The reaction e+e− → HZ∗ is used to search for the standard model Higgs boson in the View the MathML source and the Hℓ+ℓ− channels. The data sample corresponds to about 4.5 million hadronic Z decays collected by the ALEPH experiment at LEP from 1989 to 1995 at centre-of-mass energies at and around the Z peak. Three candidate events are found in the Hμ+μ− channel, in agreement with the expected background from the electroweak process e+e−View the MathML source. This search results in a 95% C.L. lower limit on the Higgs boson mass of 63.9 GeV/c2.

Mass limit for the standard model Higgs boson with the full LEP I ALEPH data sample / D. Buskulic, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J.-P. Lees, A. Lucotte, M.-N. Minard, J.-Y. Nief, P. Odier, B. Pietrzyk, M.P. Casado, M. Chmeissani, J.M. Crespo, M. Delfino, I. Efthymiopoulos, E. Fernandez, M. Fernandez-Bosman, Ll. Garrido, A. Juste, et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - ELETTRONICO. - 384:(1996), pp. 427-438. [10.1016/0370-2693(96)00800-3]

Mass limit for the standard model Higgs boson with the full LEP I ALEPH data sample

FOCARDI, ETTORE;CIULLI, VITALIANO;
1996

Abstract

The reaction e+e− → HZ∗ is used to search for the standard model Higgs boson in the View the MathML source and the Hℓ+ℓ− channels. The data sample corresponds to about 4.5 million hadronic Z decays collected by the ALEPH experiment at LEP from 1989 to 1995 at centre-of-mass energies at and around the Z peak. Three candidate events are found in the Hμ+μ− channel, in agreement with the expected background from the electroweak process e+e−View the MathML source. This search results in a 95% C.L. lower limit on the Higgs boson mass of 63.9 GeV/c2.
1996
384
427
438
D. Buskulic;I. De Bonis;D. Decamp;P. Ghez;C. Goy;J.-P. Lees;A. Lucotte;M.-N. Minard;J.-Y. Nief;P. Odier;B. Pietrzyk;M.P. Casado;M. Chmeis...espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/638516
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