Measurement of W+W-production and search for the Higgs boson in pp collisions at √s=7 TeV

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 699:1-2 (2011) 25-47

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, S Hänsel, M Hoch, N Hörmann, J Hrubec, M Jeitler, G Kasieczka, W Kiesenhofer, M Krammer, D Liko, I Mikulec, M Pernicka, H Rohringer, R Schöfbeck, J Strauss, F Teischinger, P Wagner, W Waltenberger, G Walzel, E Widl, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, L Benucci, EA De Wolf, X Janssen, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, F Blekman, S Blyweert

Abstract:

A measurement of W + W - production in pp collisions at √s=7 TeV and a search for the Higgs boson are reported. The W + W - candidates are selected in events with two leptons, either electrons or muons. The measurement is performed using LHC data recorded with the CMS detector, corresponding to an integrated luminosity of 36 pb -1 . The pp → W + W - cross section is measured to be 41.1±15.3(stat)±5.8(syst)±4.5(lumi)pb, consistent with the standard model prediction. Limits on WWγ and WWZ anomalous triple gauge couplings are set. The search for the standard model Higgs boson in the W + W - decay mode does not reveal any evidence of excess above backgrounds. Limits are set on the production of the Higgs boson in the context of the standard model and in the presence of a sequential fourth family of fermions with high masses. In the latter context, a Higgs boson with mass between 144 and 207 GeV/c2 is ruled out at 95% confidence level. © 2011 CERN.

Galaxy and Mass Assembly (GAMA): survey diagnostics and core data release

\mnras 413 (2011) 971-995-971-995

Authors:

SP Driver, DT Hill, LS Kelvin, ASG Robotham, J Liske, P Norberg, IK Baldry, SP Bamford, AM Hopkins, J Loveday, JA Peacock, E Andrae, J Bland-Hawthorn, S Brough, MJI Brown, E Cameron, JHY Ching, M Colless, CJ Conselice, SM Croom, NJG Cross, R de Propris, S Dye, MJ Drinkwater, S Ellis, AW Graham, MW Grootes, M Gunawardhana, DH Jones, E van Kampen, C Maraston, RC Nichol, HR Parkinson, S Phillipps, K Pimbblet, CC Popescu, M Prescott, IG Roseboom, EM Sadler, AE Sansom, RG Sharp, DJB Smith, E Taylor, D Thomas, RJ Tuffs, D Wijesinghe, L Dunne, CS Frenk, MJ Jarvis, BF Madore, MJ Meyer, M Seibert, L Staveley-Smith, WJ Sutherland, SJ Warren

Search for resonances in the dilepton mass distribution in pp collisions at TeV

Journal of High Energy Physics Springer Nature 2011:5 (2011) 93

Authors:

