Search for Higgs boson decays to a photon and a Z boson in pp collisions at sqrt(s)=7 and 8 TeV with the ATLAS detector
- Aad, G.
- Alio, L.
- Barbero, M.
- Bertella, C.
- C. Clémens, J.
- Coadou, Y.
- Djama, F.
- Feligioni, L.
- Hoffmann, D.
- Hubaut, F.
- B. F. G. Knoops, E.
- Le Guirriec, E.
- Li, B.
- Madaffari, D.
- Mochizuki, K.
- Monnier, E.
- Nagai, Y.
- Odier, J.
- Pralavorio, P.
- Rozanov, A.
- Serre, T.
- Talby, M.
- Tannoury, N.
- Tiouchichine, E.
- Tisserant, S.
- Toth, J.
- Touchard, F.
- Ughetto, M.
- Vacavant, L.
- Donini, J.
- Dubreuil, E.
- Ghodbane, N.
- Gris, Ph.
- Guicheney, C.
- Liao, H.
- Pallin, D.
- Paredes Hernández, Daniela
- Podlyski, F.
- Santoni, C.
- Theveneaux-Pelzer, Timothée
- Valery, Loïc
- Vazeille, F.
- Beau, T.
- Bomben, M.
- Calderini, G.
- Crescioli, F.
- Davignon, O.
- De Cecco, S.
- Demilly, A.
- Derue, F.
- Krasny, M.W.
- Lacour, D.
- Laforge, B.
- Laplace, S.
- Le Dortz, O.
- Lefebvre, G.
- Malaescu, B.
- Marchiori, G.
- Nikolic-Audit, I.
- Ocariz, J.
- Pires, S.
- Rangel-Smith, C.
- Ridel, M.
- Roos, L.
- Trincaz-Duvoid, S.
- Vannucci, F.
- Varouchas, D.
- Abreu, H.
- Bachaou, H.
- Balli, F.
- Bauer, F.
- Besson, N.
- Blanchard, J.-B.
- Bolnet, N.M.
- Boonekamp, M.
- Chevalier, L.
- Dano Hoffmann, M.
- Deliot, F.
- Ernwein, J.
- Etienvre, A.I.
- Formica, A.
- Giraud, P.F.
- Grabas, H.M.X.
- Guyot, C.
- Hassani, S.
- Kozanecki, W.
- Lancon, E.
- Laporte, J.F.
- Maiani, C.
- Mal, P.
- Mansoulie, B.
- Martinez, H.
- Meric, N.
- Meyer, J.-P.
- Mijovic, L.
- Nicolaidou, R.
- Ouraou, A.
- Protopapadaki, E.
- Resende, B.
- Royon, C.R.
- L. Schoffel, L.
- Schune, Ph.
- Schwemling, Ph.
- Schwindling, J.
- Tsionou, D.
- Vranjes, N.
- Xiao, M.
- Rahal, G.
- Albrand, S.
- Brown, J.
- Clement, B.
- Collot, J.
- Crépé-Renaudin, S.
- Dechenaux, B.
- Delsart, P.A.
- Gabaldon, C.
- Genest, M.H.
- Hostachy, J.Y.
- Le, B.T.
- Ledroit-Guillon, F.
- Lleres, A.
- Lucotte, A.
- Malek, F.
- Monini, C.
- Stark, J.
- Trocmé, B.
- Barnovska, Z.
- Berger, N.
- Delmastro, M.
- Di Ciaccio, L.
- Doan, T.K.O.
- Elles, S.
- Goy, C.
- Hryn'Ova, T.
- Jézéquel, S.
- Keoshkerian, H.
- Lafaye, R.
- Leveque, J.
- Lombardo, V.P.
- Massol, N.
- Przysiezniak, H.
- Sauvage, G.
- Sauvan, E.
- Schwoerer, M.
- Todorov, T.
- Wingerter-Seez, I.
- Zitoun, R.
- Abdel Khalek, S.
- Augé, E.
- Bassalat, A.
- Binet, S.
- Bourdarios, C.
- De La Taille, C.
- De Vivie De Regie, J.B.
- Duflot, L.
- Escalier, M.
- Fayard, L.
- Fournier, D.
- Grivaz, J.-F.
- Guillemin, T.
- Henrot-Versillé, S.
- Hrivnac, J.
- Iconomidou-Fayard, L.
- Idarraga, J.
- Kado, M.
- Lorenzo Martinez, N.
- Lounis, A.
- Makovec, N.
- Poggioli, L.
- Puzo, P.
- Renaud, A.
- Rousseau, D.
- Rybkin, G.
- Sauvan, J.B.
- Schaarschmidt, J.
- Schaffer, A.C.
- Scifo, E.
- Serin, L.
- Simion, S.
- Tanaka, R.
- Tran, H.L.
- Zerwas, D.
- Zhang, Zhiqing
- Koletsou, I.
- Simard, O.
DOIAbstract
See paper for full list of authors, 3 figures, 2 tables, submitted to Physics Letters B. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2013-05/A search is reported for a neutral Higgs boson in the decay channel H->Z gamma, Z->l+l- (l=e, mu), using 4.5 fb-1 of pp collisions at sqrt(s) = 7 TeV and 20.3 fb-1 of pp collisions at sqrt(s) = 8 TeV, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed distribution of the invariant mass of the three final-state particles, m(llgamma), is consistent with the Standard Model hypothesis in the investigated mass range of 120-150 GeV. For a Higgs boson with a mass of 125.5 GeV, the observed upper limit at the 95%...
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