Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e+e- Annihilation at Z0 Energy

Xie Yigang; Cai Yong

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> 1994, Vol. 18> Issue(S3) : 223-234

Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e⁺e^- Annihilation at Z⁰ Energy

Xie Yigang ,
Cai Yong

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing

Abstract
HTML
Reference
Related

PDF

Abstract：
The charged multiplicity distributions of final state hadrons in the e⁺e^- annihilation at 91.2 GkV Z⁰ energy region are fitted with Poisson shape in different rapidity windows for full-jets and double jets events in double and single hemisphere. The multiplicity distributions which are in Poisson-like shape are obtained according to the parameter <n>/D and the fitting quality, and are compared with the results derived from the relevant theoretical models. The relationship between Poisson-like shape and KNO scaling is discussed. The connection between the parameters expressing the deviation from the Poisson shape and non-independent particle emission, as well as multiplicity correlation strength is analyzed. The "shoulder structure" is observed in single hemisphere for central rapidity region and analyzed by using the JADE jet analysis algorithm.
- Z⁰ ,
- e⁺e^- annihilation ,
- multiplicity of hadrons ,
- Poisson distribution

[1]	Dan Wang , Rong-Gang Ping , Lei Li , Xiao-Rui Lyu , Yang-Heng Zheng . Charmed baryon decay asymmetry in e⁺e^- annihilation. Chinese Physics C, 2017, 41(2): 023106. doi: 10.1088/1674-1137/41/2/023106
[2]	Ying Li , Dan-Dan Wang , Cai-Dian Lü . Pure annihilation type B→K0±(1430)K()^干 decays in the family non-universal Z0 model. Chinese Physics C, 2016, 40(1): 013101. doi: 10.1088/1674-1137/40/1/013101
[3]	LIU Xi-Ming , WANG Yong-Gang , ZHANG Xue-Yao . Hadrons Production from Light Quark Jets in e^＋e^－ Annihilation. Chinese Physics C, 2004, 28(1): 11-16.
[4]	WANG Yong-Gang , LIU Xi-Ming , ZHOU Jian-Jun . Angular Asymmetry of Multiplicity in High Energy e⁺e^－ Annihilation to Three Jet Events. Chinese Physics C, 2001, 25(1): 6-10.
[5]	Chen Esheng , Wang Qun , Xie Qubing , Chen Yan . Multiplicity of D^*± in e⁺e^－ Annihilation at s=29─35Gev. Chinese Physics C, 1998, 22(3): 234-240.
[6]	Xie Yigang , Huang Xiuping , Lin Jianfeng , Xu Rongfen . Hadron Multiplicity Distributions and the Related Parameters in e⁺e^－ Annihilation at Z⁰ Energy Region. Chinese Physics C, 1996, 20(11): 972-981.
[7]	Liu Ximing . The Final State Multiplicity Rates of η and η＇IN e⁺e^－ Annihilation at High Energy. Chinese Physics C, 1994, 18(12): 1091-1095.
[8]	Wang Yanshen , Hou Boyu . Poisson-Lie Structure of 0(n) Non-Linear Sigma Model in Moving Frames. Chinese Physics C, 1994, 18(S4): 345-355.
[9]	Xie Yigang , Chai Yong . Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e⁺e^－ Annihilation at Z⁰ Energy Region. Chinese Physics C, 1994, 18(9): 778-787.
[10]	LI Tie-Zhong . The Relation of Family and Extra Z⁰ Boson Number. Chinese Physics C, 1992, 16(1): 15-21.
[11]	ZHANG Zhao-Xi , CHEN Yu-Qi . The Production of B_c⁽B_c) Meson Through Z⁰ Boson Decay. Chinese Physics C, 1992, 16(4): 335-339.
[12]	JIN Bing-Nian , XU Ya-Di . Z⁰ Line Shape Fit. Chinese Physics C, 1992, 16(3): 197-201.
[13]	Jin Bingnian , Xu Yadi . Z⁰ Line Shape Fit. Chinese Physics C, 1992, 16(S1): 11-16.
[14]	Li Tiezhong . A Scheme for Identifying Various Extra z⁰ Boson Models. Chinese Physics C, 1991, 15(S3): 273-281.
[15]	Liu Ximing . The Fragmentation Mechanism in e⁺e^- Annihilation. Chinese Physics C, 1990, 14(S1): 39-44.
[16]	Lai Xiaoping , Xie Qiubing , Fang Haiping . The Semi-Inclusive Distributions and the Rapidity Dependence of Multiplicity Distributions in e⁺e^- Annihilation into Two Jets. Chinese Physics C, 1990, 14(S1): 19-26.
[17]	CHEN Zhi-Jiang , XIE Qu-Bing , MA Wen-Jun . THE NEAREST CORRELATION IN RAPIDITY AND THE MULTIPLICITY DISTRIBUTION IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1988, 12(6): 742-748.
[18]	WANG Zheng-Zhi , WANG Gui-Yun . e⁺e^－ ANNIHILATION AND THE LARGE TRANSVERSE MOMENTUM P_⊥ DISTRIBUTION. Chinese Physics C, 1987, 11(2): 164-166.
[19]	LIANG Zuo-Tang , XIE Qu-Bing . MULTIPLICITY DISTRIBUTION IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1987, 11(6): 840-843.
[20]	LIU Yao-Yang . RADIATIVE DECAY OF Z⁰ AND HEAVY LEPTON. Chinese Physics C, 1985, 9(4): 505-507.

Access

Get Citation

Xie Yigang and Cai Yong. Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e⁺e^- Annihilation at Z⁰ Energy[J]. Chinese Physics C, 1994, 18(S3): 223-234.

Xie Yigang and Cai Yong. Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e⁺e^- Annihilation at Z⁰ Energy[J]. Chinese Physics C, 1994, 18(S3): 223-234. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1993-05-14

Article Metric

Article Views(479)
PDF Downloads(2)
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

Poisson-Like Shape and Shoulder Structure of Hadron Multiplicity Distributions in e⁺e^- Annihilation at Z⁰ Energy

Xie Yigang
Cai Yong

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing

Received Date: 1993-05-14

Abstract: The charged multiplicity distributions of final state hadrons in the e⁺e^- annihilation at 91.2 GkV Z⁰ energy region are fitted with Poisson shape in different rapidity windows for full-jets and double jets events in double and single hemisphere. The multiplicity distributions which are in Poisson-like shape are obtained according to the parameter <n>/D and the fitting quality, and are compared with the results derived from the relevant theoretical models. The relationship between Poisson-like shape and KNO scaling is discussed. The connection between the parameters expressing the deviation from the Poisson shape and non-independent particle emission, as well as multiplicity correlation strength is analyzed. The "shoulder structure" is observed in single hemisphere for central rapidity region and analyzed by using the JADE jet analysis algorithm.