Bose-Einstein correlations in DIS at HERA

被引：0
|
作者：
Zawiejski, L [1 ]
机构：
[1] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
ACTA PHYSICA POLONICA B | 2004年 / 35卷 / 01期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Bose-Einstein correlations of identical charged pions are studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA. In one-dimensional analysis the radius of the particle production source and the correlation strength are independent of the exchanged photon virtuality Q(2) in the range between 0.1 and 8000 GeV2. No significant difference was found between the correlations measured in the target and current region of the Breit frame for Q(2) > 100 GeV2. The result indicates insensitivity of the radius of the source to the underlying hard process. Two-dimensional analysis performed in the Longitudinally CoMoving System indicates an elongated shape of the source.
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页码：63 / 68
页数：6
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