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Published: 2017-12-14T01:02:56+00:00
2017-12-12T10:00:00+00:00
Author(s): A. Del Dotto, L. P. Kaptari, E. Pace, G. Salmè, and S. ScopettaThe semi-inclusive deep-inelastic electron scattering off transversely polarized $^{3}\mathrm{He}$, i.e., the process $e+\stackrel{⃗}{^{3}\mathrm{He}}→{e}^{′}+h+X$, with $h$ being a detected fast hadron, is studied beyond the plane-wave impulse approximation. To this end, a distorted spin-dependent ...
2017-12-12T10:00:00+00:00
Author(s): Cesar Vásquez Flores, Zack B. Hall, II, and Prashanth JaikumarOscillation modes of isolated compact stars can, in principle, be a fingerprint of the equation of state (EoS) of dense matter. We study the non-radial high-frequency $l=2$ spheroidal modes of neutron stars and strange quark stars, adopting a two-component model (core and crust) for these two types ...
2017-12-11T10:00:00+00:00
Author(s): D. Steppenbeck, S. Takeuchi, N. Aoi, P. Doornenbal, M. Matsushita, H. Wang, H. Baba, S. Go, J. D. Holt, J. Lee, K. Matsui, S. Michimasa, T. Motobayashi, D. Nishimura, T. Otsuka, H. Sakurai, Y. Shiga, P.-A. Söderström, S. R. Stroberg, T. Sumikama, R. Taniuchi, J. A. Tostevin, Y. Utsuno, J. J. Valiente-Dobón, and K. YonedaThe low-lying structure of $^{55}\mathrm{Sc}$ has been investigated using in-beam $γ$-ray spectroscopy with the $^{9}\mathrm{Be}(^{56}\mathrm{Ti},^{55}\mathrm{Sc}+γ)X$ one-proton removal and $^{9}\mathrm{Be}(^{55}\mathrm{Sc},^{55}\mathrm{Sc}+γ)X$ inelastic-scattering reactions at the RIKEN Radioacti...
2017-12-11T10:00:00+00:00
Author(s): Yu. V. Pyatkov, D. V. Kamanin, A. A. Alexandrov, I. A. Alexandrova, Z. I. Goryainova, V. Malaza, N. Mkaza, E. A. Kuznetsova, A. O. Strekalovsky, O. V. Strekalovsky, and V. E. ZhuchkoBackground: In a series of experiments at different time-of-flight spectrometers of heavy ions we have observed manifestations of a new at least ternary decay channel of low excited heavy nuclei. Due to specific features of the effect, it was called collinear cluster tri-partition (CCT). The obtaine...
2017-12-11T10:00:00+00:00
Author(s): C. Fontbonne et al.The half-life of $^{19}\mathrm{Ne}$ was measured using a real-time digital multiparametric acquisition system, providing an accurate time stamp and relevant information on the detector signals for each decay event. An exhaustive offline analysis of the data gave unique access to experimental effects...
2017-12-08T10:00:00+00:00
Author(s): Alexander S. Solovyev and Sergey Yu. IgashovA microscopic approach to description of radiative capture reactions based on a multiscale algebraic version of the resonating group model is developed. The main idea of the approach is to expand wave functions of discrete spectrum and continuum for a nuclear system over different bases of the algeb...
2017-12-08T10:00:00+00:00
Author(s): A. S. Schneider, L. F. Roberts, and C. D. OttThe equation of state (EOS) of dense matter is an essential ingredient for numerical simulations of core-collapse supernovae and neutron star mergers. The properties of matter near and above nuclear saturation density are uncertain, which translates into uncertainties in astrophysical simulations an...
2017-12-07T10:00:00+00:00
Author(s): Kalayar Win et al.In order to study the ${T}_{z}=+1→0$ Gamow-Teller (GT) transitions in the mass $A=26$ system, a charge-exchange reaction $^{26}\mathrm{Mg}(^{3}\mathrm{He},t)^{26}\mathrm{Al}$ was performed at an incident energy of 140 MeV/nucleon and scattering angle at and near ${0}^{∘}$, where ${T}_{z}$ is the $z$...
