Title: | Measurement of the cross section ratio σttbb/σttjj in pp collisions at √s=8 TeV |
Authors: | Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Erö, J Fabjan, C Friedl, M Frühwirth, R Ghete, VM Cerrada, M Malik, S Meier, F Snow, GR Dolen, J Godshalk, A Iashvili, I Kharchilava, A Kumar, A Rappoccio, S Liko, D Chamizo Llatas, M Ban, Y Alverson, G Barberis, E Baumgartel, D Chasco, M Haley, J Massironi, A Morse, DM Nash, D Orimoto, T Colino, N Trocino, D Guo, Y Wang, R-J Wood, D Zhang, J Hahn, KA Kubik, A Mucia, N Odell, N Pollack, B De La Cruz, B Pozdnyakov, A Schmitt, M Li, Q Stoynev, S Sung, K Velasco, M Won, S Brinkerhoff, A Chan, KM Drozdetskiy, A Delgado Peris, A Hildreth, M Jessop, C Karmgard, DJ Li, W Kellams, N Lannon, K Luo, W Lynch, S Marinelli, N Pearson, T Domínguez Vázquez, D Planer, M Ruchti, R Valls, N Wayne, M Liu, S Wolf, M Woodard, A Antonelli, L Brinson, J Bylsma, B Escalante Del Valle, A Durkin, LS Flowers, S Hill, C Hughes, R Kotov, K Mao, Y Ling, TY Puigh, D Rodenburg, M Smith, G Fernandez Bedoya, C Winer, BL Wolfe, H Wulsin, HW Driga, O Elmer, P Hebda, P Qian, SJ Hunt, A Koay, SA Lujan, P Fernández Ramos, JP Marlow, D Medvedeva, T Mooney, M Olsen, J Piroué, P Quan, X Saka, H Wang, D Stickland, D Tully, C Flix, J Werner, JS Zuranski, A Brownson, E Mendez, H Ramirez Vargas, JE Barnes, VE Benedetti, D Bolla, G Zhang, L Bortoletto, D Basegmez, S Favart, D De Mattia, M Hu, Z Jha, MK Jones, M Jung, K Kress, M Leonardo, N Lopes Pegna, D Maroussov, V Zou, W Fouz, MC Merkel, P Miller, DH Neumeister, N Radburn-Smith, BC Shi, X Shipsey, I Silvers, D Svyatkovskiy, A Wang, F Xie, W Garcia-Abia, P Mikulec, I Avila, C Xu, L Yoo, HD Zablocki, J Zheng, Y Parashar, N Stupak, J Adair, A Akgun, B Gonzalez Lopez, O Ecklund, KM Geurts, FJM Chaparro Sierra, LF Li, W Michlin, B Padley, BP Redjimi, R Roberts, J Zabel, J Betchart, B Goy Lopez, S Bodek, A Covarelli, R de Barbaro, P Florez, C Demina, R Eshaq, Y Ferbel, T Garcia-Bellido, A Goldenzweig, P Han, J Hernandez, JM Harel, A Khukhunaishvili, A Petrillo, G Vishnevskiy, D Gomez, JP Ciesielski, R Demortier, L Goulianos, K Lungu, G Mesropian, C Josa, MI Arora, S Barker, A Chou, JP Contreras-Campana, C Contreras-Campana, E Gomez Moreno, B Duggan, D Ferencek, D Gershtein, Y Gray, R Merino, G Halkiadakis, E Hidas, D Kaplan, S Lath, A Panwalkar, S Park, M Sanabria, JC Patel, R Salur, S Schnetzer, S Navarro De Martino, E Somalwar, S Stone, R Thomas, S Thomassen, P Walker, M Rose, K Spanier, S Godinovic, N York, A Bouhali, O Pérez-Calero Yzquierdo, A Castaneda Hernandez, A Eusebi, R Flanagan, W Gilmore, J Kamon, T Khotilovich, V Krutelyov, V Montalvo, R Lelas, D Osipenkov, I