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Preview: Recent Articles in Phys. Rev. C

Recent Articles in Phys. Rev. C

Recent articles in Physical Review C

Published: 2017-11-21T03:02:54+00:00


Chiral geometry in symmetry-restored states: Chiral doublet bands in ${}^{\mathbf{128}}\mathbf{Cs}$


Author(s): F. Q. Chen (陈芳祁), Q. B. Chen (陈启博), Y. A. Luo (罗延安), J. Meng (孟杰), and S. Q. Zhang (张双全)

The pairing-plus-quadrupole Hamiltonian is diagonalized in a symmetry-restored basis, i.e., the triaxial quasiparticle states with angular momentum and particle number projections, and applied for chiral doublet bands in $^{128}\mathrm{Cs}$. The observed energy spectra and electromagnetic transition...

[Phys. Rev. C 96, 051303(R)] Published Mon Nov 20, 2017

Analyzing the Fierz rearrangement freedom for local chiral two-nucleon potentials


Author(s): L. Huth, I. Tews, J. E. Lynn, and A. Schwenk

Chiral effective field theory is a framework to derive systematic nuclear interactions. It is based on the symmetries of quantum chromodynamics and includes long-range pion physics explicitly, while shorter-range physics is expanded in a general operator basis. The number of low-energy couplings at ...

[Phys. Rev. C 96, 054003] Published Mon Nov 20, 2017

Scale dependence of deuteron electrodisintegration


Author(s): S. N. More, S. K. Bogner, and R. J. Furnstahl

Background: Isolating nuclear structure properties from knock-out reactions in a process-independent manner requires a controlled factorization, which is always to some degree scale and scheme dependent. Understanding this dependence is important for robust extractions from experiment, to correctly ...

[Phys. Rev. C 96, 054004] Published Mon Nov 20, 2017

Estimates and power counting in uniform nuclear matter with softened interactions


Author(s): A. Dyhdalo, S. K. Bogner, and R. J. Furnstahl

Modern softened nucleon-nucleon interactions are well suited for perturbative many-body calculations, but a many-body power counting scheme is lacking. Estimates of diagrammatic contributions at finite density are important ingredients in such a scheme. Here we show how to make quantitative estimate...

[Phys. Rev. C 96, 054005] Published Mon Nov 20, 2017

Quantified Gamow shell model interaction for $psd$-shell nuclei


Author(s): Y. Jaganathen, R. M. Id Betan, N. Michel, W. Nazarewicz, and M. Płoszajczak

Background: The structure of weakly bound and unbound nuclei close to particle drip lines is one of the major science drivers of nuclear physics. A comprehensive understanding of these systems goes beyond the traditional configuration interaction approach formulated in the Hilbert space of localized...

[Phys. Rev. C 96, 054316] Published Mon Nov 20, 2017

Density Functional approach for multistrange hypernuclei: Competition between $\mathrm{Λ}$ and ${\mathrm{Ξ}}^{0,−}$ hyperons


Author(s): J. Margueron, E. Khan, and F. Gulminelli

The question of the competition between $\mathrm{Λ}$ and ${\mathrm{Ξ}}^{0,−}$ in the ground state of multistrange hypernuclei is addressed within a nonrelativistic density functional approach, partially constrained by ab initio calculations and experimental data. The exploration of the nuclear chart...

[Phys. Rev. C 96, 054317] Published Mon Nov 20, 2017

No evidence of reduced collectivity in Coulomb-excited Sn isotopes


Author(s): R. Kumar, M. Saxena, P. Doornenbal, A. Jhingan, A. Banerjee, R. K. Bhowmik, S. Dutt, R. Garg, C. Joshi, V. Mishra, P. J. Napiorkowski, S. Prajapati, P.-A. Söderström, N. Kumar, and H.-J. Wollersheim

In a series of Coulomb excitation experiments the first excited ${2}^{+}$ states in semimagic $^{112,116,118,120,122,124}\mathrm{Sn}$ isotopes were excited using a $^{58}\mathrm{Ni}$ beam at safe Coulomb energy. The $B(E2$; ${0}^{+}→{2}^{+})$ values were determined with high precision $(∼3%)$ relati...

[Phys. Rev. C 96, 054318] Published Mon Nov 20, 2017

Three-body continuum of $^{26}\mathrm{O}$


Author(s): A. Adahchour and P. Descouvemont

We investigate the $^{26}\mathrm{O}$ unbound nucleus in a $^{24}\mathrm{O}+n+n$ three-body model. We use the hyperspherical formalism, which relies only on $^{24}\mathrm{O}+n$ and $n+n$ interactions. As $^{26}\mathrm{O}$ is unbound, even in its ground state, the long-range behavior of the wave funct...

[Phys. Rev. C 96, 054319] Published Mon Nov 20, 2017

Semiclassical unified description of wobbling motion in even-even and even-odd nuclei


Author(s): A. A. Raduta, R. Poenaru, and L. Gr. Ixaru

A unitary description for wobbling motion in even-even and even-odd nuclei is presented. In both cases compact formulas for wobbling frequencies are derived. The accuracy of the harmonic approximation is studied for the yrast as well as for the excited bands in the even-even case. Important results ...

[Phys. Rev. C 96, 054320] Published Mon Nov 20, 2017

Improvement of one-nucleon removal and total reaction cross sections in the Liège intranuclear-cascade model using Hartree-Fock-Bogoliubov calculations


Author(s): Jose Luis Rodríguez-Sánchez, Jean-Christophe David, Davide Mancusi, Alain Boudard, Joseph Cugnon, and Sylvie Leray

The prediction of one-nucleon-removal cross sections by the Liège intranuclear-cascade model has been improved using a refined description of the matter and energy densities in the nuclear surface. Hartree-Fock-Bogoliubov calculations with the Skyrme interaction are used to obtain a more realistic d...

[Phys. Rev. C 96, 054602] Published Mon Nov 20, 2017

Probing the high-momentum component in the nucleon momentum distribution by nucleon emission from intermediate-energy nucleus-nucleus collisions


Author(s): Zhi Wang, Chang Xu, Zhongzhou Ren, and Chao Gao

The free nucleon emission from intermediate-energy nucleus-nucleus collisions is proposed as a possible probe to study the high-momentum tail (HMT) in nucleon momentum distribution of nuclei. Within the framework of the isospin-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, the effect...

[Phys. Rev. C 96, 054603] Published Mon Nov 20, 2017

$^{242}\mathrm{Pu}$ neutron-induced fission cross-section measurement from 1 to 2 MeV neutron energy


Author(s): P. Marini, L. Mathieu, M. Aïche, G. Belier, S. Czajkowski, Q. Ducasse, B. Jurado, G. Kessedjian, J. Matarranz, A. Plompen, P. Salvador-Castiñeira, J. Taieb, and I. Tsekhanovich

Relative values of the neutron-induced fission cross section $σ(n,f)$ of $^{242}\mathrm{Pu}$ have been measured with respect to the standard $^{1}\mathrm{H}(n,p)$ elastic scattering cross section, at average energies of 1.0, 1.4, and $1.9\phantom{\rule{4pt}{0ex}}\mathrm{MeV}$. The measurements are p...

