Search for the standard model Higgs boson in the decay channel H→ZZ→4ℓ in pp collisions at √s=7 TeV.

Phys Rev Lett 108:11 (2012) 111804

Authors:

S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Erö, C Fabjan, M Friedl, R Frühwirth, VM Ghete, J Hammer, M Hoch, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, M Krammer, D Liko, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, F Teischinger, P Wagner, W Waltenberger, G Walzel, E Widl, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Bansal, L Benucci, T Cornelis, EA De Wolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, R Gonzalez Suarez, A Kalogeropoulos, M Maes, A Olbrechts, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, O Charaf, B Clerbaux, G De Lentdecker, V Dero, APR Gay, GH Hammad, T Hreus, A Léonard, PE Marage, L Thomas, C Vander Velde, P Vanlaer, J Wickens, V Adler, K Beernaert, A Cimmino, S Costantini, G Garcia, M Grunewald, B Klein, J Lellouch, A Marinov, J McCartin, AA Ocampo Rios, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, E Yazgan, N Zaganidis, S Basegmez, G Bruno, L Ceard, J De Favereau De Jeneret, C Delaere, T du Pree, D Favart, L Forthomme, A Giammanco, G Grégoire, J Hollar, V Lemaitre, J Liao, O Militaru, C Nuttens, D Pagano, A Pin, K Piotrzkowski, N Schul, N Beliy, T Caebergs, E Daubie, GA Alves, M Correa Martins Junior, D De Jesus Damiao, T Martins, ME Pol, MHG Souza, WL Aldá Júnior, W Carvalho, A Custódio, EM Da Costa, C De Oliveira Martins, S Fonseca De Souza, D Matos Figueiredo, L Mundim, H Nogima, V Oguri, WL Prado Da Silva, A Santoro, SM Silva Do Amaral, L Soares Jorge, A Sznajder, TS Anjos, CA Bernardes, FA Dias, TR Fernandez Perez Tomei, EM Gregores, C Lagana, F Marinho, PG Mercadante, SF Novaes, Sandra S Padula, V Genchev, P Iaydjiev, S Piperov, M Rodozov, S Stoykova, G Sultanov, V Tcholakov, R Trayanov, M Vutova, A Dimitrov, R Hadjiiska, A Karadzhinova, V Kozhuharov, L Litov, B Pavlov, P Petkov, JG Bian, GM Chen, HS Chen, CH Jiang, D Liang, S Liang, X Meng, J Tao, J Wang, J Wang, X Wang, Z Wang, H Xiao, M Xu, J Zang, Z Zhang, C Asawatangtrakuldee, Y Ban, S Guo, Y Guo, W Li, S Liu, Y Mao, SJ Qian, H Teng, S Wang, B Zhu, W Zou, A Cabrera, B Gomez Moreno, AF Osorio Oliveros, JC Sanabria, N Godinovic, D Lelas, R Plestina, D Polic, I Puljak, Z Antunovic, M Dzelalija, M Kovac, V Brigljevic, S Duric, K Kadija, J Luetic, S Morovic, A Attikis, M Galanti, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Finger, M Finger, Y Assran, A Ellithi Kamel, S Khalil, MA Mahmoud, A Radi, A Hektor, M Kadastik, M Müntel, M Raidal, L Rebane, A Tiko, V Azzolini, P Eerola, G Fedi, M Voutilainen, S Czellar, J Härkönen, A Heikkinen, V Karimäki, R Kinnunen, MJ Kortelainen, T Lampén, K Lassila-Perini, S Lehti, T Lindén, P Luukka, T Mäenpää, T Peltola, E Tuominen, J Tuominiemi, E Tuovinen, D Ungaro, L Wendland, K Banzuzi, A Korpela, T Tuuva, D Sillou, M Besancon, S Choudhury, M Dejardin, D Denegri, B Fabbro, JL Faure, F Ferri, S Ganjour, A Givernaud, P Gras, G Hamel de Monchenault, P Jarry, E Locci, J Malcles, L Millischer, J Rander, A Rosowsky, I Shreyber, M Titov, S Baffioni, F Beaudette, L Benhabib, L Bianchini, M Bluj, C Broutin, P Busson, C Charlot, N Daci, T Dahms, L Dobrzynski, S Elgammal, R Granier de Cassagnac, M Haguenauer, P Miné, C Mironov, C Ochando, P Paganini, D Sabes, R Salerno, Y Sirois, C Thiebaux, C Veelken, A Zabi, J-L Agram, J Andrea, D Bloch, D Bodin, J-M Brom, M Cardaci, EC Chabert, C Collard, E Conte, F Drouhin, C Ferro, J-C Fontaine, D Gelé, U Goerlach, P Juillot, M Karim, A-C Le Bihan, P Van Hove, F Fassi, D Mercier, C Baty, S Beauceron, N Beaupere, M Bedjidian, O Bondu, G Boudoul, D Boumediene, H Brun, J Chasserat, R Chierici, D Contardo, P Depasse, H El Mamouni, A Falkiewicz, J Fay, S Gascon, M Gouzevitch, B Ille, T Kurca, T Le Grand, M Lethuillier, L Mirabito, S Perries, V Sordini, S Tosi, Y Tschudi, P Verdier, S Viret, D Lomidze, G Anagnostou, S Beranek, M Edelhoff, L Feld, N Heracleous, O Hindrichs, R Jussen, K Klein, J Merz, A Ostapchuk, A Perieanu, F Raupach, J Sammet, S Schael, D Sprenger, H Weber, B Wittmer, V Zhukov, M Ata, J Caudron, E Dietz-Laursonn, M Erdmann, A Güth, T Hebbeker, C Heidemann, K Hoepfner, T Klimkovich, D Klingebiel, P Kreuzer, D Lanske, J