One and two-dimensional analysis of 3π correlations measured in Pb+Pb interactions
One and two-dimensional analysis of 3π correlations measured in Pb+Pb interactions
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DOI：
10.1016/s0370-2693(01)00978-9
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发表时间：
2001-09
影响因子：
4.4
通讯作者：
I. Bearden;H. Boggild;J. Boissevain;P. Christiansen;L. Conin;J. Dodd;B. Erazmus;S. Esumi;
中科院分区：
文献类型：
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作者：
I. Bearden;H. Boggild;J. Boissevain;P. Christiansen;L. Conin;J. Dodd;B. Erazmus;S. Esumi;
本文给出了用CERN NA 44实验聚焦谱仪测量的Pb+Pb碰撞的π−关联。Pb+Pb的三体效应强于S+Pb。测量了二维三粒子关联函数，发现源的纵向延伸大于横向延伸。
π−π−π−correlations from Pb+Pb collisions at 158 GeV/c per nucleon are presented as measured by the focusing spectrometer of the NA44 experiment at CERN. The three-body effect is found to be stronger for Pb+Pb than for S+Pb. The two-dimensional three-particle correlation function is also measured and the longitudinal extension of the source is larger than the transverse extension.