| Početna stranica > W mass measurements using fully hadronic events at LEP2 |
| Article | |
| Title | W mass measurements using fully hadronic events at LEP2 |
| Author(s) | Schmidt-Kärst, S (Phys Inst III, Rheinisch-Westfalische Tech Hochschule, Aachen, Germany) |
| Publication | 2001 |
| In: | 30th International Conference on High-energy Physics, Osaka, Japan, 27 Jul - 2 Aug 2000, pp.698-701 (vol.1) |
| Subject category | Particle Physics - Phenomenology |
| Abstract | Since 1996 each LEP experiment recorded data corresponding to an integrated luminosity around 460-500 pb/sup -1/ at centre-of-mass energies between 161 GeV and 202 GeV. The experimental methods to measure the mass of the W boson in the fully hadronic channel are discussed and the preliminary combined value of the four LEP experiments is presented M/sub W/(qqqq) = 80 432 +or- 0 073 GeV. The LEP combined result for the mass of the W boson, obtained from all channels and all data recorded at centre-of-mass energies above the W- pair threshold, is M/sub W/ = 80 427 +or- 0 046 GeV. The width of the W boson is measured to be Gamma /sub W/ = 2 12 +or- 0 11 GeV.. |