Lingemann, C Magass, M Merschmeyer, A Meyer, M Olschewski, P Papacz, H Pieta, H Reithler, SA Schmitz, L Sonnenschein, J Steggemann, D Teyssier, M Weber, M Bontenackels, V Cherepanov, M Davids, G Flügge, H Geenen, M Geisler, W Haj Ahmad, F Hoehle, B Kargoll, T Kress, Y Kuessel, A Linn, A Nowack, L Perchalla, O Pooth, J Rennefeld, P Sauerland, A Stahl, MH Zoeller, M Aldaya Martin, W Behrenhoff, U Behrens, M Bergholz, A Bethani, K Borras, A Burgmeier, A Cakir, L Calligaris, A Campbell, E Castro, D Dammann, G Eckerlin, D Eckstein, A Flossdorf, G Flucke, A Geiser, J Hauk, H Jung, M Kasemann, P Katsas, C Kleinwort, H Kluge, A Knutsson, M Krämer, D Krücker, E Kuznetsova, W Lange, W Lohmann, B Lutz, R Mankel, I Marfin, M Marienfeld, I-A Melzer-Pellmann, AB Meyer, J Mnich, A Mussgiller, S Naumann-Emme, J Olzem, A Petrukhin, D Pitzl, A Raspereza, PM Ribeiro Cipriano, M Rosin, J Salfeld-Nebgen, R Schmidt, T Schoerner-Sadenius, N Sen, A Spiridonov, M Stein, J Tomaszewska, R Walsh, C Wissing, C Autermann, V Blobel, S Bobrovskyi, J Draeger, H Enderle, J Erfle, U Gebbert, M Görner, T Hermanns, RS Höing, K Kaschube, G Kaussen, H Kirschenmann, R Klanner, J Lange, B Mura, F Nowak, N Pietsch, C Sander, H Schettler, P Schleper, E Schlieckau, A Schmidt, M Schröder, T Schum, H Stadie, G Steinbrück, J Thomsen, C Barth, J Berger, T Chwalek, W De Boer, A Dierlamm, G Dirkes, M Feindt, J Gruschke, M Guthoff, C Hackstein, F Hartmann, M Heinrich, H Held, KH Hoffmann, S Honc, I Katkov, JR Komaragiri, T Kuhr, D Martschei, S Mueller, Th Müller, M Niegel, A Nürnberg, O Oberst, A Oehler, J Ott, T Peiffer, G Quast, K Rabbertz, F Ratnikov, N Ratnikova, M Renz, S Röcker, C Saout, A Scheurer, P Schieferdecker, F-P Schilling, M Schmanau, G Schott, HJ Simonis, FM Stober, D Troendle, J Wagner-Kuhr, T Weiler, M Zeise, EB Ziebarth, G Daskalakis, T Geralis, S Kesisoglou, A Kyriakis, D Loukas, I Manolakos, A Markou, C Markou, C Mavrommatis, E Ntomari, L Gouskos, TJ Mertzimekis, A Panagiotou, N Saoulidou, E Stiliaris, I Evangelou, C Foudas, P Kokkas, N Manthos, I Papadopoulos, V Patras, FA Triantis, A Aranyi, G Bencze, L Boldizsar, C Hajdu, P Hidas, D Horvath, A Kapusi, K Krajczar, F Sikler, V Veszpremi, G Vesztergombi, N Beni, J Molnar, J Palinkas, Z Szillasi, J Karancsi, P Raics, ZL Trocsanyi, B Ujvari, SB Beri, V Bhatnagar, N Dhingra, R Gupta, M Jindal, M Kaur, JM Kohli, MZ Mehta, N Nishu, LK Saini, A Sharma, AP Singh, J Singh, SP Singh, S Ahuja, BC Choudhary, A Kumar, A Kumar, S Malhotra, M Naimuddin, K Ranjan, V Sharma, RK Shivpuri, S Banerjee, S Bhattacharya, S Dutta, B Gomber, S Jain, S Jain, R Khurana, S Sarkar, RK Choudhury, D Dutta, S Kailas, V Kumar, AK Mohanty, LM Pant, P Shukla, T Aziz, S Ganguly, M Guchait, A Gurtu, M Maity, G Majumder, K Mazumdar, GB Mohanty, B Parida, A Saha, K Sudhakar, N Wickramage, S Banerjee, S Dugad, NK Mondal, H Arfaei, H Bakhshiansohi, SM Etesami, A Fahim, M Hashemi, H Hesari, A Jafari, M Khakzad, A Mohammadi, M Mohammadi Najafabadi, S Paktinat Mehdiabadi, B Safarzadeh, M Zeinali, M Abbrescia, L Barbone, C Calabria, SS Chhibra, A Colaleo, D Creanza, N De Filippis, M De Palma, L Fiore, G Iaselli, L Lusito, G Maggi, M Maggi, N Manna, B Marangelli, S My, S Nuzzo, N Pacifico, A Pompili, G Pugliese, F Romano, G Selvaggi, L Silvestris, G Singh, S Tupputi, G Zito, G Abbiendi, G Barozzi, AC Benvenuti, D Bonacorsi, S Braibant-Giacomelli, L Brigliadori, P Capiluppi, A Castro, FR Cavallo, M Cuffiani, GM Dallavalle, F Fabbri, A Fanfani, D Fasanella, P Giacomelli, C Grandi, S Marcellini, G Masetti, M Meneghelli, A Montanari, FL Navarria, F Odorici, A Perrotta, F Primavera, AM Rossi, T Rovelli, G Siroli, R Travaglini, S Albergo, G Cappello, M Chiorboli, S Costa, R Potenza, A Tricomi, C Tuve, G Barbagli, V Ciulli, C Civinini, R D'Alessandro, E Focardi, S Frosali, E Gallo, S Gonzi, M Meschini, S Paoletti, G Sguazzoni, A Tropiano, L Benussi, S Bianco, S Colafranceschi, F Fabbri, D Piccolo, P Fabbricatore, R Musenich, A Benaglia, F De Guio, L Di Matteo, S Fiorendi, S Gennai, A Ghezzi, S Malvezzi, RA Manzoni, A Martelli, A Massironi, D Menasce, L Moroni, M Paganoni, D Pedrini, S Ragazzi, N Redaelli, S Sala, T Tabarelli de Fatis, S Buontempo, CA Carrillo Montoya, N Cavallo, A De Cosa, O Dogangun, F