A Precise Measurement of the Tau Lifetime
| dc.creator | The DELPHI Collaboration | |
| dc.creator | Abdallah, J. | |
| dc.date | 2004-10-05 | |
| dc.date.accessioned | 2026-07-07T11:57:56Z | |
| dc.date.available | 2026-07-07T11:57:56Z | |
| dc.description | The tau lepton lifetime has been measured with the e+e- -> tau+tau- events collected by the DELPHI detector at LEP in the years 1991-1995. Three different methods have been exploited, using both one-prong and three-prong tau decay channels. Two measurements have been made using events in which both taus decay to a single charged particle. Combining these measurements gave tau_tau (1 prong) = 291.8 +/- 2.3 (stat) +/- 1.5 (sys) fs. A third measurement using taus which decayed to three charged particles yielded tau_tau (3 prong) = 288.6 +/- 2.4 (stat) +/- 1.3 (sys) fs. These were combined with previous DELPHI results to measure the tau lifetime, using the full LEP1 data sample, to be tau_tau = 290.9 +/- 1.4 (stat) +/- 1.0 (sys) fs. | |
| dc.description | 27 pages, 7 figures | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0410010 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0410010 | |
| dc.identifier | Eur.Phys.J.C36:283-296,2004 | |
| dc.identifier | doi:10.1140/epjc/s2004-01948-4 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/206057 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | A Precise Measurement of the Tau Lifetime | |
| dc.type | text |