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Searches for neutral Higgs bosons in e+ e- collisions at center-of-mass energies from 192-GeV to 202-GeV

ALEPH Collaboration, The and Barate, R. and Bouhova-Thacker, Evelina and Bowdery, Christopher and Finch, Alexander and Foster, Frank and Hughes, Gareth and Jones, Roger and Smizanska, Maria (2001) Searches for neutral Higgs bosons in e+ e- collisions at center-of-mass energies from 192-GeV to 202-GeV. Physics Letters B, 499 (1-2). pp. 53-66. ISSN 0370-2693

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Abstract

Searches for neutral Higgs bosons are performed with the 237 pb−1 of data collected in 1999 by the ALEPH detector at LEP, for centre-of-mass energies between 191.6 and 201.6 GeV. These searches apply to Higgs bosons within the context of the Standard Model and its minimal supersymmetric extension (MSSM) as well as to invisibly decaying Higgs bosons. No evidence of a signal is seen. A lower limit on the mass of the Standard Model Higgs boson of 107.7 GeV/c2 at 95% confidence level is set. In the MSSM, lower limits of 91.2 and 91.6 GeV/c2 are derived for the masses of the neutral Higgs bosons h and A, respectively. For a Higgs boson decaying invisibly and produced with the Standard Model cross section, masses below 106.4 GeV/c2 are excluded.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63934
Deposited By: ep_importer_pure
Deposited On: 07 May 2013 11:42
Refereed?: Yes
Published?: Published
Last Modified: 22 Nov 2017 22:52
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/63934

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