An Algorithm for Increasing the Ratio of QGP Candidate Events in Relativistie Heavy Ion Collision Data Sample Using Factorial Moment Technique

  • The formation of quark-gluon plasma (QGP) in relativistic heavy ion collision, is expected to be accompanied by a background of ordinary collision events without phase transition. In this short note an algorithm is proposed to select the QGP candidate events from the whole event sample. This algorithm is based on a simple geometrical consideration together with some ordinary QGP signal, e.g. the increasing of K/π ratio. This algorithm increases the "signal to noise ratio" of QGP events in the selected sub-sample in shown explicitly by using Monte-Carlo simulation.
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  • [1] Stock R. in Proceedings of the QM95 Pre–conference Workshop on Physics with the Collider Detectors at RHIC and the LHC, eds Thomas J and Hallman T, UCRL—ID─121571 2 Liu Lianshou, Hu Yuan,Deng Yue.Phys.Lett., 1996, B388:103 Liu Feng, Liu Lianshou. Chinese Phys. Lett., 1998,15:104 Bialas A, Peschanski R. Nucl. Phys., 1986, B273:703; 1998, B308:8515 Liu Lianshou, Zhang Yang, Deng Yue. Z. Phys., 1997, C73:5356 Zhang Yonghe, Liu Lianshou, Zhang Xianze. Science in China, 1994, A37:840; Wu Yuanfang, Liu Lianshou. Science in China, 1995, A38:435
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Cheng Qinghua, Hu Yuan and Liu Lianshou. An Algorithm for Increasing the Ratio of QGP Candidate Events in Relativistie Heavy Ion Collision Data Sample Using Factorial Moment Technique[J]. Chinese Physics C, 1999, 23(10): 998-1003.
Cheng Qinghua, Hu Yuan and Liu Lianshou. An Algorithm for Increasing the Ratio of QGP Candidate Events in Relativistie Heavy Ion Collision Data Sample Using Factorial Moment Technique[J]. Chinese Physics C, 1999, 23(10): 998-1003. shu
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Received: 1998-07-28
Revised: 1900-01-01
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An Algorithm for Increasing the Ratio of QGP Candidate Events in Relativistie Heavy Ion Collision Data Sample Using Factorial Moment Technique

    Corresponding author: Cheng Qinghua,
  • Institute of Particle Physics, Huazhong Normal University, Wuhan 430079

Abstract: The formation of quark-gluon plasma (QGP) in relativistic heavy ion collision, is expected to be accompanied by a background of ordinary collision events without phase transition. In this short note an algorithm is proposed to select the QGP candidate events from the whole event sample. This algorithm is based on a simple geometrical consideration together with some ordinary QGP signal, e.g. the increasing of K/π ratio. This algorithm increases the "signal to noise ratio" of QGP events in the selected sub-sample in shown explicitly by using Monte-Carlo simulation.

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