[Phys. Rev. C 96, 054604] Published Mon Nov 20, 2017

Fission time scale from pre-scission neutron and $α$ multiplicities in the $^{16}\mathrm{O}$ + $^{194}\mathrm{Pt}$ reaction


Author(s): K. Kapoor, S. Verma, P. Sharma, R. Mahajan, N. Kaur, G. Kaur, B. R. Behera, K. P. Singh, A. Kumar, H. Singh, R. Dubey, N. Saneesh, A. Jhingan, P. Sugathan, G. Mohanto, B. K. Nayak, A. Saxena, H. P. Sharma, S. K. Chamoli, I. Mukul, and V. Singh

Pre- and post-scission $α$-particle multiplicities have been measured for the reaction $^{16}O+^{194}Pt$ at 98.4 MeV forming $^{210}Rn$ compound nucleus. $α$ particles were measured at various angles in coincidence with the fission fragments. Moving source technique was used to extract the pre- and ...

[Phys. Rev. C 96, 054605] Published Mon Nov 20, 2017

Nucleon form factors in dispersively improved chiral effective field theory: Scalar form factor


Author(s): J. M. Alarcón and C. Weiss

We propose a method for calculating the nucleon form factors (FFs) of $G$-parity-even operators by combining chiral effective field theory ($χ\mathrm{EFT}$) and dispersion analysis. The FFs are expressed as dispersive integrals over the two-pion cut at $t>4{M}_{π}^{2}$. The spectral functions are...

[Phys. Rev. C 96, 055206] Published Mon Nov 20, 2017

Viscosity of a net-baryon fluid near the QCD critical point


Author(s): N. G. Antoniou, F. K. Diakonos, and A. S. Kapoyannis

In the dynamics of the QCD critical point, the net-baryon fluid, linked to the slow component of the order parameter, relaxes to a three-dimensional Ising system in equilibrium. An analytical study of shear and bulk viscosity, with constraints imposed by the dynamics of the critical net-baryon fluid...

[Phys. Rev. C 96, 055207] Published Mon Nov 20, 2017

Examination of photon strength functions for $^{162,164}\mathbf{Dy}$ from radiative capture of resonance neutrons


Author(s): S. Valenta, B. Baramsai, T. A. Bredeweg, A. Couture, A. Chyzh, M. Jandel, J. Kroll, M. Krtička, G. E. Mitchell, J. M. O'Donnell, G. Rusev, J. L. Ullmann, and C. L. Walker

The $γ$ rays following radiative neutron capture on $^{161,163}\mathrm{Dy}$ targets were measured with the highly segmented $γ$-ray calorimeter Detector for Advanced Neutron Capture Experiments at the Los Alamos Neutron Science Center. The $γ$-ray energy spectra for different multiplicities were gat...

[Phys. Rev. C 96, 054315] Published Fri Nov 17, 2017

First determination of ground state electromagnetic moments of $^{53}\mathrm{Fe}$


Author(s): A. J. Miller, K. Minamisono, D. M. Rossi, R. Beerwerth, B. A. Brown, S. Fritzsche, D. Garand, A. Klose, Y. Liu, B. Maaß, P. F. Mantica, P. Müller, W. Nörtershäuser, M. R. Pearson, and C. Sumithrarachchi

The hyperfine coupling constants of neutron deficient $^{53}\mathrm{Fe}$ were deduced from the atomic hyperfine spectrum of the $3{d}^{6}4{s}^{2}{\phantom{\rule{4pt}{0ex}}}^{5}{D}_{4}\phantom{\rule{4pt}{0ex}}↔\phantom{\rule{4pt}{0ex}}3{d}^{6}4s4p{\phantom{\rule{4pt}{0ex}}}^{5}{F}_{5}$ transition, me...

[Phys. Rev. C 96, 054314] Published Thu Nov 16, 2017

Spectroscopic study of $^{20}\mathrm{Ne}+p$ reactions using the JENSA gas-jet target to constrain the astrophysical $^{18}\mathrm{F}(p,α)^{15}\mathrm{O}$ rate


Author(s): D. W. Bardayan, K. A. Chipps, S. Ahn, J. C. Blackmon, S. Carmichael, U. Greife, K. L. Jones, J. José, A. Kontos, R. L. Kozub, L. Linhardt, B. Manning, M. Matoš, P. D. O'Malley, S. Ota, S. D. Pain, W. A. Peters, S. T. Pittman, A. Sachs, K. T. Schmitt, M. S. Smith, and P. Thompson

The Jet Experiments in Nuclear Structure and Astrophysics (JENSA) gas-jet target was used to perform spectroscopic studies of $^{20}\mathrm{Ne}+p$ reactions. Levels in $^{19}\mathrm{Ne}$ were probed via the $^{20}\mathrm{Ne}(p,d)^{19}\mathrm{Ne}$ reaction to constrain the astrophysical rate of the $...

[Phys. Rev. C 96, 055806] Published Thu Nov 16, 2017

Introduction of the one-body correlation operator in the unitary-model-operator approach


Author(s): Takayuki Miyagi, Takashi Abe, Ryoji Okamoto, and Takaharu Otsuka

In the earlier unitary-model-operator approach (UMOA), one-body correlations have been taken into account approximately by the diagonalization of unitary-transformed Hamiltonians in the $0\text{p}0\text{h}$ and $1\text{p}1\text{h}$ space. With this prescription, the dependence of the harmonic-oscill...

[Phys. Rev. C 96, 054312] Published Wed Nov 15, 2017

Large-scale shell-model study for excitations across the neutron $N=82$ shell gap in $^{131–133}\mathrm{Sb}$


Author(s): Han-Kui Wang, S. K. Ghorui, Kazunari Kaneko, Yang Sun, and Z. H. Li

The cross-shell excitations in the mass-130 region are determined by the behavior of the single-particle (or single-hole) states around the doubly magic nucleus $^{132}\mathrm{Sn}$ and the size of the energy gaps at $N=82$ and/or $Z=50$. The present work reports on the results from large-scale shell...

[Phys. Rev. C 96, 054313] Published Wed Nov 15, 2017

Freezeout systematics due to the hadron spectrum


Author(s): Sandeep Chatterjee, Debadeepti Mishra, Bedangadas Mohanty, and Subhasis Samanta

We investigate systematics of the freezeout surface in heavy ion collisions due to the hadron spectrum. The role of suspected resonance states that are yet to be confirmed experimentally in identifying the freezeout surface has been investigated. We have studied two different freezeout schemes: a un...

[Phys. Rev. C 96, 054907] Published Wed Nov 15, 2017

Finite-size effects on the phase structure of the Walecka model


Author(s): L. M. Abreu and E. S. Nery

In this work we investigate the finite-size effects on the phase structure of the Walecka model within the framework of a generalized $ζ$-function, focusing on the influence of temperature as well as the number and length of compactified spatial dimensions. Here we concentrate on the situation of la...

[Phys. Rev. C 96, 055204] Published Wed Nov 15, 2017

Elastic and inelastic pion-nucleon scattering to fourth order in chiral perturbation theory


Author(s): D. Siemens, V. Bernard, E. Epelbaum, A. M. Gasparyan, H. Krebs, and Ulf-G. Meißner

We extend our previous study of elastic pion-nucleon scattering in the framework of chiral perturbation theory by performing a combined analysis of the reactions $πN→πN$ and $πN→ππN$. The calculation is carried out to fourth order in the chiral expansion using the heavy-baryon approach and the covar...

[Phys. Rev. C 96, 055205] Published Wed Nov 15, 2017

Bismuth activation with quasi-Maxwellian neutrons at $kT∼30\phantom{\rule{0.16em}{0ex}}\mathrm{keV}$


Author(s): A. Shor, M. Tessler, A. Plompen, A. Arenshtam, O. Aviv, D. Berkovits, M. Brandis, Y. Eisen, I. Eliyahu, G. Feinberg, M. Friedman, S. Halfon, M. Hult, B. Kaizer, D. Kijel, A. Krása, A. Kreisel, T. Palchan, M. Paul, A. Perry, I. Silverman, S. Vaintraub, and L. Weissman

Bismuth capture of neutrons is the termination point of the $s$-process cycle of nucleosynthesis in stellar environments. A new measurement is reported here for neutron activation of bismuth with an intense quasi-Maxwellian neutron source at $kT∼30\phantom{\rule{0.16em}{0ex}}\mathrm{keV}$. The measu...