Fabozzi, AOM Iorio, L Lista, M Merola, P Paolucci, P Azzi, N Bacchetta, P Bellan, D Bisello, A Branca, R Carlin, P Checchia, T Dorigo, U Dosselli, F Fanzago, F Gasparini, U Gasparini, A Gozzelino, K Kanishchev, S Lacaprara, I Lazzizzera, M Loreti, M Margoni, M Mazzucato, AT Meneguzzo, M Nespolo, L Perrozzi, N Pozzobon, P Ronchese, F Simonetto, E Torassa, M Tosi, S Vanini, P Zotto, G Zumerle, U Berzano, M Gabusi, SP Ratti, C Riccardi, P Torre, P Vitulo, M Biasini, GM Bilei, B Caponeri, L Fanò, P Lariccia, A Lucaroni, G Mantovani, M Menichelli, A Nappi, F Romeo, A Santocchia, S Taroni, M Valdata, P Azzurri, G Bagliesi, T Boccali, G Broccolo, R Castaldi, RT D'Agnolo, R Dell'Orso, F Fiori, L Foà, A Giassi, A Kraan, F Ligabue, T Lomtadze, L Martini, A Messineo, F Palla, F Palmonari, A Rizzi, AT Serban, P Spagnolo, R Tenchini, G Tonelli, A Venturi, PG Verdini, L Barone, F Cavallari, D Del Re, M Diemoz, C Fanelli, M Grassi, E Longo, P Meridiani, F Micheli, S Nourbakhsh, G Organtini, F Pandolfi, R Paramatti, S Rahatlou, M Sigamani, L Soffi, N Amapane, R Arcidiacono, S Argiro, M Arneodo, C Biino, C Botta, N Cartiglia, R Castello, M Costa, N Demaria, A Graziano, C Mariotti, S Maselli, E Migliore, V Monaco, M Musich, MM Obertino, N Pastrone, M Pelliccioni, A Potenza, A Romero, M Ruspa, R Sacchi, V Sola, A Solano, A Staiano, A Vilela Pereira, S Belforte, F Cossutti, G Della Ricca, B Gobbo, M Marone, D Montanino, A Penzo, SG Heo, SK Nam, S Chang, J Chung, DH Kim, GN Kim, JE Kim, DJ Kong, H Park, SR Ro, DC Son, JY Kim, Zero J Kim, S Song, HY Jo, S Choi, D Gyun, B Hong, M Jo, H Kim, TJ Kim, KS Lee, DH Moon, SK Park, E Seo, KS Sim, M Choi, S Kang, H Kim, JH Kim, C Park, IC Park, S Park, G Ryu, Y Cho, Y Choi, YK Choi, J Goh, MS Kim, B Lee, J Lee, S Lee, H Seo, I Yu, MJ Bilinskas, I Grigelionis, M Janulis, H Castilla-Valdez, E De La Cruz-Burelo, I Heredia-de La Cruz, R Lopez-Fernandez, R Magaña Villalba, J Martínez-Ortega, A Sánchez-Hernández, LM Villasenor-Cendejas, S Carrillo Moreno, F Vazquez Valencia, HA Salazar Ibarguen, E Casimiro Linares, A Morelos Pineda, MA Reyes-Santos, D Krofcheck, AJ Bell, PH Butler, R Doesburg, S Reucroft, H Silverwood, M Ahmad, MI Asghar, HR Hoorani, S Khalid, WA Khan, T Khurshid, S Qazi, MA Shah, M Shoaib, G Brona, M Cwiok, W Dominik, K Doroba, A Kalinowski, M Konecki, J Krolikowski, H Bialkowska, B Boimska, T Frueboes, R Gokieli, M Górski, M Kazana, K Nawrocki, K Romanowska-Rybinska, M Szleper, G Wrochna, P Zalewski, N Almeida, P Bargassa, A David, P Faccioli, PG Ferreira Parracho, M Gallinaro, P Musella, A Nayak, J Pela, PQ Ribeiro, J Seixas, J Varela, P Vischia, I Belotelov, I Golutvin, N Gorbounov, I Gramenitski, A Kamenev, V Karjavin, V Konoplyanikov, V Korenkov, G Kozlov, A Lanev, P Moisenz, V Palichik, V Perelygin, M Savina, S Shmatov, S Vasil'ev, A Zarubin, S Evstyukhin, V Golovtsov, Y Ivanov, V Kim, P Levchenko, V Murzin, V Oreshkin, I Smirnov, V Sulimov, L Uvarov, S Vavilov, A Vorobyev, An Vorobyev, Yu Andreev, A Dermenev, S Gninenko, N Golubev, M Kirsanov, N Krasnikov, V Matveev, A Pashenkov, A Toropin, S Troitsky, V Epshteyn, M Erofeeva, V Gavrilov, M Kossov, A Krokhotin, N Lychkovskaya, V Popov, G Safronov, S Semenov, V Stolin, E Vlasov, A Zhokin, A Belyaev, E Boos, M Dubinin, L Dudko, A Ershov, A Gribushin, O Kodolova, I Lokhtin, A Markina, S Obraztsov, M Perfilov, S Petrushanko, L Sarycheva, V Savrin, A Snigirev, V Andreev, M Azarkin, I Dremin, M Kirakosyan, A Leonidov, G Mesyats, SV Rusakov, A Vinogradov, I Azhgirey, I Bayshev, S Bitioukov, V Grishin, V Kachanov, D Konstantinov, A Korablev, V Krychkine, V Petrov, R Ryutin, A Sobol, L Tourtchanovitch, S Troshin, N Tyurin, A Uzunian, A Volkov, P Adzic, M Djordjevic, M Ekmedzic, D Krpic, J Milosevic, M Aguilar-Benitez, J Alcaraz Maestre, P Arce, C Battilana, E Calvo, M Cerrada, M Chamizo Llatas, N Colino, B De La Cruz, A Delgado Peris, C Diez Pardos, D Domínguez Vázquez, C Fernandez Bedoya, JP Fernández Ramos, A Ferrando, J Flix, MC Fouz, P Garcia-Abia, O Gonzalez Lopez, S Goy Lopez, JM Hernandez, MI Josa, G Merino, J Puerta Pelayo, I Redondo, L Romero, J Santaolalla, MS Soares, C Willmott, C Albajar, G Codispoti, JF de Trocóniz, J Cuevas, J Fernandez Menendez, S Folgueras, I Gonzalez Caballero, L Lloret Iglesias, J