Pion-source geometry deduced from soft-pion interferometry in heavy-ion collisions at 650 A MeV期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Pion-source geometry deduced from soft-pion interferometry in heavy-ion collisions at 650 A MeV

Authors:	R. Bock K. G. R. Doss H. H. Gutbrod K. -H. Kampert B. Kolb I. Lund H. R. Schmidt T. Siemiarczuk W. Wiślicki

Affiliation:	1. Gesellschaft für Schwerionenforschung Darmstadt, Postfach 110552, W-6100, Darmstadt, Germany 2. Lawrence Berkeley Laboratory, 94720, Berkeley, CA, USA 3. Institut für Kernphysik, Universit?t Münster, Wilhelm-Klemm-Strasse 9, W-4400, Münster, Germany 4. Institute for Nuclear Studies, Warsaw, Poland

Abstract:	We report transverse,R_T, and longitudinal,R_L, source sizes extracted from two-pion interferometry analysis in the Au+Au and Nb + Nb interactions at 650 A MeV. For the Nb+Nb interactions, both,R_T andR_L, do not exceed the niobium nucleus radius. In the case of Au+Au collisions, the transverse size is larger than the longitudinal one being about 12 fm for the selection ofP⁺ < 120=" mev/c.=" we=" also=" corroborate=" the=" existence=" of=" the=" previously=" reported=" specific=" three-pion=">One of us (T.S.) wishes to thank Professor M.I. Podgoretsky and Professor R.M. Weiner for interesting discussions and comments. We also wish to acknowledge remarks of Dr. B. Lörstad.

Keywords:	PACS 25.70
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