2017-12-07T10:00:00+00:00
Author(s): Y. Wunderlich, A. Švarc, R. L. Workman, L. Tiator, and R. BeckIt is well known that the observables in a single-channel scattering problem remain invariant once the amplitude is multiplied by an overall energy- and angle-dependent phase. This invariance is called the continuum ambiguity and acts on the infinite partial-wave set. It has also long been known tha...
2017-12-06T10:00:00+00:00
Author(s): K. Sekiguchi et al.All deuteron analyzing powers for elastic deuteron-proton ($dp$) scattering have been measured with a polarized deuteron beam at 186.6 MeV/nucleon. They are compared with results of three-nucleon Faddeev calculations based on the standard, high-precision nucleon-nucleon ($NN$) potentials alone or co...
2017-12-06T10:00:00+00:00
Author(s): F. Wang et al.The excited states of the proton emitter $^{151}\mathrm{Lu}$ were reinvestigated in a recoil-decay tagging experiment at the Accelerator Laboratory of the University of Jyväskylä (JYFL). The level scheme built on the ground state of $^{151}\mathrm{Lu}$ was updated with five new $γ$-ray transitions. ...
2017-12-06T10:00:00+00:00
Author(s): Swati Modi, M. Patial, P. Arumugam, L. S. Ferreira, and E. MaglioneWe study the structure and decay properties of triaxially deformed odd-$A$ proton emitter $^{147,147\text{m}}\mathrm{Tm}$ with the modified particle-rotor model, which utilizes the microscopic nonadiabatic quasiparticle approach. In this approach the core spectrum is coupled with the particle states...
2017-12-06T10:00:00+00:00
Author(s): H. L. Liu (刘焕玲), Y. G. Ma (马余刚), A. Bonasera, X. G. Deng (邓先概), O. Lopez, and M. VeselskýThermal and transport properties of hot nuclear matter formed in central $^{129}\mathrm{Xe}+^{119}\mathrm{Sn}$ collisions at the Fermi energy are investigated using the isospin-dependent quantum molecular dynamical model. Temperature ($T$), average density ($ρ$), chemical potential ($μ$), mean momen...
2017-12-05T10:00:00+00:00
Author(s): Daming Deng and Zhongzhou RenThe nuclear medium effect in $α$ decay is introduced into the microscopic double-folding model to construct an improved $α$-nucleus potential. Under the local density approximation, the $α$-cluster density distribution is considered to vary with the surrounding matter density as a result of the medi...
2017-12-05T10:00:00+00:00
Author(s): Juhee Hong, C. A. Bertulani, and A. T. KruppaExperimental data on Coulomb breakup and neutron removal indicate that $^{31}\mathrm{Ne}$ is one of the heaviest halo nuclei discovered so far. The possible ground state of $^{31}\mathrm{Ne}$ is either $3/{2}^{−}$ coming from the $p$-wave halo or $1/{2}^{+}$ coming from the $s$-wave halo. In this wo...
2017-12-05T10:00:00+00:00
Author(s): A. M. Sirunyan et al. (CMS Collaboration)For the first time a principle-component analysis is used to separate out different orthogonal modes of the two-particle correlation matrix from heavy ion collisions. The analysis uses data from $\sqrt{{s}_{{}_{NN}}}=2.76\phantom{\rule{0.28em}{0ex}}\text{TeV}$ PbPb and $\sqrt{{s}_{{}_{NN}}}=5.02\pha...
2017-12-04T10:00:00+00:00
Author(s): P. Van Isacker, J. Engel, and K. NomuraBackground: The interacting boson model has been used extensively to calculate the matrix elements governing neutrinoless double-$β$ decay. Studies within other models—the shell model, the quasiparticle random-phase approximation, and nuclear energy-density functional theory—indicate that a good des...