Piedra Gomez, JM Vizan Garcia, JA Brochero Cifuentes, IJ Cabrillo, A Calderon, SH Chuang, J Duarte Campderros, M Felcini, M Fernandez, G Gomez, J Gonzalez Sanchez, C Jorda, P Lobelle Pardo, A Lopez Virto, J Marco, R Marco, C Martinez Rivero, F Matorras, FJ Munoz Sanchez, T Rodrigo, AY Rodríguez-Marrero, A Ruiz-Jimeno, L Scodellaro, M Sobron Sanudo, I Vila, R Vilar Cortabitarte, D Abbaneo, E Auffray, G Auzinger, P Baillon, AH Ball, D Barney, C Bernet, W Bialas, G Bianchi, P Bloch, A Bocci, H Breuker, K Bunkowski, T Camporesi, G Cerminara, T Christiansen, JA Coarasa Perez, B Curé, D D'Enterria, A De Roeck, S Di Guida, M Dobson, N Dupont-Sagorin, A Elliott-Peisert, B Frisch, W Funk, A Gaddi, G Georgiou, H Gerwig, M Giffels, D Gigi, K Gill, D Giordano, M Giunta, F Glege, R Gomez-Reino Garrido, P Govoni, S Gowdy, R Guida, L Guiducci, M Hansen, P Harris, C Hartl, J Harvey, B Hegner, A Hinzmann, HF Hoffmann, V Innocente, P Janot, K Kaadze, E Karavakis, K Kousouris, P Lecoq, P Lenzi, C Lourenço, T Mäki, M Malberti, L Malgeri, M Mannelli, L Masetti, G Mavromanolakis, F Meijers, S Mersi, E Meschi, R Moser, MU Mozer, M Mulders, E Nesvold, M Nguyen, T Orimoto, L Orsini, E Palencia Cortezon, E Perez, A Petrilli, A Pfeiffer, M Pierini, M Pimiä, D Piparo, G Polese, L Quertenmont, A Racz, W Reece, J Rodrigues Antunes, G Rolandi, T Rommerskirchen, C Rovelli, M Rovere, H Sakulin, F Santanastasio, C Schäfer, C Schwick, I Segoni, A Sharma, P Siegrist, P Silva, M Simon, P Sphicas, D Spiga, M Spiropulu, M Stoye, A Tsirou, GI Veres, P Vichoudis, HK Wöhri, SD Worm, WD Zeuner, W Bertl, K Deiters, W Erdmann, K Gabathuler, R Horisberger, Q Ingram, HC Kaestli, S König, D Kotlinski, U Langenegger, F Meier, D Renker, T Rohe, J Sibille, L Bäni, P Bortignon, MA Buchmann, B Casal, N Chanon, Z Chen, A Deisher, G Dissertori, M Dittmar, M Dünser, J Eugster, K Freudenreich, C Grab, P Lecomte, W Lustermann, P Martinez Ruiz del Arbol, N Mohr, F Moortgat, C Nägeli, P Nef, F Nessi-Tedaldi, L Pape, F Pauss, M Peruzzi, FJ Ronga, M Rossini, L Sala, AK Sanchez, M-C Sawley, A Starodumov, B Stieger, M Takahashi, L Tauscher, A Thea, K Theofilatos, D Treille, C Urscheler, R Wallny, HA Weber, L Wehrli, J Weng, E Aguilo, C Amsler, V Chiochia, S De Visscher, C Favaro, M Ivova Rikova, B Millan Mejias, P Otiougova, P Robmann, H Snoek, M Verzetti, YH Chang, KH Chen, CM Kuo, SW Li, W Lin, ZK Liu, YJ Lu, D Mekterovic, R Volpe, SS Yu, P Bartalini, P Chang, YH Chang, YW Chang, Y Chao, KF Chen, C Dietz, U Grundler, W-S Hou, Y Hsiung, KY Kao, YJ Lei, R-S Lu, D Majumder, E Petrakou, X Shi, JG Shiu, YM Tzeng, M Wang, A Adiguzel, MN Bakirci, S Cerci, C Dozen, I Dumanoglu, E Eskut, S Girgis, G Gokbulut, I Hos, EE Kangal, G Karapinar, A Kayis Topaksu, G Onengut, K Ozdemir, S Ozturk, A Polatoz, K Sogut, D Sunar Cerci, B Tali, H Topakli, D Uzun, LN Vergili, M Vergili, IV Akin, T Aliev, B Bilin, S Bilmis, M Deniz, H Gamsizkan, AM Guler, K Ocalan, A Ozpineci, M Serin, R Sever, UE Surat, M Yalvac, E Yildirim, M Zeyrek, M Deliomeroglu, E Gülmez, B Isildak, M Kaya, O Kaya, S Ozkorucuklu, N Sonmez, L Levchuk, F Bostock, JJ Brooke, E Clement, D Cussans, H Flacher, R Frazier, J Goldstein, M Grimes, GP Heath, HF Heath, L Kreczko, S Metson, DM Newbold, K Nirunpong, A Poll, S Senkin, VJ Smith, T Williams, L Basso, KW Bell, A Belyaev, C Brew, RM Brown, DJA Cockerill, JA Coughlan, K Harder, S Harper, J Jackson, BW Kennedy, E Olaiya, D Petyt, BC Radburn-Smith, CH Shepherd-Themistocleous, IR Tomalin, WJ Womersley, R Bainbridge, G Ball, R Beuselinck, O Buchmuller, D Colling, N Cripps, M Cutajar, P Dauncey, G Davies, M Della Negra, W Ferguson, J Fulcher, D Futyan, A Gilbert, A Guneratne Bryer, G Hall, Z Hatherell, J Hays, G Iles, M Jarvis, G Karapostoli, L Lyons, A-M Magnan, J Marrouche, B Mathias, R Nandi, J Nash, A Nikitenko, A Papageorgiou, M Pesaresi, K Petridis, M Pioppi, DM Raymond, S Rogerson, N Rompotis, A Rose, MJ Ryan, C Seez, A Sparrow, A Tapper, S Tourneur, M Vazquez Acosta, T Virdee, S Wakefield, N Wardle, D Wardrope, T Whyntie, M Barrett, M Chadwick, JE Cole, PR Hobson, A Khan, P Kyberd, D Leslie, W Martin, ID Reid, P Symonds, L Teodorescu, M Turner, K Hatakeyama, H Liu, T Scarborough, C Henderson, A Avetisyan, T Bose, E Carrera Jarrin, C Fantasia, A