Mass Dependence of Hadron Production Rates in e<SUP>+</SUP>e<SUP>－</SUP> Annihilations at High Energy

WANG Hai-Long; LIU Xi-Ming; WANG Yu-Shui

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2002, Vol. 26> Issue(5) : 471-476

Mass Dependence of Hadron Production Rates in e⁺e^－ Annihilations at High Energy

Department of Physics, Shandong University, Ji′nan 250100, China

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Abstract：
In this paper, the parameter b in the universal mass relation =a exp(-bm) is obtained in virtue of a quark model successfully applied in the field of mass spectroscopy and is found to be a universal parameter for both baryons and mesons. Using this mass relation we give the expression for calculating the multiplicities of all the particles, and calculate the yields of various final state particles and compare it with the data from e⁺e^－ annihilation experiments and other models. The result shows this universal mass relation can explain experiment as well without any additional assumption.

References

[1]

. Chun S B ,Buchanan C D .Phys. Rep.,1998,292:239—3172. Chliapnikov P V. Phys. Lett.,1999,B462:341—3533. Webber B R .hep-ph/99123994. LIU Xi-Ming et al. HEPNP ,2002, 26(4):313(in Chinese)(刘希明等.高能物理与核物理,2002,26(4):313)5. Gasiorowicz, Am Rosner. J. Phys.,1981,49:954 6. ALEPH Collab, Barate R. Phys. Rep.,1998,294:1 7. LIU Xi-Ming et al. HEPNP, 2001, 25:377—382(in Chinese)(刘希明等.高能物理与核物理,2001, 25:377—382)8. Particle Data Group. Eur. Ohys. J.,2000,C15:226 9. Chliapnikov P V ,Uvaron V A .Phys. Lett.,1995,B345:313

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[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]	Lu Gongru , Li Haibo , Yang Yadong . One Loop PGBs Effects on tt Production in High Energy e⁺e^- Annihilation. Chinese Physics C, 1996, 20(6): 522-532.
[7]	Wang Zhengzhi . Probability of e⁺e^－ Annihilation in High Energy Collision and Intermittency. Chinese Physics C, 1996, 20(1): 61-64.
[8]	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.
[9]	He Jingtang , Zhu Guoyi , La Yusheng , Dong Xiaoli . Search for Light Neutral Particle in Low Energy e⁺e^－ Annihilation. Chinese Physics C, 1994, 18(5): 404-408.
[10]	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.
[11]	Liu Ximing . Difference of Particle Multiplicities Between Quark Jets of Different Flavors in e⁺e^－ Annihilation. Chinese Physics C, 1994, 18(9): 829-835.
[12]	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.
[13]	CHEN E-Sheng . Average Yields of Long-Lived Charged Particles in High Energy e⁺e^－ Annihilation. Chinese Physics C, 1993, 17(3): 252-261.
[14]	WU Yuan-Fang , LIU Lian-Shou . On the Moment-Order,Multiplicity and Transverse-Momentum Dependences of Intermittency in Hadron-Hadron Collisions. Chinese Physics C, 1991, 15(9): 822-826.
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[17]	QIU Zhong-Ping , CAI Xu . CYLINDRICAL BAG MODEL OF PARTICLE PRODUCTION IN HIGH ENERGY e⁺e^－ ANNIHILATION. Chinese Physics C, 1988, 12(5): 708-711.
[18]	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.
[19]	LIANG Zuo-Tang , XIE Qu-Bing . MULTIPLICITY DISTRIBUTION IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1987, 11(6): 840-843.
[20]	CHANG CHAO-XI . ON STRUCTURE OF MULTIPARTICLES IN QUARK JETS FOR e⁺e^- COLLIDING. Chinese Physics C, 1982, 6(1): 123-128.

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WANG Hai-Long, LIU Xi-Ming and WANG Yu-Shui. Mass Dependence of Hadron Production Rates in e⁺e^－ Annihilations at High Energy[J]. Chinese Physics C, 2002, 26(5): 471-476.

WANG Hai-Long, LIU Xi-Ming and WANG Yu-Shui. Mass Dependence of Hadron Production Rates in e⁺e^－ Annihilations at High Energy[J]. Chinese Physics C, 2002, 26(5): 471-476. shu

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Received: 2001-06-28
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Mass Dependence of Hadron Production Rates in e⁺e^－ Annihilations at High Energy

Corresponding author: LIU Xi-Ming,

Department of Physics, Shandong University, Ji′nan 250100, China

Received Date: 2001-06-28
Accepted Date: 1900-01-01
Available Online: 2002-05-05

Abstract: In this paper, the parameter b in the universal mass relation =a exp(-bm) is obtained in virtue of a quark model successfully applied in the field of mass spectroscopy and is found to be a universal parameter for both baryons and mesons. Using this mass relation we give the expression for calculating the multiplicities of all the particles, and calculate the yields of various final state particles and compare it with the data from e⁺e^－ annihilation experiments and other models. The result shows this universal mass relation can explain experiment as well without any additional assumption.