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Related papers: Isospin Diffusion and Equilibration for Sn+Sn coll…

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Isospin is an approximate symmetry in atomic nuclei, arising from the rather similar properties of protons and neutrons. Perhaps the clearest manifestation of isospin within nuclei is in the near-identical structure of excited states in…

Nuclear Experiment · Physics 2020-10-07 J. Henderson , S. R. Stroberg

We present a complete systematically theoretical study of multifragmentation for asymmetric colliding nuclei for heavy-ion reactions in the energy range between 50 MeV/nucleon and 600 MeV/nucleon by using soft and hard equations of state.…

Nuclear Theory · Physics 2010-11-19 Varinderjit Kaur , Suneel Kumar

The effects of isospin-symmetry breaking on the observables for parity-violating electron scattering are investigated within the framework of the nuclear shell model for 12C, 16O, and 28Si. Contributions due to mixing with low-lying states…

Nuclear Theory · Physics 2009-10-31 W. E. Ormand

The recent experimental observation of isospin symmetry breaking (ISB) in the ground states of the $T=3/2$ mirror pair $^{73}$Sr - $^{73}$Br is theoretically studied using large-scale shell model calculations. The large valence space and…

Nuclear Theory · Physics 2020-09-23 S. M. Lenzi , A. Poves , A. O. Macchiavelli

The separation energies of the isospin triplet $^7_\Lambda\mathrm{He}$, $^7_\Lambda \mathrm{Li^{*}}$, $^7_\Lambda$Be, and the $T=1/2$ doublet $^8_\Lambda$Li, $^8_\Lambda$Be are investigated within the no-core shell model. Calculations are…

Nuclear Theory · Physics 2023-03-08 Hoai Le , Johann Haidenbauer , Ulf-G. Meißner , Andreas Nogga

The asymptotic time derivative of the total dipole signal is proposed as an useful observable to investigate on Isospin equilibration phenomenon in multi-fragmentation processes. The study has been developed to describe charge/mass…

Nuclear Theory · Physics 2009-10-16 M. Papa , G. Giuliani

This paper presents reaction cross section predictions. These predictions are the result of a continuous pipeline which originates from a microscopic nuclear interaction. Density parameters and effective nucleon-nucleon cross sections (both…

Nuclear Theory · Physics 2011-07-04 Francesca Sammarruca , Larz White

The target normal single-spin asymmetry in inclusive electron-nucleon scattering is studied in the low-energy regime that includes the $\Delta$ resonance. The particular interest in the asymmetry resides in that it is driven by two-photon…

High Energy Physics - Phenomenology · Physics 2023-05-31 Jose L. Goity , Christian Weiss , Cintia Willemyns

The roles of isospin asymmetry in nuclei and neutron stars are investigated using a range of potential and field-theoretical models of nucleonic matter. The parameters of these models are fixed by fitting the properties of homogeneous bulk…

Nuclear Theory · Physics 2008-11-26 Andrew W. Steiner , Madappa Prakash , James M. Lattimer , Paul J. Ellis

Efficiency corrected single ratios of neutron and proton spectra in central $^{112}$Sn+$^{112}$Sn and $^{124}$Sn+$^{124}$Sn collisions at 120 MeV/u are combined with double ratios to provide constraints on the density and momentum…

By involving the constraints of the slope of nuclear symmetry energy $L$ into the question of determination of the high-density symmetry energy, one needs to probe the curvature of nuclear symmetry energy $K_{\rm{sym}}$. Based on the…

Nuclear Theory · Physics 2019-07-30 Ya-Fei Guo , Gao-Chan Yong

We report precision determinations of the beam normal single spin asymmetries ($A_n$) in the elastic scattering of 0.95 and 2.18~GeV electrons off $^{12}$C, $^{40}$Ca, $^{48}$Ca, and $^{208}$Pb at very forward angles where the most detailed…

We have created quasiprojectiles of varying isospin via peripheral reactions of 28Si + 112Sn and 124Sn at 30 and 50 MeV/nucleon. The quasiprojectiles have been reconstructed from completely isotopically identified fragments. The difference…

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…

Nuclear Theory · Physics 2009-11-10 J. Rizzo , M. Colonna , M. Di Toro , V. Greco

We have measured the beam-normal single-spin asymmetry $A_n$ in the elastic scattering of 1-3 GeV transversely polarized electrons from $^1$H and for the first time from $^4$He, $^{12}$C, and $^{208}$Pb. For $^1$H, $^4$He and $^{12}$C, the…

