Title: | Measurement of the t(t)over-bar production cross section and the top quark mass in the dilepton channel in pp collisions at √s=7 TeV |
Authors: | Chatrchyan, S Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Ero, J Fabjan, C Friedl, M Fruhwirth, R Gupta, P Messineo, A Chauhan, S Bedoya, CF Oliveros, S Karadzhinova, A Chertok, M Conway, J Cox, PT Dolen, J Gao, Y Jain, S Anghel, IM Erbacher, R Friis, E Palla, F Ko, W Kopecky, A Lander, R Bell, AJ Ramos, JPF Liu, H Jain, S Kozhuharov, V Apanasevich, L Maruyama, S Miceli, T Nikolic, M Segneri, G Pellett, D Robles, J Salur, S Schwarz, T Khurana, R Vargas, JER Searle, M Bai, Y Ferrando, A Smith, J Squires, M Litov, L Serban, AT Tripathi, M Sierra, RV Maurisset, A Veelken, C Andreev, V Arisaka, K Bazterra, VE Zatserklyaniy, A Cline, D Cousins, R Flix, J Deisher, A Kolb, J Chasco, M Duris, J Erhan, S Mateev, M Farrell, C Ecklund, KM Hauser, J Ignatenko, M Alagoz, E Jarvis, C Plager, C Kumar, A Rakness, G Spagnolo, P Pin, A Schlein, P Tucker, J Moreno, BG Valuev, V Babb, J Pavlov, B Chandra, A Choi, YK Yilmaz, Y Khalil, S Clare, R Marinov, A Ellison, J Gary, JW Betts, RR Giordano, F Fouz, MC Hanson, G Naimuddin, M Jeng, GY Kao, SC Liu, F Liu, H Barnes, VE Tenchini, R Hormann, N Callner, J Petkov, P Long, OR Ranjan, K Luthra, A Nguyen, H Garcia-Abia, P Shen, BC Stringer, R Sturdy, J Sumowidagdo, S Tonelli, G Cavanaugh, R Bolla, G Chen, M Fisher, M Wilken, R Wimpenny, S Andrews, W Bian, JG Branson, JG Cerati, GB Lopez, OG Evans, D Golf, F Graziano, A Shivpuri, RK Venturi, A Holzner, A Borrello, L Kelley, R Lebourgeois, M Letts, J Mangano, B Padhi, S Chen, GM Palmer, C Dutta, S Gottschalk, E Dragoiu, C Lopez, SG Rovere, M Petrucciani, G Pi, H Bortoletto, D Pieri, M Ranieri, R Sani, M Van Doninck, W Sharma, V Simon, S Gomez, G Sudano, E Tadel, M Verdini, PG Chen, HS Hernandez, JM Tu, Y Everett, A Sarkar, S Vartak, A Wasserbaech, S Wurthwein, F Gauthier, L Yagil, A Yoo, J Barge, D Barone, L Bellan, R Campagnari, C Choudhury, RK D'Alfonso, M Josa, MI Garfinkel, AF Jiang, CH Gerber, CE Danielson, T Flowers, K Geffert, P Incandela, J Cavallari, F Dutta, D Justus, C Kalavase, P Koay, SA Kovalskyi, D Krutelyov, V Hofman, DJ Benedetti, D Merino, G Lowette, S Liang, D Kailas, S Mccoll, N Del Re, D Pavlunin, V Rebassoo, F Ribnik, J Richman, J Khalatyan, S Rossin, R Stuart, D Gutay, L Reucroft, S To, W Pelayo, JP Vlimant, JR Ptochos, F Apresyan, A Liang, S Bornheim, A Geurts, FJM Bunn, J Chen, Y Goh, J Gataullin, M Ma, Y Hu, Z Mott, A Newman, HB Di Marco, E Redondo, I Rogan, C Kunde, GJ Shin, K Shipkowski, SP Meijers, F Timciuc, V Meng, X Traczyk, P Veverka, J Wilkinson, R Yoon, AS Jones, M Diemoz, M Yang, Y Lacroix, F Pandolfi, F Zhu, RY Akgun, B Romero, L Carroll, R