A search for a heavy standard model Higgs boson decaying via , where , is presented. It is based on proton-proton collision data at √s=7TeV, collected by the ATLAS experiment at the LHC in the first half of 2011 and corresponding to an integrated luminosity of 1.04fb-1. The data are compared to the expected standard model backgrounds. The data and the background expectations are found to be in agreement and upper limits are placed on the Higgs boson production cross section over the entire mass window considered; in particular, the production of a standard model Higgs boson is excluded in the region 340<mH<450GeV at the 95% confidence level. © 2011 CERN.

Search for a standard model higgs boson in the decay channel with the ATLAS detector / Aad, G., Abbott, B., Abdallah, J., Abdelalim, A.A., Abdesselam, A., Abdinov, O., Abi, B., Abolins, M., Abramowicz, H., Abreu, H., Acerbi, E., Acharya, B.S., Adams, D.L., Addy, T.N., Adelman, J., Aderholz, M., Adomeit, S., Adragna, P., Adye, T., Aefsky, S., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 107:22(2011), pp. 435-451. [10.1016/j.physletb.2011.10.034]

Search for a standard model higgs boson in the decay channel with the ATLAS detector

G. Artoni;BAGNAIA, Paolo;BINI, Cesare;DE CECCO, Sandro;DIONISI, Carlo;GENTILE, Simonetta;GIAGU, Stefano;M. Kado;LACAVA, Francesco;LUCI, Claudio;MESSINA, Andrea;MONZANI, SIMONE;A. Policicchio;SOLFAROLI CAMILLOCCI, ELENA;VERDUCCI, MONICA;
2011

Abstract

A search for a heavy standard model Higgs boson decaying via , where , is presented. It is based on proton-proton collision data at √s=7TeV, collected by the ATLAS experiment at the LHC in the first half of 2011 and corresponding to an integrated luminosity of 1.04fb-1. The data are compared to the expected standard model backgrounds. The data and the background expectations are found to be in agreement and upper limits are placed on the Higgs boson production cross section over the entire mass window considered; in particular, the production of a standard model Higgs boson is excluded in the region 340
2011
01 Pubblicazione su rivista::01a Articolo in rivista
Search for a standard model higgs boson in the decay channel with the ATLAS detector / Aad, G., Abbott, B., Abdallah, J., Abdelalim, A.A., Abdesselam, A., Abdinov, O., Abi, B., Abolins, M., Abramowicz, H., Abreu, H., Acerbi, E., Acharya, B.S., Adams, D.L., Addy, T.N., Adelman, J., Aderholz, M., Adomeit, S., Adragna, P., Adye, T., Aefsky, S., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 107:22(2011), pp. 435-451. [10.1016/j.physletb.2011.10.034]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/449306
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