The CMS collaboration, 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, S Hänsel, M Hoch, N Hörmann, J Hrubec, M Jeitler, G Kasieczka, W Kiesenhofer, M Krammer, D Liko, I Mikulec, M Pernicka, H Rohringer, R Schöfbeck, J Strauss, F Teischinger, P Wagner, W Waltenberger, G Walzel, E Widl, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, L Benucci, EA De Wolf, X Janssen, T Maes, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, H Van Haevermaet, P Van Mechelen, N Van Remortel, F Blekman, S Blyweert, J D’Hondt, O Devroede, R Gonzalez Suarez, A Kalogeropoulos, J Maes, M Maes, 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, PE Marage, L Thomas, C Vander Velde, P Vanlaer, V Adler, A Cimmino, S Costantini, M Grunewald, B Klein, J Lellouch, A Marinov, J Mccartin, D Ryckbosch, F Thyssen, M Tytgat, L Vanelderen, P Verwilligen, S Walsh, N Zaganidis, S Basegmez, G Bruno, J Caudron, L Ceard, E Cortina Gil, J De Favereau De Jeneret, C Delaere, D Favart, A Giammanco, G Grégoire, J Hollar, V Lemaitre, J Liao, O Militaru, S Ovyn, D Pagano, A Pin, K Piotrzkowski, N Schul, N Beliy, T Caebergs, E Daubie, GA Alves, D De Jesus Damiao, ME Pol, MHG Souza, W Carvalho, EM Da Costa, C De Oliveira Martins, S Fonseca De Souza, L Mundim, H Nogima, V Oguri, WL Prado Da Silva, A Santoro, SM Silva Do Amaral, A Sznajder, F Torres Da Silva De Araujo, FA Dias, TR Fernandez Perez Tomei, EM Gregores, C Lagana, F Marinho, PG Mercadante, SF Novaes, Sandra S Padula, N Darmenov, L Dimitrov, V Genchev, P Iaydjiev, S Piperov, M Rodozov, S Stoykova, G Sultanov, V Tcholakov, R Trayanov, I Vankov, A Dimitrov, R Hadjiiska, A Karadzhinova, V Kozhuharov, L Litov, M Mateev, 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, Y Ban, S Guo, Y Guo, W Li, Y Mao, SJ Qian, H Teng, L Zhang, B Zhu, W Zou, A Cabrera, B Gomez Moreno, AA Ocampo Rios, AF Osorio Oliveros, JC Sanabria, N Godinovic, D Lelas, K Lelas, R Plestina, D Polic, I Puljak, Z Antunovic, M Dzelalija, V Brigljevic, S Duric, K Kadija, S Morovic, A Attikis, M Galanti, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Finger, M Finger, Y Assran, S Khalil, MA Mahmoud, A Hektor, M Kadastik, M Müntel, M Raidal, L Rebane, V Azzolini, P Eerola, G Fedi, 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, 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, FX Gentit, A Givernaud, P Gras, G Hamel de Monchenault, P Jarry, E Locci, J Malcles, M Marionneau, L Millischer, J Rander, A Rosowsky, I Shreyber, M Titov, P Verrecchia, S Baffioni, F Beaudette, L Benhabib, L Bianchini, M Bluj, C Broutin, P Busson, C Charlot, 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, B Wyslouch, 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, S Greder, P Juillot, M Karim, A-C Le Bihan, Y Mikami, P Van Hove, F Fassi, D Mercier, C Baty, S Beauceron, N Beaupere, M Bedjidian, O Bondu, G Boudoul, D Boumediene, H Brun, R Chierici, D Contardo, P Depasse, H El Mamouni, J Fay, S Gascon, B Ille, T Kurca, T Le Grand, M Lethuillier, L Mirabito, S Perries, V Sordini, S Tosi, Y Tschudi, P Verdier, D Lomidze, G Anagnostou, M Edelhoff, L Feld, N Heracleous, O Hindrichs, R Jussen, K Klein, J Merz, N Mohr, A Ostapchuk, A Perieanu, F Raupach, J Sammet, S Schael, D Sprenger, H