Cross sections of neutron-rich nuclei from projectile fragmentation: Canonical thermodynamic model estimates

G. Chaudhuri, S. Das Gupta, W. G. Lynch, M. Mocko, and M. B. Tsang

Phys. Rev. C 76, 067601 – Published 13 December 2007

Abstract

A remarkably simple dependence of fragmentation cross section on average binding energy has been established in experimental data. This dependence was empirically parametrized leading to a very useful formula for extrapolation. We find that the canonical thermodynamic model, which has been used in the past for successful computations of many observables resulting from multifragmentation, reproduces the salient features of fragmentation cross sections of very neutron-rich nuclei very well. This contributes to a theoretical understanding of the observed data.

Received 4 July 2007

DOI:https://doi.org/10.1103/PhysRevC.76.067601

Authors & Affiliations

G. Chaudhuri^1,*,†, S. Das Gupta¹, W. G. Lynch², M. Mocko², and M. B. Tsang²

¹Physics Department, McGill University, Montréal, Canada H3A 2T8
²National Superconducting Cyclotron Laboratory, Physics & Astronomy Department, Michigan State University, East Lansing, Michigan 48824, USA

^*gargi@physics.mcgill.ca
^†On leave from Variable Energy Cyclotron Center, 1/AF Bidhan Nagar, Kolkata 700064, India.

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Vol. 76, Iss. 6 — December 2007

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Physical Review C

covering nuclear physics