Nuclear multifragmentation induced by electromagnetic fields of ultrarelativistic heavy ions

Abstract

We study the disintegration of nuclei by strong electromagnetic fields induced by ultrarelativistic heavy ions. The proposed multi-step model includes 1) the absorption of a virtual photon by a nucleus, 2) intranuclear cascades of produced hadrons and 3) statistical decay of the excited residual nucleus. The combined model describes well existing data on projectile fragmentation at energy 200 GeV per nucleon. Electromagnetic multifragmentation of nuclei is predicted to be an important reaction mechanism at RHIC and LHC energies.

18 LaTeX pages including 4 figures, uses epsf.sty. Submitted to Phys.Rev. C

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