Ferguson, T Iiyama, Y Jang, DW Tao, J Jun, SY Franci, D Arneodo, M Rios, AAO Koybasi, O Liu, YF Paulini, M Russ, J Vogel, H Piotrzkowski, K Vorobiev, I Cumalat, JP Dinardo, ME Kumar, V Drell, BR Zanetti, M Thyssen, F McCartin, J Edelmaier, CJ Mahmoud, MA Wang, J Ford, WT Gaz, A Heyburn, B Mehta, P Lopez, EL Santaolalla, J Nauenberg, U Malek, M Smith, JG Grassi, M Stenson, K Ulmer, KA Kress, M Wagner, SR Mohanty, AK Zang, SL Hrubec, J Wang, J Agostino, L O'Brien, C Alexander, J Soares, MS Longo, E Cassel, D Chatterjee, A Pant, LM Das, S Laasanen, AT Eggert, N Gibbons, LK Heltsley, B Silkworth, C Hopkins, W Khukhunaishvili, A Wang, X Sakulin, H Shukla, P Kreis, B Willmott, C Kaufman, GN Patterson, JR Leonardo, N Puigh, D Beliy, N Ryd, A Salvati, E Shi, X Aziz, T Sun, W Meridiani, P Teo, WD Thom, J Wang, Z Albajar, C Thompson, J Silvestre, C Liu, C Vaughan, J Van Mulders, P Weng, Y Winstrom, L Wittich, P Nourbakhsh, S Biselli, A Cirino, G Winn, D Abdullin, S Smoron, A Albrow, M Markou, C Guchait, M Codispoti, G Maroussov, V Xiao, H Anderson, J Apollinari, G Organtini, G Atac, M Bakken, JA Banerjee, S Strom, D Gurtu, A Bauerdick, LAT Beretvas, A Berryhill, J Bhat, PC Bernet, C de Troconiz, JF Bloch, I Kolberg, T Xu, M Borcherding, F Slaunwhite, J Kadastik, M Burkett, K Butler, JN Chetluru, V Cheung, HWK Chlebana, F Cihangir, S Merkel, P Cooper, W Varelas, N Fu, Y Paramatti, R Akgun, U Schwick, C Albayrak, EA Bilki, B Oliveros, AFO Clarida, W Duru, F Sanchez, JG Lae, CK Swain, J McCliment, E Miller, DH Padley, BP Merlo, JP Cimmino, A Mariotti, C Mermerkaya, H Mestvirishvili, A Moeller, A Nachtman, J Maity, M Newsom, CR Kiesenhofer, W Green, D Sanabria, JC Jorda, C Norbeck, E Redjimi, R Rodrigo, T Olson, J Onel, Y Mersi, S Ozok, F Sen, S Wetzel, J Gunthoti, K Yetkin, T Yi, K Barnett, BA Blumenfeld, B Pardo, PL Auzinger, G Majumder, D Roberts, J Godinovic, N Bonato, A Eskew, C Menendez, JF Fehling, D Giurgiu, G Gritsan, AV Guo, ZJ Hu, G Majumder, G Maksimovic, P Marone, M Rappoccio, S Krammer, M Bloch, P Gutsche, O Virto, AL Swartz, M Lelas, D Tran, NV Mazumdar, K Whitbeck, A Baringer, P Bean, A Maselli, S Benelli, G Grachov, O Hanlon, J Iii, RPK Zabel, J Murray, M Blyweert, S Mohanty, GB Marco, J Noonan, D Sanders, S Lelas, K Wood, JS Migliore, E Zhukova, V Harris, RM Barfuss, AF Bolton, T Saha, A Chakaberia, I Betchart, B Ivanov, A Khalil, S Marco, R Makouski, M Maravin, Y Mila, G Zhang, Z Shrestha, S Sudhakar, K Plestina, R Svintradze, I Wan, Z Gronberg, J Bodek, A Lange, D Wright, D Baden, A Rivero, CM Hirschauer, J Wickramage, N Monaco, V Boutemeur, M Eno, SC Ferencek, D Gomez, JA Polic, D Hadley, NJ Chung, YS Kellogg, RG Kirn, M Furic, IK Hooberman, B Lu, Y Musich, M Mignerey, AC Matorras, F Rossato, K