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EnglishDuring 1997 the ALEPH experiment at 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 boson in 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) > 87.9 GeV/c(2) at 95% confidence level. (C) 1998 Elsevier Science B.V. All rights reserved.
http://hdl.handle.net/11384/5419| Titolo: | Search for the standard model Higgs boson at the LEP2 collider near root s = 183 GeV |
| Autori interni: | LIGABUE, FRANCO ROLANDI, LUIGI LUSIANI, Alberto |
| Data di pubblicazione: | 1998 |
| Rivista: | PHYSICS LETTERS. SECTION B |
| Abstract: | During 1997 the ALEPH experiment at 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 boson in 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) > 87.9 GeV/c(2) at 95% confidence level. (C) 1998 Elsevier Science B.V. All rights reserved. |
| Handle: | http://hdl.handle.net/11384/5419 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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