Heister, J St John, P Lawson, D Lazic, J Rohlf, D Sperka, L Sulak, S Bhattacharya, D Cutts, A Ferapontov, U Heintz, S Jabeen, G Kukartsev, G Landsberg, M Luk, M Narain, D Nguyen, M Segala, T Sinthuprasith, T Speer, KV Tsang, R Breedon, G Breto, M Calderon De La Barca Sanchez, M Caulfield, S Chauhan, M Chertok, J Conway, R Conway, PT Cox, J Dolen, R Erbacher, M Gardner, R Houtz, W Ko, A Kopecky, R Lander, O Mall, T Miceli, R Nelson, D Pellett, J Robles, B Rutherford, M Searle, J Smith, M Squires, M Tripathi, R Vasquez Sierra, V Andreev, K Arisaka, D Cline, R Cousins, J Duris, S Erhan, P Everaerts, C Farrell, J Hauser, M Ignatenko, C Jarvis, C Plager, G Rakness, P Schlein, J Tucker, V Valuev, M Weber, J Babb, R Clare, J Ellison, JW Gary, F Giordano, G Hanson, GY Jeng, H Liu, OR Long, A Luthra, H Nguyen, S Paramesvaran, J Sturdy, S Sumowidagdo, R Wilken, S Wimpenny, W Andrews, JG Branson, GB Cerati, S Cittolin, D Evans, F Golf, A Holzner, R Kelley, M Lebourgeois, J Letts, I Macneill, B Mangano, S Padhi, C Palmer, G Petrucciani, H Pi, M Pieri, R Ranieri, M Sani, I Sfiligoi, V Sharma, S Simon, E Sudano, M Tadel, Y Tu, A Vartak, S Wasserbaech, F Würthwein, A Yagil, J Yoo, D Barge, R Bellan, C Campagnari, M D'Alfonso, T Danielson, K Flowers, P Geffert, J Incandela, C Justus, P Kalavase, SA Koay, D Kovalskyi, V Krutelyov, S Lowette, N McColl, V Pavlunin, F Rebassoo, J Ribnik, J Richman, R Rossin, D Stuart, W To, JR Vlimant, C West, A Apresyan, A Bornheim, J Bunn, Y Chen, E Di Marco, J Duarte, M Gataullin, Y Ma, A Mott, HB Newman, C Rogan, V Timciuc, P Traczyk, J Veverka, R Wilkinson, Y Yang, RY Zhu, B Akgun, R Carroll, T Ferguson, Y Iiyama, DW Jang, SY Jun, YF Liu, M Paulini, J Russ, H Vogel, I Vorobiev, JP Cumalat, ME Dinardo, BR Drell, CJ Edelmaier, WT Ford, A Gaz, B Heyburn, E Luiggi Lopez, U Nauenberg, JG Smith, K Stenson, KA Ulmer, SR Wagner, SL Zang, L Agostino, J Alexander, A Chatterjee, N Eggert, LK Gibbons, B Heltsley, W Hopkins, A Khukhunaishvili, B Kreis, N Mirman, G Nicolas Kaufman, JR Patterson, A Ryd, E Salvati, W Sun, WD Teo, J Thom, J Thompson, J Vaughan, Y Weng, L Winstrom, P Wittich, A Biselli, D Winn, S Abdullin, M Albrow, J Anderson, G Apollinari, M Atac, JA Bakken, LAT Bauerdick, A Beretvas, J Berryhill, PC Bhat, I Bloch, K Burkett, JN Butler, V Chetluru, HWK Cheung, F Chlebana, S Cihangir, W Cooper, DP Eartly, VD Elvira, S Esen, I Fisk, J Freeman, Y Gao, E Gottschalk, D Green, O Gutsche, J Hanlon, RM Harris, J Hirschauer, B Hooberman, H Jensen, S Jindariani, M Johnson, U Joshi, B Klima, S Kunori, S Kwan, C Leonidopoulos, D Lincoln, R Lipton, J Lykken, K Maeshima, JM Marraffino, S Maruyama, D Mason, P McBride, T Miao, K Mishra, S Mrenna, Y Musienko, C Newman-Holmes, V O'Dell, J Pivarski, R Pordes, O Prokofyev, T Schwarz, E Sexton-Kennedy, S Sharma, WJ Spalding, L Spiegel, P Tan, L Taylor, S Tkaczyk, L Uplegger, EW Vaandering, R Vidal, J Whitmore, W Wu, F Yang, F Yumiceva, JC Yun, D Acosta, P Avery, D Bourilkov, M Chen, S Das, M De Gruttola, GP Di Giovanni, D Dobur, A Drozdetskiy, RD Field, M Fisher, Y Fu, IK Furic, J Gartner, S Goldberg, J Hugon, B Kim, J Konigsberg, A Korytov, A Kropivnitskaya, T Kypreos, JF Low, K Matchev, P Milenovic, G Mitselmakher, L Muniz, R Remington, A Rinkevicius, M Schmitt, B Scurlock, P Sellers, N Skhirtladze, M Snowball, D Wang, J Yelton, M Zakaria, V Gaultney, LM Lebolo, S Linn, P Markowitz, G Martinez, JL Rodriguez, T Adams, A Askew, J Bochenek, J Chen, B Diamond, SV Gleyzer, J Haas, S Hagopian, V Hagopian, M Jenkins, KF Johnson, H Prosper, S Sekmen, V Veeraraghavan, M Weinberg, MM Baarmand, B Dorney, M Hohlmann, H Kalakhety, I Vodopiyanov, MR Adams, IM Anghel, L Apanasevich, Y Bai, VE Bazterra, RR Betts, J Callner, R Cavanaugh, C Dragoiu, L Gauthier, CE Gerber, DJ Hofman, S Khalatyan, GJ Kunde, F Lacroix, M Malek, C O'Brien, C Silkworth, C Silvestre, D Strom, N Varelas, U Akgun, EA Albayrak, B Bilki, W Clarida, F Duru, S Griffiths, CK Lae, E McCliment, J-P Merlo, H Mermerkaya, A Mestvirishvili, A Moeller, J Nachtman, CR Newsom, E Norbeck, J Olson, Y Onel, F Ozok, S Sen, E Tiras, J Wetzel, T Yetkin, K Yi, BA Barnett, B Blumenfeld, S Bolognesi, A Bonato, D Fehling, G Giurgiu, AV Gritsan, ZJ Guo, G Hu, P Maksimovic, S Rappoccio, M Swartz, NV