Measurement of the tau -lepton lifetime.

We report a new and precise measurement of the lifetime of the tau lepton. The data were taken with the High Resolution Spectrometer at the SLAC e/sup +/e/sup -/ colliding-beam facility PEP operating at 29 GeV center-of-mass energy. The flight distances of 1311 tau decays to three charged particles were measured with a four-layer tubular-cell vertex chamber in conjunction with the main drift chamber. The resulting lifetime of the tau lepton is tau/sub tau/(2.99 +- 0.15 +- 0.10) x 10/sup -13/ sec.

Price | Paik | Chapman | Miller | Shibata | Gan | Neal | Koltick | Sugano | R. Kass | S. Schaffner | K. Cho | T. Liu | K. Honscheid | N. Katayama | S. Márka | B. Barish | A. Weinstein | D. Besson | J. Thaler | D. Cinabro | A. Freyberger | V. Fadeyev | T. Coan | M. Alam | G. Brandenburg | D. Britton | G. Eigen | K. Gan | V. Jain | H. Kagan | I. Korolkov | S. Kotov | T. Nelson | H. Severini | P. Skubic | A. Soffer | R. Stroynowski | A. Undrus | C. Ward | T. Browder | P. Drell | C. Bebek | A. Bellerive | F. Würthwein | W. Ford | J. Alexander | L. Gibbons | B. Heltsley | J. Patterson | A. Ryd | P. Avery | J. Yelton | P. Baringer | A. Bean | Y. Maravin | J. Gronberg | D. Lange | Y. Kubota | K. Bloom | I. Kravchenko | C. Jessop | D. Miller | I. Shipsey | I. Volobouev | D. Asner | HyangKyu Park | J. Rodriguez | S. Schrenk | M. Perl | R. Wilson | Cork | R. Poling | Youngjoon Kwon | G. Gollin | R. Galik | G. Bonvicini | M. Palmer | D. Riley | R. Kutschke | S. Gray | S. Patton | R. Wanke | M. Bishai | J. Miller | Abachi | M. Zoeller | I. J. Kim | J. Ernst | R. Briere | K. Kinoshita | D. Peterson | P. Gaidarev | K. Berkelman | S. D. Johnson | H. Paar | F. Li | H. Marsiske | T. Skwarnicki | H. Nelson | E. Thorndike | S. Stone | M. Artuso | R. Mountain | S. Menary | J. Ye | M. Witherell | I. Narsky | D. Cassel | J. Duboscq | C. Jones | D. Coppage | J. Richman | R. Davis | A. Smith | A. Mahmood | F. Wappler | B. Spaan | M. Selen | J. Roy | N. Mistry | B. Berger | S. Kopp | J. Urheim | N. Copty | S. Yang | V. Shelkov | D. Macfarlane | P. Rankin | M. Daoudi | R. Ehrlich | K. W. Edwards | D. Hartill | D. Kreinick | A. Sadoff | D. Gibaut | S. Athar | B. Nemati | Z. Ling | A. Efimov | M. Gao | C. Ng | J. Bartelt | P. Kim | N. Kwak | R. Ammar | G. Masek | R. Morrison | B. Gittelman | J. Kandaswamy | E. Nordberg | C. Prescott | B. Eisenstein | I. Karliner | S. Richichi | V. Savinov | J. W. Hinson | J. Lee | E. Shibata | S. Csorna | H. Tajima | M. Goldberg | M. Athanas | R. Janicek | Meyer | R. Greene | G. Moneti | Derrick | Kooijman | Loos | Musgrave | Baringer | Blockus | Brabson | Jung | Ogren | Rust | Akerlof | Errede | Nitz | Thun | Debonte | Loeffler | McIlwain | Ng | P V Rangan | Brom. | Low | G. Gladding | J. Smith | M. Schmidtler | M. Lattery | J. Staeck | T. Riehle | D. Fujino | M. Sung | A. Wolf | J. Fast | M. Yurko | S. Roberts | K. Lingel | D. He | X. Xing | K. W. McLean | I. Lai | P. Pomianowski | M. Chadha | S. Chan | D. Roberts | B. Behrens | D. S. Crowcroft | M. Dickson | T. Lee | M. Ogg | M. Lohner | T. Bergfeld | S. L. Jones | S. Anderson | Tschirhart | S. Nakanishi | G. S. Ludwig | D. Dumas | C. O'grady | D. Bliss | R. Balest | J. O’Neill | W. Ross | N. Hancock | E. Gerndt | Rongping Wang | C. Qiao | H. Cho | D. Coffman | Yaou Liu | J. Masui | J. Mevissen | M. Saulnier | C. Sun | R. Fulton | M. Wood | Y. Mukhin | C. White | R. Elia | Pm Patel | W. Brower | C. M. Korte | Hiroyoshi Yamamoto | S. Timin | Bylsma | Repond | Ken

