A STUDY OF BOSE-EINSTEIN CORRELATIONS IN E+E- ANNIHILATION AT 91 GEV
ALEPH Collaboration
刊名ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
1992
卷号54期号:1页码:#REF!
学科分类Physics
通讯作者DECAMP, D (reprint author), CNRS,PHYS PARTICULES LAB,IN2P3,F-74019 ANNECY LE VIEUX,FRANCE.
文章类型Article
英文摘要This paper describes a study of Bose-Einstein correlations made using the ALEPH detector at LEP. The correlations are found to enhance the two particle differential cross section for pairs of identical pions by a factor which can be roughly parametrized by R(Q) = 1 + lambda exp(-Q2-sigma(2)), where Q is the difference in the 3-momenta of the two pions in their centre of mass frame, lambda = 0.51 +/- 0.04 +/- 0.11 and sigma = 3.3 +/- 0.2 +/- 0.8 GeV-1, which corresponds to a source size of 0.65 +/- 0.04 +/- 0.16 fm. The large systematic errors on these results reflect their strong dependence on the choice of the reference sample used in the analysis. This problem is believed to occur primarily because of uncertainties in the rates of resonance production and a lack of knowledge about the pion-pion strong interaction. No significant correlations are seen amongst like-charged pion-kaon pairs.
类目[WOS]Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:A1992HP40800007
引用统计
被引频次:90[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225964
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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ALEPH Collaboration. A STUDY OF BOSE-EINSTEIN CORRELATIONS IN E+E- ANNIHILATION AT 91 GEV[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,1992,54(1):#REF!.
APA ALEPH Collaboration.(1992).A STUDY OF BOSE-EINSTEIN CORRELATIONS IN E+E- ANNIHILATION AT 91 GEV.ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,54(1),#REF!.
MLA ALEPH Collaboration."A STUDY OF BOSE-EINSTEIN CORRELATIONS IN E+E- ANNIHILATION AT 91 GEV".ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 54.1(1992):#REF!.
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