Search for a light pseudoscalar Higgs boson in the dimuon decay channel in pp collisions at √s = 7 TeV.

Phys Rev Lett 109:12 (2012) 121801

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, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, V Knünz, M Krammer, D Liko, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, P Wagner, W Waltenberger, G Walzel, E Widl, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Bansal, T Cornelis, EA De Wolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, Z Staykova, 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, B Clerbaux, G De Lentdecker, V Dero, APR Gay, T Hreus, A Léonard, PE Marage, T Reis, L Thomas, C Van der Velde, P Vanlaer, J Wang, 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, R Castello, A Caudron, L Ceard, C Delaere, T du Pree, D Favart, L Forthomme, A Giammanco, J Hollar, V Lemaitre, J Liao, O Militaru, C Nuttens, D Pagano, L Perrini, A Pin, K Piotrzkowski, N Schul, JM Vizan Garcia, N Beliy, T Caebergs, E Daubie, GH Hammad, 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, L Soares Jorge, A Sznajder, 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, 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, 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, C Avila, JP Gomez, B Gomez Moreno, AF Osorio Oliveros, JC Sanabria, N Godinovic, D Lelas, R Plestina, D Polic, I Puljak, Z Antunovic, M Kovac, V Brigljevic, S Duric, K Kadija, J Luetic, S Morovic, A Attikis, M Galanti, G Mavromanolakis, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Finger, M Finger, Y Assran, S Elgammal, A Ellithi Kamel, S Khalil, MA Mahmoud, A Radi, M Kadastik, M Müntel, M Raidal, L Rebane, A Tiko, V Azzolini, P Eerola, G Fedi, M Voutilainen, 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 Karjalainen, A Korpela, T Tuuva, 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, A Nayak, 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, R Granier de Cassagnac, M Haguenauer, P Miné, C Mironov, M Nguyen, C Ochando, P Paganini, D Sabes, R Salerno, Y Sirois, 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, A-C Le Bihan, P Van Hove, F Fassi, D Mercier, S Beauceron, N Beaupere, O Bondu, G Boudoul, J Chasserat, R Chierici, D Contardo, P Depasse, H El Mamouni, J Fay, S Gascon, M Gouzevitch, B Ille, T Kurca, M Lethuillier, L Mirabito, S Perries, V Sordini, S Tosi, Y Tschudi, P Verdier, S Viret, Z Tsamalaidze, 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, D Duchardt, M Erdmann, R Fischer, A Güth, T Hebbeker, C Heidemann, K Hoepfner, D Klingebiel, P Kreuzer, 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, G Flügge, H Geenen, M Geisler, W Haj Ahmad, F Hoehle, B Kargoll, T Kress, Y Kuessel, A Nowack, L Perchalla, O Pooth, J Rennefeld, P Sauerland, A Stahl, M Aldaya Martin, J Behr, W Behrenhoff, U Behrens, M Bergholz, A Bethani, K Borras, A Burgmeier, A Cakir, L Calligaris, A Campbell, E Castro, F Costanza, D Dammann, C Diez Pardos, G Eckerlin, D Eckstein, G Flucke, A Geiser, I Glushkov, P Gunnellini, S Habib, J Hauk, G Hellwig, 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, H Perrey, A Petrukhin, D Pitzl, A Raspereza, PM Ribeiro Cipriano, C Riedl, E Ron, M Rosin, J Salfeld-Nebgen, R Schmidt, T Schoerner-Sadenius, N Sen, A Spiridonov, M Stein, 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, T Peiffer, N Pietsch, D Rathjens, C Sander, H Schettler, P Schleper, E Schlieckau, A Schmidt, M Schröder, T Schum, M Seidel, H Stadie, G Steinbrück, J Thomsen, C Barth, J Berger, C Böser, T Chwalek, W De Boer, A Descroix, A Dierlamm, M Feindt, M Guthoff, C Hackstein, F Hartmann, T Hauth, M Heinrich, H Held, KH Hoffmann, S Honc, I Katkov, JR