Formation of hypernuclei in heavy-ion collisions around the threshold energies

被引:36
作者
Botvina, A. S. [1 ,2 ,3 ]
Gudima, K. K. [1 ,2 ,4 ]
Steinheimer, J. [1 ,2 ]
Bleicher, M. [1 ,2 ]
Pochodzalla, J. [5 ,6 ]
机构
[1] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, D-60438 Frankfurt, Germany
[2] Goethe Univ Frankfurt, ITP, D-60438 Frankfurt, Germany
[3] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[4] Moldavian Acad Sci, Inst Appl Phys, MD-2028 Kishinev, Moldova
[5] J Gutenberg Univ Mainz, Helmholtz Inst Mainz, D-55099 Mainz, Germany
[6] J Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany
来源
PHYSICAL REVIEW C | 2017年 / 95卷 / 01期
基金
欧盟第七框架计划;
关键词
NUCLEAR-EQUATION; STRANGENESS; PROJECT; PHYSICS; STATE;
D O I
10.1103/PhysRevC.95.014902
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
In relativistic ion collisions there are excellent opportunities to produce and investigate hypernuclei. We have systematically studied the formation of hypernuclear spectator residues in peripheral heavy-ion collisions with the transport DCM and UrQMD models. The hyperon capture was calculated within the potential and coalescence approaches. We demonstrate that even at the beam energies around and lower than the threshold for producing Lambda hyperons in binary nucleon-nucleon interactions a considerable amount of hypernuclei, including multistrange ones, can be produced. This is important for preparation of new experiments on hypernuclei in the wide energy range. The uncertainties of the predictions are investigated within the models, and the comparison with the strangeness production measured in experiments is also performed.
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页数:10
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