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Sensitivity of nucleus-nucleus cross sections and atomic-electron effects in dissipative heavy-Ion collisions
Kun1
1Department of Theoretical Physics, RSPhysSE, IAS, The Australian National University, Canberra ACT 0200, Australia and and MPI fur Kernphysik, Heidelberg D-69029, Germany.
Physical Review Letters
|October 4, 2000
Abstract:
We argue that spontaneous microchannel S-matrix correlations and slow spin decoherence result in a sensitivity of the cross sections for strongly dissipative heavy-ion collisions to an arbitrarily small perturbation. Such a sensitivity implies that atomic electrons should influence energetic ( approximately 100 MeV) heavy-ion reactions. The atomic-electron effects are predicted to be approximately 100% of the magnitude of the non-self-averaged oscillating component of the nucleus-nucleus cross sections.