Palichik, V Puerta Pelayo, J Pakhotin, Y Perloff, A Roe, J Rose, A Safonov, A Sakuma, T Suarez, I Tatarinov, A Akchurin, N Polic, D Hartl, C Cowden, C Damgov, J Dragoiu, C Dudero, PR Faulkner, J Kovitanggoon, K Kunori, S Lee, SW Libeiro, T Volobouev, I Forthomme, L Puljak, I Appelt, E Delannoy, AG Greene, S Gurrola, A Johns, W Maguire, C Mao, Y Melo, A Sharma, M Quintario Olmeda, A Sheldon, P Rabady, D Antunovic, Z Snook, B Tuo, S Velkovska, J Arenton, MW Boutle, S Cox, B Francis, B Redondo, I Goodell, J Hirosky, R Ledovskoy, A Kovac, M Li, H Lin, C Neu, C Wood, J Clarke, C Harr, R Romero, L Karchin, PE Kottachchi Kankanamge Don, C Lamichhane, P Sturdy, J Brigljevic, V Belknap, DA Carlsmith, D Cepeda, M Dasu, S Dodd, L Soares, MS Duric, S Friis, E Hall-Wilton, R Herndon, M Hervé, A Kadija, K Klabbers, P Lanaro, A Lazaridis, C Levine, A Albajar, C Loveless, R Mohapatra, A Ojalvo, I Perry, T Pierro, GA Polese, G Luetic, J Ross, I Sarangi, T Savin, A de Trocóniz, JF Smith, WH Taylor, D Vuosalo, C Woods, N Mekterovic, D Sudic, L Attikis, A Mavromanolakis, G Mousa, J Rahbaran, B Missiroli, M Nicolaou, C Ptochos, F Razis, PA Bodlak, M Finger, M Finger, M Assran, Y Ellithi Kamel, A Mahmoud, MA Radi, A Perelygin, V Moran, D Rohringer, H Kadastik, M Murumaa, M Raidal, M Tiko, A Eerola, P Fedi, G Voutilainen, M Härkönen, J Karimäki, V Brun, H Kinnunen, R Schöfbeck, R Kortelainen, MJ Lampén, T Lassila-Perini, K Lehti, S Lindén, T Luukka, P Mäenpää, T Peltola, T Cuevas, J Tuominen, E Tuominiemi, J Strauss, J Tuovinen, E Wendland, L Talvitie, J Tuuva, T Besancon, M Couderc, F Dejardin, M Giammanco, A Denegri, D Fabbro, B Faure, JL Taurok, A Favaro, C Ferri, F Ganjour, S Givernaud, A Gras, P Jarry, P Fernandez Menendez, J Locci, E Malcles, J Rander, J Rosowsky, A Treberer-Treberspurg, W Titov, M Baffioni, S Beaudette, F Busson, P Charlot, C Folgueras, S Dahms, T Dalchenko, M Dobrzynski, L Filipovic, N Florent, A Waltenberger, W Granier de Cassagnac, R Mastrolorenzo, L Miné, P Mironov, C Gonzalez Caballero, I Naranjo, IN Nguyen, M Ochando, C Paganini, P Regnard, S Salerno, R Wulz, C-E Sauvan, JB Sirois, Y Veelken, C Lloret Iglesias, L Yilmaz, Y Zabi, A Agram, J-L Andrea, J Aubin, A Bloch, D Brom, J-M Mossolov, V Chabert, EC Collard, C Brochero Cifuentes, JA Conte, E Fontaine, J-C Gelé, D Goerlach, U Goetzmann, C Le Bihan, A-C Van Hove, P Gadrat, S Shumeiko, N Beauceron, S Cabrillo, IJ Beaupere, N Boudoul, G Bouvier, E Brochet, S Carrillo Montoya, CA Chasserat, J Chierici, R Contardo, D Depasse, P Suarez Gonzalez, J Shmatov, S Calderon, A El Mamouni, H Fan, J Fay, J Gascon, S Gouzevitch, M Ille, B Kurca, T Lethuillier, M Mirabito, L