Clustering and Symmetry Energy in a Low Density Nuclear Gas

S. Kowalski, J. B. Natowitz, S. Shlomo, R. Wada, K. Hagel, J. Wang, T. Materna, Z. Chen, Y. G. Ma, L. Qin, A. S. Botvina, D. Fabris, M. Lunardon, S. Moretto, G. Nebbia, S. Pesente, V. Rizzi, G. Viesti, M. Cinausero, G. PreteT. Keutgen, Y. El Masri, Z. Majka, A. Ono

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Abstract

Temperature and density dependent symmetry energy coefficients have been derived from isoscaling analyses of the yields of nuclei with A ≤ 4 in the reactions of 35AMeV 64Zn projectiles with 92Mo and 197Au target nuclei. The symmetry energies at low density are larger than those obtained in mean field calculations, reflecting the clustering of low density nuclear matter. They are in quite good agreement with results of a recently proposed Virial Equation of State calculation.

Original languageEnglish
Pages (from-to)619-626
Number of pages8
JournalNuclear Physics A
Volume787
Issue number1-4 SPEC. ISS.
DOIs
Publication statusPublished - 2007 May 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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  • Cite this

    Kowalski, S., Natowitz, J. B., Shlomo, S., Wada, R., Hagel, K., Wang, J., Materna, T., Chen, Z., Ma, Y. G., Qin, L., Botvina, A. S., Fabris, D., Lunardon, M., Moretto, S., Nebbia, G., Pesente, S., Rizzi, V., Viesti, G., Cinausero, M., ... Ono, A. (2007). Clustering and Symmetry Energy in a Low Density Nuclear Gas. Nuclear Physics A, 787(1-4 SPEC. ISS.), 619-626. https://doi.org/10.1016/j.nuclphysa.2006.12.092