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Erlangen 2001 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 10: Postersitzung: Theorie

HK 10.16: Poster

Tuesday, March 20, 2001, 10:30–12:45, R

Squeezing mode in nuclear collisions — •K. Morawetz1,2 and Pavel Lipavský31Max-Planck-Institute for the Physics of Complex Systems, Noethnitzer Str. 38, 01187 Dresden, Germany — 2LPC-ISMRA, Bld Marechal Juin, 14050 Caen, France — 3Institute of Physics, Academy of Sciences, Cukrovarnická 10, 16200 Praha 6, Czech Republic

The time dependent Schroedinger equation is solved analytically for a simplified model of moving infinite walls. A new knock-out mode is described which might occur during heavy ion collisions. The outer shell-nucleons are ionized due to the increase of level energy when two nuclei are approaching fast enough. This is analogous to the Mott effect but in contrast occurs only if the reaction time is short enough that no common ionization threshold in the compound system is established. To demonstrate this pure nonequilibrium effect a simulation of realistic heavy ion collision by a nonlocal Boltzmann equation is performed.
Phys. Rev. Lett., nucl-th/0011009: Squeezing mode in nuclear collisions, K. Morawetz, P. Lipavský

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