Perries, S Duarte Campderros, J Alderweireldt, S Ruiz Alvarez, JD Sabes, D Sgandurra, L Sordini, V Vander Donckt, M Verdier, P Viret, S Xiao, H Tsamalaidze, Z Fernandez, M Autermann, C Bansal, M Beranek, S Bontenackels, M Edelhoff, M Feld, L Hindrichs, O Klein, K Ostapchuk, A Perieanu, A Gomez, G Raupach, F Sammet, J Bansal, S Schael, S Weber, H Wittmer, B Zhukov, V Ata, M Brodski, M Dietz-Laursonn, E Hollar, J Duchardt, D Erdmann, M Fischer, R Cornelis, T Güth, A Hebbeker, T Heidemann, C Hoepfner, K Klingebiel, D Knutzen, S Graziano, A Kreuzer, P Merschmeyer, M Meyer, A Millet, P De Wolf, EA Olschewski, M Padeken, K Papacz, P Reithler, H Schmitz, SA Lopez Virto, A Sonnenschein, L Teyssier, D Thüer, S Weber, M Cherepanov, V Janssen, X Erdogan, Y Flügge, G Geenen, H Geisler, M Marco, J Haj Ahmad, W Heister, A Hoehle, F Kargoll, B Kress, T Kuessel, Y Knutsson, A Lingemann, J Nowack, A Nugent, IM Marco, R Perchalla, L Pooth, O Stahl, A Asin, I Bartosik, N Behr, J Behrenhoff, W Luyckx, S Behrens, U Bell, AJ Martinez Rivero, C Bergholz, M Bethani, A Borras, K Burgmeier, A Cakir, A Calligaris, L Campbell, A Choudhury, S Ochesanu, S Costanza, F Skatchkov, N Matorras, F Diez Pardos, C Dooling, S Dorland, T Eckerlin, G Eckstein, D Eichhorn, T Flucke, G Garay Garcia, J Geiser, A Roland, B Munoz Sanchez, FJ Gunnellini, P Hauk, J Hempel, M Horton, D Jung, H Kalogeropoulos, A Kasemann, M Katsas, P Kieseler, J Kleinwort, C Piedra Gomez, J Rougny, R Krücker, D Lange, W Leonard, J Lipka, K Lobanov, A Lohmann, W Lutz, B Mankel, R Marfin, I Rodrigo, T Melzer-Pellmann, I-A Van De Klundert, M Meyer, AB Mittag, G Mnich, J Mussgiller, A Naumann-Emme, S Nayak, A Novgorodova, O Nowak, F Rodríguez-Marrero, AY Ntomari, E Perrey, H Van Haevermaet, H Pitzl, D Placakyte, R Raspereza, A Ribeiro Cipriano, PM Ron, E Sahin, MO Salfeld-Nebgen, J Jez, P Saxena, P Schmidt, R Schoerner-Sadenius, T Van Mechelen, P Schröder, M Seitz, C Spannagel, S Vargas Trevino, ADR Walsh, R Wissing, C Ruiz-Jimeno, A Aldaya Martin, M Blobel, V Centis Vignali, M Draeger, AR Van Remortel, N Erfle, J Garutti, E Goebel, K Görner, M Haller, J Scodellaro, L Hoffmann, M Höing, RS Kirschenmann, H Klanner, R Kogler, R Van Spilbeeck, A Lange, J Lapsien, T Lenz, T Marchesini, I Vila, I Ott, J Peiffer, T Pietsch, N Poehlsen, J Poehlsen, T Rathjens, D Blekman, F Sander, C Schettler, H Schleper, P Vilar Cortabitarte, R Schlieckau, E Schmidt, A Seidel, M Sola, V Stadie, H Steinbrück, G Troendle, D Blyweert, S Usai, E Vanelderen, L Smirnov, V Abbaneo, D Barth, C Baus, C Berger, J Böser, C Butz, E Chwalek, T De Boer, W Descroix, A D'Hondt, J Dierlamm, A Auffray, E Feindt, M Frensch, F Giffels, M