[Phys. Rev. C 96, 055805] Published Wed Nov 15, 2017

Erratum: Neutron-unbound excited states of ${}^{\mathbf{23}}\mathbf{N}$ [Phys. Rev. C 95, 044323 (2017)]


Author(s): M. D. Jones, T. Baumann, J. Brett, J. Bullaro, P. A. DeYoung, J. E. Finck, N. Frank, K. Hammerton, J. Hinnefeld, Z. Kohley, A. N. Kuchera, J. Pereira, A. Rabeh, J. K. Smith, A. Spyrou, S. L. Stephenson, K. Stiefel, M. Tuttle-Timm, R. G. T. Zegers, and M. Thoennessen
[Phys. Rev. C 96, 059902] Published Wed Nov 15, 2017

Weinberg eigenvalues for chiral nucleon-nucleon interactions


Author(s): J. Hoppe, C. Drischler, R. J. Furnstahl, K. Hebeler, and A. Schwenk

We perform a comprehensive Weinberg eigenvalue analysis of a representative set of modern nucleon-nucleon interactions derived within chiral effective field theory. Our set contains local, semilocal, and nonlocal potentials, developed by Gezerlis et al. [Phys. Rev. Lett. 111, 032501 (2013)], Epelbau...

[Phys. Rev. C 96, 054002] Published Tue Nov 14, 2017

Nuclear matter fourth-order symmetry energy in nonrelativistic mean-field models


Author(s): Jie Pu, Zhen Zhang, and Lie-Wen Chen

Background: Nuclear matter fourth-order symmetry energy ${E}_{\text{sym,4}}(ρ)$ may significantly influence the properties of neutron stars such as the core-crust transition density and pressure as well as the proton fraction at high densities. The magnitude of ${E}_{\text{sym,4}}(ρ)$ is, however, l...

[Phys. Rev. C 96, 054311] Published Tue Nov 14, 2017

Charged-particle multiplicity and transverse-energy distribution using the Weibull-Glauber approach in heavy-ion collisions


Author(s): Nirbhay K. Behera, Sadhana Dash, Bharati Naik, Basanta K. Nandi, and Tanmay Pani

The charged-particle multiplicity distribution and the transverse-energy distribution measured in heavy-ion collisions at top RHIC and LHC energies are described using the two-component model approach based on a convolution of the Monte Carlo Glauber model with the Weibull model for particle product...

[Phys. Rev. C 96, 054906] Published Tue Nov 14, 2017

Microscopic core-quasiparticle coupling model for spectroscopy of odd-mass nuclei


Author(s): S. Quan, W. P. Liu, Z. P. Li, and M. S. Smith

Background: Predictions of the spectroscopic properties of low-lying states are critical for nuclear structure studies but are problematic for nuclei with an odd nucleon due to the interplay of the unpaired single particle with nuclear collective degrees of freedom.

[Phys. Rev. C 96, 054309] Published Mon Nov 13, 2017

Neutrinoless double-$β$ decay matrix elements in large shell-model spaces with the generator-coordinate method


Author(s): C. F. Jiao, J. Engel, and J. D. Holt

We use the generator-coordinate method (GCM) with realistic shell-model interactions to closely approximate full shell-model calculations of the matrix elements for the neutrinoless double-$β$ decay of $^{48}\mathrm{Ca}$, $^{76}\mathrm{Ge}$, and $^{82}\mathrm{Se}$. We work in one major shell for the...

[Phys. Rev. C 96, 054310] Published Mon Nov 13, 2017

Partial correlation analysis method in ultrarelativistic heavy-ion collisions


Author(s): Adam Olszewski and Wojciech Broniowski

We argue that statistical data analysis of two-particle longitudinal correlations in ultrarelativistic heavy-ion collisions may be efficiently carried out with the technique of partial covariance. In this method, the spurious event-by-event fluctuations due to imprecise centrality determination are ...

[Phys. Rev. C 96, 054903] Published Mon Nov 13, 2017

Coherent diffractive photoproduction of ${ρ}^{0}$ mesons on gold nuclei at 200 GeV/nucleon-pair at the Relativistic Heavy Ion Collider


Author(s): L. Adamczyk et al. (STAR Collaboration)

The STAR Collaboration reports on the photoproduction of ${π}^{+}{π}^{−}$ pairs in gold-gold collisions at a center-of-mass energy of 200 GeV/nucleon-pair. These pion pairs are produced when a nearly real photon emitted by one ion scatters from the other ion.

[Phys. Rev. C 96, 054904] Published Mon Nov 13, 2017

Rapidity dependence of proton cumulants and correlation functions


Author(s): Adam Bzdak and Volker Koch

The dependence of multiproton correlation functions and cumulants on the acceptance in rapidity and transverse momentum is studied. We find that the preliminary data of various cumulant ratios are consistent, within errors, with rapidity and transverse momentum-independent correlation functions. How...

[Phys. Rev. C 96, 054905] Published Mon Nov 13, 2017

Comparative roles of $pp$ chain reactions as a trigger for suprathermal processes in the solar core


Author(s): Victor T. Voronchev, Yasuyuki Nakao, and Yukinobu Watanabe

Continuing the study of suprathermal effects in the solar core [Phys. Rev. C 91, 028801 (2015); J. Phys. G 44, 045202 (2017)], we examine the roles of different $pp$ chain processes generating fast $α$ particles as trigger for suprathermal $\mathrm{B}(α,p)\mathrm{A}$ reactions neglected in standard ...

[Phys. Rev. C 96, 055803] Published Mon Nov 13, 2017

Neutrino scattering in supernovae and the universal spin correlations of a unitary gas


Author(s): Zidu Lin and C. J. Horowitz

Core collapse supernova simulations can be sensitive to neutrino interactions near the neutrinosphere. This is the surface of last scattering. We model the neutrinosphere region as a warm unitary gas of neutrons. A unitary gas is a low density system of particles with large scattering lengths. We ca...

[Phys. Rev. C 96, 055804] Published Mon Nov 13, 2017

Shape transition with temperature of the pear-shaped nuclei in covariant density functional theory


Author(s): W. Zhang (张炜) and Y. F. Niu (牛一斐)

The shape evolutions of the pear-shaped nuclei $^{224}\mathrm{Ra}$ and even-even $^{144–154}\mathrm{Ba}$ with temperature are investigated by the finite-temperature relativistic mean field theory with the treatment of pairing correlations by the BCS approach. The free energy surfaces as well as the ...

[Phys. Rev. C 96, 054308] Published Fri Nov 10, 2017

Publisher's Note: First direct constraints on Fierz interference in free-neutron $β$ decay [Phys. Rev. C 96, 042501(R) (2017)]


Author(s): K. P. Hickerson et al. (UCNA Collaboration)

[Phys. Rev. C 96, 059901] Published Fri Nov 10, 2017

Charge-exchange dipole excitations in neutron-rich nuclei: $−1ℏ{ω}_{0}$, anti-analog pygmy and anti-analog giant resonances


Author(s): Kenichi Yoshida

The occurrence of low-lying charge-exchange non-spin-flip dipole modes below the giant resonance in neutron-rich nuclei is predicted on the basis of nuclear density functional theory. The ground and excited states are described within the framework of the self-consistent Hartree–Fock–Bogoliubov theo...

