THE FRAGMENTATION SCHEMES IN e<SUP>+</SUP>e<SUP>－</SUP> ANNIHILATION

LIU Xi-Ming

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2024年10月30日

Chinese Physics C> 1990, Vol. 14> Issue(1) : 31-35

THE FRAGMENTATION SCHEMES IN e⁺e^－ ANNIHILATION

LIU Xi-Ming ^,

Department of Physics,Shandong University,Jinan

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Abstract：
The comparison of two fragmentation schemes used in the analysis of e⁺e^－ annihilation are presented in this paper.It is found that the independent fragmentation assumption is strongly disfavored by the data of the final particle multiplicities,and the string fragmentation assumption agrees with experiments.

References

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[1]	LIU Xi-Ming , SUN Xu-Bin . Strangeness Suppression in e⁺e^－ Light Flavour Jets. Chinese Physics C, 2007, 31(2): 138-142.
[2]	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.
[3]	JIN Yi , LI Shi-Yuan , XIE Qu-Bing . Fragmentation of Light Initial Quarks into Charm Measons in e⁺e^－ Annihilation. Chinese Physics C, 2003, 27(10): 852-856.
[4]	WANG Hai-Long , LIU Xi-Ming , WANG Yu-Shui . Mass Dependence of Hadron Production Rates in e⁺e^－ Annihilations at High Energy. Chinese Physics C, 2002, 26(5): 471-476.
[5]	BES Collaboration . Measurement of Production Cross Section of D_s⁺D_s^－ in e⁺e^－ Annihilation at the Center-of-Mass Energy of s=4.03GeV. Chinese Physics C, 2001, 25(6): 465-475.
[6]	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.
[7]	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.
[8]	Wang Zhengzhi . Probability of e⁺e^－ Annihilation in High Energy Collision and Intermittency. Chinese Physics C, 1996, 20(1): 61-64.
[9]	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.
[10]	Liu Ximing . Difference of Particle Multiplicities Between Quark Jets of Different Flavors in e⁺e^－ Annihilation. Chinese Physics C, 1994, 18(9): 829-835.
[11]	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.
[12]	Wang Qun , Xie Qubing . Production Percentages of L=1 Excited Baryons in e⁺e^－ Annihilation. Chinese Physics C, 1994, 18(9): 807-812.
[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]	CHEN E-Sheng , LI Ming-Ming . Yields of Charmed and Beautiful Mesons in e⁺e^－ Annihilation at s=10—178GeV 的e⁺e^-. Chinese Physics C, 1991, 15(11): 981-990.
[15]	CHEN E-Sheng , XIE Qu-Bing . THE RATIO OF CHARMED BARYON TO MESON IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1990, 14(4): 319-324.
[16]	LIU Xi-Ming , WU Hua-You . THE FRAGMENTATION OF GLUON OF GLUON IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1990, 14(11): 1001-1006.
[17]	LIU Xi-Ming . BARYON PRODUCTION IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1989, 13(9): 803-807.
[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]	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.
[20]	LIANG Zuo-Tang , XIE Qu-Bing . MULTIPLICITY DISTRIBUTION IN e⁺e^－ ANNIHILATION. Chinese Physics C, 1987, 11(6): 840-843.

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LIU Xi-Ming. THE FRAGMENTATION SCHEMES IN e⁺e^－ ANNIHILATION[J]. Chinese Physics C, 1990, 14(1): 31-35.

LIU Xi-Ming. THE FRAGMENTATION SCHEMES IN e⁺e^－ ANNIHILATION[J]. Chinese Physics C, 1990, 14(1): 31-35. shu

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Received: 1900-01-01
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

THE FRAGMENTATION SCHEMES IN e⁺e^－ ANNIHILATION

LIU Xi-Ming ^,

Corresponding author: LIU Xi-Ming,

Department of Physics,Shandong University,Jinan

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-01-05

Abstract: The comparison of two fragmentation schemes used in the analysis of e⁺e^－ annihilation are presented in this paper.It is found that the independent fragmentation assumption is strongly disfavored by the data of the final particle multiplicities,and the string fragmentation assumption agrees with experiments.