Chin. Phys. Lett.  2009, Vol. 26 Issue (6): 062503    DOI: 10.1088/0256-307X/26/6/062503
NUCLEAR PHYSICS |
Properties of Dihadron Correlations for p+p Collisions at √sNN= 200 GeV
XIN Ke-Feng, ZHANG Song, MA Yu-Gang, CAI Xiang-Zhou, MA Guo-Liang, ZHONG Chen
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800
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XIN Ke-Feng, ZHANG Song, MA Yu-Gang et al  2009 Chin. Phys. Lett. 26 062503
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Abstract The dihadron azimuthal angular correlations for p+p collisions at√sNN=200 GeV are simulated by a multi-phase transport model. The dispersions of near-side and away-side peaks, indicated by the width of Gaussian fit functions and the rms width, decrease with the transverse momentum of associated particles. This trend is consistent with the experimental results. Conditional-yields are also calculated to obtain distributions of the associated particle transverse momentum for both away-side and near-side. Furthermore, the hadronic rescattering effects make the conditional-yield distributions softer.
Keywords: 25.75.Gz      13.87.Fh      12.38.Mh     
Received: 09 March 2009      Published: 01 June 2009
PACS:  25.75.Gz (Particle correlations and fluctuations)  
  13.87.Fh (Fragmentation into hadrons)  
  12.38.Mh (Quark-gluon plasma)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/26/6/062503       OR      https://cpl.iphy.ac.cn/Y2009/V26/I6/062503
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XIN Ke-Feng
ZHANG Song
MA Yu-Gang
CAI Xiang-Zhou
MA Guo-Liang
ZHONG Chen
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