2017-12-04T10:00:00+00:00
Author(s): Suhel Ahmad, A. A. Usmani, and Z. A. KhanWe extract the matter root-mean-square (rms) radii of a wide range of light proton and neutron rich nuclear isotopes (He–Mg) by studying their interaction cross sections (${σ}_{I}$) on $^{12}\mathrm{C}$ at intermediate energies within the framework of the Glauber model. The calculations involve the ...
2017-12-04T10:00:00+00:00
Author(s): C. Aidala et al. (PHENIX Collaboration)The fraction of $J/ψ$ mesons which come from $B$-meson decay, ${\mathrm{F}}_{B→J/ψ}$, is measured for $\mathrm{J}/ψ$ rapidity $1.2<|y|<2.2$ and ${p}_{T}>0$ in $p+p$ and Cu+Au collisions at $\sqrt{{s}_{{}_{NN}}}$ = 200 GeV with the PHENIX detector. The extracted fraction is ${\mathrm{F}}_{B→...
2017-12-04T10:00:00+00:00
Author(s): N. Compton et al. (CLAS Collaboration)We report the first measurement of differential and total cross sections for the $γd→{K}^{0}\mathrm{Λ}(p)$ reaction, using data from the CLAS detector at the Thomas Jefferson National Accelerator Facility. Data collected during two separate experimental runs were studied with photon-energy coverage ...
2017-12-04T10:00:00+00:00
Author(s): Wynn C. G. Ho, Nils Andersson, and Vanessa GraberA superconductor of paired protons is thought to form in the core of neutron stars soon after their birth. Minimum energy conditions suggest magnetic flux is expelled from the superconducting region due to the Meissner effect, such that the neutron star core is largely devoid of magnetic fields for ...
2017-12-01T10:00:00+00:00
Author(s): J. Wiśniewski, W. Urban, T. Rząca-Urban, A. G. Smith, J. F. Smith, G. S. Simpson, I. Ahmad, and J. P. GreeneExcited states in $^{147}\mathrm{La}$, populated in spontaneous fission of $^{252}\mathrm{Cf}$, have been reinvestigated by means of $γ$-ray spectroscopy, using high-fold $γ$-ray coincidences measured with the Gammasphere array of Ge detectors. The 229.5-keV level, which has been assigned spin parit...
2017-12-01T10:00:00+00:00
Author(s): A. Kingan, K. Neergård, and L. ZamickCalculations in the $\mathit{sd}$ and $\mathit{pf}$ shells reported some time ago by Satuła et al. [Phys. Lett. B 407, 103 (1997)] are redone for an extended analysis of the results. As in the original work, we do calculations for one mass number in each shell and consider in each case the sequence ...
2017-12-01T10:00:00+00:00
Author(s): H. Abusara and Shakeb AhmadThe relativistic-Hartree-Bogoliubov formalism using density-dependent zero and finite range $\mathit{NN}$ interactions, and separable pairing, is applied to the Kr isotopes ($Z=36$) and $N=34–64$ isotopes, neutron-rich Sr($Z=38$) and Zr($Z=40$) nuclei with neutron numbers $N=48–70$. A systematic sea...
2017-12-01T10:00:00+00:00
Author(s): Calvin W. Johnson and Kevin D. O'MaraProjection of many-body states with good angular momentum from an initial state is usually accomplished by a three-dimensional integral. We show how projection can instead be done by solving a straightforward system of linear equations. We demonstrate the method and give sample applications to $^{48...
2017-12-01T10:00:00+00:00
Author(s): T. Wright et al. (The n_TOF Collaboration)The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)$×{10}^{−4}$ atoms/barn areal density $^{238}\mathrm{U}$ sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n_TOF. This mea...
2017-11-30T10:00:00+00:00
Author(s): J. E. Lynn, I. Tews, J. Carlson, S. Gandolfi, A. Gezerlis, K. E. Schmidt, and A. SchwenkThe authors present a detailed report on quantum Monte Carlo (QMC) calculations of light nuclei with local two- and three-body interactions from chiral effective field theory. They establish QMC methods with local chiral interactions as a versatile and systematic approach to $a\phantom{\rule{0}{0ex}}b-i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o$ calculations of light nuclei.
