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

ALEPH Collaboration (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:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
?? NUCLEAR AND HIGH ENERGY PHYSICS ??
ID Code:
64146
Deposited By:
Deposited On:
14 May 2013 15:03
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 00:29