Precise measurements of the leptonic branching ratios of the tau lepton

W. W. Ash; H. R. Band; H. T. Blume; T. Camporesi; G. B. Chadwick; R. W. Coombes; M. C. Delfino; E. Fernandez; W. T. Ford; M. W. Gettner; G. P. Goderre; D. E. Groom; B. K. Heltsley; R. B. Hurst; J. R. Johnson; K. H. Lau; T. L. Lavine; R. E. Leedy; I. Lippi; T. Maruyama; R. L. Messner; J. H. Moromisato; L. J. Moss; F. Muller; H. N. Nelson; I. Peruzzi; M. Piccolo; R. Prepost; N. 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; P. Verdini; H. B. Wald; Roy Weinstein; D. E. Wiser; R. W. Zdarko

doi:10.1103/PhysRevLett.55.2118

Precise measurements of the leptonic branching ratios of the tau lepton

W. W. Ash, H. R. Band, H. T. Blume, T. Camporesi, G. B. Chadwick, R. W. Coombes, M. C. Delfino, E. Fernandez, W. T. Ford, M. W. Gettner, G. P. Goderre, D. E. Groom, B. K. Heltsley, R. B. Hurst, J. R. Johnson, K. H. Lau, T. L. Lavine, R. E. Leedy, I. Lippi, T. MaruyamaR. L. Messner, J. H. Moromisato, L. J. Moss, F. Muller, H. N. Nelson, I. Peruzzi, M. Piccolo, R. Prepost, N. 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, P. Verdini, H. B. Wald, Roy Weinstein, D. E. Wiser, R. W. Zdarko

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

20 Citations (Scopus)

Abstract

Precise measurements are reported for the leptonic branching ratios of the lepton from the reaction e+e-+- observed with the MAC detector operating at the SLAC storage ring PEP. Results from samples in which one decays into three charged particles and the other to e or are Be=0.180 0.009 0.006 and B=0.183 0.009 0.005. A sample of e events gives BeB=0.0288 0.0017 0.0019. With the assumption of e- universality, these results are combined to give Be=0.178 0.005, which implies a lifetime of (2.85 0.09)×10-13 sec. © 1985 The American Physical Society.

Original language	English
Pages (from-to)	2118-2121
Journal	Physical Review Letters
Volume	55
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.55.2118
Publication status	Published - 1 Jan 1985

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Ash, W. W., Band, H. R., Blume, H. T., Camporesi, T., Chadwick, G. B., Coombes, R. W., Delfino, M. C., Fernandez, E., Ford, W. T., Gettner, M. W., Goderre, G. P., Groom, D. E., Heltsley, B. K., Hurst, R. B., Johnson, J. R., Lau, K. H., Lavine, T. L., Leedy, R. E., Lippi, I., ... Zdarko, R. W. (1985). Precise measurements of the leptonic branching ratios of the tau lepton. Physical Review Letters, 55(20), 2118-2121. https://doi.org/10.1103/PhysRevLett.55.2118

Ash, W. W. ; Band, H. R. ; Blume, H. T. ; Camporesi, T. ; Chadwick, G. B. ; Coombes, R. W. ; Delfino, M. C. ; Fernandez, E. ; Ford, W. T. ; Gettner, M. W. ; Goderre, G. P. ; Groom, D. E. ; Heltsley, B. K. ; Hurst, R. B. ; Johnson, J. R. ; Lau, K. H. ; Lavine, T. L. ; Leedy, R. E. ; Lippi, I. ; Maruyama, T. ; Messner, R. L. ; Moromisato, J. H. ; Moss, L. J. ; Muller, F. ; Nelson, H. N. ; Peruzzi, I. ; Piccolo, M. ; Prepost, R. ; Qi, N. ; Read, A. L. ; Ritson, D. M. ; Rosenberg, L. J. ; Shambroom, W. D. ; Sleeman, J. C. ; Smith, J. G. ; Venuti, J. P. ; Von Goeler, E. ; Verdini, P. ; Wald, H. B. ; Weinstein, Roy ; Wiser, D. E. ; Zdarko, R. W. / Precise measurements of the leptonic branching ratios of the tau lepton. In: Physical Review Letters. 1985 ; Vol. 55, No. 20. pp. 2118-2121.

@article{47f644971ac34b3aad0346bd139e0ba4,

title = "Precise measurements of the leptonic branching ratios of the tau lepton",

abstract = "Precise measurements are reported for the leptonic branching ratios of the lepton from the reaction e+e-+- observed with the MAC detector operating at the SLAC storage ring PEP. Results from samples in which one decays into three charged particles and the other to e or are Be=0.180 0.009 0.006 and B=0.183 0.009 0.005. A sample of e events gives BeB=0.0288 0.0017 0.0019. With the assumption of e- universality, these results are combined to give Be=0.178 0.005, which implies a lifetime of (2.85 0.09)×10-13 sec. {\textcopyright} 1985 The American Physical Society.",

author = "Ash, {W. W.} and Band, {H. R.} and Blume, {H. T.} and T. Camporesi and Chadwick, {G. B.} and Coombes, {R. W.} and Delfino, {M. C.} and E. Fernandez and Ford, {W. T.} and Gettner, {M. W.} and Goderre, {G. P.} and Groom, {D. E.} and Heltsley, {B. K.} and Hurst, {R. B.} and Johnson, {J. R.} and Lau, {K. H.} and Lavine, {T. L.} and Leedy, {R. E.} and I. Lippi and T. Maruyama and Messner, {R. L.} and Moromisato, {J. H.} and Moss, {L. J.} and F. Muller and Nelson, {H. N.} and I. Peruzzi and M. Piccolo and R. Prepost and N. Qi and Read, {A. L.} and Ritson, {D. M.} and Rosenberg, {L. J.} and Shambroom, {W. D.} and Sleeman, {J. C.} and Smith, {J. G.} and Venuti, {J. P.} and {Von Goeler}, E. and P. Verdini and Wald, {H. B.} and Roy Weinstein and Wiser, {D. E.} and Zdarko, {R. W.}",

