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Transverse momentum correlations in hadronic Z decays
ALEPH Collaboration
1997
发表期刊ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
卷号73期号:3页码:#REF!
通讯作者Buskulic, D (reprint author), INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, PHYS PARTICULES LAB, F-74019 ANNECY LE VIEUX, FRANCE.
摘要Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be explained by energy-momentum conservation, flavour conservation, the imposition of an event axis or imperfect event reconstruction. Two possible interpretations based on existing Monte Carlo models are examined: a) ARIADNE, with the correlation forming early in the parton shower and with the transition from partons to hadrons playing only a minor part; b) JETSET, with the correlation forming at the fragmentation stage. A correlation technique based on a jet cluster analysis is used to make a comparison of the models with the data. It is concluded that both non-perturbative and perturbative effects make important contributions to the observed correlation.
文章类型Article
学科领域Physics
DOI10.1007/s002880050331
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:A1997WL97000004
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227636
专题实验物理中心
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ALEPH Collaboration. Transverse momentum correlations in hadronic Z decays[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,1997,73(3):#REF!.
APA ALEPH Collaboration.(1997).Transverse momentum correlations in hadronic Z decays.ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,73(3),#REF!.
MLA ALEPH Collaboration."Transverse momentum correlations in hadronic Z decays".ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 73.3(1997):#REF!.
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