Hartmann, F Hauth, T Husemann, U Katkov, I Kornmayer, A Kuznetsova, E Daci, N Auzinger, G Lobelle Pardo, P Mozer, MU Müller, T Nürnberg, A Quast, G Rabbertz, K Ratnikov, F Röcker, S Simonis, HJ Stober, FM Bachtis, M Heracleous, N Ulrich, R Wagner-Kuhr, J Wayand, S Weiler, T Wolf, R Anagnostou, G Daskalakis, G Geralis, T Giakoumopoulou, VA Baillon, P Kyriakis, A Keaveney, J Loukas, D Markou, A Markou, C Psallidas, A Topsis-Giotis, I Agapitos, A Kesisoglou, S Panagiotou, A Ball, AH Saoulidou, N Stiliaris, E Lowette, S Aslanoglou, X Evangelou, I Flouris, G Foudas, C Kokkas, P Manthos, N Papadopoulos, I Komm, M Paradas, E Bencze, G Hajdu, C Maes, M Hidas, P Horvath, D Sikler, F Veszpremi, V Vesztergombi, G Zsigmond, AJ Barney, D Beni, N Czellar, S Karancsi, J Molnar, J Olbrechts, A Palinkas, J Szillasi, Z Raics, P Trocsanyi, ZL Ujvari, B Benaglia, A Swain, SK Beri, SB Bhatnagar, V Gupta, R Bhawandeep, U Python, Q Kalsi, AK Kaur, M Mittal, M Nishu, N Bendavid, J Singh, JB Kumar, A Kumar, A Ahuja, S Bhardwaj, A Choudhary, BC Strom, D Kumar, A Malhotra, S Naimuddin, M Zarubin, A Benhabib, L Ranjan, K Sharma, V Banerjee, S Bhattacharya, S Chatterjee, K Dutta, S Gomber, B Tavernier, S Jain, S Jain, S Benitez, JF Khurana, R Modak, A Mukherjee, S Roy, D Sarkar, S Sharan, M Abdulsalam, A Dutta, D Van Doninck, W Kailas, S Bernet, C Kumar, V Mohanty, AK Pant, LM Shukla, P Topkar, A Aziz, T Banerjee, S Bhowmik, S Chatterjee, RM Van Mulders, P Bianchi, G Dewanjee, RK Dugad, S Ganguly, S Ghosh, S Guchait, M Gurtu, A Kole, G Kumar, S Maity, M Majumder, G Bloch, P Van Onsem, GP Mazumdar, K Mohanty, GB Parida, B Sudhakar, K Wickramage, N Bakhshiansohi, H Behnamian, H Etesami, SM Fahim, A Bocci, A Goldouzian, R Villella, I Jafari, A Khakzad, M Mohammadi Najafabadi, M Naseri, M Paktinat Mehdiabadi, S Rezaei Hosseinabadi, F Safarzadeh, B Zeinali, M Bonato, A Felcini, M Grunewald, M Caillol, C Abbrescia, M Barbone, L Calabria, C Chhibra, SS Colaleo, A Creanza, D De Filippis, N Lemaitre, V De Palma, M Fiore, L Iaselli, G Clerbaux, B Maggi, G Maggi, M My, S Nuzzo, S Pompili, A Pugliese, G Bondu, O Radogna, R Selvaggi, G Silvestris, L Singh, G De Lentdecker, G Venditti, R Verwilligen, P Zito, G Abbiendi, G Benvenuti, AC Botta, C Bonacorsi, D Braibant-Giacomelli, S Brigliadori, L Campanini, R Capiluppi, P Dobur, D Castro, A Cavallo, FR Codispoti, G Cuffiani, M Golovtsov, V Breuker, H Dallavalle, GM Fabbri, F Fanfani, A Fasanella, D Giacomelli, P Grandi, C Favart, L Guiducci, L Marcellini, S Masetti, G Camporesi, T Montanari, A Navarria, FL Perrotta, A Primavera, F Rossi, AM Rovelli, T Siroli, GP Gay, APR Tosi, N Travaglini, R Cerminara, G Albergo, S