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STUDIES OF HADRONIC EVENT STRUCTURE AND COMPARISONS WITH QCD MODELS AT THE Z(0) RESONANCE
L3 Collaboration
1992
发表期刊ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
卷号55期号:1页码:#REF!
通讯作者ADEVA, B (reprint author), CERN, CH-1211 GENEVA 23, SWITZERLAND.
文章类型Article
摘要The structure of hadronic events from Z0 decay is studied by measuring event shape variables, factorial moments, and the energy flow distribution. The distributions, after Correction for detector effects and initial and final state radiation, are compared with the predictions of different QCD Monte Carlo programs with optimized parameter values. These Monte Carlo programs use either the second order matrix element or the parton shower evolution for the perturbative QCD calculations and use the string, the cluster, or the independent fragmentation model for hadronization. Both parton shower and O(alpha(s)2) matrix element based models with string fragmentation describe the data well. The predictions of the model based on parton shower and cluster fragmentation are also in good agreement with the data. The model with independent fragmentation gives a poor description of the energy flow distribution. The predicted energy evolutions for the mean values of thrust, sphericity, aplanarity, and charge multiplicity are compared with the data measured at different center-of-mass energies. The parton shower based models with string or cluster fragmentation are found to describe the energy dependences well while the model based on the O(alpha(s)2) calculation falls to reproduce the energy dependences of these mean values.
学科领域Physics
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:A1992JE65900004
引用统计
被引频次:119[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/311005/225671
专题粒子天体物理中心
推荐引用方式
GB/T 7714
L3 Collaboration. STUDIES OF HADRONIC EVENT STRUCTURE AND COMPARISONS WITH QCD MODELS AT THE Z(0) RESONANCE[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,1992,55(1):#REF!.
APA L3 Collaboration.(1992).STUDIES OF HADRONIC EVENT STRUCTURE AND COMPARISONS WITH QCD MODELS AT THE Z(0) RESONANCE.ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,55(1),#REF!.
MLA L3 Collaboration."STUDIES OF HADRONIC EVENT STRUCTURE AND COMPARISONS WITH QCD MODELS AT THE Z(0) RESONANCE".ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 55.1(1992):#REF!.
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