Nuclear Experiment · Physics 2015-06-11 The HAPPEX , PREX Collaborations , : , S. Abrahamyan , A. Acha , A. Afanasev , Z. Ahmed , H. Albataineh , K. Aniol , D. S. Armstrong , W. Armstrong , J. Arrington , T. Averett , B. Babineau , S. L. Bailey , J. Barber , A. Barbieri , A. Beck , V. Bellini , R. Beminiwattha , H. Benaoum , J. Benesch , F. Benmokhtar , P. Bertin , T. Bielarski , W. Boeglin , P. Bosted , F. Butaru , E. Burtin , J. Cahoon , A. Camsonne , M. Canan , P. Carter , C. C. Chang , G. D. Cates , Y. C. Chao , C. Chen , J. P. Chen , Seonho Choi , E. Chudakov , E. Cisbani , B. Craver , F. Cusanno , M. M. Dalton , R. De Leo , K. de Jager , W. Deconinck , P. Decowski , D. Deepa , X. Deng , A. Deur , D. Dutta , A. Etile , C. Ferdi , R. J. Feuerbach , J. M. Finn , D. Flay , G. B. Franklin , M. Friend , S. Frullani , E. Fuchey , S. A. Fuchs , K. Fuoti , F. Garibaldi , E. Gasser , R. Gilman , A. Giusa , A. Glamazdin , L. E. Glesener , J. Gomez , M. Gorchtein , J. Grames , K. Grimm , C. Gu , O. Hansen , J. Hansknecht , O. Hen , D. W. Higinbotham , R. S. Holmes , T. Holmstrom , C. J. Horowitz , J. Hoskins , J. Huang , T. B. Humensky , C. E. Hyde , H. Ibrahim , F. Itard , C. M. Jen , E. Jensen , X. Jiang , G. Jin , S. Johnston , J. Katich , L. J. Kaufman , A. Kelleher , K. Kliakhandler , P. M. King , A. Kolarkar , S. Kowalski , E. Kuchina , K. S. Kumar , L. Lagamba , D. Lambert , P. LaViolette , J. Leacock , J. Leckey , J. H. Lee , J. J. LeRose , D. Lhuillier , R. Lindgren , N. Liyanage , N. Lubinsky , J. Mammei , F. Mammoliti , D. J. Margaziotis , P. Markowitz , M. Mazouz , K. McCormick , A. McCreary , D. McNulty , D. G. Meekins , L. Mercado , Z. E. Meziani , R. W. Michaels , M. Mihovilovic , B. Moffit , P. Monaghan , N. Muangma , C. Munoz-Camacho , S. Nanda , V. Nelyubin , D. Neyret , Nuruzzaman , Y. Oh , K. Otis , A. Palmer , D. Parno , K. D. Paschke , S. K. Phillips , M. Poelker , R. Pomatsalyuk , M. Posik , M. Potokar , K. Prok , A. J. R. Puckett , X. Qian , Y. Qiang , B. Quinn , A. Rakhman , P. E. Reimer , B. Reitz , S. Riordan , J. Roche , P. Rogan , G. Ron , G. Russo , K. Saenboonruang , A. Saha , B. Sawatzky , A. Shahinyan , R. Silwal , J. Singh , S. Sirca , K. Slifer , R. Snyder , P. Solvignon , P. A. Souder , M. L. Sperduto , R. Subedi , M. L. Stutzman , R. Suleiman , V. Sulkosky , C. M. Sutera , W. A. Tobias , W. Troth , G. M. Urciuoli , P. Ulmer , A. Vacheret , E. Voutier , B. Waidyawansa , D. Wang , K. Wang , J. Wexler , A. Whitbeck , R. Wilson , B. Wojtsekhowski , X. Yan , H. Yao , Y. Ye , Z. Ye , V. Yim , L. Zana , X. Zhan , J. Zhang , Y. Zhang , X. Zheng , V. Ziskin , P. Zhu

We study the effect of isospin degree of freedom on the balance energy (E$_{bal}$) as well as its mass dependence throughout the mass range 48-270 for two sets of isobaric systems with N/Z = 1 and 1.4 at different colliding geometries…

Nuclear Theory · Physics 2011-01-28 Sakshi Gautam , Aman D. Sood , Rajeev K. Puri , J. Aichelin

Background: In heavy ion collision at the Fermi energies Isospin equilibration processes occur- ring when nuclei with different charge/mass asymmetries interacts have been investigated to get information on the nucleon-nucleon Iso-vectorial…

A key question in the physics of unstable nuclei is the knowledge of the $EOS$ for asymmetric nuclear matter ($ANM$) away from normal conditions. We recall that the symmetry energy at low densities has important effects on the neutron skin…

Nuclear Theory · Physics 2017-08-23 M. Di Toro

An exactly solvable sp(4) algebraic approach extends beyond the traditional isospin conserving nuclear interaction to bring forward effects of isospin symmetry breaking and isospin mixing resulting from a two-body nuclear interaction that…

Nuclear Theory · Physics 2008-11-26 K. D. Sviratcheva , A. I. Georgieva , J. P. Draayer

Traditionally isospin violation (charge symmetry breaking and charge dependence) has been modeled by the exchange of mesons between two nucleons. Sources of isospin violation in these models include meson mass differences, meson mixing (of…

Nuclear Theory · Physics 2007-05-23 S. A. Coon
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