Weber, M Weber, B Wittmer, M Ata, W Bender, E Dietz-Laursonn, M Erdmann, J Frangenheim, T Hebbeker, A Hinzmann, K Hoepfner, T Klimkovich, D Klingebiel, P Kreuzer, D Lanske, C Magass, M Merschmeyer, A Meyer, P Papacz, H Pieta, H Reithler, SA Schmitz, L Sonnenschein, J Steggemann, D Teyssier, M Tonutti, M Bontenackels, M Davids, M Duda, G Flügge, H Geenen, M Giffels, W Haj Ahmad, D Heydhausen, T Kress, Y Kuessel, A Linn, A Nowack, L Perchalla, O Pooth, J Rennefeld, P Sauerland, A Stahl, M Thomas, D Tornier, MH Zoeller, M Aldaya Martin, W Behrenhoff, U Behrens, M Bergholz, A Bethani, K Borras, A Cakir, A Campbell, E Castro, D Dammann, G Eckerlin, D Eckstein, A Flossdorf, G Flucke, A Geiser, J Hauk, H Jung, M Kasemann, I Katkov, P Katsas, C Kleinwort, H Kluge, A Knutsson, M Krämer, D Krücker, E Kuznetsova, W Lange, W Lohmann, R Mankel, M Marienfeld, I-A Melzer-Pellmann, AB Meyer, J Mnich, A Mussgiller, J Olzem, D Pitzl, A Raspereza, A Raval, M Rosin, R Schmidt, T Schoerner-Sadenius, N Sen, A Spiridonov, M Stein, J Tomaszewska, R Walsh, C Wissing, C 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Ralich, 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 Silvestre, A Smoron, D Strom, N Varelas, U Akgun, EA Albayrak, B Bilki, W Clarida, F Duru, 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, J Wetzel, T Yetkin, K Yi, BA Barnett, B Blumenfeld, A Bonato, C Eskew, D Fehling, G Giurgiu, AV Gritsan, 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, JS Wood, V Zhukova, AF Barfuss, T Bolton, I Chakaberia, A Ivanov, S Khalil, M Makouski, Y Maravin, S Shrestha, I Svintradze, Z Wan, J Gronberg, D Lange, D Wright, A Baden, M Boutemeur, SC Eno, D Ferencek, JA Gomez, NJ Hadley, RG Kellogg, M Kirn, Y Lu, AC Mignerey, K Rossato, P Rumerio, F 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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, H Flacher, A Garcia-Bellido, P Goldenzweig, Y Gotra, J Han, A Harel, DC Miner, D Orbaker, G Petrillo, D Vishnevskiy, M Zielinski, A Bhatti, R Ciesielski, L Demortier, K Goulianos, G Lungu, S Malik, C Mesropian, M Yan, O Atramentov, A Barker, D Duggan, Y Gershtein, R Gray, E Halkiadakis, D Hidas, D Hits, A Lath, S Panwalkar, R Patel, A Richards, K Rose, S Schnetzer, S Somalwar, R Stone, S Thomas, G Cerizza, M Hollingsworth, S Spanier, ZC Yang, A York, J Asaadi, R Eusebi, J Gilmore, A Gurrola, T Kamon, V Khotilovich, R Montalvo, CN Nguyen, I Osipenkov, Y Pakhotin, J Pivarski, A Safonov, S Sengupta, A Tatarinov, D Toback, M Weinberger, N Akchurin, C Bardak, J Damgov, C Jeong, K Kovitanggoon, SW Lee, Y Roh, A Sill, I Volobouev, R Wigmans, E Yazgan, E Appelt, E Brownson, D Engh, C Florez, W Gabella, M Issah, W Johns, P Kurt, C Maguire, A Melo, P Sheldon, B Snook, S Tuo, J Velkovska, MW Arenton, M Balazs, S Boutle, B Cox, B Francis, R Hirosky, A Ledovskoy, C Lin, C Neu, R Yohay, S Gollapinni, R Harr, PE Karchin, P Lamichhane, M Mattson, C Milstène, A Sakharov, M Anderson, M Bachtis, JN Bellinger, D Carlsmith, S Dasu, J Efron, K Flood, L Gray, KS Grogg, M Grothe, R Hall-Wilton, M Herndon, P Klabbers, J Klukas, A Lanaro, C Lazaridis, J Leonard, R Loveless, A Mohapatra, F Palmonari, D Reeder, I Ross, A Savin, WH Smith, J Swanson, M Weinberg