(image)2017-11-30T10:00:00+00:00
Author(s): R. Kumar, Vijay R. Sharma, Abhishek Yadav, Pushpendra P. Singh, Avinash Agarwal, S. Appannababu, S. Mukherjee, B. P. Singh, R. Ali, and R. K. BhowmikExcitation functions of reaction residues produced in the $^{14}\mathrm{N}+^{169}\mathrm{Tm}$ system have been measured to high precision at energies above the fusion barrier, ranging from $1.04{V}_{B}$ to $1.30{V}_{B}$, and analyzed in the framework of the statistical model code pace4. Analysis of ...
2017-11-30T10:00:00+00:00
Author(s): Victor Roy, Shi Pu, Luciano Rezzolla, and Dirk H. RischkeWe investigate the effect of large magnetic fields on the ($2+1$)-dimensional reduced-magnetohydrodynamical expansion of hot and dense nuclear matter produced in $\sqrt{{s}_{\mathrm{NN}}}=200$ GeV Au+Au collisions. For the sake of simplicity, we consider the case where the magnetic field points in t...
2017-11-29T10:00:00+00:00
Author(s): A. E. Lovell, P.-L. Bacq, P. Capel, F. M. Nunes, and L. J. TitusRecently, a variety of studies have shown the importance of including nonlocality in the description of reactions. The goal of this work is to revisit the phenomenological approach to determining nonlocal optical potentials from elastic scattering. We perform a ${χ}^{2}$ analysis of neutron elastic ...
2017-11-29T10:00:00+00:00
Author(s): W. M. Seif, N. V. Antonenko, G. G. Adamian, and Hisham AnwerThe change of proton and neutron skin thicknesses is investigated in nuclei after α decay. The skin thicknesses are self-consistently calculated. The observed α decays lead to relatively large decrease of the proton skin in the daughter nuclei. A large increase of the neutron skin in the daughter nu...
2017-11-29T10:00:00+00:00
Author(s): H. T. FortuneFor the ${1}^{+}$ first-excited state of $^{26}\mathrm{P}$, the lifetime and the upper limit on the proton width have been combined with shell-model spectroscopic factors to place an upper limit on the proton single-particle (sp) width. With a potential model, this limit on sp width allows an upper ...
2017-11-29T10:00:00+00:00
Author(s): J. Button, Y.-W. Lui, D. H. Youngblood, X. Chen, G. Bonasera, and S. ShlomoIsoscalar giant resonances in $^{44}\mathrm{Ca}$ have been studied with inelastic scattering of 240 MeV α particles at small angles including ${0}^{∘}$. A majority of the energy weighted sum rule was identified for $E0$ and $E2$ ($≈70%$), and nearly half was identified for $E1$. The strength distrib...
2017-11-29T10:00:00+00:00
Author(s): C. Granados et al.The in-gas laser ionization and spectroscopy (IGLIS) technique was applied on the $^{212–215}\mathrm{Ac}$ isotopes, produced at the Leuven Isotope Separator On-Line (LISOL) facility by using the in-gas-cell and the in-gas-jet methods. The first application under on-line conditions of the in-gas-jet ...
2017-11-29T10:00:00+00:00
Author(s): T. J. Gray, A. E. Stuchbery, M. W. Reed, A. Akber, B. J. Coombes, J. T. H. Dowie, T. K. Eriksen, M. S. M. Gerathy, T. Kibédi, G. J. Lane, A. J. Mitchell, T. Palazzo, and T. TornyiThe time differential perturbed angular distribution technique with ${\mathrm{LaBr}}_{3}$ detectors has been applied to the ${I}^{π}={\frac{11}{2}}^{−}$ isomeric state (${E}_{x}=846$ keV, $τ=107$ ns) in $^{107}\mathrm{Cd}$, which was populated and recoil-implanted into a gadolinium host following th...
