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Search for WH associated production in 5.3 fb .sup.-1./sup. of p(p)over-bar collisions at the Fermilab Tevatron
- 1.0367684 - FZÚ 2013 RIV NL eng J - Článek v odborném periodiku
Abazov, V. M. - Abbott, B. - Acharya, B.S. - Kupčo, Alexander - Lokajíček, Miloš … celkem 425 autorů
Search for WH associated production in 5.3 fb -1 of p(p)over-bar collisions at the Fermilab Tevatron.
Physics Letters. B. Roč. 698, č. 1 (2011), s. 6-13. ISSN 0370-2693. E-ISSN 1873-2445
Grant CEP: GA MŠMT LA08047
Výzkumný záměr: CEZ:AV0Z10100502
Klíčová slova: Tevatron * D0 * Higgs * lepton
Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
Impakt faktor: 3.955, rok: 2011
http://www.sciencedirect.com/science/article/pii/S037026931100181X
We present a search for associated production of Higgs and W bosons in View the MathML source collisions at a center of mass energy of View the MathML source in 5.3 fb−1 of integrated luminosity recorded by the D0 experiment. Multivariate analysis techniques are applied to events containing one lepton, an imbalance in transverse energy, and one or two b-tagged jets to discriminate a potential WH signal from Standard Model backgrounds. We observe good agreement between data and expected backgrounds, and set an upper limit of 4.5 (at 95% confidence level and for mH=115 GeV) on the ratio of the WH cross section multiplied by the branching fraction of View the MathML source to its Standard Model prediction, which is consistent with an expected limit of 4.8.
Trvalý link: http://hdl.handle.net/11104/0202272
Number of the records: 1