Relevant bibliographies by topics / Isospin diffusion

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Isospin diffusion'

Author: Grafiati
Published: 10 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Isospin diffusion"

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Mallik, S., F. Gulminelli, and D. Gruyer. "Constraining the density dependence of the symmetry energy: the isospin transport ratio revisited." Journal of Physics G: Nuclear and Particle Physics 49, no. 1 (2021): 015102. http://dx.doi.org/10.1088/1361-6471/ac3473.

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Abstract The isospin diffusion of the quasi-projectile formed in the Ni 64 , 58 on Ni 64 , 58 reactions in the Fermi energy domain is investigated in the framework of the Boltzmann–Uehling–Uhlenbeck transport model. The well known isospin transport ratio observable is revisited, with the aim of insuring an optimal comparison between experimental data and theoretical calculations and reducing the present uncertainties in the extraction of empirical equation of state parameters. We show that isospin transport ratios are sensitive to all the low order isovector parameters (E sym, L sym and K sym,
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TSANG, M. B., YINGXUN ZHANG, P. DANIELEWICZ, et al. "CONSTRAINTS ON THE DENSITY DEPENDENCE OF THE SYMMETRY ENERGY." International Journal of Modern Physics E 19, no. 08n09 (2010): 1631–38. http://dx.doi.org/10.1142/s0218301310016041.

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Collisions involving 112 Sn and 124 Sn nuclei have been calculated with the ImQMD transport model in order to place constraints on the density dependences of the nuclear symmetry energy. Consistent constraints on the symmetry energy at sub-saturation density have been obtained by comparing these transport calculations to measurements of isospin diffusion and to the ratios of neutron and proton spectra. New isospin diffusion results from E/A = 35 MeV are also presented.
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Tsang, Betty. "Isospin diffusion in heavy ion collisions." Nuclear Physics A 734 (April 2004): 605–8. http://dx.doi.org/10.1016/j.nuclphysa.2004.01.112.

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Tsang, Betty, and Lijun Shi. "Isospin diffusion in heavy ion collisions." Nuclear Physics A 738 (June 2004): 115–21. http://dx.doi.org/10.1016/j.nuclphysa.2004.04.019.

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GALICHET, E., M. F. RIVET, B. BORDERIE, et al. "THE ISOSPIN DIFFUSION IN 58Ni-INDUCED REACTIONS AT INTERMEDIATE ENERGIES." International Journal of Modern Physics E 19, no. 08n09 (2010): 1534–44. http://dx.doi.org/10.1142/s021830131001593x.

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Isospin diffusion is probed as a function of the dissipated energy by studying two systems 58 Ni +58 Ni and 58 Ni +197 Au , over the incident energy range 52-74A MeV. Experimental data are compared with the results of a microscopic transport model with two different parameterizations of the symmetry energy term. A better overall agreement between data and simulations is obtained when using a symmetry term with a potential part linearly increasing with nuclear density. The isospin equilibration time at 52 A MeV is estimated to 130 ± 10 fm/c.
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Ciampi, C., S. Piantelli, G. Casini, et al. "Nuclear symmetry energy at work in heavy ion reactions: new results from the INDRA-FAZIA apparatus." Journal of Physics: Conference Series 2586, no. 1 (2023): 012039. http://dx.doi.org/10.1088/1742-6596/2586/1/012039.

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Abstract The recently coupled INDRA-FAZIA apparatus offers unique opportunities to investigate heavy ion collisions at Fermi energies by combining the optimal identification capabilities of FAZIA and the large angular coverage of INDRA. We present a selection of the results of the analysis of the first experimental campaign performed with INDRA-FAZIA, in which the four reactions 58,64Ni+58,64Ni have been studied at two different beam energies (32 and 52 MeV/nucleon) in the intermediate energy regime. The present work is focused on the isospin diffusion effects in semiperipheral and peripheral
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ZHANG, YINGXUN, M. B. TSANG, ZHUXIA LI, P. DANIELEWICZ, W. G. LYNCH, and XIAOHUA LU. "PROBING THE DENSITY DEPENDENCE OF SYMMETRY ENERGY AT SUBSATURATION DENSITY WITH HICs." International Journal of Modern Physics E 19, no. 08n09 (2010): 1639–46. http://dx.doi.org/10.1142/s0218301310016053.

