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Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials, and studying the correlation of the energy splittings of pseudospin partners with the nuclear potential…

核理论 · 物理学 2009-11-07 P. Alberto , M. Malheiro , A. Delfino , M. Fiolhais , M. Chiapparini

After application of an analytical transformation, a new exact representation for the nuclear isospin-symmetry breaking correction $\delta_C$ to superallowed beta decay is obtained. The correction is shown to be essentially the reciprocal…

核理论 · 物理学 2015-06-05 Vadim Rodin

Isobar collisions which were thought to have the same background and different magnetic fields provide an opportunity to verify the chiral magnetic effect (CME) in relativistic heavy-ion collisions. However, the first result from the…

核理论 · 物理学 2022-09-23 Xin-Li Zhao , Guo-Liang Ma

We analyze the modifications that a dense nuclear medium induces in the $D_{s0}^\ast(2317)^\pm$ and $D_{s1}(2460)^\pm$. In the vacuum, we consider them as isoscalar $D^{(*)}K$ and $\overline{D}{}^{(*)}\overline{K}$ $S$-wave bound states,…

高能物理 - 唯象学 · 物理学 2025-03-07 Victor Montesinos , Miguel Albaladejo , Juan Nieves , Laura Tolos

Recently, a hydrogen-poor superluminous supernova (SLSN) iPTF15esb at redshift $z=0.224$ was reported, whose light curve (LC) and spectrum show several unusual characteristics. Its late-time spectrum shows a strong, broad H$\alpha $…

高能天体物理现象 · 物理学 2017-06-07 Liang-Duan Liu , Ling-Jun Wang , Shan-Qin Wang , Zi-Gao Dai

Charged-defect calculation using a periodic supercell is a significant class of problems in solid state physics. However, the finite supercell size induces an undesirable long-range image charge Coulomb interaction. Although a variety of…

材料科学 · 物理学 2020-12-30 Zhao-Jun Suo , Jun-Wei Luo , Shu-Shen Li , Lin-Wang Wang

Mirror dark matter interacting with ordinary matter via photon-mirror photon kinetic mixing can explain the DAMA, CoGeNT and CRESSTII direct detection experiments. This explanation requires kinetic mixing of strength $\epsilon \sim…

宇宙学与河外天体物理 · 物理学 2015-06-03 R. Foot

We consider type IIB $SL(2,\mathbb{Z})$ symmetry to relate the partition functions of different 5d supersymmetric Abelian linear quiver Yang-Mills theories in the $\Omega$-background and squashed $S^5$ background. By Higgsing S-dual…

高能物理 - 理论 · 物理学 2018-12-12 Fabrizio Nieri , Yiwen Pan , Maxim Zabzine

The shell correction is proposed in the improved isospin dependent quantum molecular dynamics (ImIQMD) model, which plays an important role in heavy-ion fusion reactions near Coulomb barrier. By using the ImIQMD model, the static and…

核理论 · 物理学 2008-11-26 Zhao-Qing Feng , Gen-Ming Jin , Feng-Shou Zhang

We investigate the density behaviour of the symmetry energy with respect to isospin equilibration in the combined systems $Ru(Zr)+Zr(Ru)$ at relativistic energies of 0.4 and $1.528 AGeV$. The study is performed within a relativistic…

核理论 · 物理学 2009-11-10 T. Gaitanos , M. Colonna , M. Di Toro , H. H. Wolter

An essential part of experimental program at the future Electron Ion Collider is the study of the nuclear structure and dynamics at low $x$. DIS at low $x$ is characterized by large longitudinal coherence length that by far exceeds radii of…

高能物理 - 唯象学 · 物理学 2015-07-08 Kirill Tuchin

The isospin- and momentum-dependent MDI interaction, which has been extensively used in intermediate-energy heavy-ion reactions to study the properties of asymmetric nuclear matter, is extended to include the nucleon-hyperon and…

核理论 · 物理学 2010-05-21 Jun Xu , Lie-Wen Chen , Che Ming Ko , Bao-An Li

We investigate in detail the momentum dependence ($MD$) of the effective in medium Nucleon-Nucleon ($NN$) interaction in the isovector channel. We focus the discussion on transport properties of the expected neutron-proton ($n/p$) effective…

核理论 · 物理学 2009-11-10 J. Rizzo , M. Colonna , M. Di Toro , V. Greco

The nucleon spin-orbit interaction is a cornerstone of nuclear structure theory, yet its isospin dependence remains elusive owing to the lack of clean experimental probes. Here we show that the charge-weak form factor difference in…

核理论 · 物理学 2026-02-20 Tong-Gang Yue , Zhen Zhang , Lie-Wen Chen

An isobaric yield ratio difference (IBD) method is proposed to study the ratio of the difference between the chemical potential of neutron and proton to temperature ($\Delta\mu/T$) in heavy-ion collisions. The $\Delta\mu/T$ determined by…

核实验 · 物理学 2013-11-06 Chun-Wang Ma , Shan-Shan Wang , Yan-Li Zhang , Hui-Ling Wei

We study the role the proton-electron gas interaction has on the formation of nuclear structures in neutron star crusts. Using a classical molecular dynamics model we study isospin symmetric and asymmetric matter at subsaturation densities…

核理论 · 物理学 2012-08-24 C. O. Dorso , P. A. Giménez Molinelli , J. A. López , E. Ramírez-Homs

In three dimensions, dipole-dipole interactions which alter atomic level shifts and spontaneous decay rates only persist over distances comparable to the wavelength of the emitted light. In this paper we show that it is possible to…

量子物理 · 物理学 2025-01-30 Nicholas Furtak-Wells , Benjamin Dawson , Thomas Mann , Gin Jose , Almut Beige

Neutrinos and dark matter (DM) are two of the least understood components of the Universe, yet both play crucial roles in cosmic evolution. Clues about their fundamental properties may emerge from discrepancies in cosmological measurements…

宇宙学与河外天体物理 · 物理学 2026-01-12 Lei Zu , William Giarè , Chi Zhang , Eleonora Di Valentino , Yue-Lin Sming Tsai , Sebastian Trojanowski

Recent results from the Dark Energy Spectroscopic Instrument (DESI) support the dynamical dark energy. Intriguingly, the data favor a transition of the dark energy equation of state across $w=-1$, a hallmark of the Quintom scenario. In this…

宇宙学与河外天体物理 · 物理学 2025-12-30 Hua Zhai , Si-Yu Li , Yang Liu , Yiwei Zhong , Hong Li , Yaqiong Li , Congzhan Liu , Mingzhe Li , Xinmin Zhang
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