Search for the standard model Higgs boson at the LEP2 collider near root s=183 GeV (vol 440, pg 403, 1998)
1999
During 1997 the
ALEPH experimentat LEP gathered 57 pb(-1) of data at centre-of-mass energies near 183 GeV. These data are used to look for possible signals from the production of the Standard Model
Higgs bosonin the reaction e(+)e(-) --> HZ. No evidence of a signal is found in the data; seven events are selected, in agreement with the expectation of 7.2 events from
background processes. This observation results in an improved lower limit on the mass of the
Higgs boson: m(H) greater-than 87.9 GeV/c(2) at 95% confidence level. (C) 1999 Elsevier Science B.V. All rights reserved.
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