The evolution of radio sources in the UKIDSS-DXS-XMM-LSS field

\mnras 413 (2011) 1054-1060-1054-1060

Authors:

K McAlpine, MJ Jarvis

Invariant mass distribution of jet pairs produced in association with a W boson in pp collisions at sqrt[s]=1.96  TeV.

Phys Rev Lett 106:17 (2011) 171801

Authors:

T Aaltonen, B Álvarez González, S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, JA Appel, A Apresyan, T Arisawa, A Artikov, J Asaadi, W Ashmanskas, B Auerbach, A Aurisano, F Azfar, W Badgett, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Barria, P Bartos, M Bauce, G Bauer, F Bedeschi, D Beecher, S Behari, G Bellettini, J Bellinger, D Benjamin, A Beretvas, A Bhatti, M Binkley, D Bisello, I Bizjak, KR Bland, B Blumenfeld, A Bocci, A Bodek, D Bortoletto, J Boudreau, A Boveia, B Brau, L Brigliadori, A Brisuda, C Bromberg, E Brucken, M Bucciantonio, J Budagov, HS Budd, S Budd, K Burkett, G Busetto, P Bussey, A Buzatu, C Calancha, S Camarda, M Campanelli, M Campbell, F Canelli, A Canepa, B Carls, D Carlsmith, R Carosi, S Carrillo, S Carron, B Casal, M Casarsa, A Castro, P Catastini, D Cauz, V Cavaliere, M Cavalli-Sforza, A Cerri, L Cerrito, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, K Cho, D Chokheli, JP Chou, WH Chung, YS Chung, CI Ciobanu, MA Ciocci, A Clark, C Clarke, G Compostella, ME Convery, J Conway, M Corbo, M Cordelli, CA Cox, DJ Cox, F Crescioli, C Cuenca Almenar, J Cuevas, R Culbertson, D Dagenhart, N d'Ascenzo, M Datta, P de Barbaro, S De Cecco, G De Lorenzo, M Dell'Orso, C Deluca, L Demortier, J Deng, M Deninno, F Devoto, M d'Errico, A Di Canto, B Di Ruzza, JR Dittmann, M D'Onofrio, S Donati, P Dong, M Dorigo, T Dorigo, K Ebina, A Elagin, A Eppig, R Erbacher, D Errede, S Errede, N Ershaidat, R Eusebi, HC Fang, S Farrington, M Feindt, JP Fernandez, C Ferrazza, R Field, R Forrest, MJ Frank, M Franklin, JC Freeman, Y Funakoshi, I Furic, M Gallinaro, J Galyardt, JE Garcia, AF Garfinkel, P Garosi, H Gerberich, E Gerchtein, S Giagu, V Giakoumopoulou, P Giannetti, K Gibson, CM Ginsburg, N Giokaris, P Giromini, M Giunta, G Giurgiu, V Glagolev, M Gold, D Goldin, N Goldschmidt, A Golossanov, G Gomez, G Gomez-Ceballos, M Goncharov, O González, I Gorelov, AT Goshaw, K Goulianos, S Grinstein, C Grosso-Pilcher, RC Group, J Guimaraes da Costa, Z Gunay-Unalan, C Haber, SR Hahn, E Halkiadakis, A Hamaguchi, JY Han, F Happacher, K Hara, D Hare, M Hare, RF Harr, K Hatakeyama, C Hays, M Heck, J Heinrich, M Herndon, S Hewamanage, D Hidas, A Hocker, W Hopkins, D Horn, S Hou, RE Hughes, M Hurwitz, U Husemann, N Hussain, M Hussein, J Huston, G Introzzi, M Iori, A Ivanov, E James, D Jang, B Jayatilaka, EJ Jeon, MK Jha, S Jindariani, W Johnson, M Jones, KK Joo, SY Jun, TR Junk, T Kamon, PE Karchin, A Kasmi, Y Kato, W Ketchum, J Keung, V Khotilovich, B Kilminster, DH Kim, HS Kim, HW Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kim, N Kimura, M Kirby, S Klimenko, K Kondo, DJ Kong, J Konigsberg, AV Kotwal, M Kreps, D Krop, N Krumnack, M Kruse, V Krutelyov, T Kuhr, M Kurata, S Kwang, AT Laasanen, S Lami, M Lancaster, RL Lander, K Lannon, A Lath, G Latino, T LeCompte, E Lee, HS Lee, JS Lee, SW Lee, S Leo, S