Rumerio, P Santanastasio, F Skuja, A Temple, J Vanini, S Covarelli, R Rahatlou, S Puljak, I Tonjes, MB Obertino, MM Tonwar, SC Twedt, E Alver, B Sanchez, FJM Bauer, G Kim, MS Bendavid, J Busza, W Jensen, H Butz, E de Barbaro, P Cali, IA Nespolo, M Pastrone, N Chan, M Antunovic, Z Van Onsem, GP Dutta, V Everaerts, P Ceballos, GG Neumeister, N Gomez, JP Goncharov, M Hahn, KA Harris, P Demina, R Pelliccioni, M Mousa, J Kim, Y Klute, M Lee, YJ Li, W Johnson, M Dzelalija, M Loizides, C Luckey, PD Caebergs, T Ma, T Banerjee, S Nahn, S De Souza, SF Muntel, M Paus, C Ralph, D Joshi, U Roland, C Roland, G Rudolph, M Stephans, GSF Maki, T Dugad, S Brigljevic, V Stockli, F Eshaq, Y Luo, W Rodriguez-Marrero, AY Flacher, H Khatiwada, R Bocci, A Garcia-Bellido, A Goldenzweig, P Meschi, E Gotra, Y Han, J Harel, A Miner, DC Orbaker, D Tytgat, M Petrillo, G Folgueras, S Duric, S Raidal, M Mondal, NK Vishnevskiy, D Leonidov, A Bolognesi, S Zielinski, M Bhatti, A Ciesielski, R Demortier, L Romero, A Klima, B Goulianos, K Arfaei, H Lungu, G Cushman, P Malik, S Mesropian, C Yan, M Rebane, L Ghete, VM Atramentov, O Barker, A Kousouris, K Bakhshiansohi, H Ruspa, M Duggan, D Gershtein, Y Gray, R Dahmes, B Halkiadakis, E Hidas, D Hits, D Lath, A Panwalkar, S Gartner, J Kunori, S Alves, GA Sacchi, R Azzolini, V Patel, R Rose, K Schnetzer, S De Benedetti, A Somalwar, S Stone, R Etesami, SM Thomas, S Kwan, S Cerizza, G Hollingsworth, M Sola, V Spanier, S Bona, M Yang, ZC Mikulec, I Eerola, P Fahim, A Dudero, PR York, A Rovelli, C Eusebi, R Flanagan, W Gilmore, J Solano, A Gurrola, A Kamon, T Khotilovich, V Basegmez, S Breuker, H Montalvo, R Osipenkov, I Ban, Y Franzoni, G Pakhotin, Y Fedi, G Pivarski, J Perrozzi, L Staiano, A Hashemi, M Safonov, A Sengupta, S Tatarinov, A Toback, D Leonidopoulos, C Weinberger, M Bunkowski, K Akchurin, N Haupt, J Bardak, C Mavrommatis, C Jafari, A Damgov, J Pereira, AV Jeong, C Czellar, S Kovitanggoon, K Shipsey, I Lee, SW Libeiro, T Mane, P Roh, Y Trocino, D Camporesi, T Klapoetke, K Sill, A Belforte, S Volobouev, I Wigmans, R Limon, P Yazgan, E Appelt, E Harkonen, J Khakzad, M Brownson, E Engh, D Florez, C Gabella, W Kubota, Y Cossutti, F Cerminara, G Lincoln, D Issah, M Johns, W Villella, I Kurt, P Maguire, C Melo, A Sheldon, P Heikkinen, A Snook, B Tuo, S Lynch, S Lipton, R Mans, J Mohammadi, A Velkovska, J Perez, JAC Arenton, MW Balazs, M Boutle, S Cox, B Francis, B Hirosky, R Ledovskoy, A Lykken, J Moser, R Korablev, A Karimaki, V Ruiz-Jimeno, A Lin, C Neu, C Cure, B Yohay, R Gollapinni, S Harr, R Karchin, PE Kim, B Caballero, IG Lamichhane, P Segoni, I Mattson, M Milstene, C Pastika, N Sakharov, A Kinnunen, R Anderson, M Rusakov, SV Najafabadi, MM D'Enterria, D Maeshima, K Bachtis, M Bellinger, JN