Komaragiri, D Martschei, S Mueller, Th Müller, M Niegel, A Nürnberg, O Oberst, A Oehler, J Ott, G Quast, K Rabbertz, F Ratnikov, N Ratnikova, S Röcker, A Scheurer, F-P Schilling, G Schott, HJ Simonis, FM Stober, D Troendle, R Ulrich, J Wagner-Kuhr, S Wayand, T Weiler, M Zeise, 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, I Evangelou, C Foudas, P Kokkas, N Manthos, I Papadopoulos, V Patras, G Bencze, C Hajdu, P Hidas, D Horvath, F Sikler, V Veszpremi, G Vesztergombi, N Beni, S Czellar, 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, MZ Mehta, N Nishu, LK Saini, A Sharma, J Singh, Ashok Kumar, Arun Kumar, S Ahuja, A Bhardwaj, BC Choudhary, S Malhotra, M Naimuddin, K Ranjan, V Sharma, RK Shivpuri, S Banerjee, S Bhattacharya, S Dutta, B Gomber, Sa Jain, Sh Jain, R Khurana, S Sarkar, M Sharan, A Abdulsalam, RK Choudhury, D Dutta, S Kailas, V Kumar, P Mehta, AK Mohanty, LM Pant, P Shukla, T Aziz, S Ganguly, M Guchait, M Maity, G Majumder, K Mazumdar, GB Mohanty, B Parida, K Sudhakar, N Wickramage, S Banerjee, S Dugad, H Arfaei, H Bakhshiansohi, SM Etesami, A Fahim, M Hashemi, 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, B Marangelli, S My, S Nuzzo, N Pacifico, A Pompili, G Pugliese, G Selvaggi, L Silvestris, G Singh, R Venditti, G Zito, G Abbiendi, 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, L Guiducci, 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, S Meola, M Merola, P Paolucci, P Azzi, N Bacchetta, D Bisello, A Branca, R Carlin, P Checchia, T Dorigo, F Gasparini, U Gasparini, A Gozzelino, K Kanishchev, S Lacaprara, I Lazzizzera, M Margoni, AT Meneguzzo, J Pazzini, N Pozzobon, P Ronchese, E Torassa, M Tosi, S Vanini, P Zotto, A Zucchetta, G Zumerle, M Gabusi, SP Ratti, C Riccardi, P Torre, P Vitulo, M Biasini, GM Bilei, L Fanò, P Lariccia, A Lucaroni, G Mantovani, M Menichelli, A Nappi, F Romeo, A Saha, A Santocchia, S Taroni, 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, A Rizzi, AT Serban, P Spagnolo, P Squillacioti, R Tenchini, G Tonelli, A Venturi, PG Verdini, L Barone, F Cavallari, D Del Re, M Diemoz, M Grassi, E Longo, P Meridiani, F Micheli, S Nourbakhsh, G Organtini, R Paramatti, S Rahatlou, M Sigamani, L Soffi, N Amapane, R Arcidiacono, S Argiro, M Arneodo, C Biino, N Cartiglia, 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, V Candelise, F Cossutti, G Della Ricca, B Gobbo, M Marone, D Montanino, A Penzo, A Schizzi, SG Heo, TY Kim, SK Nam, S Chang, J Chung, DH Kim, GN Kim, DJ Kong, H Park, SR Ro, DC Son, T Son, JY Kim, Zero J Kim, S Song, S Choi, D Gyun, B Hong, M Jo, H Kim, TJ Kim, KS Lee, DH Moon, SK Park, M Choi, S Kang, JH Kim, C Park, IC Park, S Park, G Ryu, Y Cho, Y Choi, YK Choi, J Goh, MS Kim, E Kwon, B Lee, J Lee, S Lee, H Seo, I Yu, MJ Bilinskas, I Grigelionis, M Janulis, A Juodagalvis, 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, K Bunkowski, 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, M Fernandes, PG Ferreira Parracho, M Gallinaro, J Seixas, J Varela, P Vischia, I Belotelov, P Bunin, M Gavrilenko, I Golutvin, I Gorbunov, A Kamenev, V Karjavin, G Kozlov, A Lanev, A Malakhov, P Moisenz, V Palichik, V Perelygin, S Shmatov, V Smirnov, A Volodko, 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, D Tlisov, A Toropin, V Epshteyn, M Erofeeva, V Gavrilov, M Kossov, N Lychkovskaya, V Popov, G Safronov, S Semenov, V Stolin, E Vlasov, A Zhokin, A Belyaev, E Boos, V Bunichev, M Dubinin, L Dudko, A Ershov, V Klyukhin, O Kodolova, I Lokhtin, A Markina, S Obraztsov, M Perfilov, S Petrushanko, A Popov, 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, 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, A Quintario Olmeda, I Redondo, L Romero, J