Search for high-mass states with one lepton plus missing transverse momentum in proton–proton collisions at s=7 TeV with the ATLAS detector

The ATLAS detector is used to search for high-mass states, such as heavy charged gauge bosons (W′,W⁎), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated lumin...

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Veröffentlicht in:	Physics letters. B 2011-06, Vol.701 (1), p.50-69
Hauptverfasser:	Aad, G., Aderholz, M., Adye, T., Alon, R., Andrieux, M.-L., Antonaki, A., Bednyakov, V.A., Behar Harpaz, S., Benary, O., Bracinik, J., Brock, I., Brodbeck, T.J., Buanes, T., Buckingham, R.M., Buttar, C.M., Caforio, D., Caloba, L.P., Castaneda-Miranda, E., Coadou, Y., Colijn, A.P., Conidi, M.C., Darlea, G.L., De Castro, S., De Cecco, S., De Mora, L., De Vivie De Regie, J.B., Delsart, P.A., DeWilde, B., Di Micco, B., Ellis, N., Elsing, M., Escalier, M., Etienne, F., Feng, C., Ferretto Parodi, A., Garelli, N., Geerts, D.A.A., George, M., Göpfert, T., Gouighri, M., Gusakov, Y., Gwenlan, C., Haider, S., Hansen, J.B., Hartjes, F., Hawkings, R.J., Head, S.J., Hervas, L., Jones, G., Jones, T.W., Kawamoto, T., Kennedy, J., Khodinov, A., Kholodenko, A.G., Khovanskiy, V., Kozhin, A.S., Krasznahorkay, A., Kukhtin, V., Lebel, C., Lu, F., Lubatti, H.J., Maček, B., Madaras, R.J., Mc Kee, S.P., Mechnich, J., Meyer, T.C., Milstead, D.A., Mitrevski, J., Morello, G., Mueller, F., Ohshima, T., Ozcan, V.E., Petteni, M., Potter, C.J., Richter, R., Robichaud-Veronneau, A., Roe, S., Sarangi, T., Scallon, O., Smirnova, L.N., Solfaroli Camillocci, E., Sopko, V., Spanò, F., Starovoitov, P., Stewart, G.A., Tanaka, S., Temming, K.K., Terashi, K., Terron, J., Tsiakiris, M., van Eldik, N., Verkerke, W., Vitells, O., Vives Vaque, F., Vossebeld, J.H., White, A., Wicke, D., Wittgen, M., Yamamoto, K., Yamazaki, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Electroweak interaction Exact sciences and technology Exotics Nuclear physics Particle and resonance production Physics The physics of elementary particles and fields
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Beschreibung
Zusammenfassung:	The ATLAS detector is used to search for high-mass states, such as heavy charged gauge bosons (W′,W⁎), decaying to a charged lepton (electron or muon) and a neutrino. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 36 pb−1. No excess beyond standard model expectations is observed. A W′ with sequential standard model couplings is excluded at 95% confidence level for masses below 1.49 TeV, and a W⁎ (charged chiral boson) for masses below 1.35 TeV.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/j.physletb.2011.05.043