Isospin fractionation and isoscaling in dynamical nuclear collisions

Akira Ono; P. Danielewicz; W. A. Friedman; W. G. Lynch; M. B. Tsang

doi:10.1016/j.nuclphysa.2004.04.051

Isospin fractionation and isoscaling in dynamical nuclear collisions

Akira Ono, P. Danielewicz, W. A. Friedman, W. G. Lynch, M. B. Tsang

SCI - Physics

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Isospin fractionation and isoscaling are found to hold for isotopes from nuclear collisions simulated within the antisymmetrized molecular dynamics model. The observed linear relation between the isoscaling parameter and the fragment isospin asymmetry (Z/A ² of the liquid corroborates, in particular, the applicability of statistical considerations to the dynamical fragment emission. The relation allows to access the symmetry energy at the density and temperature of the fragmentation. The surface term of the extracted symmetry energy is small compared to that of the ground state symmetry energy.

Original language	English
Pages (from-to)	308-312
Number of pages	5
Journal	Nuclear Physics A
Volume	738
Issue number	1-4 SUPPL.
DOIs	https://doi.org/10.1016/j.nuclphysa.2004.04.051
Publication status	Published - 2004 Jun 28

ASJC Scopus subject areas

Nuclear and High Energy Physics

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abstract = "Isospin fractionation and isoscaling are found to hold for isotopes from nuclear collisions simulated within the antisymmetrized molecular dynamics model. The observed linear relation between the isoscaling parameter and the fragment isospin asymmetry (Z/A 2 of the liquid corroborates, in particular, the applicability of statistical considerations to the dynamical fragment emission. The relation allows to access the symmetry energy at the density and temperature of the fragmentation. The surface term of the extracted symmetry energy is small compared to that of the ground state symmetry energy.",

author = "Akira Ono and P. Danielewicz and Friedman, {W. A.} and Lynch, {W. G.} and Tsang, {M. B.}",

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AU - Ono, Akira

AU - Danielewicz, P.

AU - Friedman, W. A.

AU - Lynch, W. G.

AU - Tsang, M. B.

PY - 2004/6/28

Y1 - 2004/6/28

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AB - Isospin fractionation and isoscaling are found to hold for isotopes from nuclear collisions simulated within the antisymmetrized molecular dynamics model. The observed linear relation between the isoscaling parameter and the fragment isospin asymmetry (Z/A 2 of the liquid corroborates, in particular, the applicability of statistical considerations to the dynamical fragment emission. The relation allows to access the symmetry energy at the density and temperature of the fragmentation. The surface term of the extracted symmetry energy is small compared to that of the ground state symmetry energy.

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EP - 312

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