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Related papers: Isospin fluctuations in spinodal decomposition

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The fluctuations of the largest fragment charge of a partition and of the charge asymmetries of the two or three largest fragments in spectator decays following 197Au + 197Au collisions at 1000 MeV per nucleon are investigated. The observed…

Nuclear Experiment · Physics 2007-05-23 W. Trautmann , the ALADIN Collaboration

The density and temperature dependence of the nuclear symmetry free energy is investigated using microscopic two- and three-body nuclear potentials constructed from chiral effective field theory. The nuclear force models and many-body…

Nuclear Theory · Physics 2016-03-23 Corbinian Wellenhofer , Jeremy W. Holt , Norbert Kaiser

Langevin equation is used to simulate the fission process of $^{112}$Sn + $^{112}$Sn and $^{116}$Sn + $^{116}$Sn. The mass distribution of the fission fragments are given by assuming the process of symmetric fission or asymmetric fission…

Nuclear Theory · Physics 2008-11-26 K. Wang , Y. G. Ma , Y. B. Wei , X. Z. Cai , J. G. Chen , D. Q. Fang , W. Guo , G. L. Ma , W. Q. Shen , W. D. Tian , C. Zhong , X. F. Zhou

The isotopic and isotonic distributions of the projectile fragmentation products have been simulated by a modified statistical abrasion-ablation (SAA) model and the isoscaling behavior of projectile-like fragments has been discussed. The…

Dynamical symmetry breaking in an expanding nuclear system is investigated in semi-classical and quantum framework by employing a collective transport model which is constructed to mimic the collective behavior of expanding systems. It is…

Nuclear Theory · Physics 2009-10-31 W. Wen , P. Chau Huu-Tai , D. Lacroix , Ph. Chomaz , S. Ayik

Charge and isospin event-by-event fluctuations in high-energy pp-collisions are predicted within the Unitary Eikonal Model ({\bf UEM}), in particular the fluctuation patterns of the ratios of charged-to-charged and neutral-to-charged pions.…

Nuclear Theory · Physics 2007-05-23 Vesna Mikuta-Martinis

We employ an isospin dependent version of the QMD transport model to study the influence of the isospin dependent part of the nuclear matter equation of state and in-medium nucleon-nucleon cross-sections on the dynamics of heavy-ion…

Nuclear Theory · Physics 2011-09-23 M. D. Cozma

Density fluctuations resulting from spinodal decomposition in a non-equilibrium first-order chiral phase transition are explored. We show that such instabilities generate divergent fluctuations of conserved charges along the isothermal…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Sasaki , B. Friman , K. Redlich

The latest experimental data on nuclei at $^{132}$Sn permit us for the first time to determine the spin-orbit splittings of neutrons and protons in identical orbits in this neutron-rich doubly-magic region and compare the case to that of…

Nuclear Theory · Physics 2007-05-23 V. I. Isakov , K. I. Erokhina , H. Mach , M. Sanchez-Vega , B. Fogelberg

The fragmentation of projectile and spectator is studied at the different incident energies using isospin dependent QMD model with reduced isospin dependent cross-section. Different systems have been used for the analysis of fragment…

Nuclear Theory · Physics 2012-01-10 Karan Singh Vinayak , Mohinder Singh , Suneel Kumar

The density dependence of the symmetry energy in the equation of state of isospin asymmetric nuclear matter is of significant importance for studying the structure of systems as diverse as the neutron-rich nuclei and the neutron stars. A…

Nuclear Experiment · Physics 2014-11-18 D. V. Shetty , S. J. Yennello , G. A. Souliotis

We study the amplitude for the spin-dependent WIMP scattering off nuclei by including the leading long-range two-body currents in the most important isovector contribution. We show that such effects are essentially independent of the target…

High Energy Physics - Phenomenology · Physics 2013-01-09 P. C. Divari , J. D. Vergados

New liquid drop model with the isospin-square dependence of the volume and surface energy terms is applied to reproduce experimentally known masses of nuclei with number of protons and neutrons larger or equal to twenty. The ground-state…

Nuclear Theory · Physics 2025-04-24 Krzysztof Pomorski , Zhigang Xiao

Asymmetric nuclear matter at sub-saturation densities is shown to present only one type of instabilities. The associated order parameter is dominated by the isoscalar density and so the transition is of liquid-gas type. The instability goes…

Nuclear Theory · Physics 2009-11-07 J. Margueron , P. Chomaz

On the occasion of the $75^{th}$ anniversary of the fission phenomenon, we present a surprisingly simple result which highlights the important role of isospin and its conservation in neutron rich fission fragments. We have analysed the…

Nuclear Theory · Physics 2014-08-12 Ashok Kumar Jain , Deepika Choudhury , Bhoomika Maheshwari

In nuclear collisions induced by stable or radioactive neutron-rich nuclei a transient state of nuclear matter with an appreciable isospin asymmetry as well as thermal and compressional excitation can be created. This offers the possibility…

Nuclear Theory · Physics 2015-06-26 Bao-An Li , Che Ming Ko , Wolfgang Bauer

Within the framework of an isospin and momentum dependent transport model, the emissions of isospin particles (nucleons and light clusters) squeezed out in heavy-ion collisions are investigated as probes of the poorly known symmetry energy…

Nuclear Theory · Physics 2015-05-30 Zhao-Qing Feng

The concept of freeze out volume used in many statistical approaches for disassembly of hot nuclei leads to ambiguities. The fragmentation pattern and the momentum distribution (temperature) of the emanated fragments are determined by the…

Nuclear Theory · Physics 2009-11-10 S. K. Samaddar , J. N. De , A. Bonasera

In this article we investigate the structure of the non-local part of the symmetry term, that leads to a splitting of the effective masses of protons and neutrons in asymmetric matter. Based on microscopic transport simulations we suggest…

Nuclear Theory · Physics 2013-05-29 J. Rizzo , M. Colonna , M. Di Toro