Search for the Standard Model Higgs boson in the two photon decay channel with the ATLAS detector at the LHC

A search for the Standard Model Higgs boson in the two photon decay channel is reported, using 1.08 fb−1 of proton–proton collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS detector. No significant excess is observed in the investigated mass range of 110–150 GeV. Upper limits o...

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Veröffentlicht in:	Physics letters. B 2011-11, Vol.705 (5), p.452-470
Hauptverfasser:	Aad, G., Aderholz, M., Adye, T., Amako, K., Bachacou, H., Bieniek, S.P., Blumenschein, U., Bocci, A., Boterenbrood, H., Bressler, S., Buira-Clark, D., Buttar, C.M., Cakir, O., Cardarelli, R., Catmore, J.R., Cattani, G., Cornelissen, T., Daya, R.K., De Nooij, L., Dobos, D., Doherty, T., Einsweiler, K., El Kacimi, M., Ellis, N., Etienne, F., Farilla, A., Fleckner, J., Fukunaga, C., Gonzalez, S., Gonzalez-Sevilla, S., Gorišek, A., Groh, M., Gutierrez, P., Hamilton, A., Hansen, P.H., Head, S.J., Henrichs, A., Henriques Correia, A.M., Hertenberger, R., Hughes-Jones, R.E., Hurwitz, M., Jia, J., Jimenez Belenguer, M., Khovanskiy, N., Lantzsch, K., Lee, L., Lehmann Miotto, G., Levitski, M.S., Linnemann, J.T., Loginov, A., Luminari, L., Majewski, S., Mal, P., Mallik, U., Mann, A., Marzin, A., Massaro, G., Melachrinos, C., Mercurio, K.M., Messina, A., Metcalfe, J., Montesano, S., Musto, E., Nakahama, Y., Nektarijevic, S., Neubauer, M.S., Nikolic-Audit, I., Ogren, H., Oh, A., Pecsy, M., Peleganchuk, S.V., Pribyl, L., Quarrie, D.R., Rosenthal, O., Sauvage, G., Scannicchio, D.A., Schiavi, C., Schwemling, Ph, Shan, L.Y., Siegert, F., Sijacki, Dj, Smakhtin, V., Smolek, K., Stelzer-Chilton, O., Stupak, J., Tanaka, S., Terashi, K., Thioye, M., Toczek, B., Tollefson, K., Tomoto, M., Tsiakiris, M., Tsybychev, D., Unel, G., van der Ster, D., Vazeille, F., Vitells, O., Yao, Y., Yasu, Y., Zoccoli, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Channels Decay Detectors Exact sciences and technology fysik Higgs bosons High Energy Physics - Experiment Mathematical models Nuclear physics Photons Physics Searching The physics of elementary particles and fields
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Beschreibung
Zusammenfassung:	A search for the Standard Model Higgs boson in the two photon decay channel is reported, using 1.08 fb−1 of proton–proton collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS detector. No significant excess is observed in the investigated mass range of 110–150 GeV. Upper limits on the cross-section times branching ratio of between 2.0 and 5.8 times the Standard Model prediction are derived for this mass range.
ISSN:	0370-2693 1873-2445 1873-2445
DOI:	10.1016/j.physletb.2011.10.051