Cappello, G Chiorboli, M Costa, S Giordano, F Potenza, R Tricomi, A Tuve, C Grebenyuk, A Barbagli, G Colafranceschi, S Ciulli, V Civinini, C D'Alessandro, R Focardi, E Gallo, E Gonzi, S Gori, V Lenzi, P Meschini, M Léonard, A D'Alfonso, M Paoletti, S Sguazzoni, G Tropiano, A Benussi, L Bianco, S Fabbri, F Piccolo, D Ferro, F Lo Vetere, M Robutti, E d'Enterria, D Mohammadi, A Tosi, S Dinardo, ME Fiorendi, S Gennai, S Gerosa, R Ghezzi, A Govoni, P Lucchini, MT Malvezzi, S Dabrowski, A Manzoni, RA Perniè, L Martelli, A Marzocchi, B Menasce, D Moroni, L Paganoni, M Pedrini, D Ragazzi, S Redaelli, N David, A Tabarelli de Fatis, T Buontempo, S Reis, T Cavallo, N Di Guida, S Fabozzi, F Iorio, AOM Lista, L Meola, S Merola, M Nuttens, C Paolucci, P Azzi, P Bacchetta, N Seva, T Bisello, D Branca, A Carlin, R Checchia, P Dall'Osso, M Dorigo, T De Guio, F Fanzago, F Galanti, M Gasparini, F Gasparini, U Thomas, L Gonella, F Gozzelino, A Kanishchev, K Lacaprara, S Margoni, M Ivanov, Y De Roeck, A Meneguzzo, AT Pazzini, J Pozzobon, N Ronchese, P Simonetto, F Vander Velde, C Torassa, E Tosi, M Zotto, P Zucchetta, A De Visscher, S Zumerle, G Gabusi, M Ratti, SP Riccardi, C Salvini, P Vitulo, P Vanlaer, P Biasini, M Bilei, GM Ciangottini, D Dobson, M Fanò, L Lariccia, P Mantovani, G Menichelli, M Romeo, F Saha, A Santocchia, A Wang, J Spiezia, A Androsov, K Dordevic, M Azzurri, P Bagliesi, G Bernardini, J Boccali, T Broccolo, G Castaldi, R Ciocci, MA Dell'Orso, R Adler, V Donato, S Dorney, B Fiori, F Foà, L Giassi, A Grippo, MT Ligabue, F Lomtadze, T Martini, L Messineo, A Moon, CS Beernaert, K Dupont-Sagorin, N Palla, F Rizzi, A Savoy-Navarro, A Serban, AT Spagnolo, P Squillacioti, P Tenchini, R Tonelli, G Venturi, A Verdini, PG Elliott-Peisert, A Benucci, L Vernieri, C Barone, L Cavallari, F D'imperio, G Del Re, D Diemoz, M Grassi, M Jorda, C Longo, E Eugster, J Margaroli, F Cimmino, A Meridiani, P Micheli, F Nourbakhsh, S Organtini, G Paramatti, R Rahatlou, S Rovelli, C Santanastasio, F Franzoni, G Soffi, L Traczyk, P Costantini, S Amapane, N Arcidiacono, R Argiro, S Arneodo, M Bellan, R Biino, C Cartiglia, N Pagano, D Casasso, S Costa, M Degano, A Crucy, S Demaria, N Finco, L Mariotti, C Maselli, S Migliore, E Monaco, V Kim, V Funk, W Musich, M Obertino, MM Ortona, G Pacher, L Dildick, S Pastrone, N Pelliccioni, M Pinna Angioni, GL Potenza, A Romero, A Gigi, D Ruspa, M Sacchi, R Solano, A Staiano, A Trapani, PP Fagot, A Belforte, S Candelise, V Casarsa, M Cossutti, F Gill, K Della Ricca, G Gobbo, B La Licata, C Marone, M Montanino, D Schizzi, A Garcia, G Umer, T Zanetti, A Chang, S Giordano, D Kropivnitskaya, A Nam, SK Kim, DH