Leone, JD Lewis, A Limosani, C-J Lin, J Linacre, M Lindgren, E Lipeles, A Lister, DO Litvintsev, C Liu, Q Liu, T Liu, S Lockwitz, NS Lockyer, A Loginov, D Lucchesi, J Lueck, P Lujan, P Lukens, G Lungu, J Lys, R Lysak, R Madrak, K Maeshima, K Makhoul, P Maksimovic, S Malik, G Manca, A Manousakis-Katsikakis, F Margaroli, C Marino, M Martínez, R Martínez-Ballarín, P Mastrandrea, M Mathis, ME Mattson, P Mazzanti, KS McFarland, P McIntyre, R McNulty, A Mehta, P Mehtala, A Menzione, C Mesropian, T Miao, D Mietlicki, A Mitra, H Miyake, S Moed, N Moggi, MN Mondragon, CS Moon, R Moore, MJ Morello, J Morlock, P Movilla Fernandez, A Mukherjee, Th Muller, M Mussini, J Nachtman, Y Nagai, J Naganoma, I Nakano, A Napier, J Nett, C Neu, MS Neubauer, J Nielsen, L Nodulman, O Norniella, E Nurse, L Oakes, SH Oh, YD Oh, I Oksuzian, T Okusawa, R Orava, L Ortolan, S Pagan Griso, C Pagliarone, E Palencia, V Papadimitriou, AA Paramonov, J Patrick, G Pauletta, M Paulini, C Paus, DE Pellett, A Penzo, TJ Phillips, G Piacentino, E Pianori, J Pilot, K Pitts, C Plager, L Pondrom, K Potamianos, O Poukhov, F Prokoshin, F Ptohos, E Pueschel, G Punzi, J Pursley, A Rahaman, V Ramakrishnan, N Ranjan, I Redondo, M Rescigno, F Rimondi, L Ristori, T Rodrigo, T Rodriguez, E Rogers, S Rolli, R Roser, M Rossi, F Rubbo, F Ruffini, A Ruiz, J Russ, A Safonov, WK Sakumoto, Y Sakurai, L Santi, L Sartori, K Sato, V Saveliev, A Savoy-Navarro, P Schlabach, A Schmidt, EE Schmidt, MP Schmidt, M Schmitt, T Schwarz, L Scodellaro, A Scribano, F Scuri, A Sedov, S Seidel, Y Seiya, A Semenov, F Sforza, A Sfyrla, SZ Shalhout, T Shears, PF Shepard, M Shimojima, S Shiraishi, M Shochet, I Shreyber, A Simonenko, P Sinervo, A Sissakian, K Sliwa, JR Smith, FD Snider, A Soha, S Somalwar, V Sorin, P Squillacioti, M Stancari, M Stanitzki, R St Denis, B Stelzer, O Stelzer-Chilton, D Stentz, J Strologas, GL Strycker, Y Sudo, A Sukhanov, I Suslov, K Takemasa, Y Takeuchi, J Tang, M Tecchio, PK Teng, J Thom, J Thome, GA Thompson, E Thomson, P Ttito-Guzmán, S Tkaczyk, D Toback, S Tokar, K Tollefson, T Tomura, D Tonelli, S Torre, D Torretta, P Totaro, M Trovato, Y Tu, F Ukegawa, S Uozumi, A Varganov, F Vázquez, G Velev, C Vellidis, M Vidal, I Vila, R Vilar, J Vizán, M Vogel, G Volpi, P Wagner, RL Wagner, T Wakisaka, R Wallny, SM Wang, A Warburton, D Waters, M Weinberger, WC Wester, B Whitehouse, D Whiteson, AB Wicklund, E Wicklund, S Wilbur, F Wick, HH Williams, JS Wilson, P Wilson, BL Winer, P Wittich, S Wolbers, H Wolfe, T Wright, X Wu, Z Wu, K Yamamoto, J Yamaoka, T Yang, UK Yang, YC Yang, W-M Yao, GP Yeh, K Yi, J Yoh, K Yorita, T Yoshida, GB Yu, I Yu, SS Yu, JC Yun, A Zanetti, Y Zeng, S Zucchelli, CDF Collaboration

Abstract:

We report a study of the invariant mass distribution of jet pairs produced in association with a W boson using data collected with the CDF detector which correspond to an integrated luminosity of 4.3  fb(-1). The observed distribution has an excess in the 120-160  GeV/c(2) mass range which is not described by current theoretical predictions within the statistical and systematic uncertainties. In this Letter, we report studies of the properties of this excess.