Santaolalla, MS Soares, C Willmott, C Albajar, G Codispoti, JF de Trocóniz, H Brun, J Cuevas, J Fernandez Menendez, S Folgueras, I Gonzalez Caballero, L Lloret Iglesias, J Piedra Gomez, 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, G Bianchi, P Bloch, A Bocci, A Bonato, C Botta, H Breuker, T Camporesi, G Cerminara, T Christiansen, JA Coarasa Perez, D D'Enterria, A Dabrowski, A De Roeck, S Di Guida, M Dobson, N Dupont-Sagorin, A Elliott-Peisert, B Frisch, W Funk, G Georgiou, M Giffels, D Gigi, K Gill, D Giordano, M Giunta, F Glege, R Gomez-Reino Garrido, P Govoni, S Gowdy, R Guida, M Hansen, P Harris, C Hartl, J Harvey, B Hegner, A Hinzmann, V Innocente, P Janot, K Kaadze, E Karavakis, K Kousouris, P Lecoq, Y-J Lee, P Lenzi, C Lourenço, T Mäki, M Malberti, L Malgeri, M Mannelli, L Masetti, F Meijers, S Mersi, E Meschi, R Moser, MU Mozer, M Mulders, P Musella, E Nesvold, T Orimoto, L Orsini, E Palencia Cortezon, E Perez, L Perrozzi, 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, S Sekmen, A Sharma, P Siegrist, P Silva, M Simon, P Sphicas, D Spiga, M Spiropulu, M Stoye, A Tsirou, GI Veres, JR Vlimant, 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, A Deisher, G Dissertori, M Dittmar, M Dünser, J Eugster, K Freudenreich, C Grab, D Hits, P Lecomte, W Lustermann, AC Marini, P Martinez Ruiz Del Arbol, N Mohr, F Moortgat, C Nägeli, P Nef, F Nessi-Tedaldi, F Pandolfi, L Pape, F Pauss, M Peruzzi, FJ Ronga, M Rossini, L Sala, AK Sanchez, A Starodumov, B Stieger, M Takahashi, L Tauscher, A Thea, K Theofilatos, D Treille, C Urscheler, R Wallny, HA Weber, L Wehrli, E Aguilo, C Amsler, V Chiochia, S De Visscher, C Favaro, M Ivova Rikova, B Millan Mejias, P Otiougova, P Robmann, H Snoek, S Tupputi, M Verzetti, YH Chang, KH Chen, CM Kuo, SW Li, W Lin, ZK Liu, YJ Lu, D Mekterovic, AP Singh, 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, X Wan, M Wang, A Adiguzel, MN Bakirci, S Cerci, C Dozen, I Dumanoglu, E Eskut, S Girgis, G Gokbulut, E Gurpinar, 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, 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, E Gülmez, B Isildak, M Kaya, O Kaya, S Ozkorucuklu, N Sonmez, K Cankocak, 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, J Pela, M Pesaresi, K Petridis, M Pioppi, DM Raymond, S Rogerson, A Rose, MJ Ryan, C Seez, P Sharp, A Sparrow, A Tapper, M Vazquez Acosta, T Virdee, S Wakefield, N Wardle, T Whyntie, M Chadwick, JE Cole, PR Hobson, A Khan, P Kyberd, D Leggat, D Leslie, W Martin, ID Reid, P Symonds, L Teodorescu, M Turner, K Hatakeyama, H Liu, T Scarborough, O Charaf, C Henderson, P Rumerio, A Avetisyan, T Bose, C Fantasia, A Heister, J St John, P Lawson, D Lazic, J Rohlf, D Sperka, L Sulak, J Alimena, S Bhattacharya, D Cutts, A Ferapontov, U Heintz, S Jabeen, G Kukartsev, E Laird, 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, S Chauhan, M Chertok, J Conway, R Conway, PT Cox, J Dolen, R Erbacher, M Gardner, J Gunion, R Houtz, W Ko, A Kopecky, R Lander, T Miceli, D Pellett, F Ricci-Tam, B Rutherford, M Searle, J Smith, M Squires, M Tripathi, R Vasquez Sierra, V Andreev, 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, ME Dinardo, 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, M Pieri, M Sani, 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, C West, A Apresyan, A Bornheim, 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, YF Liu, M Paulini, H Vogel, I Vorobiev, JP Cumalat, BR Drell, CJ Edelmaier, WT Ford, A Gaz, B Heyburn, E Luiggi Lopez, JG Smith, K Stenson, KA Ulmer, SR Wagner, J Alexander, A Chatterjee, N Eggert, LK Gibbons, B Heltsley, 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, D Winn, S Abdullin, M