| A Monte Carlo Study on the Identification of Quark and Gluon Jets |
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| 作者姓名： | 喻梅凌 刘连寿 |
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| 作者单位： | InstituteofParticlePhysics,HuazhongNormalUniversity,Wuhan430079 |
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| 摘 要： | Three-jet events in e^ e^- collisions at 91.2 GeV are investigated using both HERWIG and JETSET Monte Carlo generators.The angles among the three jets are used to identify the quark and gluon jets.An analysis at the parton level is carried out to ensure the reasonableness of this method and an angular cut is utilized to improve the purity of this identification.The multiplicity inside the identified quark or gluon jets agrees with the quantum chromodynamic predictions qualitatively.
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| 关 键 词： | 量子色动力学 夸克－胶子喷法 Monte Carle研究 |
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