par Abreu, Pedro;Bertrand, Daniel 
;Braibant, Sylvie J.S.J. ;Bricman, Charles ;Cao, Futian;Daubie, Evelyne;De Boeck, Hugo;De Clercq, Catherine;Grard, Fernand ;Herquet, Philippe ;Huet, Kathy;Kesteman, José;Lemonne, Jacques ;Pingot, Omer;Stichelbaut, Frédéric T. ;Van Doninck, Walter;Wickens, John H. ; [et al.]
Référence Physics letters. Section B, 302, 2-3, page (356-368)
Publication Publié, 1993-03
;Braibant, Sylvie J.S.J. ;Bricman, Charles ;Cao, Futian;Daubie, Evelyne;De Boeck, Hugo;De Clercq, Catherine;Grard, Fernand ;Herquet, Philippe ;Huet, Kathy;Kesteman, José;Lemonne, Jacques ;Pingot, Omer;Stichelbaut, Frédéric T. ;Van Doninck, Walter;Wickens, John H. ; [et al.]Référence Physics letters. Section B, 302, 2-3, page (356-368)
Publication Publié, 1993-03
Article révisé par les pairs
| Résumé : | The tau lepton lifetime is measured using four different methods with the DELPHI detector. Three measurements using one prong decays are combined, accounting for correlations, resulting in ττ=298 ±7 (stat.)±4 (syst.) fs while the decay length distribution of three prong decays gives ππ=298±13 (stat)±(syst.) fs. The combined result is ττ=298±7 fs. The ratio of the Fermi coupling constant from tau decay relative to that from muon decay is found to be 0.985±0.013, compatible with lepton universality. © 1993. |