[Phys. Rev. C 96, 051302(R)] Published Thu Nov 09, 2017

Spontaneous fission and competing ground state decay modes of actinide and transactinide nuclei


Author(s): Kanishka Sharma, Gudveen Sawhney, and Manoj K. Sharma

Based on the preformed cluster model, we have carried out a comprehensive theoretical study on the decay paths of ground state actinide and transactinide nuclei, specifically from $^{232}\mathrm{U}$ to $^{264}\mathrm{Hs}$ exhibiting the phenomenon of spontaneous fission (SF). This is an extension of...

[Phys. Rev. C 96, 054307] Published Thu Nov 09, 2017

Effective proton-neutron interaction near the drip line from unbound states in $^{25,26}\mathrm{F}$


Author(s): M. Vandebrouck et al. (R3B collaboration)

Background: Odd-odd nuclei, around doubly closed shells, have been extensively used to study proton-neutron interactions. However, the evolution of these interactions as a function of the binding energy, ultimately when nuclei become unbound, is poorly known. The $^{26}\mathrm{F}$ nucleus, composed ...

[Phys. Rev. C 96, 054305] Published Wed Nov 08, 2017

Temperature effects on nuclear pseudospin symmetry in the Dirac-Hartree-Bogoliubov formalism


Author(s): R. Lisboa, P. Alberto, B. V. Carlson, and M. Malheiro

We present finite-temperature Dirac-Hartree-Bogoliubov (FTDHB) calculations for the tin isotope chain to study the dependence of pseudospin on the nuclear temperature. In the FTDHB calculation, the density dependence of the self-consistent relativistic mean fields, the pairing, and the vapor phase t...

[Phys. Rev. C 96, 054306] Published Wed Nov 08, 2017

Re-examining the $^{26}\mathrm{Mg}(α,{α}^{′})^{26}\mathrm{Mg}$ reaction: Probing astrophysically important states in $^{26}\mathrm{Mg}$


Author(s): P. Adsley, J. W. Brümmer, K. C. W. Li, D. J. Marín-Lámbarri, N. Y. Kheswa, L. M. Donaldson, R. Neveling, P. Papka, L. Pellegri, V. Pesudo, L. C. Pool, F. D. Smit, and J. J. van Zyl

Background: The $^{22}\mathrm{Ne}$($α,n$)$^{25}\mathrm{Mg}$ reaction is one of the neutron sources for the $s$ process in massive stars. The properties of levels in $^{26}\mathrm{Mg}$ above the $α$-particle threshold control the strengths of the $^{22}\mathrm{Ne}$($α,n$)$^{25}\mathrm{Mg}$ and $^{22}...

[Phys. Rev. C 96, 055802] Published Wed Nov 08, 2017

Pure spin-3/2 propagator for use in particle and nuclear physics


Author(s): J. Kristiano, S. Clymton, and T. Mart

We propose the use of a pure spin-3/2 propagator in the $(3/2,0)⊕(0,3/2)$ representation in particle and nuclear physics. To formulate the propagator in a covariant form we use the antisymmetric tensor spinor representation and we consider the $\mathrm{Δ}$ resonance contribution to the elastic $πN$ ...

[Phys. Rev. C 96, 052201(R)] Published Tue Nov 07, 2017

Single-${\mathrm{Ξ}}^{−}$ hypernuclei within a quark mean-field model


Author(s): Jinniu Hu and Hong Shen

The single-${\mathrm{Ξ}}^{−}$ hypernuclei are studied using a quark mean-field model. At the quark level, the ${\mathrm{Ξ}}^{−}$ hyperon is composed of one $d$ quark and two $s$ quarks, which are confined by the harmonic oscillator potentials. In the case of hadrons, the baryons interact with each o...

[Phys. Rev. C 96, 054304] Published Tue Nov 07, 2017

High-precision ${Q}_{\mathrm{EC}}$-value measurement of the superallowed ${β}^{+}$ emitter $^{22}\mathrm{Mg}$ and an ab initio evaluation of the $A=22$ isobaric triplet


Author(s): M. P. Reiter, K. G. Leach, O. M. Drozdowski, S. R. Stroberg, J. D. Holt, C. Andreoiu, C. Babcock, B. Barquest, M. Brodeur, A. Finlay, M. Foster, A. T. Gallant, G. Gwinner, R. Klawitter, B. Kootte, A. A. Kwiatkowski, Y. Lan, D. Lascar, E. Leistenschneider, A. Lennarz, S. Paul, R. Steinbrügge, R. I. Thompson, M. Wieser, and J. Dilling

A direct ${Q}_{\mathrm{EC}}$-value measurement of the superallowed ${β}^{+}$ emitter $^{22}\mathrm{Mg}$ was performed using TRIUMF's Ion Trap for Atomic and Nuclear Science. The direct ground-state to ground-state atomic mass difference between $^{22}\mathrm{Mg}$ and $^{22}\mathrm{Na}$ was determine...

[Phys. Rev. C 96, 052501(R)] Published Mon Nov 06, 2017

The $γp→pηη$ reaction in an effective Lagrangian model


Author(s): Bo-Chao Liu and Shao-Fei Chen

In this paper, we investigate the $γp→pηη$ reaction within an effective Lagrangian approach and isobar model. We consider the contributions from the intermediate ${N}^{*}(1535)$, ${N}^{*}(1650)$, ${N}^{*}(1710)$, and ${N}^{*}(1720)$ isobars which finally decay to the $Nη$ state. It is found that the...

[Phys. Rev. C 96, 054001] Published Mon Nov 06, 2017

Spectroscopy of reflection-asymmetric nuclei with relativistic energy density functionals


Author(s): S. Y. Xia, H. Tao, Y. Lu, Z. P. Li, T. Nikšić, and D. Vretenar

Quadrupole and octupole deformation energy surfaces, low-energy excitation spectra, and transition rates in 14 isotopic chains: Xe, Ba, Ce, Nd, Sm, Gd, Rn, Ra, Th, U, Pu, Cm, Cf, and Fm, are systematically analyzed using a theoretical framework based on a quadrupole-octupole collective Hamiltonian (...

[Phys. Rev. C 96, 054303] Published Mon Nov 06, 2017

Polarization transfer observables in elastic electron-proton scattering at ${Q}^{2}=2.5$, 5.2, 6.8, and $8.5 {\mathrm{GeV}}^{2}$


Author(s): A. J. R. Puckett et al.

Background: Interest in the behavior of nucleon electromagnetic form factors at large momentum transfers has steadily increased since the discovery, using polarization observables, of the rapid decrease of the ratio ${G}_{E}^{p}/{G}_{M}^{p}$ of the proton's electric and magnetic form factors for mom...

[Phys. Rev. C 96, 055203] Published Mon Nov 06, 2017

New determination of proton spectroscopic factors and reduced widths for $^{8}\mathrm{Be}$ states in the 16.5–18.0 MeV excitation energy region via the study of the $^{7}\mathrm{Li}(^{3}\mathrm{He},d)^{8}\mathrm{Be}$ transfer reaction at ${E}_{\mathrm{lab}}=20$ MeV: Implication for the $^{7}\mathrm{Li}(p,α)^{4}\mathrm{He}$ hydrogen burning reaction


Author(s): A. Belhout, S. Ouichaoui, H. Beaumevieille, A. Bouchemha, G. Bogaert, S. Fortier, J. Kiener, A. Lefebvre-Schuhl, J. M. Maison, L. Rosier, J. Rotbard, V. Tatischeff, J. P. Thibaud, and J. Vernotte

The angular distributions of $^{8}\mathrm{Be}$ states in the excitation energy region ${E}_{x}∼(16.5\text{–}18.2)$ MeV produced in the $^{7}\mathrm{Li}(^{3}\mathrm{He},d)^{8}\mathrm{Be}$ proton transfer reaction have been measured at the Orsay $14.8−\mathrm{MV}$ tandem accelerator for $^{3}\mathrm{H...

