Precise Measurements of the Leptonic Branching Ratios of the Tau Lepton | Zendy

W. W. Ash | Zendy; H. R. Band | Zendy; H. T. Blume | Zendy; T. Camporesi | Zendy; G. B. Chadwick | Zendy; R. W. Coombes | Zendy; M. Delfino | Zendy; E. Fernández | Zendy; W. T. Ford | Zendy; M. Gettner | Zendy; G. P. Goderre | Zendy; D. E. Groom | Zendy; B. K. Heltsley | Zendy; R. B. Hurst | Zendy; J. R. Johnson | Zendy; K. Lau | Zendy; T. L. Lavine | Zendy; R. E. Leedy | Zendy; I. Lippi | Zendy; T. Maruyama | Zendy; R. L. Messner | Zendy; J. Moromisato | Zendy; L. Moss | Zendy; F. Müller | Zendy; H. N. Nelson | Zendy; I. M. Peruzzi | Zendy; M. Piccolo | Zendy; R. Prepost | Zendy; N. D. Qi | Zendy; A. L. Read | Zendy; D. M. Ritson | Zendy; L. J. Rosenberg | Zendy; W. D. Shambroom | Zendy; J. C. Sleeman | Zendy; J. G. Smith | Zendy; J. P. Venuti | Zendy; E. von Goeler | Zendy; Piero Giorgio Verdini | Zendy; H. B. Wald | Zendy; R. Weinstein | Zendy; D. E. Wiser | Zendy; R. W. Zdarko | Zendy

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Precise Measurements of the Leptonic Branching Ratios of the Tau Lepton

Author(s) -

W. W. Ash,

H. R. Band,

H. T. Blume,

T. Camporesi,

G. B. Chadwick,

R. W. Coombes,

M. Delfino,

E. Fernández,

W. T. Ford,

M. Gettner,

G. P. Goderre,

D. E. Groom,

B. K. Heltsley,

R. B. Hurst,

J. R. Johnson,

K. Lau,

T. L. Lavine,

R. E. Leedy,

I. Lippi,

T. Maruyama,

R. L. Messner,

J. Moromisato,

L. Moss,

F. Müller,

H. N. Nelson,

I. M. Peruzzi,

M. Piccolo,

R. Prepost,

N. D. Qi,

A. L. Read,

D. M. Ritson,

L. J. Rosenberg,

W. D. Shambroom,

J. C. Sleeman,

J. G. Smith,

J. P. Venuti,

E. von Goeler,

Piero Giorgio Verdini,

H. B. Wald,

R. Weinstein,

D. E. Wiser,

R. W. Zdarko

Publication year - 1985

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.55.2118

Subject(s) - lepton , physics , storage ring , branching fraction , nuclear physics , particle physics , universality (dynamical systems) , branching (polymer chemistry) , detector , electron , beam (structure) , quantum mechanics , optics , chemistry , organic chemistry

Precise measurements are reported for the leptonic branching ratios of the T lepton from the reaction e+e+ T+Tobserved with the MAC detector operating at PEP. Results from samples in which one T decays into three charged particles and the other to e or /,L are B, = 0.180 f 0.009 f 0.006 and B, = 0.183f0.009f0.005. A sample of ep events gives Be-B, = 0.0288f0.0017f0.0019. With the assumption of e-p universality these results are combined to give B, = 0.178 f 0.005 which implies a T lifetime of (2.85 f 0.09) x lo-l3 sec. PACS numbers: 14.6O.Jj, 13.35.+s

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