2017-11-29T10:00:00+00:00
Author(s): M. R. Pahlavani, O. N. Ghodsi, and M. ZadehrafiThe cold ternary fission of $^{250}\mathrm{Cm}$ accompanied with $^{4}\mathrm{He}$, $^{10}\mathrm{Be}$, $^{14}\mathrm{C}$, and $^{16}\mathrm{O}$ light charged particles in the equatorial three-cluster model configuration is studied. Driving potential and fission yield for each accompanied light char...
2017-11-29T10:00:00+00:00
Author(s): A. Parihari, G. Mohanto, Gurpreet Kaur, A. Jhingan, K. Mahata, R. G. Thomas, P. C. Rout, E. T. Mirgule, V. V. Desai, B. Srinivasan, C. Joshi, V. Mishra, M. Kushwaha, Shilpi Gupta, D. Sarkar, S. V. Suryanarayana, A. Shrivastava, N. L. Singh, A. Misra, B. K. Nayak, and A. SaxenaTransfer-induced fission fragment angular distribution measurements have been carried out in $^{6}\mathrm{Li}+^{238}\mathrm{U}$ reaction at beam energies of 36 and 40 MeV in coincidence with projectile-like fragments. The fission fragment anisotropies for $α$- and deuteron-transfer-induced fission r...
2017-11-29T10:00:00+00:00
Author(s): Hui Li, Long-Gang Pang, Qun Wang, and Xiao-Liang XiaOff-central relativistic heavy ion collisions impart very large orbital angular momenta onto the quark-gluon plasma, creating a strong vortex in the initial hot fluid and appearing eventually, via spin-vorticity coupling, as particle polarization. From the vorticity field given by a multi-phase transport model the authors compute the global polarization of $\mathrm{\Lambda}$ baryons which is in agreement with experimental data. This suggests that the spin of a hadron could provide information on quark-gluon plasma flow.
(image)2017-11-28T10:00:00+00:00
Author(s): B. Andel et al.A detailed $α$-decay spectroscopy study of $^{180}\mathrm{Tl}$ has been performed at ISOLDE (CERN). $Z$-selective ionization by the Resonance Ionization Laser Ion Source (RILIS) coupled to mass separation provided a high-purity beam of $^{180}\mathrm{Tl}$. Fine-structure $α$ decays to excited levels...
2017-11-28T10:00:00+00:00
Author(s): Chris Eccles, Sanil Roy, Thomas H. Gray, and Alessio ZacconeAccounting for viscous damping within Fokker-Planck equations led to various improvements in the understanding and analysis of nuclear fission of heavy nuclei. Analytical expressions for the fission time are typically provided by Kramers' theory, which improves on the Bohr-Wheeler estimate by includ...
2017-11-28T10:00:00+00:00
Author(s): Hai-Qing Zhou and Shin Nan YangWe evaluate the corrections of the two-photon exchange (TPE) process on the ${γ}^{*}N\mathrm{Δ}$ transition form factors. The contributions of the TPE process to $eN→e\mathrm{Δ}(1232)→eNπ$ are calculated in a hadronic model with the inclusion of only the elastic nucleon intermediate states, to estim...
2017-11-27T10:00:00+00:00
Author(s): M. Doncel et al.The evolution of collectivity with spin along the yrast line in the neutron-deficient nucleus $^{112}\mathrm{Te}$ has been studied by measuring the reduced transition probability of excited states in the yrast band. In particular, the lifetimes of the ${4}^{+}$ and ${6}^{+}$ excited states have been...
2017-11-27T10:00:00+00:00
Author(s): I. Ruiz Simo, R. Navarro Pérez, J. E. Amaro, and E. Ruiz ArriolaThe $δ$-shell representation of the nuclear force allows a simplified treatment of nuclear correlations. We show how this applies to the Bethe–Goldstone equation as an integral equation in coordinate space with a few mesh points, which is solved by inversion of a five-dimensional square matrix in th...
2017-11-27T10:00:00+00:00
Author(s): S. Ansari et al.Rapid shape changes are observed for neutron-rich nuclei with A around 100. In particular, a sudden onset of ground-state deformation is observed in the Zr and Sr isotopic chains at N = 60: Low-lying states in $N≤58$ nuclei are nearly spherical, while those with $N≥60$ have a rotational character. N...