[Phys. Rev. C 96, 054601] Published Fri Nov 03, 2017

Color screening and regeneration of bottomonia in high-energy heavy-ion collisions


Author(s): X. Du, M. He, and R. Rapp

The production of ground-state and excited bottomonia in ultrarelativistic heavy-ion collisions is investigated within a kinetic-rate equation approach including regeneration. We augment our previous calculations by an improved treatment of medium effects, with temperature-dependent binding energies...

[Phys. Rev. C 96, 054901] Published Fri Nov 03, 2017

Identity method reexamined


Author(s): Claude A. Pruneau

This paper discusses the impact of finite particle losses associated with instrumental effects in measurements of moments of produced multiplicities with the identity method towards the evaluation of fluctuation measures such as ${ν}_{\mathrm{dyn}}$. One finds that the identity method remains applic...

[Phys. Rev. C 96, 054902] Published Fri Nov 03, 2017

Neutron helicity amplitudes


Author(s): A. V. Anisovich, V. Burkert, N. Compton, K. Hicks, F. J. Klein, E. Klempt, V. A. Nikonov, A. M. Sandorfi, A. V. Sarantsev, and U. Thoma

The helicity amplitudes for the photoproduction of nucleon resonances excited from neutrons are determined in the Bonn-Gatchina coupled-channel partial wave analysis. Upper limits for the decay fraction of the pentaquark candidate $N(1685)→{K}^{0}\mathrm{Λ}$ are given. The electric and magnetic coup...

[Phys. Rev. C 96, 055202] Published Fri Nov 03, 2017

Spectroscopic factors in the $N=20$ island of inversion: The Nilsson strong-coupling limit


Author(s): A. O. Macchiavelli, H. L. Crawford, C. M. Campbell, R. M. Clark, M. Cromaz, P. Fallon, M. D. Jones, I. Y. Lee, A. L. Richard, and M. Salathe

Spectroscopic factors, extracted from one-neutron knockout and Coulomb dissociation reactions, for transitions from the ground state of $^{33}\mathrm{Mg}$ to the ground-state rotational band in $^{32}\mathrm{Mg}$, and from $^{32}\mathrm{Mg}$ to low-lying negative-parity states in $^{31}\mathrm{Mg}$,...

[Phys. Rev. C 96, 054302] Published Thu Nov 02, 2017

Meson exchange in lepton-nucleon scattering and the proton radius puzzle


Author(s): Dmitry Borisyuk

I study two-photon contribution to the elastic lepton-proton scattering, associated with $σ$ meson exchange, with special attention paid to the low-${Q}^{2}$ region. It is shown that the corresponding amplitude grows sharply but remains finite at ${Q}^{2}→0$. The analytical formula for the amplitude...

[Phys. Rev. C 96, 055201] Published Thu Nov 02, 2017

Projection after variation in the finite-temperature Hartree-Fock-Bogoliubov approximation


Author(s): P. Fanto

The finite-temperature Hartree-Fock-Bogoliubov (HFB) approximation often breaks symmetries of the underlying many-body Hamiltonian. Restricting the calculation of the HFB partition function to a subspace with good quantum numbers through projection after variation restores some of the correlations l...

[Phys. Rev. C 96, 051301(R)] Published Wed Nov 01, 2017

Perturbation theory of nuclear matter with a microscopic effective interaction


Author(s): Omar Benhar and Alessandro Lovato

An updated and improved version of the effective interaction based on the Argonne-Urbana nuclear Hamiltonian, derived using the formalism of correlated basis functions and the cluster expansion technique, is employed to obtain a number of properties of cold nuclear matter at arbitrary neutron excess...

[Phys. Rev. C 96, 054301] Published Wed Nov 01, 2017

Deuteron-deuteron fusion in laser-driven counter-streaming collisionless plasmas


Author(s): Xiaopeng Zhang, Jiarui Zhao, Dawei Yuan, Changbo Fu, Jie Bao, Liming Chen, Jianjun He, Long Hou, Liang Li, Yanfei Li, Yutong Li, Guoqian Liao, Yongjoo Rhee, Yang Sun, Shiwei Xu, Gang Zhao, Baojun Zhu, Jianqiang Zhu, Zhe Zhang, and Jie Zhang

Nuclear fusion reactions are the most important processes in nature to power stars and produce new elements, and lie at the center of the understanding of nucleosynthesis in the universe. It is critically important to study the reactions in full plasma environments that are close to true astrophysic...

[Phys. Rev. C 96, 055801] Published Wed Nov 01, 2017

Multipole modes of excitation in triaxially deformed superfluid nuclei


Author(s): Kouhei Washiyama and Takashi Nakatsukasa

Background: The five-dimensional quadrupole collective model based on energy density functionals (EDFs) has often been employed to treat long-range correlations associated with shape fluctuations in nuclei. Our goal is to derive the collective inertial functions in the collective Hamiltonian by the ...

[Phys. Rev. C 96, 041304(R)] Published Mon Oct 30, 2017

Enhanced nucleon transfer in tip collisions of $^{238}\mathrm{U}+^{124}\mathrm{Sn}$


Author(s): Kazuyuki Sekizawa

Multinucleon transfer processes in low-energy heavy ion reactions have attracted increasing interest in recent years aiming at the production of new neutron-rich isotopes. Clearly, it is an imperative task to further develop understanding of underlying reaction mechanisms to lead experiments to succ...

[Phys. Rev. C 96, 041601(R)] Published Mon Oct 30, 2017

First direct constraints on Fierz interference in free-neutron $β$ decay


Author(s): K. P. Hickerson et al. (UCNA Collaboration)

Precision measurements of free-neutron $β$ decay have been used to precisely constrain our understanding of the weak interaction. However, the neutron Fierz interference term ${b}_{n}$, which is particularly sensitive to beyond-standard-model tensor currents at the TeV scale, has thus far eluded mea...

[Phys. Rev. C 96, 042501(R)] Published Mon Oct 30, 2017

Shape coexistence in the odd-odd nucleus $^{98}\mathrm{Y}$: The role of the ${g}_{9/2}$ neutron extruder


Author(s): W. Urban et al.

Excited states in $^{98}\mathrm{Y}$, populated in neutron-induced fission of $^{235}\mathrm{U}$ and in spontaneous fission of $^{248}\mathrm{Cm}$ and $^{252}\mathrm{Cf}$, have been studied by means of $γ$ spectroscopy using the Lohengrin fission-fragment separator at ILL Grenoble and the EXILL, Euro...

[Phys. Rev. C 96, 044333] Published Mon Oct 30, 2017

Incomplete fusion analysis of the $^{7}\mathrm{Li}$-induced reaction on $^{93}\mathrm{Nb}$ within 3–6.5 MeV/nucleon


Author(s): Deepak Kumar and Moumita Maiti

Background: It is understood from the recent experimental studies that prompt/resonant breakup, and transfer followed by breakup in the weakly bound $^{6,7}\mathrm{Li}$-induced reactions play a significant role in the complete-incomplete fusion (CF-ICF), suppression/enhancement in the fusion cross s...

