The data collected in 1998 by ALEPH at LEP at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.2 pb−1, are analysed to search for invisible decays of a Higgs boson produced in the reaction . The number of events found in the data and their properties are in agreement with the Standard Model expectation. This search results in an improved 95% C.L. lower limit on the Higgs boson mass of 95.4 GeV/c2, assuming it decays totally invisibly and for a production cross section equal to that of the Standard Model.

Search for an invisibly decaying Higgs boson in e+e−collisions at 189 GeV / R Barate, D Decamp, P Ghez, C Goy, S Jezequel, J.-P Lees, F Martin, E Merle, M.-N Minard, B Pietrzyk, R Alemany, S Bravo, M.P Casado, M Chmeissani, J.M Crespo, E Fernandez, M Fernandez-Bosman, Ll Garrido, E Graugès, A Juste, et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - ELETTRONICO. - 466:(1999), pp. 50-60. [10.1016/S0370-2693(99)01104-1]

Search for an invisibly decaying Higgs boson in e+e−collisions at 189 GeV

FOCARDI, ETTORE;CIULLI, VITALIANO;
1999

Abstract

The data collected in 1998 by ALEPH at LEP at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.2 pb−1, are analysed to search for invisible decays of a Higgs boson produced in the reaction . The number of events found in the data and their properties are in agreement with the Standard Model expectation. This search results in an improved 95% C.L. lower limit on the Higgs boson mass of 95.4 GeV/c2, assuming it decays totally invisibly and for a production cross section equal to that of the Standard Model.
1999
466
50
60
R Barate;D Decamp;P Ghez;C Goy;S Jezequel;J.-P Lees;F Martin;E Merle;M.-N Minard;B Pietrzyk;R Alemany;S Bravo;M.P Casado;M Chmeissani;J....espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/640315
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