Kim, GN Kim, MS Kong, DJ Lee, S Mccartin, J Oh, YD Park, H Girone, M Sakharov, A Son, DC Kim, TJ Kim, JY Song, S Choi, S Gyun, D Hong, B Ocampo Rios, AA Jo, M Glege, F Kim, H Kim, Y Lee, B Lee, KS Park, SK Roh, Y Choi, M Kim, JH Park, IC Ryckbosch, D Guida, R Park, S Ryu, G Ryu, MS Choi, Y Choi, YK Goh, J Kim, D Kwon, E Lee, J Seo, H Gundacker, S Salva Diblen, S Yu, I Juodagalvis, A Komaragiri, JR Md Ali, MAB Castilla-Valdez, H De La Cruz-Burelo, E Heredia-de La Cruz, I Lopez-Fernandez, R Sanchez-Hernandez, A Guthoff, M Carrillo Moreno, S Sigamani, M Vazquez Valencia, F Pedraza, I Salazar Ibarguen, HA Casimiro Linares, E Morelos Pineda, A Krofcheck, D Butler, PH Reucroft, S Hammer, J Ahmad, A Ahmad, M Strobbe, N Hassan, Q Hoorani, HR Khalid, S Khan, WA Khurshid, T Shah, MA Shoaib, M Levchenko, P Perrini, L Bialkowska, H Bluj, M Boimska, B Thyssen, F Frueboes, T Górski, M Kazana, M Nawrocki, K Romanowska-Rybinska, K Szleper, M Hansen, M Zalewski, P Brona, G Bunkowski, K Cwiok, M Tytgat, M Dominik, W Doroba, K Kalinowski, A Konecki, M Krolikowski, J Harris, P Misiura, M Olszewski, M Wolszczak, W Bargassa, P Beirão Da Cruz E Silva, C Yazgan, E Faccioli, P Ferreira Parracho, PG Gallinaro, M Nguyen, F Hegeman, J Rodrigues Antunes, J Seixas, J Varela, J Vischia, P Afanasiev, S Bunin, P Zaganidis, N Gavrilenko, M Golutvin, I Gorbunov, I Innocente, V Kamenev, A Karjavin, V Konoplyanikov, V Lanev, A Malakhov, A Matveev, V Moisenz, P Janot, P Kousouris, K Krajczar, K Lecoq, P Lourenço, C Beluffi, C Magini, N Pin, A Malgeri, L Mannelli, M Marrouche, J Masetti, L Meijers, F Mersi, S Meschi, E Moortgat, F Murzin, V Morovic, S Mulders, M Hörmann, N Piotrzkowski, K Musella, P Orsini, L Pape, L Perez, E Perrozzi, L Petrilli, A Oreshkin, V Petrucciani, G Pfeiffer, A Pierini, M Pimiä, M Popov, A Piparo, D Plagge, M Racz, A Rolandi, G Rovere, M Smirnov, I Sakulin, H Schäfer, C Schwick, C Sharma, A Siegrist, P Quertenmont, L Silva, P Simon, M Sphicas, P Spiga, D Sulimov, V Steggemann, J Stieger, B Stoye, M Takahashi, Y Treille, D Tsirou, A Selvaggi, M Veres, GI Vlimant, JR Wardle, N Uvarov, L Wöhri, HK Wollny, H Zeuner, WD Bertl, W Deiters, K Erdmann, W Horisberger, R Vidal Marono, M Ingram, Q Kaestli, HC Vavilov, S Kotlinski, D Langenegger, U Renker, D Rohe, T Bachmair, F Bäni, L Bianchini, L Bortignon, P Vizan Garcia, JM Buchmann, MA Vorobyev, A Casal, B Chanon, N Deisher, A Dissertori, G Dittmar, M Donegà, M Dünser, M Eller, P Grab, C Beliy, N Vorobyev, A Hits, D Lustermann, W Mangano, B Marini, AC Martinez Ruiz del Arbol, P Meister, D Mohr, N Nägeli, C Nessi-Tedaldi, F Pandolfi, F Andreev, Y Caebergs, T Pauss, F Peruzzi, M Quittnat, M