Particle correlation in p+p collision √s<SUB>NN</SUB>=200 GeV in PYTHIA

ZUO Jia-Xu; SORENSEN Paul; CAI Xiang-Zhou; HEINZ Mark; MA Yu-Gang

Chinese Physics C> 2008, Vol. 32> Issue(S2) : 13-16

Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA

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We calculated the relative abundances of charge hadron, K_S⁰, Λ and Λ in the near-side and away-side cones correlated with triggered high p_T particles in minimum bias in p+p collisions at √s_NN=200 GeV in the PYTHIA model. From the quark and gluon jet events in the PYTHIA model, we have found that the particle yields' different splitting. So the di-hadron correlation in the quark jet events and gluon jet events are also presented. And the particle charge dependance of the di-hadron correlation is extracted from the PYTHIA model. The di-hadron plus and di-hadron minus correlations are similar in the near-side (Δφ~0), but in the away-side, the di-hadron minus correlation seems to be lower. The Hadron-K_S⁰ and －Λ+Λ correlations seem to be differet. We have used a double-Gaussian function to fit those correlation functions and compared the fit parameters.

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ZUO Jia-Xu, SORENSEN Paul, CAI Xiang-Zhou, HEINZ Mark and MA Yu-Gang. Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA[J]. Chinese Physics C, 2008, 32(S2): 13-16.

ZUO Jia-Xu, SORENSEN Paul, CAI Xiang-Zhou, HEINZ Mark and MA Yu-Gang. Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA[J]. Chinese Physics C, 2008, 32(S2): 13-16. shu

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Received: 2008-07-16
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA

Corresponding author: ZUO Jia-Xu,

Received Date: 2008-07-16

Accepted Date: 1900-01-01

Available Online: 2008-01-03

Abstract: We calculated the relative abundances of charge hadron, K_S⁰, Λ and Λ in the near-side and away-side cones correlated with triggered high p_T particles in minimum bias in p+p collisions at √s_NN=200 GeV in the PYTHIA model. From the quark and gluon jet events in the PYTHIA model, we have found that the particle yields' different splitting. So the di-hadron correlation in the quark jet events and gluon jet events are also presented. And the particle charge dependance of the di-hadron correlation is extracted from the PYTHIA model. The di-hadron plus and di-hadron minus correlations are similar in the near-side (Δφ~0), but in the away-side, the di-hadron minus correlation seems to be lower. The Hadron-K_S⁰ and －Λ+Λ correlations seem to be differet. We have used a double-Gaussian function to fit those correlation functions and compared the fit parameters.

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Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA

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Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA

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Particle correlation in p+p collision √sNN=200 GeV in PYTHIA

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Particle correlation in p+p collision √sNN=200 GeV in PYTHIA

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Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA

Particle correlation in p+p collision √s_NN=200 GeV in PYTHIA