Tran, A Whitbeck, P Baringer, A Bean, G Benelli, O Grachov, RP Kenny Iii, M Murray, D Noonan, S Sanders, R Stringer, G Tinti, JS Wood, V Zhukova, AF Barfuss, T Bolton, I Chakaberia, A Ivanov, S Khalil, M Makouski, Y Maravin, S Shrestha, I Svintradze, J Gronberg, D Lange, D Wright, A Baden, M Boutemeur, B Calvert, SC Eno, JA Gomez, NJ Hadley, RG Kellogg, M Kirn, T Kolberg, Y Lu, M Marionneau, AC Mignerey, A Peterman, K Rossato, P Rumerio, A Skuja, J Temple, MB Tonjes, SC Tonwar, E Twedt, B Alver, G Bauer, J Bendavid, W Busza, E Butz, IA Cali, M Chan, V Dutta, G Gomez Ceballos, M Goncharov, KA Hahn, Y Kim, M Klute, Y-J Lee, W Li, PD Luckey, T Ma, S Nahn, C Paus, D Ralph, C Roland, G Roland, M Rudolph, GSF Stephans, F Stöckli, K Sumorok, K Sung, D Velicanu, EA Wenger, R Wolf, B Wyslouch, S Xie, M Yang, Y Yilmaz, AS Yoon, M Zanetti, SI Cooper, P Cushman, B Dahmes, A De Benedetti, G Franzoni, A Gude, J Haupt, SC Kao, K Klapoetke, Y Kubota, J Mans, N Pastika, V Rekovic, R Rusack, M Sasseville, A Singovsky, N Tambe, J Turkewitz, LM Cremaldi, R Godang, R Kroeger, L Perera, R Rahmat, DA Sanders, D Summers, E Avdeeva, K Bloom, S Bose, J Butt, DR Claes, A Dominguez, M Eads, P Jindal, J Keller, I Kravchenko, J Lazo-Flores, H Malbouisson, S Malik, GR Snow, U Baur, A Godshalk, I Iashvili, S Jain, A Kharchilava, A Kumar, SP Shipkowski, K Smith, Z Wan, G Alverson, E Barberis, D Baumgartel, M Chasco, D Trocino, D Wood, J Zhang, A Anastassov, A Kubik, N Mucia, N Odell, RA Ofierzynski, B Pollack, A Pozdnyakov, M Schmitt, S Stoynev, M Velasco, S Won, L Antonelli, D Berry, A Brinkerhoff, M Hildreth, C Jessop, DJ Karmgard, J Kolb, K Lannon, W Luo, S Lynch, N Marinelli, DM Morse, T Pearson, R Ruchti, J Slaunwhite, N Valls, M Wayne, M Wolf, J Ziegler, B Bylsma, LS Durkin, C Hill, P Killewald, K Kotov, TY Ling, D Puigh, M Rodenburg, C Vuosalo, G Williams, N Adam, E Berry, P Elmer, D Gerbaudo, V Halyo, P Hebda, J Hegeman, A Hunt, E Laird, D Lopes Pegna, P Lujan, D Marlow, T Medvedeva, M Mooney, J Olsen, P Piroué, X Quan, A Raval, H Saka, D Stickland, C Tully, JS Werner, A Zuranski, JG Acosta, XT Huang, A Lopez, H Mendez, S Oliveros, JE Ramirez Vargas, A Zatserklyaniy, E Alagoz, VE Barnes, D Benedetti, G Bolla, D Bortoletto, M De Mattia, A Everett, L Gutay, Z Hu, M Jones, O Koybasi, M Kress, AT Laasanen, N Leonardo, V Maroussov, P Merkel, DH Miller, N Neumeister, I Shipsey, D Silvers, A Svyatkovskiy, M Vidal Marono, HD Yoo, J Zablocki, Y Zheng, S Guragain, N Parashar, A Adair, C Boulahouache, V Cuplov, KM Ecklund, FJM Geurts, BP Padley, R Redjimi, J Roberts, J Zabel, B Betchart, A Bodek, YS Chung, R Covarelli, P de Barbaro, R Demina, Y Eshaq, A Garcia-Bellido, P Goldenzweig, Y Gotra, J Han, A Harel, DC Miner, G Petrillo, W Sakumoto, D Vishnevskiy, M Zielinski, A Bhatti, R Ciesielski, L Demortier, K Goulianos, G Lungu, S Malik, C Mesropian, S Arora, O Atramentov, A Barker, JP Chou, C Contreras-Campana, E Contreras-Campana, D Duggan, D Ferencek, Y Gershtein, R Gray, E Halkiadakis, D Hidas, D Hits, A Lath, S Panwalkar, M Park, R Patel, A Richards, K Rose, S Salur, S Schnetzer, C Seitz, S Somalwar, R Stone, S Thomas, G Cerizza, M Hollingsworth, S Spanier, ZC Yang, A York, R Eusebi, W Flanagan, J Gilmore, T Kamon, V Khotilovich, R Montalvo, I Osipenkov, Y Pakhotin, A Perloff, J Roe, A Safonov, T Sakuma, S Sengupta, I Suarez, A Tatarinov, D Toback, N Akchurin, C Bardak, J Damgov, PR Dudero, C Jeong, K Kovitanggoon, SW Lee, T Libeiro, P Mane, Y Roh, A Sill, I Volobouev, R Wigmans, E Appelt, E Brownson, D Engh, C Florez, W Gabella, A Gurrola, M Issah, W Johns, P Kurt, C Maguire, A Melo, P Sheldon, B Snook, S Tuo, J Velkovska, MW Arenton, M Balazs, S Boutle, S Conetti, B Cox, B Francis, S Goadhouse, J Goodell, R Hirosky, A Ledovskoy, C Lin, C Neu, J Wood, R Yohay, S Gollapinni, R Harr, PE Karchin, C Kottachchi Kankanamge Don, P Lamichhane, M Mattson, C Milstène, A Sakharov, M Anderson, M Bachtis, D Belknap, JN Bellinger, J Bernardini, L Borrello, D Carlsmith, M Cepeda, S Dasu, J Efron, E Friis, L Gray, KS Grogg, M Grothe, R Hall-Wilton, M Herndon, A Hervé, P Klabbers, J Klukas, A Lanaro, C Lazaridis, J Leonard, R Loveless, A Mohapatra, I Ojalvo, GA Pierro, I Ross, A Savin, WH Smith, J Swanson, CMS Collaboration

