Nuclear-nuclear collision centrality determination by the spectators calorimeter for the MPD setup at the NICA facility

被引:12
作者
Golubeva, M. B. [1 ]
Guber, F. F. [1 ]
Ivashkin, A. P. [1 ]
Isupov, A. Yu [2 ]
Kurepin, A. B. [1 ]
Litvinenko, A. G. [2 ]
Litvinenko, E. I. [2 ]
Migulina, I. I. [2 ]
Peresedov, V. F. [2 ]
机构
[1] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[2] Joint Inst Nucl Res, Dubna 141980, Moscow Oblast, Russia
基金
俄罗斯基础研究基金会;
关键词
QUARK-GLUON PLASMA; TARGET FRAGMENTATION; COLLABORATION; PERSPECTIVE; PROTONS; MODEL;
D O I
10.1134/S1063778812120046
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 work conditions of the hadron calorimeter for spectators registration (Zero Degree Calorimeter, ZDC) were studied for the heavy nuclei collisions with the several GeV invariant energy. The ZDC simulations were performed for the MPD (Multi-Purpose Detector) at the NICA (Nuclotron-based Ion Collider fAcility) collider, which are under developement at the Joint Institute for Nuclear Research (JINR, Dubna). Taking into account the spectator nuclear fragments leads to a nonmonotonic dependence of the ZDC response on the impact parameter. The reason for this dependence studied with several event generators is the primary beam hole in the ZDC center. It is shown, that the ZDC signal should be combined with a data from other MPD@NICA detector subsystems to determine centrality.
引用
收藏
页码:1 / 15
页数:15
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