[Phys. Rev. C 96, 044624] Published Mon Oct 30, 2017

High-precision half-life measurement for the superallowed Fermi ${β}^{+}$ emitter $^{22}\mathrm{Mg}$


Author(s): M. R. Dunlop et al.

A high-precision half-life measurement for the superallowed Fermi ${β}^{+}$ emitter $^{22}\mathrm{Mg}$ was performed at the TRIUMF-ISAC facility using a $4π$ proportional gas counter. The result of ${T}_{1/2}=3.87400±0.00079$ s is a factor of 3 more precise than the previously adopted world average ...

[Phys. Rev. C 96, 045502] Published Mon Oct 30, 2017

Spectroscopy of the long-lived excited state in the neutron-deficient nuclides $^{195,197,199}\mathrm{Po}$ by precision mass measurements


Author(s): N. A. Althubiti et al. (ISOLTRAP Collaboration)

Direct mass measurements of the low-spin $3/{2}^{−}$ and high-spin $13/{2}^{+}$ states in the neutron-deficient isotopes $^{195}\mathrm{Po}$ and $^{197}\mathrm{Po}$ were performed with the Penning-trap mass spectrometer ISOLTRAP at ISOLDE-CERN. These measurements allow the determination of the excit...

[Phys. Rev. C 96, 044325] Published Fri Oct 27, 2017

Constraints on both the symmetry energy ${E}_{2}({ρ}_{0})$ and its density slope ${L}_{2}({ρ}_{0})$ by cluster radioactivity


Author(s): Niu Wan, Chang Xu, Zhongzhou Ren, and Jie Liu

Within the density-dependent cluster model (DDCM), the decay half-lives of 22 cluster emitters are calculated by using experimental decay energies. Based on our previous study on cluster radioactivity [Phys. Rev. C 90, 064310 (2014)], not only the quadratic symmetry energy ${E}_{2}({ρ}_{0})$ and its...

[Phys. Rev. C 96, 044331] Published Fri Oct 27, 2017

Quadrupole collectivity beyond $N=50$ in neutron-rich Se and Kr isotopes


Author(s): B. Elman, A. Gade, D. Weisshaar, D. Barofsky, D. Bazin, P. C. Bender, M. Bowry, M. Hjorth-Jensen, K. W. Kemper, S. Lipschutz, E. Lunderberg, N. Sachmpazidi, N. Terpstra, W. B. Walters, A. Westerberg, S. J. Williams, and K. Wimmer

We report $B(E2;{0}_{1}^{+}→{2}_{n}^{+})$ strengths for the neutron-rich $^{88,90}\mathrm{Kr}$ and $^{86}\mathrm{Se}$ isotopes from intermediate-energy Coulomb excitation. The electric quadrupole transition strengths to the first ${2}^{+}$ states complete, with considerably improved uncertainties, t...

[Phys. Rev. C 96, 044332] Published Fri Oct 27, 2017

Measurement of $^{17}\mathrm{F}$($d,n$)$^{18}\mathrm{Ne}$ and the impact on the $^{17}\mathrm{F}$($p,γ$)$^{18}\mathrm{Ne}$ reaction rate for astrophysics


Author(s): S. A. Kuvin, J. Belarge, L. T. Baby, J. Baker, I. Wiedenhöver, P. Höflich, A. Volya, J. C. Blackmon, C. M. Deibel, H. E. Gardiner, J. Lai, L. E. Linhardt, K. T. Macon, B. C. Rasco, N. Quails, K. Colbert, D. L. Gay, and N. Keeley

Background: The $^{17}\mathrm{F}(p,γ)^{18}\mathrm{Ne}$ reaction is part of the astrophysical “hot CNO” cycles that are important in astrophysical environments like novas. Its thermal reaction rate is low owing to the relatively high energy of the resonances and therefore is dominated by direct, nonr...

[Phys. Rev. C 96, 045812] Published Fri Oct 27, 2017

Low-energy $η$-nucleon interaction studied with $η$ photoproduction off the deuteron


Author(s): S. X. Nakamura, H. Kamano, and T. Ishikawa

We develop a reaction model for $η$ photoproduction off the deuteron ($γd→ηpn$) and study the reaction at a special kinematics, where the photon beam energy is $∼0.94$ GeV and the scattered proton is detected at $∼{0}^{∘}$, for the purpose of determining the $η$-nucleon scattering length (${a}_{ηN}$...

[Phys. Rev. C 96, 042201(R)] Published Thu Oct 26, 2017

Dependence of two-proton radioactivity on nuclear pairing models


Author(s): Tomohiro Oishi, Markus Kortelainen, and Alessandro Pastore

Sensitivity of two-proton emitting decay to nuclear pairing correlation is discussed within a time-dependent three-body model. We focus on the $^{6}\mathrm{Be}$ nucleus assuming $α+p+p$ configuration, and its decay process is described as a time evolution of the three-body resonance state. For a pro...

[Phys. Rev. C 96, 044327] Published Thu Oct 26, 2017

Structure of the neutron mid-shell nuclei $^{111,113}\mathrm{Ag}_{64,66}$


Author(s): S. Lalkovski, E. A. Stefanova, S. Kisyov, A. Korichi, D. Bazzacco, M. Bergström, A. Görgen, B. Herskind, H. Hübel, A. Jansen, T. L. Khoo, T. Kutsarova, A. Lopez-Martens, A. Minkova, Zs. Podolyák, G. Schönwasser, and O. Yordanov

$^{111}\mathrm{Ag}$ and $^{113}\mathrm{Ag}$ were produced in induced fission reaction, where yrast and near-yrast states were populated. To interpret the new data the Interacting Boson-Fermion Model was used. A good agreement with the experimental data is achieved, suggesting that the two Ag nuclei ...

[Phys. Rev. C 96, 044328] Published Thu Oct 26, 2017

Spectroscopy of $^{50}\mathrm{Sc}$ and ab initio calculations of $B(M3)$ strengths


Author(s): A. B. Garnsworthy, M. Bowry, B. Olaizola, J. D. Holt, S. R. Stroberg, S. Cruz, S. Georges, G. Hackman, A. D. MacLean, J. Measures, H. P. Patel, C. J. Pearson, and C. E. Svensson

The GRIFFIN spectrometer at TRIUMF-ISAC has been used to study excited states and transitions in $^{50}\mathrm{Sc}$ following the $β$ decay of $^{50}\mathrm{Ca}$. Branching ratios were determined from the measured $γ$-ray intensities, and angular correlations of $γ$ rays have been used to firmly ass...

[Phys. Rev. C 96, 044329] Published Thu Oct 26, 2017

Solution of Hartree-Fock-Bogoliubov equations and fitting procedure using the N2LO Skyrme pseudopotential in spherical symmetry


Author(s): P. Becker, D. Davesne, J. Meyer, J. Navarro, and A. Pastore

We present the development of the extended Skyrme N2LO pseudopotential in the case of spherical even-even nuclei calculations. The energy density functional is first presented. Then we derive the mean-field equations and discuss the numerical method used to solve the resulting fourth-order different...

[Phys. Rev. C 96, 044330] Published Thu Oct 26, 2017

Dynamical deformation in heavy ion reactions and the characteristics of quasifission products


Author(s): S. Q. Guo, Y. Gao, J. Q. Li, and H. F. Zhang

The investigation of the characteristics of low-energy heavy ion reactions covering both fusion and quasifission is carried out within the dinuclear system (DNS) concept, which is developed to include the deformation variables of fragments in addition to the mass numbers of the fragments, so that th...