Abstract:

A search for a Higgs boson in the four-lepton decay channel H→ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range of 110100 GeV (with 13 below 160 GeV), while 67.1±6.0 (9.5±1.3) events are expected from background. The four-lepton mass distribution is consistent with the expectation of standard model background production of ZZ pairs. Upper limits at 95% confidence level exclude the standard model Higgs boson in the ranges of 134-158 GeV, 180-305 GeV, and 340-465 GeV. Small excesses of events are observed around masses of 119, 126, and 320 GeV, making the observed limits weaker than expected in the absence of a signal.

Measurement of the charge asymmetry in top-quark pair production in proton-proton collisions at √s=7 TeV

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 709:1-2 (2012) 28-49

Authors:

S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Erö, C Fabjan, M Friedl, R Frühwirth, VM Ghete, J Hammer, M Hoch, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, A Knapitsch, M Krammer, D Liko, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, F Teischinger, P Wagner, W Waltenberger, G Walzel, E Widl, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Bansal, L Benucci, T Cornelis, EA De Wolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, R Gonzalez Suarez, A Kalogeropoulos, M Maes, A Olbrechts, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, O Charaf, B Clerbaux, G De Lentdecker, V Dero, APR Gay, GH Hammad, T Hreus, A Léonard, PE Marage, L Thomas, C Vander Velde, P Vanlaer, J Wickens, V Adler, K Beernaert, A Cimmino, S Costantini, M Grunewald, B Klein, J Lellouch, A Marinov, J Mccartin, AA Ocampo Rios, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, N Zaganidis, S Basegmez, G Bruno, J Caudron, L Ceard

