A Circumstantial Evidence for the Possible Production of QGP in the 158A GeV/c Central Pb+Pb Collisions

LIU Zhi-Yi; SA Ben-Hao; ZHOU Shu-Hua

近期发现有不法分子冒充我刊与作者联系，借此进行欺诈等不法行为，请广大作者加以鉴别，如遇诈骗行为，请第一时间与我刊编辑部联系确认（《中国物理C》（英文）编辑部电话：010-88235947,010-88236950），并作报警处理。

本刊再次郑重声明：

（1）本刊官方网址为cpc.ihep.ac.cn和https://iopscience.iop.org/journal/1674-1137

（2）本刊采编系统作者中心是投稿的唯一路径，该系统为ScholarOne远程稿件采编系统，仅在本刊投稿网网址（https://mc03.manuscriptcentral.com/cpc）设有登录入口。本刊不接受其他方式的投稿，如打印稿投稿、E-mail信箱投稿等，若以此种方式接收投稿均为假冒。

（3）所有投稿均需经过严格的同行评议、编辑加工后方可发表，本刊不存在所谓的“编辑部内部征稿”。如果有人以“编辑部内部人员”名义帮助作者发稿，并收取发表费用，均为假冒。

《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2001, Vol. 25> Issue(11) : 1089-1091

A Circumstantial Evidence for the Possible Production of QGP in the 158A GeV/c Central Pb+Pb Collisions

China Institute of Atomic Energy,Beijing 102413,China

Abstract
HTML
Reference
Related

PDF

Abstract：
Hadron and string cascade model (JPCIAE),based on the hypothesis without introducing the quark gluon plasma(QGP),is employed to study the direct photon and π 0 transverse momentum distributions for central ²⁰⁸Pb+²⁰⁸Pb collisions at 158A GeV/c. The theoretical results of transverse momentum distribution for both the direct photon and the π⁰ particle are lower than the data of WA98 experiment. However,JPCIAE model can ever explain successfully the results of WA80 and WA93 experiments of central S+Au collisions at 200A GeV/c where there is no evidence of direct photon excess. Having considered the results of WA80 and WA93 experiments can be explained but WA98's can't,that might provide a circumstantial evidence for the possible production of QGP in the high energy central Pb+Pb collisions.