Della Ricca, G Carlsmith, D Dasu, S Efron, J Kadija, K Flood, K Mehdiabadi, SP Gray, L Grogg, KS Marraffino, JM Grothe, M Kortelainen, MJ De Roeck, A Vanelderen, L Hall-Wilton, R Herndon, M Herve, A Safarzadeh, B Klabbers, P Rekovic, V Klukas, J Amapane, N Lanaro, A Lazaridis, C Leonard, J Loveless, R Gobbo, B Mohapatra, A Ntomari, E Kwon, E Di Guida, S Lampen, T Palmonari, F Reeder, D Mason, D Rusack, R Ross, I Savin, A Smith, WH Swanson, J Zeinali, M Pozzobon, N Montanino, D Weinberg, M CMS Collaboration Lassila-Perini, K McBride, P Damiao, DD Pernicka, M Lehti, S Sasseville, M Abbrescia, M Linden, T Luukka, P Maenpaa, T Penzo, A Tuominen, E Tuominiemi, J Miao, T Tuovinen, E Ungaro, D Wendland, L Barbone, L Dupont-Sagorin, N Banzuzi, K Singovsky, A Rohringer, H Korpela, A Heo, SG Tuuva, T Silvers, D Sillou, D 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H Lee, J Kim, GN Cardaci, M Chabert, EC Collard, C Conte, E O'Dell, V Rahmat, R Drouhin, F Ferro, C Fontaine, JC De Palma, M Waltenberger, W Gele, D Ronchese, P Kim, JE Goerlach, U Gigi, D Pordes, R Greder, S Juillot, P Karim, M Fiore, L Morovic, S Le Bihan, AC Mikami, Y Van Hove, P Fassi, F Verwilligen, P Mercier, D Prokofyev, O Walzel, G Baty, C Iaselli, G Gill, K Beauceron, S Beaupere, N Sanders, DA Bedjidian, M Bondu, O Boudoul, G Kong, DJ Saoulidou, N Boumediene, D Lusito, L Brun, H Chasserat, J Chierici, R Widl, E Giordano, D Contardo, D Summers, D Depasse, P El Mamouni, H Hektor, A Zhang, J Park, H Fay, J Gascon, S Ille, B Kurca, T Le Grand, T Lethuillier, M Mirabito, L Pol, ME Bloom, K Korytov, A Sexton-Kennedy, E Wulz, CE Ro, SR Perries, S Sordini, V Tosi, S Tschudi, Y Verdier, P Lomidze, D Anagnostou, G Maggi, G Edelhoff, M Sharma, S Feld, L Bose, S Son, D Glege, F Heracleous, N Mossolov, V Hindrichs, O Jussen, R Gouskos, L Maggi, M Klein, K Merz, J Guo, Y Mohr, N Ostapchuk, A Perieanu, A Morse, DM Butt, J Raupach, F Garrido, RGR Manna, N Sammet, J Schael, S Shumeiko, N Spalding, WJ Sprenger, D Weber, H Weber, M Wittmer, B Son, DC Ata, M Marangelli, B Claes, DR Dietz-Laursonn, E Erdmann, M Gouzevitch, M Spiegel, L Hebbeker, T Hinzmann, A Hoepfner, K Gonzalez, JS Klimkovich, T My, S Son, T Klingebiel, D Kreuzer, P Dominguez, A Lanske, D Arcidiacono, R Magass, C Merschmeyer, M Govoni, P Meyer, A Lee, S Papacz, P Pieta, H Kim, Z Reithler, H Bansal, S Schmitz, SA Tan, P Sanudo, MS Sonnenschein, L Steggemann, J Da Costa, EM Teyssier, D Bontenackels, M Gowdy, S Davids, M Simonetto, F Siegrist, P Duda, M Iglesias, LL Flugge, G Geenen, H Clerbaux, B Giffels, M Eads, M Benucci, L Ahmad, WH Heydhausen, D Kress, T Kuessel, Y Kim, JY Taylor, L Azhgirey, I Nuzzo, S Guiducci, L Linn, A Nowack, A Perchalla, L Keller, J Pooth, O Rennefeld, J