Precise Measurement of τ Mass

BES Collaboration

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

Abstract
HTML
Reference
Related

PDF

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]	CHEN Chi-Yi , SHEN You-Gen , FENG Bo . Spontaneous Leptogenesis in Brans-Dicke Cosmology. Chinese Physics C, 2005, 29(11): 1033-1040.
[2]	YUE Chong-Xing , ZHANG Yan-Ming , LIU Lan-Jun . Z′and Lepton Flavor-Violation Tau Decays. Chinese Physics C, 2003, 27(7): 564-566.
[3]	BES Collaboration . Measurement of Inclusive Semileptonic Branching Fractions for D^－→e^－X and D⁰→e^－X. Chinese Physics C, 2002, 26(6): 547-556.
[4]	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.
[5]	LIU Bo , PENG GuangXiong , SHEN PengNian , HE ZeJun , CHEN Hong , MA WeiXing , ZHAO EnGuang , LU HongChao . Leptonic Decay and Radiative Transion of ψ′in Medium at Finite Temperature and Density. Chinese Physics C, 2000, 24(10): 969-973.
[6]	Gao Song , Liu Bo , Zhao Weiqin . Thermal Mass of the Gluon and the Disociation of J/ψ and ψ′in QGP Environment. Chinese Physics C, 1997, 21(4): 322-329.
[7]	He Zejun . Characteristic Dilepton Distribution for Quark-Gluon Matter. Chinese Physics C, 1997, 21(3): 269-274.
[8]	He Zhiyong , Duan Limin , Li Zuyu , Jin Genming , Luo Qingzheng , Wu Heyu , Zhang Baoguo , Wen Wanxin , Qi Yujin , Dang Bingrong , Dai Guangxi . Emission Time Measurements of Light Particles from ⁴⁰Ar+¹⁹⁷Au Collisions in Intermediate Energies. Chinese Physics C, 1996, 20(1): 8-12.
[9]	BES Collaboration . Determination of J/ψ Leptonic Branching Fraction Via ψ(2S)→π⁺π^－J/ψ. Chinese Physics C, 1996, 20(2): 97-106.
[10]	He Zejun , Zhang Jiaju , Qiu Xijun . Dilepton Invariant Mass Distribution in Central Rapidity Region. Chinese Physics C, 1995, 19(11): 1036-1039.
[11]	Li Zuohong , Hou Yunzhi . Semileptonic B-Meson Decays in SU(3). Chinese Physics C, 1994, 18(8): 715-723.
[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]	HU Lian , GUO Shuo-Hong . A VARIATIONAL RESEARCH FOR HADRON SPECTRUM. Chinese Physics C, 1986, 10(3): 288-296.
[14]	YANG Xin-E . THE COMPOSITE MODEL OF LEPTON AND QUARK WITH ONLY ONE CONSTITUENT SCALAR. Chinese Physics C, 1985, 9(5): 537-541.
[15]	XU De-Zhi . A STRUCTURE MODEL OF STRATONS AND LEPTONS. Chinese Physics C, 1983, 7(5): 546-549.
[16]	YIN PENG-CHENG , ZHOU GU-SHENG , WANG JIA-ZHU , WANG ZI . GLUE BAG MODEL AND MASS SPECTRA OF HADRONS. Chinese Physics C, 1981, 5(4): 417-428.
[17]	HUANG CHAO-SHANG , DAI YUAN-BEN . ANOMALOUS MAGNETIC MOMENT IN COMPOSITE MODEL OF LEPTONS. Chinese Physics C, 1981, 5(6): 699-705.
[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]	ZHU WEI , ZHANG MIN-SHENG , LU JI-ZONG , FENG CHENG-TIAN , CHU JUN-HAO . A φ⁴-TYPE BAG MODEL OF HADRONS——THE “RUBBER BAG”MODEL Ⅱ.THE MASS SPECTRA OF HADRONS. Chinese Physics C, 1979, 3(3): 266-271.
[20]	DONG FANC-XIAO , ZHOU XIAN-JIA , HUANG TAO , XUE PEI-YOU . SOME CONJECTURES ON LEPAONIC AND STRATON'IC SPECTRA. Chinese Physics C, 1979, 3(1): 127-130.

Access

Get Citation

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

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

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

Article Metric

Article Views(2798)
PDF Downloads(552)
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

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.