year = "1985",

month = jan,

day = "1",

doi = "10.1103/PhysRevLett.55.2118",

language = "English",

volume = "55",

pages = "2118--2121",

number = "20",

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Ash, WW, Band, HR, Blume, HT, Camporesi, T, Chadwick, GB, Coombes, RW, Delfino, MC, Fernandez, E, Ford, WT, Gettner, MW, Goderre, GP, Groom, DE, Heltsley, BK, Hurst, RB, Johnson, JR, Lau, KH, Lavine, TL, Leedy, RE, Lippi, I, Maruyama, T, Messner, RL, Moromisato, JH, Moss, LJ, Muller, F, Nelson, HN, Peruzzi, I, Piccolo, M, Prepost, R, Qi, N, Read, AL, Ritson, DM, Rosenberg, LJ, Shambroom, WD, Sleeman, JC, Smith, JG, Venuti, JP, Von Goeler, E, Verdini, P, Wald, HB, Weinstein, R, Wiser, DE & Zdarko, RW 1985, 'Precise measurements of the leptonic branching ratios of the tau lepton', Physical Review Letters, vol. 55, no. 20, pp. 2118-2121. https://doi.org/10.1103/PhysRevLett.55.2118

Precise measurements of the leptonic branching ratios of the tau lepton. / Ash, W. W.; Band, H. R.; Blume, H. T.; Camporesi, T.; Chadwick, G. B.; Coombes, R. W.; Delfino, M. C.; Fernandez, E.; Ford, W. T.; Gettner, M. W.; Goderre, G. P.; Groom, D. E.; Heltsley, B. K.; Hurst, R. B.; Johnson, J. R.; Lau, K. H.; Lavine, T. L.; Leedy, R. E.; Lippi, I.; Maruyama, T.; Messner, R. L.; Moromisato, J. H.; Moss, L. J.; Muller, F.; Nelson, H. N.; Peruzzi, I.; Piccolo, M.; Prepost, R.; Qi, N.; Read, A. L.; Ritson, D. M.; Rosenberg, L. J.; Shambroom, W. D.; Sleeman, J. C.; Smith, J. G.; Venuti, J. P.; Von Goeler, E.; Verdini, P.; Wald, H. B.; Weinstein, Roy; Wiser, D. E.; Zdarko, R. W.

In: Physical Review Letters, Vol. 55, No. 20, 01.01.1985, p. 2118-2121.

Research output: Contribution to journal › Article › Research › peer-review

TY - JOUR

T1 - Precise measurements of the leptonic branching ratios of the tau lepton

AU - Ash, W. W.

AU - Band, H. R.

AU - Blume, H. T.

AU - Camporesi, T.

AU - Chadwick, G. B.

AU - Coombes, R. W.

AU - Delfino, M. C.

AU - Fernandez, E.

AU - Ford, W. T.

AU - Gettner, M. W.

AU - Goderre, G. P.

AU - Groom, D. E.

AU - Heltsley, B. K.

AU - Hurst, R. B.

AU - Johnson, J. R.

AU - Lau, K. H.

AU - Lavine, T. L.

AU - Leedy, R. E.

AU - Lippi, I.

AU - Maruyama, T.

AU - Messner, R. L.

AU - Moromisato, J. H.

AU - Moss, L. J.

AU - Muller, F.

AU - Nelson, H. N.

AU - Peruzzi, I.

AU - Piccolo, M.

AU - Prepost, R.

AU - Qi, N.

AU - Read, A. L.

AU - Ritson, D. M.

AU - Rosenberg, L. J.

AU - Shambroom, W. D.

AU - Sleeman, J. C.

AU - Smith, J. G.

AU - Venuti, J. P.

AU - Von Goeler, E.

AU - Verdini, P.

AU - Wald, H. B.

AU - Weinstein, Roy

AU - Wiser, D. E.

AU - Zdarko, R. W.

PY - 1985/1/1

Y1 - 1985/1/1

N2 - Precise measurements are reported for the leptonic branching ratios of the lepton from the reaction e+e-+- observed with the MAC detector operating at the SLAC storage ring PEP. Results from samples in which one decays into three charged particles and the other to e or are Be=0.180 0.009 0.006 and B=0.183 0.009 0.005. A sample of e events gives BeB=0.0288 0.0017 0.0019. With the assumption of e- universality, these results are combined to give Be=0.178 0.005, which implies a lifetime of (2.85 0.09)×10-13 sec. © 1985 The American Physical Society.

AB - Precise measurements are reported for the leptonic branching ratios of the lepton from the reaction e+e-+- observed with the MAC detector operating at the SLAC storage ring PEP. Results from samples in which one decays into three charged particles and the other to e or are Be=0.180 0.009 0.006 and B=0.183 0.009 0.005. A sample of e events gives BeB=0.0288 0.0017 0.0019. With the assumption of e- universality, these results are combined to give Be=0.178 0.005, which implies a lifetime of (2.85 0.09)×10-13 sec. © 1985 The American Physical Society.

U2 - 10.1103/PhysRevLett.55.2118

DO - 10.1103/PhysRevLett.55.2118

M3 - Article

VL - 55

SP - 2118

EP - 2121

IS - 20

ER -