[1]  Gibson,et al.  The OPAL Detector at LEP , 1990 .

[2]  S. Bethke,et al.  A measurement of the τ lepton lifetime , 1989 .

[3]  B. Webber,et al.  Monte Carlo simulation of general hard processes with coherent QCD radiation , 1988 .

[4]  Marciano,et al.  Electroweak radiative corrections to tau decay. , 1988, Physical review letters.

[5]  P. Clifford,et al.  How to combine correlated estimates of a single physical quantity , 1988 .

[6]  R. Kleiss,et al.  Radiative corrections to Bhabha scattering at high energies: (II). Hard photon corrections and Monte Carlo treatment , 1988 .

[7]  M. Bohm,et al.  Radiative corrections to Bhabha scattering at high energies (I): Virtual and soft photon corrections , 1988 .

[8]  B. Barish,et al.  The physics of the τ lepton , 1988 .

[9]  P. Hobson,et al.  An application of the GEANT3 geometry package to the description of the opal detector , 1987 .

[10]  Weinstein,et al.  Precise measurement of the lifetime of the tau lepton. , 1987, Physical review letters.

[11]  Torbjörn Sjöstrand,et al.  The Lund Monte Carlo for Jet Fragmentation and e+ e- Physics. Jetset Version 6.3: An Update , 1987 .

[12]  Sun,et al.  Measurement of the tau lifetime. , 1983, Physical review. D, Particles and fields.

[13]  Nading Qi.  Measurement of the Tau Lepton Lifetime. , 1987 .

[14]  S. W. Gray,et al.  Design and construction of the CLEO II drift chamber , 1986 .

[15]  Torbjörn Sjöstrand,et al.  The Lund Monte Carlo for jet fragmentation and e+e- physics - jetset version 6.2 , 1986 .

[16]  S. Jadach,et al.  Monte Carlo simulation of the process e+e-→τ+τ-, τ±→X± including radiative O(α3) QED corrections, mass and spin effects , 1985 .

[17]  P. Billoir.  Track fitting with multiple scattering: A new method , 1984 .

[18]  D. Amidei,et al.  Precise measurement of the tau lifetime , 1983 .

[19]  G. K. Chang,et al.  The CLEO detector , 1983 .

[20]  A. G. Frodesen,et al.  Measurement of the $\tau$ Lifetime , 1982 .

[21]  R. Kleiss,et al.  Initial State Radiation for e+ e- Annihilation Into Jets , 1981 .

[22]  山本 祐靖,et al.  A. G. Frodesen, O. Skjeggestad and H. Tofte: Probability and Statistics in Particle Physics, Universitetsforlaget, Bergen, 1979, xvii+501ページ, 22.5×15.5cm, 9,000円. , 1980 .

[23]  S. Glashow.  Towards a unified theory: Threads in a tapestry , 1980 .

[24]  A. G. Frodesen,et al.  Probability and statistics in particle physics , 1979 .

[25]  J. Smith,et al.  Two-photon production processes at high energy. III , 1977 .

[26]  J. Smith,et al.  Two-photon production processes at high energy. I. [Total cross sections] , 1977 .

[27]  W. T. Eadie,et al.  Statistical Methods in Experimental Physics , 1973 .

[28]  A. Barbaro-Galtieri,et al.  Review of Particle Properties Particle Data Group , 1971 .

[29]  Stewart Da.  The Vancouver Meeting. , 1920, Canadian Medical Association journal.