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The reaction mechanism of the central collisions and peripheral collisions for 112,124 Sn + 112,124 Sn at E/A = 50 MeV is investigated within the framework of the Improved Quantum Molecular Dynamics model. The results show that multifragmentation process is an important mechanism at this energy region, and the influence of the cluster emission on the double n / p ratios and the isospin transport ratio is important. Furthermore, three observables, double n / p ratios, isospin diffusion and the rapidity distribution of the ratio R7 for 112,124 Sn +112,124 Sn at E/A = 50 MeV are analyzed with the
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8

CHEN, LIE-WEN, CHE MING KO, and BAO-AN LI. "CONSTRAINING THE SKYRME EFFECTIVE INTERACTIONS AND THE NEUTRON SKIN THICKNESS OF NUCLEI USING ISOSPIN DIFFUSION DATA FROM HEAVY ION COLLISIONS." International Journal of Modern Physics E 15, no. 07 (2006): 1385–95. http://dx.doi.org/10.1142/s0218301306004946.

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Recent analysis of the isospin diffusion data from heavy-ion collisions based on an isospin- and momentum-dependent transport model with in-medium nucleon-nucleon cross sections has led to the extraction of a value of L = 88 ± 25 MeV for the slope of the nuclear symmetry energy at saturation density. This imposes stringent constraints on both the parameters in the Skyrme effective interactions and the neutron skin thickness of heavy nuclei. Among the 21 sets of Skyrme interactions commonly used in nuclear structure studies, the 4 sets SIV, SV, Gσ, and Rσ are found to give L values that are con
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SCHMIDT, K. E., A. SARSA, and S. FANTONI. "A CONSTRAINED PATH MONTE CARLO METHOD FOR NUCLEON SYSTEMS." International Journal of Modern Physics B 15, no. 10n11 (2001): 1510–18. http://dx.doi.org/10.1142/s0217979201005994.

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By combining diffusion Monte Carlo for the spatial degrees of freedom and auxiliary field Monte Carlo to separate the spin-isospin operators, we can solve for the ground state of many-nucleon systems. We use a path constraint to control the fermion sign problem and apply the method to neutron systems interacting with the Argonne v′8 two nucleon potential and the Urbana IX three-nucleon potential. We compare our results with fermion hypernetted chain calculations.
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XU, JUN, CHE MING KO, LIE-WEN CHEN, BAO-AN LI, and HONG-RU MA. "TRANSITION DENSITY AND PRESSURE AT THE INNER EDGE OF NEUTRON STAR CRUSTS." International Journal of Modern Physics E 19, no. 08n09 (2010): 1705–11. http://dx.doi.org/10.1142/s0218301310016120.

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Using the nuclear symmetry energy that has been recently constrained by the isospin diffusion data in intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge of neutron star crusts, and they are found to be 0.040 fm -3 ≤ ρt ≤ 0.065 fm -3 and 0.01 MeV / fm 3 ≤ Pt ≤ 0.26 MeV / fm 3, respectively, in both the dynamical and thermodynamical approaches. We have also found that the widely used parabolic approximation to the equation of state of asymmetric nuclear matter gives significantly higher values of core-crust transition density and press
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Dissertations / Theses on the topic "Isospin diffusion"

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Ciampi, Caterina. "Study of quasiprojectile breakup in semiperipheral collisions of 64,58Ni+64,58Ni at 32AMeV and 52AMeV with the INDRA-FAZIA apparatus." Doctoral thesis, 2022. http://hdl.handle.net/2158/1265909.

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Heavy-ion collisions in the Fermi energy regime have been widely employed to probe the properties of nuclear matter far from equilibrium conditions. More specifically, they allow to investigate various phenomena (e.g. isospin transport phenomena) that can be interpreted in the framework of the Nuclear Equation of State (NEoS), which describes the properties of nuclear matter in terms of thermodynamic variables such as temperature, pressure, density. In particular, this work is focused on semiperipheral and peripheral collisions, for which a binary output channel is the most probable result, ch
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