2017-11-27T10:00:00+00:00
Author(s): Y. K. WangA separable form of the Gogny pairing force is implemented in tilted axis cranking covariant density functional theory for the description of rotational bands in open shell nuclei. The developed method is used to investigate the yrast sequence of $^{109}\mathrm{Ag}$ for an example. The experimental ...
2017-11-27T10:00:00+00:00
Author(s): S. J. Freeman, D. K. Sharp, S. A. McAllister, B. P. Kay, C. M. Deibel, T. Faestermann, R. Hertenberger, A. J. Mitchell, J. P. Schiffer, S. V. Szwec, J. S. Thomas, and H.-F. WirthThe rearrangements of protons and neutrons amongst the valence single-particle orbitals during double-$β$ decay of $^{100}\mathrm{Mo}$ have been determined by measuring cross sections in ($d,p$), ($p,d$), ($^{3}\mathrm{He},α$), and ($^{3}\mathrm{He},d$) reactions on $^{98,100}\mathrm{Mo}$ and $^{100...
2017-11-27T10:00:00+00:00
Author(s): Balaram Dey, Deepak Pandit, Srijit Bhattacharya, N. Quang Hung, N. Dinh Dang, L. Tan Phuc, Debasish Mondal, S. Mukhopadhyay, Surajit Pal, A. De, and S. R. BanerjeeEvaporated neutron energy spectra have been measured in coincidence with low-energy discrete $γ$ rays in the reaction $^{4}\mathrm{He}+^{93}\mathrm{Nb}$ at $E(^{4}\mathrm{He})=28$ MeV. The low-energy light-ion beam provides the scope of extracting the experimental nuclear level density (NLD) in the ...
2017-11-27T10:00:00+00:00
Author(s): V. Scarduelli, E. Crema, V. Guimarães, D. Abriola, A. Arazi, E. de Barbará, O. A. Capurro, M. A. Cardona, J. Gallardo, D. Hojman, G. V. Martí, A. J. Pacheco, D. Rodrígues, Y. Y. Yang, N. N. Deshmukh, B. Paes, J. Lubian, D. R. Mendes Junior, V. Morcelle, and D. S. MonteiroFull angular distributions of the $^{10}\mathrm{B}$ elastically and inelastically scattered by $^{58}\mathrm{Ni}$ have been measured at different energies around the Coulomb barrier. The elastic and inelastic scattering of $^{10}\mathrm{B}$ on a medium mass target has been measured for the first tim...
2017-11-27T10:00:00+00:00
Author(s): M. H. Sikora et al.Compton scattering, where the electromagnetic field of a real photon induces radiation multipoles by displacing charges and currents inside the nucleon, is an important probe of both the structure of light nuclei and the nucleon polarizabilities. This paper presents the first extensive and precise measurements of elastic Compton scattering on ${}^{4}$He. These results should allow precision comparisons with new calculations expected from both lattice gauge and effective field theories.
(image)2017-11-27T10:00:00+00:00
Author(s): Jouni SuhonenDetection of the neutrinoless $ββ$ ($0νββ$) decay is of high priority in the particle- and neutrino-physics communities. The detectability of this decay mode is strongly influenced by the value of the weak axial-vector coupling constant ${g}_{A}$. The recent nuclear-model analyses of $β$ and $ββ$ de...
2017-11-27T10:00:00+00:00
Author(s): M. Kohno2017-11-27T10:00:00+00:00
Author(s): K. Minomo, M. Toyokawa, M. Kohno, and M. Yahiro2017-11-27T10:00:00+00:00
Author(s): M. Toyokawa, M. Yahiro, T. Matsumoto, K. Minomo, K. Ogata, and M. Kohno2017-11-27T10:00:00+00:00
Author(s): Kosho Minomo, Michio Kohno, and Kazuyuki Ogata2017-11-22T10:00:00+00:00
Author(s): M. D. Jones, K. Fossez, T. Baumann, P. A. DeYoung, J. E. Finck, N. Frank, A. N. Kuchera, N. Michel, W. Nazarewicz, J. Rotureau, J. K. Smith, S. L. Stephenson, K. Stiefel, M. Thoennessen, and R. G. T. ZegersBackground: Theoretical calculations suggest the presence of low-lying excited states in $^{25}\mathrm{O}$. Previous experimental searches by means of proton knockout on $^{26}\mathrm{F}$ produced no evidence for such excitations.