[1]	B. S. Ishkhanov , S. V. Sidorov , T. Yu. Tretyakova , E. V. Vladimirova . Mass differences and neutron pairing in Ca, Sn and Pb isotopes. Chinese Physics C, 2017, 41(9): 094101. doi: 10.1088/1674-1137/41/9/094101
[2]	Zhao Feng , Guang-Ming Huang , Feng Liu . Anisotropic flow of Pb+Pb √s_NN=5.02 TeV from a multi-phase transport model. Chinese Physics C, 2017, 41(2): 024001. doi: 10.1088/1674-1137/41/2/024001
[3]	Wei Hu , Jian Fang , Bo-Xiang Yu , Xuan Zhang , Li Zhou , Xiao Cai , Li-Jun Sun , Wan-Jin Liu , Lan Wang , Jun-Guang Lü . Laboratory measurement of radioactivity purification for ²¹²Pb in liquid scintillator. Chinese Physics C, 2016, 40(9): 096202. doi: 10.1088/1674-1137/40/9/096202
[4]	Jian Liu , Cun Zhang , Zhong-Zhou Ren , Chang Xu . Theoretical study on neutron distribution of ²⁰⁸Pb by parity-violating electron scattering. Chinese Physics C, 2016, 40(3): 034101. doi: 10.1088/1674-1137/40/3/034101
[5]	GUO Jian-You , SHENG Zong-Qiang , FANG Xiang-Zheng . A systematic study of the superdeformation of Pb isotopes with relativistic mean field theory. Chinese Physics C, 2008, 32(11): 886-891. doi: 10.1088/1674-1137/32/11/008
[6]	SHENG Zong-Qiang , SHAO Ji-Hong , GUO Jian-You . Study of the Superdeformed State of ¹⁹⁶Pb in the Relativistic Mean Field Theory. Chinese Physics C, 2006, 30(6): 481-484.
[7]	ZHANG Hong-Fei , ZUO Wei , LI Jun-Qing , Soojae IM , MA Zhong-Yu , CHEN Bao-Qiu . Pb Isotope Shifts in the Relativistic Mean Field Theory. Chinese Physics C, 2006, 30(8): 745-749.
[8]	HAN Yin-Lu . Theoretical Calculations and Analysis of n+²⁰⁸Pb Reaction for Intermediate Energy Neutron. Chinese Physics C, 2004, 28(1): 48-52.
[9]	JIANG Zhi-Jin , LI Qiang . Study of J/ψ Suppression in Pb-Pb Collisions at 158GeV/c. Chinese Physics C, 2004, 28(8): 846-849.
[10]	MA Guo-Liang , MA Yu-Gang , WANG Kun , SHEN Wen-Qing , CAI Xiang-Zhou , ZHANG Hu-Yong , LU Zhao-Hui , ZHONG Chen , CHEN Jin-Gen , WEI Yi-Bin , HUANG Huan-Zhong , SA Ben-Hao . Rapidity Distributions and Thermal Fits for Relativistic Heavy-Ion Collisions at 158A GeV. Chinese Physics C, 2003, 27(10): 901-904.
[11]	JIA Huan-Yu , LV Hong-Feng , MENG Jie . Hyperon rms Radii of _Λ²⁰⁸Pb and Neutron Star Structure. Chinese Physics C, 2002, 26(10): 1050-1055.
[12]	FAN Sheng , LI Zhu-Xia , ZHAO Zhi-Xiang . Cross Section Calculations for Proton-Induced Reaction on ²⁰⁸Pb with Intermediate Energy up to GeV by Using Quantum Molecular Dynamics. Chinese Physics C, 2002, 26(11): 1151-1157.
[13]	LU Zhong-Dao , SA Ben-Hao , Amand Faessler . Analysis of Multi-Particle Production in 158 A GeV Pb+Pb Collisions by Two-Source Statistical Model. Chinese Physics C, 2002, 26(5): 501-506.
[14]	CHEN XueShi , ZHANG XiaoDong , SHEN ShuiFa , SHI ShuangHui , GU JiaHui . Study on Deformation and Shape Coexistence for ¹⁸⁸Pb. Chinese Physics C, 2000, 24(4): 364-368.
[15]	Li Yunde , Xu Xiaomei , Liu Lianshou . Direct Hard Photoproduction of J/ψ andγ in High Energy Pb-Pb and Ca-Ca Collisions at LHC. Chinese Physics C, 1999, 23(8): 837-840.
[16]	Sa Benhao , Tai An , Wang Hui . Are There J/ψ Anomalous Suppressions in 158 A GeV/c Pb+Pb Collisions?. Chinese Physics C, 1999, 23(7): 689-692.
[17]	Gu Jinnan . Structure of Pb Isotopes and Residual Interaction. Chinese Physics C, 1995, 19(1): 64-72.
[18]	Zhou Xiaohong , Sun Xiangfu , Lei Xiangguo , Jin Hanjuan , Liu Zhong , Zhang Yuhu , Pan Qiangyan , Guo Yingxiang , Chen Xinfeng , Luo Yixiao , Wen Shuxian , Yuan Guanjun , Li Guangsheng , Yang Chunxiang . Study of Low-lying Level Structure in ¹⁹⁸Pb. Chinese Physics C, 1994, 18(S1): 28-32.
[19]	LEI Yi-An , ZENG Jin-Yan . Accurate Calculation of Superdeformed Bands in Hg and Pb. Chinese Physics C, 1993, 17(7): 636-643.
[20]	Lei Yian , Zeng Jinyan . An Accurate Calculation of the Superdeformed Bands in Hg and Pb. Chinese Physics C, 1993, 17(S2): 161-169.

Access

Get Citation

LIU Zhi-Yi, SA Ben-Hao and ZHOU Shu-Hua. A Circumstantial Evidence for the Possible Production of QGP in the 158A GeV/c Central Pb+Pb Collisions[J]. Chinese Physics C, 2001, 25(11): 1089-1091.

LIU Zhi-Yi, SA Ben-Hao and ZHOU Shu-Hua. A Circumstantial Evidence for the Possible Production of QGP in the 158A GeV/c Central Pb+Pb Collisions[J]. Chinese Physics C, 2001, 25(11): 1089-1091. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2000-12-25
Revised: 1900-01-01

Article Metric

Article Views(4020)
PDF Downloads(594)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

A Circumstantial Evidence for the Possible Production of QGP in the 158A GeV/c Central Pb+Pb Collisions

Corresponding author: LIU Zhi-Yi,

China Institute of Atomic Energy,Beijing 102413,China

Received Date: 2000-12-25
Accepted Date: 1900-01-01
Available Online: 2001-11-05

Abstract: Hadron and string cascade model (JPCIAE),based on the hypothesis without introducing the quark gluon plasma(QGP),is employed to study the direct photon and π 0 transverse momentum distributions for central ²⁰⁸Pb+²⁰⁸Pb collisions at 158A GeV/c. The theoretical results of transverse momentum distribution for both the direct photon and the π⁰ particle are lower than the data of WA98 experiment. However,JPCIAE model can ever explain successfully the results of WA80 and WA93 experiments of central S+Au collisions at 200A GeV/c where there is no evidence of direct photon excess. Having considered the results of WA80 and WA93 experiments can be explained but WA98's can't,that might provide a circumstantial evidence for the possible production of QGP in the high energy central Pb+Pb collisions.