Albrow, J Anderson, LAT Bauerdick, A Beretvas, J Berryhill, PC Bhat, I Bloch, K Burkett, JN Butler, V Chetluru, HWK Cheung, F Chlebana, VD Elvira, I Fisk, J Freeman, Y Gao, D Green, O Gutsche, J Hanlon, RM Harris, J Hirschauer, B Hooberman, S Jindariani, M Johnson, U Joshi, B Kilminster, B Klima, S Kunori, S Kwan, C Leonidopoulos, D Lincoln, R Lipton, J Lykken, K Maeshima, JM Marraffino, S Maruyama, D Mason, P McBride, K Mishra, S Mrenna, Y Musienko, C Newman-Holmes, V O'Dell, O Prokofyev, E Sexton-Kennedy, S Sharma, WJ Spalding, L Spiegel, P Tan, L Taylor, S Tkaczyk, NV Tran, 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, 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, P Sellers, N Skhirtladze, M Snowball, J Yelton, M Zakaria, V Gaultney, LM Lebolo, S Linn, P Markowitz, G Martinez, JL Rodriguez, JR Adams, T Adams, A Askew, J Bochenek, J Chen, B Diamond, SV Gleyzer, J Haas, S Hagopian, V Hagopian, M Jenkins, KF Johnson, H Prosper, 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, I Bucinskaite, J Callner, R Cavanaugh, C Dragoiu, O Evdokimov, L Gauthier, CE Gerber, DJ Hofman, S Khalatyan, F Lacroix, M Malek, C O'Brien, C Silkworth, D Strom, N Varelas, U Akgun, EA Albayrak, B Bilki, W Clarida, F Duru, S Griffiths, J-P Merlo, H Mermerkaya, A Mestvirishvili, A Moeller, J Nachtman, CR Newsom, E Norbeck, Y Onel, F Ozok, S Sen, E Tiras, J Wetzel, T Yetkin, K Yi, BA Barnett, B Blumenfeld, S Bolognesi, D Fehling, G Giurgiu, AV Gritsan, ZJ Guo, G Hu, P Maksimovic, S Rappoccio, M Swartz, 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, K Pedro, A Peterman, A Skuja, J Temple, MB Tonjes, SC Tonwar, E Twedt, 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, K Krajczar, 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, B Dahmes, A De Benedetti, G Franzoni, A Gude, SC Kao, K Klapoetke, Y Kubota, J Mans, N Pastika, R Rusack, M Sasseville, A Singovsky, N Tambe, J Turkewitz, LM Cremaldi, R Kroeger, L Perera, R Rahmat, DA Sanders, E Avdeeva, K Bloom, S Bose, J Butt, DR Claes, A Dominguez, M Eads, 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, G Alverson, E Barberis, D Baumgartel, M Chasco, J Haley, D Nash, 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, B Bylsma, LS Durkin, A Hart, C Hill, R Hughes, K Kotov, TY Ling, D Puigh, M Rodenburg, C Vuosalo, G Williams, BL Winer, N Adam, E Berry, P Elmer, D Gerbaudo, V Halyo, P Hebda, J Hegeman, A Hunt, P Jindal, D Lopes Pegna, P Lujan, D Marlow, T Medvedeva, M Mooney, J Olsen, P Piroué, X Quan, A Raval, B Safdi, H Saka, D Stickland, C Tully, JS Werner, A Zuranski, JG Acosta, E Brownson, 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, 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, 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, J Han, A Harel, DC Miner, D Vishnevskiy, M Zielinski, A Bhatti, R Ciesielski, L Demortier, K Goulianos, G Lungu, S Malik, C Mesropian, S Arora, A Barker, JP Chou, C Contreras-Campana, E Contreras-Campana, D Duggan, D Ferencek, Y Gershtein, R Gray, E Halkiadakis, D Hidas, A Lath, S Panwalkar, M Park, R Patel, V Rekovic, J Robles, 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, J Damgov, PR Dudero, C Jeong, K Kovitanggoon, SW Lee, T Libeiro, Y Roh, I Volobouev, E Appelt, C Florez, S Greene, A Gurrola, W Johns, C Johnston, P Kurt, C Maguire, A Melo, P Sheldon, B Snook, S Tuo, J Velkovska, MW Arenton, M Balazs, S Boutle, B Cox, B Francis, 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, A Sakharov, M Anderson, M Bachtis, D Belknap, L Borrello, D Carlsmith, M Cepeda, S Dasu, 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, F Palmonari, GA Pierro, I Ross, A Savin, WH Smith, J Swanson, CMS Collaboration