2017-11-21T10:00:00+00:00
Author(s): N. Dinh Dang, N. Quang Hung, and L. T. Quynh HuongThe nuclear temperature is calculated from the derivative of the logarithm of the level densities in $^{\text{60-62}}\mathrm{Ni}$ and $^{\text{170-172}}\mathrm{Yb}$. The latter are obtained within a method, which includes exact pairing for the levels around the Fermi surface in combination with the ...
2017-11-21T10:00:00+00:00
Author(s): D. Vargas, A. R. Samana, F. G. Velasco, O. R. Hoyos, F. Guzmán, J. L. Bernal-Castillo, E. Andrade-II, R. Perez, A. Deppman, C. A. Barbero, and A. E. MarianoNuclear reactions induced by muon neutrinos with energies from 0.2 to 1.5 GeV in the Monte Carlo calculation framework in the intranuclear cascade model are studied. This study was done by comparing the available experimental data and theoretical values of total cross section, and the energy distrib...
2017-11-21T10:00:00+00:00
Author(s): C. Hebborn and P. CapelVarious corrections to the eikonal approximations are studied for two- and three-body nuclear collisions with the goal to extend the range of validity of this approximation to beam energies of 10 MeV/nucleon. Wallace's correction does not improve much the elastic-scattering cross sections obtained a...
2017-11-21T10:00:00+00:00
Author(s): Tokuro Fukui and Futoshi MinatoBackground: Coherent one-particle one-hole (1p1h) excitations have given us effective insights into general nuclear excitations. However, the two-particle two-hole (2p2h) excitation beyond 1p1h is now recognized as critical for the proper description of experimental data of various nuclear responses...
2017-11-21T10:00:00+00:00
Author(s): P. Napolitani and M. ColonnaThe dynamics of fermionic many-body systems is investigated in the framework of Boltzmann–Langevin (BL) stochastic one-body approaches. Within the recently introduced Boltzmann–Langevin one-body (BLOB) model, we examine the interplay between mean-field effects and two-body correlations, of stochasti...
2017-11-21T10:00:00+00:00
Author(s): Keisuke Ohtani, Ken-ji Araki, and Makoto OkaDensity dependences of the mass and self-energies of ${\mathrm{Λ}}_{c}$ in nuclear matter are studied in the parity projected QCD sum rule. Effects of nuclear matter are taken into account through the quark and gluon condensates. It is found that the four-quark condensates give dominant contribution...
2017-11-21T10:00:00+00:00
Author(s): Chandrasekhar Chatterjee, Mareike Haberichter, and Muneto NittaWe discuss collective excitations (both fundamental and solitonic excitations) of quantized superfluid vortices in neutron $^{3}P_{2}$ superfluids, which likely exist in high density neutron matter such as neutron stars. Besides the well-known Kelvin modes (translational zero modes), we find a gapfu...
2017-11-20T10:00:00+00:00
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...
2017-11-20T10:00:00+00:00
Author(s): L. Huth, I. Tews, J. E. Lynn, and A. SchwenkChiral 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 ...
2017-11-20T10:00:00+00:00
Author(s): S. N. More, S. K. Bogner, and R. J. FurnstahlBackground: 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 ...
2017-11-20T10:00:00+00:00
Author(s): A. Dyhdalo, S. K. Bogner, and R. J. FurnstahlModern 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...
2017-11-20T10:00:00+00:00
Author(s): Y. Jaganathen, R. M. Id Betan, N. Michel, W. Nazarewicz, and M. PłoszajczakBackground: 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...
2017-11-20T10:00:00+00:00
Author(s): J. Margueron, E. Khan, and F. GulminelliThe 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...
