Nuclear Theory
[Submitted on 25 Nov 2013 (v1), last revised 12 May 2014 (this version, v2)]
Title:Extended Glauber Model of Antiproton-Nucleus Annihilation for All Energies and Mass Numbers
View PDFAbstract:Previous analytical formulas in the Glauber model for high-energy nucleus-nucleus collisions developed by Wong are utilized and extended to study antiproton-nucleus annihilations for both high and low energies, after taking into account the effects of Coulomb and nuclear interactions, and the change of the antiproton momentum inside a nucleus. The extended analytical formulas capture the main features of the experimental antiproton-nucleus annihilation cross sections for all energies and mass numbers. At high antiproton energies, they exhibit the granular property for the lightest nuclei and the black-disk limit for the heavy nuclei. At low antiproton energies, they display the effect of the antiproton momentum increase due to the nuclear interaction for the light nuclei, and the effect of the magnification due to the attractive Coulomb interaction for the heavy nuclei.
Submission history
From: Cheuk-Yin Wong [view email][v1] Mon, 25 Nov 2013 00:13:14 UTC (65 KB)
[v2] Mon, 12 May 2014 14:13:37 UTC (66 KB)
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