Abstract:

The dimuon invariant mass spectrum is searched in the range between 5.5 and 14 GeV for a light pseudoscalar Higgs boson a, predicted in a number of new physics models, including the next-to-minimal supersymmetric standard model. The data sample used in the search corresponds to an integrated luminosity of 1.3 fb(-1) collected in pp collisions at √s = 7 TeV with the CMS detector at the LHC. No excess is observed above the background predictions and upper limits are set on the cross section times branching fraction σ × B(pp→a→μ(+)μ(-)) in the range of 1.5-7.5 pb. These results improve on existing bounds on the abb coupling for m(a) < m(Υ(1S)) and are the first significant limits for m(a) > m(Υ(3S)). Constraints on the supersymmetric parameter space are presented in the context of the next-to-minimal model.

Measurement of the single-top-quark t-channel cross section in pp collisions at sqrt(s) = 7 TeV

ArXiv 1209.4533 (2012)

Search for resonant t t-bar production in lepton+jets events in pp collisions at sqrt(s) = 7 TeV

ArXiv 1209.4397 (2012)

Search for physics beyond the standard model in events with a Z boson, jets, and missing transverse energy in pp collisions at √s=7 TeV

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 716:2 (2012) 260-284

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, 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 SuarezGonzalez, S Bansal, K Cerny, T Cornelis, EA DeWolf, X Janssen, S Luyckx, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H VanHaevermaet, P VanMechelen, N VanRemortel, A VanSpilbeeck, F Blekman, S Blyweert, J D'Hondt, R GonzalezSuarez, A Kalogeropoulos, M Maes, A Olbrechts, W VanDoninck, P VanMulders, GP VanOnsem, I Villella, O Charaf, B Clerbaux, G DeLentdecker, V Dero, APR Gay, T Hreus, A Léonard, PE Marage, L Thomas, C VanderVelde, P Vanlaer, V Adler, K Beernaert, A Cimmino, S Costantini, G Garcia, M Grunewald, B Klein, J Lellouch, A Marinov, J Mccartin, AA OcampoRios, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, E Yazgan, N Zaganidis, S Basegmez, G Bruno, L Ceard, C Delaere, T duPree, D Favart

Abstract:

A search is presented for physics beyond the standard model (BSM) in events with a Z boson, jets, and missing transverse energy (ETmiss). This signature is motivated by BSM physics scenarios, including supersymmetry. The study is performed using a sample of proton-proton collision data collected at √s=7 TeV with the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.98 fb -1. The contributions from the dominant standard model backgrounds are estimated from data using two complementary strategies, the jet-Z balance technique and a method based on modeling ETmiss with data control samples. In the absence of evidence for BSM physics, we set limits on the non-standard-model contributions to event yields in the signal regions and interpret the results in the context of simplified model spectra. Additional information is provided to facilitate tests of other BSM physics models. © 2012 CERN.

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 716:1 (2012) 30-61

Authors:

S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, E Aguilo, 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, V Knünz, M Krammer, I Krätschmer, D Liko, W Majerotto, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, F Szoncsó, A Taurok, W Waltenberger, G Walzel, E Widl, CE Wulz, V Chekhovsky, I Emeliantchik, A Litomin, V Makarenko, V Mossolov, N Shumeiko, A Solin, R Stefanovitch, J Suarez Gonzalez, A Fedorov, M Korzhik, O Missevitch, R Zuyeuski, M Bansal, S Bansal, W Beaumont, T Cornelis, EA De Wolf, D Druzhkin, X Janssen, S Luyckx, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, Z Staykova, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, O Devroede, R Gonzalez Suarez, R Goorens, A Kalogeropoulos, M Maes, A Olbrechts, S Tavernier, W Van Doninck, L Van Lancker, P Van Mulders, GP Van Onsem, I Villella, B Clerbaux, G De Lentdecker, V Dero, JP Dewulf, APR Gay, T Hreus, A Léonard, PE Marage, A Mohammadi, T Reis, S Rugovac, L Thomas, C Vander Velde, P Vanlaer, J Wang, J Wickens, V Adler

Abstract:

Results are presented from searches for the standard model Higgs boson in proton-proton collisions at s=7 and 8 TeV in the Compact Muon Solenoid experiment at the LHC, using data samples corresponding to integrated luminosities of up to 5.1 fb-1 at 7 TeV and 5.3 fb-1 at 8 TeV. The search is performed in five decay modes: γγ, ZZ, W+W-, τ+τ-, and bb-. An excess of events is observed above the expected background, with a local significance of 5.0 standard deviations, at a mass near 125 GeV, signalling the production of a new particle. The expected significance for a standard model Higgs boson of that mass is 5.8 standard deviations. The excess is most significant in the two decay modes with the best mass resolution, γγ and ZZ; a fit to these signals gives a mass of 125.3±0.4(stat.)±0.5(syst.) GeV. The decay to two photons indicates that the new particle is a boson with spin different from one. © 2012 CERN.