Abstract:

The difference in angular distributions between top quarks and antiquarks, commonly referred to as the charge asymmetry, is measured in pp collisions at the LHC with the CMS experiment. The data sample corresponds to an integrated luminosity of 1.09fb -1 at a centre-of-mass energy of 7 TeV. Top-quark pairs are selected in the final state with an electron or muon and four or more jets. At least one jet is identified as originating from b-quark hadronization. The charge asymmetry is measured in two variables, one based on the pseudorapidities (η) of the top quarks and the other on their rapidities (y). The results ACη=-0.017±0.032(stat.)-0.036+0.025(syst.) and ACy=-0.013±0.028(stat.)-0.031+0.029(syst.) are consistent within uncertainties with the standard-model predictions. © 2012 CERN.

Search for the standard model Higgs boson in the diphoton decay channel with 4.9fb-1 of pp collision data at √s=7TeV with atlas

Physical Review Letters 108:11 (2012)

Authors:

G Aad, B Abbott, J Abdallah, S Abdel Khalek, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, OS Abouzeid, H Abramowicz, H Abreu, E Acerbi, BS Acharya, L Adamczyk, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Akiyama, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, BMM Allbrooke, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, B Alvarez Gonzalez, MG Alviggi, K Amako, P Amaral, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, ML Andrieux, XS Anduaga, A Angerami, F Anghinolfi, A Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, S Aoun, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, S Arfaoui, JF Arguin, E Arik, M Arik, AJ Armbruster

Abstract:

A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9fb-1 collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of √s=7TeV. In the diphoton mass range 110-150GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115GeV and 134.5-136GeV. © 2012 CERN.

Search for the standard model Higgs boson in the decay channel H→ZZ→4l in pp collisions at √s=7TeV

Physical Review Letters 108:11 (2012)

Authors:

S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Erö, C Fabjan, M Friedl, R Frühwirth, VM Ghete, J Hammer, M Hoch, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, M Krammer, D Liko, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, F Teischinger, P Wagner, W Waltenberger, G Walzel, E Widl, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Bansal, L Benucci, T Cornelis, EA De Wolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'hondt, R Gonzalez Suarez, A Kalogeropoulos, M Maes, A Olbrechts, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, O Charaf, B Clerbaux, G De Lentdecker, V Dero, APR Gay, GH Hammad, T Hreus, A Léonard, PE Marage, L Thomas, C Vander Velde, P Vanlaer, J Wickens, V Adler, K Beernaert, A Cimmino, S Costantini, G Garcia, M Grunewald, B Klein, J Lellouch, A Marinov, J Mccartin, AA Ocampo Rios, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, E Yazgan, N Zaganidis, S Basegmez, G Bruno, L Ceard

Abstract:

A search for a Higgs boson in the four-lepton decay channel H→ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range of 110100GeV (with 13 below 160GeV), while 67.1±6.0 (9.5±1.3) events are expected from background. The four-lepton mass distribution is consistent with the expectation of standard model background production of ZZ pairs. Upper limits at 95% confidence level exclude the standard model Higgs boson in the ranges of 134-158GeV, 180-305GeV, and 340-465GeV. Small excesses of events are observed around masses of 119, 126, and 320GeV, making the observed limits weaker than expected in the absence of a signal. © 2012 CERN.

Search for signatures of extra dimensions in the diphoton mass spectrum at the large hadron collider

Physical Review Letters 108:11 (2012)

Authors:

S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Erö, C Fabjan, M Friedl, R Frühwirth, VM Ghete, J Hammer, M Hoch, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, A Knapitsch, M Krammer, D Liko, I Mikulec, M Pernicka, B Rahbaran, H Rohringer, R Schöfbeck, J Strauss, A Taurok, F Teischinger, C Trauner, P Wagner, W Waltenberger, G Walzel, E Widl, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Bansal, L Benucci, EA De Wolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'hondt, R Gonzalez Suarez, A Kalogeropoulos, M Maes, A Olbrechts, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, O Charaf, B Clerbaux, G De Lentdecker, V Dero, APR Gay, GH Hammad, T Hreus, A Léonard, PE Marage, L Thomas, C Vander Velde, P Vanlaer, J Wickens, V Adler, K Beernaert, A Cimmino, S Costantini, M Grunewald, B Klein, J Lellouch, A Marinov, J Mccartin, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, N Zaganidis, S Basegmez, G Bruno, J Caudron, L Ceard, J De Favereau De Jeneret, C Delaere

Abstract:

A search for signatures of extra spatial dimensions in the diphoton invariant-mass spectrum has been performed with the CMS detector at the LHC. No excess of events above the standard model expectation is observed using a data sample collected in proton-proton collisions at √s=7TeV corresponding to an integrated luminosity of 2.2fb -1. In the context of the large-extra-dimensions model, lower limits are set on the effective Planck scale in the range of 2.3-3.8TeV at the 95% confidence level. These limits are the most restrictive bounds on virtual-graviton exchange to date. The most restrictive lower limits to date are also set on the mass of the first graviton excitation in the Randall-Sundrum model in the range of 0.86-1.84TeV, for values of the associated coupling parameter between 0.01 and 0.10. © 2012 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published articles title, journal citation, and DOI.