Sauerland, P De Wolf, EA Tkaczyk, S Pacifico, N Song, S Stahl, A Thomas, M Tornier, D Hansen, M Zoeller, MH Martin, MA Kelly, T Behrenhoff, W Behrens, U Kropivnitskaya, A Uplegger, L Bergholz, M Choi, S Bethani, A Borras, K Janssen, X Cakir, A Campbell, A Hartl, C Castro, E Mertzimekis, TJ Pierro, GA Attikis, A Svyatkovskiy, A Dammann, D Eckerlin, G Walsh, S Eckstein, D Flossdorf, A Flucke, G Geiser, A Hauk, J Anastassov, A Maes, J Jung, H Vaandering, EW Harvey, J Kravchenko, I Kasemann, M Hong, B Katkov, I Katsas, P Kleinwort, C Pompili, A Kluge, H Knutsson, A Kramer, M Vidal, R Krucker, D Kuznetsova, E Maes, T Lazo-Flores, J Jo, M Hegeman, J Pugliese, G Lange, W Lohmann, W Mankel, R Marienfeld, M Whitmore, J Melzer-Pellmann, IA Meyer, AB Mnich, J Mussgiller, A Olzem, J Romano, F Pearson, T Malbouisson, H Petrukhin, A Souza, MHG Mucibello, L Wu, W Pitzl, D Raspereza, A Raval, A Rosin, M Roselli, G Schmidt, R Schoerner-Sadenius, T Kim, H Sen, N Malik, S Spiridonov, A Schafer, C Stein, M Hegner, B Tomaszewska, J Seo, H Ochesanu, S Walsh, R Wissing, C Autermann, C Kim, JH Blobel, V Bobrovskyi, S Jeitler, M Snow, GR Draeger, J Selvaggi, G Enderle, H Gebbert, U Hoffmann, HF Görner, M Kaschube, K Roland, B Torassa, E Kim, TJ Li, W Kaussen, G Silvestris, L Kirschenmann, H Klanner, R Baur, U Lange, J Mura, B Naumann-Emme, S Nowak, F Honma, A Pietsch, N Yang, F Mulders, M Lee, KS Sander, C Schettler, H Rougny, R Schleper, P Vila, I Schlieckau, E Schroder, M Schum, T Schwandt, J Tosi, M Cabrillo, IJ Garcia, JMV Stadie, H Simon, M Innocente, V Steinbruck, G Thomsen, J Barth, C Bauer, J Godshalk, A Selvaggi, M Trentadue, R Berger, J Yumiceva, F Buege, V Chwalek, T Moon, DH De Boer, W Dierlamm, A Bitioukov, S Janot, P Dirkes, G De Lentdecker, G Feindt, M Iashvili, I Yun, JC Gruschke, J Hackstein, C Hartmann, F Park, SK Van Haevermaet, H Heinrich, M Held, H Tupputi, S Hoffmann, KH Honc, S Kaadze, K Yoo, HD Komaragiri, JR Jain, S Kuhr, T Martschei, D Sim, KS Mueller, S Abbaneo, D Muller, T Niegel, M Van Mechelen, P Oberst, O Acosta, D Oehler, A Ott, J Karavakis, E Kharchilava, A Peiffer, T Zito, G Choi, M Quast, G Rabbertz, K Ratnikov, F Ratnikova, N Avery, P Renz, M Saout, C Van Remortel, N Scheurer, A Abbiendi, G Schieferdecker, P Galanti, M Zaganidis, N Lecoq, P Schilling, FP Schott, G Bourilkov, D Simonis, HJ Stober, FM Troendle, D Benvenuti, AC Wagner-Kuhr, J Weiler, T Zeise, M Blekman, F Ruchti, R Kumar, A Zhukov, V Argiro, S Lourenco, C Ziebarth, EB Spiropulu, M Daskalakis, G Geralis, T Kesisoglou, S Kyriakis, A Loukas, D Manolakos, I Kang, S Markou, A Bonacorsi, D De Gruttola, M Braibant-Giacomelli, S Zheng, Y Brigliadori, L Capiluppi, P Nesvold, E Castro, A Cavallo, FR Kubik, A Dero, V Cuffiani, M Kim, H Yu, I