Precise Measurement of τ Mass

BES Collaboration

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1995, Vol. 19> Issue(2) : 97-105

Precise Measurement of τ Mass

BES Collaboration

Institute of High Enerty Physics, Acadamia Scinica, Beijing 100039

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Abstract：
Pairs of τ lepton produced near the threshould have been studied in eμ,ee,eπ,μμ,μπ,ππ final states with the data taken by BES detector at BEPC collider in 1992.The obtained τ mass is MeV by fitting data with likelihood method.

References

[1]	BES合作组，高能物理与核物理，16（1992）865.[2]Measurement of the Mass of #964; lepton,BES collab,Phys.Rev.Lett.,69（1992）3021.[3]Review of Particle Properties,PDG.Phys.Rev.,D45（1993）.[4]Experimental Results on #964; physics,J.J.Gomez Cadenas,CERN-PPE/94-B,1994.

[1]	BES Collaboration . Measurement of Inclusive Semileptonic Branching Fractions for D^－→e^－X and D⁰→e^－X. Chinese Physics C, 2002, 26(6): 547-556.
[2]	LIU Yong-Ying , WANG Su-Fang , DUAN Li-Min , JIN Gen-Ming , ZHU Hai-Dong , ZHANG Bao-Guo , WEN Wan-Xin , LI Zu-Yu , HE Zhi-Yong , WANG Hong-Wei , XIAO Zhi-Gang , WU He-Yu , WEI Zhi-Yong . Emission Time of Light Particles with Respect to Measurement Angle. Chinese Physics C, 2001, 25(11): 1065-1070.
[3]	HE Ze-Jun , Zhou Wen-Jie , JIANG Wei-Zhou , ZHU Zhi-Yuan , LIU Bo . Enhancement of Dileptons with Intermediate Masses Produced in QGP. Chinese Physics C, 2001, 25(2): 179-182.
[4]	Qian Chengde , Feng Sheng , Tong Guoliang , Wu Yigen . Electron Identification in the Measurement of MichelParameter in τ Lepton Decay. Chinese Physics C, 1998, 22(5): 388-392.
[5]	He Zejun . Characteristic Dilepton Distribution for Quark-Gluon Matter. Chinese Physics C, 1997, 21(3): 269-274.
[6]	Liu Yaoyang , Jiang Xiangdong , Zhou Jiange . A Quark Model Including Lepton Structure. Chinese Physics C, 1996, 20(10): 900-912.
[7]	BES Collaboration . Determination of J/ψ Leptonic Branching Fraction Via ψ(2S)→π⁺π^－J/ψ. Chinese Physics C, 1996, 20(2): 97-106.
[8]	Li Jin , Li Yushan , Qi Nading , Xue Shengtian , Wang Ping , Hu Tao , Ma Donghong , Zhang Jiawen , Zhu Qiming , Jiang Chunhua , Jiang Zhijing . Monte Carlo study for strategies of Tau mass measurement. Chinese Physics C, 1995, 19(3): 209-216.
[9]	BES Collaboration . Study of ψ(2S) Decay to τ Lepton Pairs. Chinese Physics C, 1995, 19(7): 577-584.
[10]	He Zejun , Zhang Jiaju , Qiu Xijun . Dilepton Invariant Mass Distribution in Central Rapidity Region. Chinese Physics C, 1995, 19(11): 1036-1039.
[11]	ZHANG Tian-Bao , WANG Shu-Ying , WANG Hai-Dong , SHEN Zhi-Qi , MENG Bo-Nian . Precise Measurement of Gamma Ray Energies With HPGE Spectrometer by Slithering Comparison Method. Chinese Physics C, 1993, 17(3): 202-207.
[12]	WU Ji-Min , HE Zuo-Xiu . The Implications of the New Measurement of τ Lepton Mass. Chinese Physics C, 1993, 17(6): 511-515.
[13]	RONG Gang , CA Ji-Mao , MAO Hu-Shun , WANG Tai-Jie , BAI Jing-Zhi , LI Wei-Guo . Application of dE/dx Method for e/π Identification to the Measurement of the Mass of τ Heavy Lepton by BES. Chinese Physics C, 1993, 17(10): 865-872.
[14]	LIU Yao-Yang . RADIATIVE DECAY OF Z⁰ AND HEAVY LEPTON. Chinese Physics C, 1985, 9(4): 505-507.
[15]	DONG Fang-Xiao , DU Dong-Sheng , XUE Pei-You . COMMENT ON LIGHT-FERMION MASS HIERARCHY PROBLEM IN SU(9) GRAND UNIFIED MODELS. Chinese Physics C, 1983, 7(1): 20-27.
[16]	Xu DE-ZHI . STRATON MASSES AND CABIBBO ANGLES. Chinese Physics C, 1981, 5(4): 405-411.
[17]	LI SHI , WANG KE-BIN , TANG XIAO-WEI . THE PRECISION MEASUREMENT OF THE ENERGY OF THE SURVIVAL PHOTON PASSED THROUGH A MEDIUM. Chinese Physics C, 1981, 5(5): 628-630.
[18]	KUANG YU-PING , . SU(3) LEPTON MODEL AND THE DYNAMICAL GENERATION OF LEPTON MASS DIFFERENCES. Chinese Physics C, 1981, 5(1): 72-81.
[19]	GAO CHUNG-SHOU . SOME CONJECTURES ON THE MASS FORMULA OF CHARGED LEPTONS. Chinese Physics C, 1979, 3(4): 518-522.
[20]	WU JING-YUAN , LI XIAO-YUAN , CHEN ZHONG-MO . THE DIFFICULTY OF THE DECAY τ→πν_τ AND SPIN 3/2 HEAVY LEPTON. Chinese Physics C, 1978, 2(3): 236-241.

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BES Collaboration. Precise Measurement of τ Mass[J]. Chinese Physics C, 1995, 19(2): 97-105.

BES Collaboration. Precise Measurement of τ Mass[J]. Chinese Physics C, 1995, 19(2): 97-105. shu

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Received: 1900-01-01
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Precise Measurement of τ Mass

BES Collaboration

Institute of High Enerty Physics, Acadamia Scinica, Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-02-05

Abstract: Pairs of τ lepton produced near the threshould have been studied in eμ,ee,eπ,μμ,μπ,ππ final states with the data taken by BES detector at BEPC collider in 1992.The obtained τ mass is MeV by fitting data with likelihood method.