INTERNATIONAL JOURNAL OF MODERN PHYSICS E
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2007年
/
16卷
/
7-8期
关键词:
D O I:
10.1142/S0218301307007428
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:
The measurement of strangeness is a valuable tool for understanding the reaction mechanism of nuclear collisions since all the strange particles need to be created during the reaction. Also, strangeness enhancement is one of the predicted signals of the QGP. In the present work we will discuss the behaviour of the strangeness production (i.e. K/pi ratio) with rapidity and baryo-chemical potential in Au+Au collisions at 62.4 A GeV. In this particular reaction, BRAHMS is able to identify particles over 3.5 rapidity units and thereby cover a wide range of (p) over bar /p ratios, including the fragmentation region. We will show spectra and ratios of identified particles as a function of p(T) and rapidity.
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Jin, F.
Ma, Y. G.
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机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Ma, Y. G.
Ma, G. L.
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机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Ma, G. L.
Chen, J. H.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chen, J. H.
Zhang, S.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Zhang, S.
Cai, X. Z.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Cai, X. Z.
Huang, H. Z.
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h-index: 0
机构:
Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USAChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Huang, H. Z.
Tian, J.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Tian, J.
Zhong, C.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Zhong, C.
Zuo, J. X.
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h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China