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Search for the standard model Higgs boson in e+ e- collisions at s**(1/2) = 161-GeV, 170-GeV and 172-GeV

Barate, R. and Finch, Alexander (1997) Search for the standard model Higgs boson in e+ e- collisions at s**(1/2) = 161-GeV, 170-GeV and 172-GeV. Physics Letters B, 412 (1-2). pp. 155-172. ISSN 0370-2693

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Abstract

The reaction e+e− → HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9 pb−1, 1.1 pb−1, and 9.5 pb−1 collected by the ALEPH experiment at LEP during 1996, at centre-of-mass energies of 161, 170 and 172 GeV, respectively. No candidate events were found, in agreement with the expected background of 0.84 events from all Standard Model processes. This search results in a 95% C.L. lower limit on the Higgs boson mass of 69.4 GeV/c2. When combined with earlier ALEPH searches performed at energies at and around the Z peak, this limit increases to 70.7 GeV/c2.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64146
Deposited By: ep_importer_pure
Deposited On: 14 May 2013 16:03
Refereed?: Yes
Published?: Published
Last Modified: 19 Sep 2017 04:44
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64146

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