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Probing nuclear compressibility via fragmentation in Au+Au reactions at 35 AMeV

Abstract : The molecular dynamics study of fragmentation in peripheral $^{197}$Au +$^{197}$Au collisions at 35 MeV/nucleon is presented to probe the nuclear matter compressibility in low density regime. The yields of different fragment species, rapidity spectra, and multiplicities of charged particles with charge $3\leq Z \leq 80$ are analyzed at different peripheral geometries employing a soft and a hard equations of state. Fragment productions is found to be quite insensitive towards the choice of nucleon-nucleon cross sections allowing us to constrain nuclear matter compressibility. Comparison of calculated charged particle multiplicities with the experimental data indicates preference for the \emph{soft} nature of nuclear matter.
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http://hal.in2p3.fr/in2p3-00677703
Contributor : Dominique Girod <>
Submitted on : Friday, March 9, 2012 - 11:43:53 AM
Last modification on : Thursday, August 27, 2020 - 12:46:03 PM

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  • HAL Id : in2p3-00677703, version 1
  • ARXIV : 1009.4518

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Y.K. Vermani, R. Chugh, A.D. Sood. Probing nuclear compressibility via fragmentation in Au+Au reactions at 35 AMeV. Ukrainian Journal of Physics, Department of Physics and Astronomy of the National Academy of Sciences of Ukraine, 2010, 55 (10), pp.1071. ⟨in2p3-00677703⟩

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