[Phys. Rev. C 96, 044622] Published Thu Oct 26, 2017

Accurate $^{238}\mathrm{U}$($n, 2n$)$^{237}\mathrm{U}$ reaction cross-section measurements from 6.5 to 14.8 MeV


Author(s): Krishichayan, M. Bhike, W. Tornow, A. P. Tonchev, and T. Kawano

The cross section for the $^{238}\mathrm{U}(n,2n)^{237}\mathrm{U}$ reaction has been measured in the incident neutron energy range from 6.5 to 14.8 MeV in small energy steps using an activation technique. Monoenergetic neutron beams were produced via the $^{2}\mathrm{H}(d,n)^{3}\mathrm{He}$ and $^{3...

[Phys. Rev. C 96, 044623] Published Thu Oct 26, 2017

Intercomparison of lepton-nucleus scattering models in the quasielastic region


Author(s): Joanna E. Sobczyk

I present a discussion of the models of nuclear effects used to describe the inclusive electron-nucleus scattering in the quasielastic (QE) peak region, aiming to compare them and to draw conclusions about their reliability when applied in neutrino-nucleus interactions. A basic motivation is to redu...

[Phys. Rev. C 96, 045501] Published Thu Oct 26, 2017

Erratum: Effects of three-body forces on the maximum mass of neutron stars in the lowest-order constrained variational formalism [Phys. Rev. C 91, 054320 (2015)]


Author(s): S. Goudarzi and H. R. Moshfegh

[Phys. Rev. C 96, 049902] Published Thu Oct 26, 2017

Contact formalism for coupled channels


Author(s): Ronen Weiss and Nir Barnea

Contact formalism, a useful tool for analyzing short-range correlations, is generalized here for systems with coupled channels, such as in nuclear physics. The relevant asymptotic form is presented and contact matrices are defined. Generally, for the case of two coupled channels, two two-body functi...

[Phys. Rev. C 96, 041303(R)] Published Wed Oct 25, 2017

Optical potentials derived from nucleon-nucleon chiral potentials at ${\mathrm{N}}^{4}\mathrm{LO}$


Author(s): Matteo Vorabbi, Paolo Finelli, and Carlotta Giusti

Background: Elastic scattering is probably the main event in the interactions of nucleons with nuclei. Even if this process has been extensively studied in the past years, a consistent description, i.e., starting from microscopic two- and many-body forces connected by the same symmetries and princip...

[Phys. Rev. C 96, 044001] Published Wed Oct 25, 2017

Structure of $^{98}\mathrm{Ru}$ in the IBA-2 interacting boson model


Author(s): A. Giannatiempo

The $^{98}\mathrm{Ru}$ structure has been investigated in the framework of the IBA-2 model, extending previous works to exploit the whole set of new spectroscopic data. The occurrence of states of mixed symmetry character in the proton and neutron degrees of freedom is of prominent importance in enl...

[Phys. Rev. C 96, 044326] Published Wed Oct 25, 2017

Constraints on rapidity-dependent initial conditions from charged-particle pseudorapidity densities and two-particle correlations


Author(s): Weiyao Ke, J. Scott Moreland, Jonah E. Bernhard, and Steffen A. Bass

We study the initial three-dimensional spatial configuration of the quark-gluon plasma (QGP) produced in relativistic heavy-ion collisions using centrality and pseudorapidity-dependent measurements of the medium's charged particle density and two-particle correlations. A cumulant-generating function...

[Phys. Rev. C 96, 044912] Published Wed Oct 25, 2017

Simultaneous production of lepton pairs in ultraperipheral relativistic heavy ion collisions


Author(s): E. Kurban and M. C. Güçlü

We calculate the total cross sections and probabilities of electromagnetic productions of electron, muon, and tauon pairs simultaneously. At the CERN Large Hadron Collider (LHC), the available electromagnetic energy is sufficient to produce all kinds of leptons coherently. The masses of muons and ta...

[Phys. Rev. C 96, 044913] Published Wed Oct 25, 2017

Temperature-independent shear viscosity in a multiphase transport model for relativistic heavy ion collisions


Author(s): Yao Zhang, Jingbo Zhang, Tong Chen, Desheng Liu, and Yun Chao

Using a multiphase transport (AMPT) model, we study the dependence on the specific shear viscosity of the transverse momentum spectra, Hanbury Brown–Twiss parameters, and elliptic flow with a temperature-independent shear viscous approach. The shear viscosity strengthens the transverse pressure grad...

[Phys. Rev. C 96, 044914] Published Wed Oct 25, 2017

Nuclear-state engineering in tripod systems using x-ray laser pulses


Author(s): B. Nedaee-Shakarab, M. Saadati-Niari, and F. Zolfagharpour

Coherent superposition of nuclear states in tripod systems using three x-ray laser pulses is investigated theoretically. The laser pulses transfer the population from one ground state to an arbitrary superposition of other ground states using coincident pulses and stimulated Raman adiabatic passage ...

[Phys. Rev. C 96, 044619] Published Tue Oct 24, 2017

Cross section measurement for the $^{10}\mathrm{B}(n,t2α)$ three-body reaction at 4.0, 4.5, and 5.0 MeV. I. Prediction of the experimental spectrum


Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu

Cross sections of the $^{10}\mathrm{B}(n,t2α)$ three-body reaction were measured at ${E}_{n}=4.0,4.5$, and 5.0 MeV using a twin gridded ionization chamber and a thin-film $^{10}\mathrm{B}$ sample. The present paper is the first part of the work. The experimental spectrum of the $^{10}\mathrm{B}(n,t2...

[Phys. Rev. C 96, 044620] Published Tue Oct 24, 2017

Cross section measurement for the $^{10}\mathrm{B}(n,t2α)$ three-body reaction at 4.0, 4.5, and 5.0 MeV. II. Experimental setup and results


Author(s): Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu

Cross sections of the $^{10}\mathrm{B}(n,t2α)$ three-body reaction were measured at ${E}_{n}=4.0$, 4.5, and 5.0 MeV using a twin gridded ionization chamber and a thin-film $^{10}\mathrm{B}$ sample. The present paper is the second part of the work. A digital data-acquisition system was developed for ...

[Phys. Rev. C 96, 044621] Published Tue Oct 24, 2017

Transverse-momentum-dependent quark distribution functions of spin-one targets: Formalism and covariant calculations


Author(s): Yu Ninomiya, Wolfgang Bentz, and Ian C. Cloët

We present a covariant formulation and model calculations of the leading-twist time-reversal even transverse-momentum-dependent quark distribution functions (TMDs) for a spin-one target. Emphasis is placed on a description of these three-dimensional distribution functions which is independent of any...

[Phys. Rev. C 96, 045206] Published Tue Oct 24, 2017

Partial restoration of spin-isospin SU(4) symmetry and the one-quasiparticle random-phase approximation method in double-$β$ decay


Author(s): V. dos S. Ferreira, F. Krmpotić, C. A. Barbero, and A. R. Samana

The one-quasiparticle random-phase approximation (one-QRPA) method is used to describe simultaneously both double-$β$-decay modes, giving special attention to the partial restoration of spin-isospin $\text{SU}(4)$ symmetry. To implement this restoration and to fix the model parameters, we resort to ...

[Phys. Rev. C 96, 044322] Published Mon Oct 23, 2017

Precision mass measurements of $^{125–127}\mathrm{Cd}$ isotopes and isomers approaching the $N=82$ closed shell


Author(s): D. Lascar et al.

