NEAR-THRESHOLD PARTICLE-PRODUCTION IN HEAVY-ION COLLISIONS

被引：0
|
作者：
METAG, V
机构：
来源：
NUCLEAR PHYSICS A | 1993年 / 553卷
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Recent results on pi0, pi+/-, eta, K+/- and pBAR-production obtained at SIS are summarized. Systematics for particle spectra and production probabilities have been established. The subthreshold production of eta, K+ and pBAR has been observed and the importance of multi-step production processes is emphasized. At bombarding energies of 1-2 GeV/u there is evidence for a gradual transition to resonance matter with about 30% of the baryons excited to DELTA,N* resonances corresponding to a density rho(N*,DELTA) almost-equal-to rho0. The future perspectives of the field, in particular the potential of dilepton emission in heavy ion collisions is outlined.
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页码：C283 / C294
页数：12
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