2017-11-20T10:00:00+00:00
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. WollersheimIn 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...
2017-11-20T10:00:00+00:00
Author(s): A. Adahchour and P. DescouvemontWe 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...
2017-11-20T10:00:00+00:00
Author(s): A. A. Raduta, R. Poenaru, and L. Gr. IxaruA 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 ...
2017-11-20T10:00:00+00:00
Author(s): Jose Luis Rodríguez-Sánchez, Jean-Christophe David, Davide Mancusi, Alain Boudard, Joseph Cugnon, and Sylvie LerayThe 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...
2017-11-20T10:00:00+00:00
Author(s): Zhi Wang, Chang Xu, Zhongzhou Ren, and Chao GaoThe 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...
2017-11-20T10:00:00+00:00
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. TsekhanovichRelative 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...
2017-11-20T10:00:00+00:00
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. SinghPre- 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 ...
2017-11-20T10:00:00+00:00
Author(s): J. M. Alarcón and C. WeissWe 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...
2017-11-20T10:00:00+00:00
Author(s): N. G. Antoniou, F. K. Diakonos, and A. S. KapoyannisIn 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...
2017-11-17T10:00:00+00:00
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. WalkerThe $γ$ 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...
2017-11-16T10:00:00+00:00
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. SumithrarachchiThe 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...
2017-11-16T10:00:00+00:00
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. ThompsonThe 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 $...
2017-11-15T10:00:00+00:00
Author(s): Takayuki Miyagi, Takashi Abe, Ryoji Okamoto, and Takaharu OtsukaIn 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...
2017-11-15T10:00:00+00:00
Author(s): Han-Kui Wang, S. K. Ghorui, Kazunari Kaneko, Yang Sun, and Z. H. LiThe 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...
2017-11-15T10:00:00+00:00
Author(s): Sandeep Chatterjee, Debadeepti Mishra, Bedangadas Mohanty, and Subhasis SamantaWe 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...
2017-11-15T10:00:00+00:00
Author(s): L. M. Abreu and E. S. NeryIn 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...
2017-11-15T10:00:00+00:00
Author(s): D. Siemens, V. Bernard, E. Epelbaum, A. M. Gasparyan, H. Krebs, and Ulf-G. MeißnerWe 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...
2017-11-15T10:00:00+00:00
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. WeissmanBismuth 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...
2017-11-15T10:00:00+00:00
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. Thoennessen2017-11-14T10:00:00+00:00
Author(s): J. Hoppe, C. Drischler, R. J. Furnstahl, K. Hebeler, and A. SchwenkWe 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...
2017-11-14T10:00:00+00:00
Author(s): Jie Pu, Zhen Zhang, and Lie-Wen ChenBackground: 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...
2017-11-14T10:00:00+00:00
Author(s): Nirbhay K. Behera, Sadhana Dash, Bharati Naik, Basanta K. Nandi, and Tanmay PaniThe 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...
2017-11-13T10:00:00+00:00
Author(s): S. Quan, W. P. Liu, Z. P. Li, and M. S. SmithBackground: 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.
2017-11-13T10:00:00+00:00
Author(s): C. F. Jiao, J. Engel, and J. D. HoltWe 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...
2017-11-13T10:00:00+00:00
Author(s): Adam Olszewski and Wojciech BroniowskiWe 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 ...
2017-11-13T10:00:00+00:00
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.
2017-11-13T10:00:00+00:00
Author(s): Adam Bzdak and Volker KochThe 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...
2017-11-13T10:00:00+00:00
Author(s): Victor T. Voronchev, Yasuyuki Nakao, and Yukinobu WatanabeContinuing 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 ...
2017-11-13T10:00:00+00:00
Author(s): Zidu Lin and C. J. HorowitzCore 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...
2017-11-10T10:00:00+00:00
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 ...
2017-11-10T10:00:00+00:00
Author(s): K. P. Hickerson et al. (UCNA Collaboration)2017-11-09T10:00:00+00:00
Author(s): Kenichi YoshidaThe 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...