We present the results of precision mass measurements of neutron-rich cadmium isotopes. These nuclei approach the $N=82$ closed neutron shell and are important to nuclear structure as they lie near doubly magic $^{132}\mathrm{Sn}$ on the chart of nuclides. Of particular note is the clear identificat...

[Phys. Rev. C 96, 044323] Published Mon Oct 23, 2017

Probing the $_{31}\mathrm{Ga}$ ground-state properties in the region near $Z=28$ with high-resolution laser spectroscopy


Author(s): G. J. Farooq-Smith, A. R. Vernon, J. Billowes, C. L. Binnersley, M. L. Bissell, T. E. Cocolios, T. Day Goodacre, R. P. de Groote, K. T. Flanagan, S. Franchoo, R. F. Garcia Ruiz, W. Gins, K. M. Lynch, B. A. Marsh, G. Neyens, S. Rothe, H. H. Stroke, S. G. Wilkins, and X. F. Yang

Magnetic-dipole and electric-quadrupole moments for $^{65,67,69,75,79\text{–}82}\mathrm{Ga}$ are reported using the Collinear Resonance Ionization Spectroscopy (CRIS) technique at the ISOLDE facility, CERN. The moments of $^{65}\mathrm{Ga}$ have been measured for the first time: $μ=+1.775(3)\phantom...

[Phys. Rev. C 96, 044324] Published Mon Oct 23, 2017

Activation cross section and isomeric cross section ratios for the ($n,2n$) reaction on $^{153}\mathrm{Eu}$


Author(s): Junhua Luo, Li Jiang, and Suyuan Li

The $^{153}\mathrm{Eu}(n,2n)^{152}\mathrm{Eu}^{\mathrm{m}1,\mathrm{m}2,g}$ cross section was measured by means of the activation technique at three neutron energies in the range 13–15 MeV. The quasimonoenergetic neutron beam was formed via the $^{3}\mathrm{H}(d,n)^{4}\mathrm{He}$ reaction, in the Pd...

[Phys. Rev. C 96, 044617] Published Mon Oct 23, 2017

Simulating spin dynamics with spin-dependent cross sections in heavy-ion collisions


Author(s): Yin Xia, Jun Xu, Bao-An Li, and Wen-Qing Shen

We have incorporated the spin-dependent nucleon-nucleon cross sections into a Boltzmann-Uehling-Uhlenbeck transport model for the first time, using the spin-singlet and spin-triplet nucleon-nucleon elastic scattering cross sections extracted from the phase-shift analyses of nucleon-nucleon scatterin...

[Phys. Rev. C 96, 044618] Published Mon Oct 23, 2017

Flow harmonics from self-consistent particlization of a viscous fluid


Author(s): Zack Wolff and Denes Molnar

The quantitative extraction of quark-gluon plasma (QGP) properties from heavy-ion data, such as its specific shear viscosity $η/s$, typically requires comparison to viscous hydrodynamic or “hybrid” hydrodynamics + transport simulations. In either case, one has to convert the fluid to hadrons, yet wi...

[Phys. Rev. C 96, 044909] Published Mon Oct 23, 2017

Anisotropic hydrodynamic modeling of 2.76 TeV Pb-Pb collisions


Author(s): Mubarak Alqahtani, Mohammad Nopoush, Radoslaw Ryblewski, and Michael Strickland

We compare phenomenological results from $3+1\mathrm{D}$ quasiparticle anisotropic hydrodynamics (aHydroQP) with experimental data collected in the CERN Large Hadron Collider 2.76 TeV Pb-Pb collisions. In particular, we present comparisons of particle spectra, average transverse momentum, elliptic f...

[Phys. Rev. C 96, 044910] Published Mon Oct 23, 2017

Investigating local parity violation in heavy-ion collisions using $\mathrm{Λ}$ helicity


Author(s): L. E. Finch and S. J. Murray

We propose the measurement of net $\mathrm{Λ}$ and $\overline{\mathrm{Λ}}$ helicity, correlated event by event with the magnitude and sign of charge separation along the event's magnetic field direction, as a probe to investigate the chiral magnetic effect (CME) in heavy-ion collisions. With a simpl...

[Phys. Rev. C 96, 044911] Published Mon Oct 23, 2017

Neutron effective single-particle energies above $^{78}\mathrm{Ni}$: A hint from lifetime measurements in the $N=51$ isotones $^{85}\mathrm{Se}$ and $^{87}\mathrm{Kr}$


Author(s): F. Didierjean et al.

Background: While the $N=50$ shell-gap evolution towards $^{78}\mathrm{Ni}$ is presently in the focus of nuclear structure research, experimental information on the neutron effective single-particle energy sequence above the $^{78}\mathrm{Ni}$ core remain scarce. Direct nucleon-exchange reactions ar...

[Phys. Rev. C 96, 044320] Published Fri Oct 20, 2017



Author(s): R. M. E. B. Kandegedara, G. Bollen, M. Eibach, N. D. Gamage, K. Gulyuz, C. Izzo, M. Redshaw, R. Ringle, R. Sandler, and A. A. Valverde

Using high-precision Penning trap mass spectrometry at the Low Energy Beam and Ion Trap facility at the National Superconducting Cyclotron Laboratory we have measured the $Q$ values of the fourth-order forbidden $β$ decay and electron capture of $^{50}\mathrm{V}$ and the double electron capture $Q$ ...

[Phys. Rev. C 96, 044321] Published Fri Oct 20, 2017

Higher moments of net-proton multiplicity distributions in a heavy-ion event pile-up scenario


Author(s): P. Garg and D. K. Mishra

High-luminosity modern accelerators, like the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) and Large Hadron Collider (LHC) at European Organization for Nuclear Research (CERN), inherently have event pile-up scenarios which significantly contribute to physics events ...

[Phys. Rev. C 96, 044908] Published Fri Oct 20, 2017

Equation of state of a quark-meson mixture in the improved Polyakov–Nambu–Jona-Lasinio model at finite chemical potential


Author(s): Juan M. Torres-Rincon and Joerg Aichelin

We study the equation of state of QCD using an improved version of the three-flavor Polyakov–Nambu–Jona-Lasinio model beyond the mean-field approximation. It incorporates the effects of unquenched quarks into the Polyakov-loop effective potential, as well as mesonic contributions to the grand-canoni...

[Phys. Rev. C 96, 045205] Published Fri Oct 20, 2017

Nuclear structure features of Gamow-Teller excitations


Author(s): Vladimir Zelevinsky, Naftali Auerbach, and Bui Minh Loc

The nuclear shell-model calculations show a clear anticorrelation between the Gamow-Teller strength and the transition rate of the collective quadrupole excitation from the ground state in response to artificial changes of the spin-orbit splitting. The shell-model calculations in the $fp$ space demo...

[Phys. Rev. C 96, 044319] Published Thu Oct 19, 2017

Investigation of large $α$ production in reactions involving weakly bound $^{7}\mathrm{Li}$


Author(s): S. K. Pandit, A. Shrivastava, K. Mahata, V. V. Parkar, R. Palit, N. Keeley, P. C. Rout, A. Kumar, K. Ramachandran, S. Bhattacharyya, V. Nanal, C. S. Palshetkar, T. N. Nag, Shilpi Gupta, S. Biswas, S. Saha, J. Sethi, P. Singh, A. Chatterjee, and S. Kailas

The origin of the large $α$-particle production cross sections in systems involving weakly bound $^{7}\mathrm{Li}$ projectiles has been investigated by measuring the cross sections of all possible fragment-capture as well as complete fusion using the particle-$γ$ coincidence, in-beam, and off-beam $...

[Phys. Rev. C 96, 044616] Published Thu Oct 19, 2017