A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated luminosity of 233.2 pb(-1). Decays into a charm and a strange quark or into a tan lepton and its neutrino are considered. The observed events are consistent with the expectations from Standard Model background processes. Including data taken at lower centre-of-mass energies, lower limits on the charged Higgs mass are derived at the 95% confidence level. They vary from 67.4 to 79.9 GeV as a function of the H+/- --> tau upsilon branching ratio. (C) 2000 Published by Elsevier Science B.V.

Search for charged Higgs bosons in e(+)e(-) collisions at centre-of-mass energies up to 202 GeV / M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M. G. Alviggi, G. Ambrosi, H. Anderhub, V. P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, L. Baksay, et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - ELETTRONICO. - 496:(2000), pp. 34-42. [10.1016/S0370-2693(00)01272-7]

Search for charged Higgs bosons in e(+)e(-) collisions at centre-of-mass energies up to 202 GeV

ADRIANI, OSCAR;BECATTINI, FRANCESCO;D'ALESSANDRO, RAFFAELLO;
2000

Abstract

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated luminosity of 233.2 pb(-1). Decays into a charm and a strange quark or into a tan lepton and its neutrino are considered. The observed events are consistent with the expectations from Standard Model background processes. Including data taken at lower centre-of-mass energies, lower limits on the charged Higgs mass are derived at the 95% confidence level. They vary from 67.4 to 79.9 GeV as a function of the H+/- --> tau upsilon branching ratio. (C) 2000 Published by Elsevier Science B.V.
2000
496
34
42
M. Acciarri;P. Achard;O. Adriani;M. Aguilar-Benitez;J. Alcaraz;G. Alemanni;J. Allaby;A. Aloisio;M. G. Alviggi;G. Ambrosi;H. Anderhub;V. P. ...espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/774953
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