Dallavalle, GM Cuevas, J Qian, SJ Fabbri, F Fanfani, A Fasanella, D Giacomelli, P Giunta, M Kachanov, V Panagiotou, A Nguyen, M Odell, N Grandi, C Bilinskas, MJ Antonelli, L Marcellini, S Masetti, G Gay, APR Meneghelli, M Montanari, A Stiliaris, E Navarria, FL Odorici, F Perrotta, A Primavera, F Ofierzynski, RA Lannon, K Grigelionis, I Orimoto, T Rossi, AM Rovelli, T Smith, K Siroli, G Travaglini, R Hammad, GH Albergo, S Cappello, G Chiorboli, M Kypreos, T Costa, S Konstantinov, D Valls, N Evangelou, I Pollack, B Tricomi, A Orsini, L Tuve, C Barbagli, G Ciulli, V Civinini, C Matchev, K D'Alessandro, R Hreus, T Foudas, C Focardi, E Janulis, M Frosali, S Pozdnyakov, A Gallo, E Gonzi, S Perez, E Lenzi, P Mitselmakher, G Meschini, M Kokkas, P Paoletti, S Sguazzoni, G Tropiano, A Martisiute, D Benussi, L Marage, PE Schmitt, M Bianco, S Colafranceschi, S Muniz, L Carvalho, W Fabbri, F Petrilli, A Piccolo, D Fabbricatore, P Musenich, R Petrov, P Benaglia, A De Guio, F Di Matteo, L Nicolaou, C D'Hondt, J Prescott, C Gennai, S Thomas, L Ghezzi, A Malvezzi, S Pfeiffer, A Martelli, A Bruno, G Massironi, A Menasce, D Manthos, N Moroni, L Remington, R Paganoni, M Stoynev, S Pedrini, D Ragazzi, S Redaelli, N Vander Velde, C Sala, S Sabonis, T Di Giovanni, GP Pierini, M de Fatis, TT Schmitt, M Buontempo, S Montoya, CAC Cavallo, N Velasco, M De Cosa, A Fabozzi, F 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Adams, MR Sanchez, MCD |
Keywords: | Hadron-Hadron Scattering;Collider detector;Events;FermiLab;Decay |
Issue Date: | 2011 |
Publisher: | Springer Verlag |
Citation: | Journal of High Energy Physics 7: 049, Jul 2011 |
Abstract: | The tt production cross section and top quark mass are measured in proton-proton
collisions at ps = 7 TeV in a data sample corresponding to an integrated luminosity
of 36 pb-1 collected by the CMS experiment. The measurements are performed in events with two leptons (electrons or muons) in the final state. Results of the cross section measurement in events with and without b-quark identification are obtained and combined. The measured value is st¯t = 168 +/- 18 (stat.) +/- 14 (syst.) +/- 7 (lumi.) pb, consistent with predictions from the standard model. The top quark mass mtop is
reconstructed with two different methods, a full kinematic analysis and a matrix
weighting technique. The combination yields a measurement of mtop = 175.5 +/- 4.6 (stat.) +/- 4.6 (syst.) GeV/c2. |
Description: | This is the Pre-Print version of the Article - Copyright @ 2011 Springer Verlag |
URI: | http://bura.brunel.ac.uk/handle/2438/6184 |
DOI: | http://dx.doi.org/10.1007/JHEP07(2011)049 |
ISSN: | 1126-6708 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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