Rebane, L Rossini, M Starodumov, A Takahashi, M Theofilatos, K Wallny, R Dermenev, A Weber, HA Daubie, E Amsler, C Canelli, MF Chiochia, V De Cosa, A Hinzmann, A Hreus, T Kilminster, B Lange, C Bruno, G Millan Mejias, B Ngadiuba, J Hammad, GH Robmann, P Ronga, FJ Taroni, S Verzetti, M Yang, Y Cardaci, M Chen, KH Gninenko, S Ferro, C Kuo, CM Lin, W Hrubec, J Aldá Júnior, WL Lu, YJ Volpe, R Yu, SS Chang, P Chang, YH Golubev, N Chang, YW Chao, Y Chen, KF Chen, PH Dietz, C Alves, GA Grundler, U Hou, W-S Kao, KY Lei, YJ Kirsanov, M Liu, YF Lu, R-S Majumder, D Petrakou, E Tzeng, YM Wilken, R Brito, L Asavapibhop, B Srimanobhas, N Suwonjandee, N Krasnikov, N Adiguzel, A Bakirci, MN Cerci, S Dozen, C Dumanoglu, I Eskut, E Girgis, S Correa Martins Junior, M Gokbulut, G Gurpinar, E Pashenkov, A Hos, I Kangal, EE Kayis Topaksu, A Onengut, G Ozdemir, K Ozturk, S Polatoz, A Sogut, K Dos Reis Martins, T Sunar Cerci, D Tlisov, D Tali, B Topakli, H Vergili, M Akin, IV Bilin, B Bilmis, S Gamsizkan, H Karapinar, G Ocalan, K Mora 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Battilana, C Wyslouch, B Yang, M Zanetti, M Zhukova, V Dahmes, B Gude, A Wang, X Kao, SC Klapoetke, K Kubota, Y Calvo, E Mans, J Pastika, N Rusack, R Singovsky, A Tambe, N Turkewitz, J Acosta, JG Wang, Z Oliveros, S Avdeeva, E du Pree, T Bloom, K Bose, S Claes, DR Dominguez, A Gonzalez Suarez, R Keller, J Knowlton, D Kravchenko, I Asawatangtrakuldee, C Lazo-Flores, J |
Keywords: | CMS;Physics;Top physics |
Issue Date: | 2015 |
Publisher: | Elsevier |
Citation: | Physics Letters B, 746: 132 - 153, (30 June 2015) |
Abstract: | The first measurement of the cross section ratio σttbb/σttjj is presented using a data sample corresponding to an integrated luminosity of 19.6 fb<sup>-1</sup> collected in pp collisions at √s = 8 TeV with the CMS detector at the LHC. Events with two leptons (e or μ) and four reconstructed jets, including two identified as b quark jets, in the final state are selected. The ratio is determined for a minimum jet transverse momentum p<inf>T</inf> of both 20 and 40 GeV/c. The measured ratio is 0.022±0.003(stat)±0.005(syst) for p<inf>T</inf>>20GeV/c. The absolute cross sections σttbb and σttjj are also measured. The measured ratio for p<inf>T</inf>>40GeV/c is compatible with a theoretical quantum chromodynamics calculation at next-to-leading order. |
URI: | http://www.sciencedirect.com/science/article/pii/S0370269315003263 http://bura.brunel.ac.uk/handle/2438/10969 |
DOI: | http://dx.doi.org/10.1016/j.physletb.2015.04.060 |
ISSN: | 0370-2693 |
Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers
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