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

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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.

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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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