Title: | Search for pair production of first-generation scalar leptoquarks in pp collisions at root s=7 TeV |
Authors: | Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Ero, J Fabjan, C Friedl, M Fruhwirth, R Ghete, VM Demaria, N Jensen, H Johnson, M Sanchez, JG Joshi, U Khatiwada, R Kilminster, B Zhang, Z Klima, B Kousouris, K Dudero, PR Graziano, A Zablocki, J Kunori, S Kwan, S Leonidopoulos, C Limon, P Jorda, C Lipton, R Lykken, J Maeshima, K Marraffino, JM Mariotti, C Ban, Y Zheng, Y Mason, D McBride, P McCauley, T Miao, T Mishra, K Pardo, PL Mrenna, S Musienko, Y Marone, M Newman-Holmes, C O'Dell, V Jindal, P Popescu, S Guo, S Pordes, R Prokofyev, O Saoulidou, N Sexton-Kennedy, E Piotrzkowski, K Maselli, S Sharma, S Soha, A Spalding, WJ Parashar, N Spiegel, L Tan, P Taylor, L Guo, Y Tkaczyk, S Uplegger, L Migliore, E Vaandering, EW Virto, AL Vidal, R Whitmore, J Kadastik, M Wu, W Yang, F Yumiceva, F Yun, JC Acosta, D Mila, G Jeitler, M Li, W Avery, P Marco, J Bourilkov, D Boulahouache, C Chen, M Di Giovanni, GP Dobur, D Drozdetskiy, A Tropea, P Field, RD Fisher, M Fu, Y Furic, IK Mao, Y Marco, R Cuplov, V Gartner, J Goldberg, S Kim, B Mccartin, J Klimenko, S Konigsberg, J Korytov, A Kropivnitskaya, A Kypreos, T Matchev, K Mitselmakher, G Ecklund, KM Rivero, C Qian, SJ Monaco, V Muniz, L Pakhotin, Y Prescott, C Remington, R Schmitt, M Scurlock, B Sellers, P Skhirtladze, N Geurts, FJM Wang, D Lannon, K Valls, N Matorras, F Yelton, J Teng, H Zakaria, M Ceron, C Gaultney, V Kramer, L Lebolo, LM Linn, S De Roeck, A Musich, M Markowitz, P Martinez, G Sanchez, FJM Rodriguez, JL Adams, T Zhang, L Askew, A Bandurin, D Bochenek, J Chen, J Obertino, MM Franzoni, G Liu, JH Diamond, B Gleyzer, SV Haas, J Gomez, JP Hagopian, S Hagopian, V Jenkins, M Zhu, B Pastrone, N Johnson, KF Prosper, H Padley, BP Quertenmont, L Sekmen, S Veeraraghavan, V Baarmand, MM Rodrigo, T Dorney, B Guragain, S Pelliccioni, M Hohlmann, M Kalakhety, H Zou, W Redjimi, R Ralich, R Vodopiyanov, I Adams, MR Anghel, IM Apanasevich, L Jimeno, AR Romero, A Bai, Y Bazterra, VE Betts, RR Callner, J Roberts, J Cavanaugh, R Cabrera, A Dragoiu, C Garcia-Solis, EJ Gauthier, L Ruspa, M Gerber, CE Scodellaro, L Hofman, DJ Khalatyan, S Lacroix, F Zabel, J Malek, M O'Brien, C Silvestre, C Moreno, BG Sacchi, R Smoron, A Strom, D Varelas, N Schul, N Akgun, U Albayrak, EA Betchart, B Bilki, B Cankocak, K Clarida, W Sola, V Duru, F Lae, CK Rios, AAO McCliment, E Merlo, JP Sanudo, MS Mermerkaya, H Kannike, K Mestvirishvili, A Moeller, A Tsirou, A Nachtman, J Newsom, CR Norbeck, E Olson, J Onel, Y Kasieczka, G Oliveros, AFO Vila, I Bodek, A Ozok, F Torre, P Solano, A Sen, S Wetzel, J Yetkin, T Yi, K Barnett, BA Blumenfeld, B Bonato, A Eskew, C Fehling, D Chung, YS Benedetti, D Cortabitarte, RV Sanabria, JC Giurgiu, G Gritsan, AV Guo, ZJ Hu, G Maksimovic, P Rappoccio, S Swartz, M Tran, NV Camporesi, T Covarelli, R Whitbeck, A Abbaneo, D Baringer, P Godinovic, N Bean, A Benelli, G Grachov, O Murray, M Noonan, D Ryckbosch, D Radicci, V Kiesenhofer, W Di Guida, S Sanders, S Wood, JS Auffray, E Zhukova, V Bolton, T Lelas, D Chakaberia, I Staiano, A Ivanov, A Makouski, M Maravin, Y de Barbaro, P Shrestha, S Svintradze, I Wan, Z Auzinger, G Gronberg, J Lange, D Trocino, D Wright, D Lelas, K Baden, A Boutemeur, M Demina, R Eno, SC Ferencek, D Gomez, JA Hadley, NJ Baillon, P Pereira, AV Kellogg, RG Kirn, M Lu, Y Mignerey, AC Plestina, R Eshaq, Y Rossato, K Rumerio, P Santanastasio, F Skuja, A Belforte, S Temple, J Ball, AH Tonjes, MB Tonwar, SC Twedt, E Alver, B Flacher, H Bauer, G Polic, D Bendavid, J Cossutti, F Busza, W Butz, E Cali, IA Barney, D Chan, M Dutta, V Everaerts, P Garcia-Bellido, A Ceballos, GG Goncharov, M Della Ricca, G Hahn, KA Puljak, I Harris, P Kim, Y Klute, M Bell, AJ Lee, YJ Li, W Goldenzweig, P Loizides, C Vitulo, P Gobbo, B Luckey, PD Ma, T Nahn, S Paus, C Antunovic, Z Ralph, D Roland, C Beliy, N Roland, G Gotra, Y Montanino, D Rudolph, M Stephans, GSF Sumorok, K Sung, K Wenger, EA Xie, S Yang, M Dzelalija, M Yilmaz, Y Ntel, MM Martins, CD Han, J Bernet, C Harel, A Ramos, FD Miner, DC Orbaker, D Petrillo, G Vishnevskiy, D Zielinski, M Bhatti, A Warchol, J Ciesielski, R Demortier, L Brigljevic, V Raidal, M Goulianos, K Ryutin, R Elliott-Peisert, A Lungu, G Mesropian, C Yan, M Penzo, A Atramentov, O Barker, A Duggan, D Haupt, J Gershtein, Y Gray, R Halkiadakis, E Rebane, L Hammer, J Hidas, D Heo, SG Hits, D Lath, A Panwalkar, S Patel, R Klapoetke, K Richards, A Rose, K Schnetzer, S Somalwar, S Stone, R Thyssen, F Daubie, E Azzolini, V Thomas, S Cerizza, G Hollingsworth, M Kubota, Y Spanier, S Yang, ZC York, A Asaadi, J Chang, S Eusebi, R Gilmore, J Frisch, B Gurrola, A Liko, D Eerola, P Mans, J Kamon, T Khotilovich, V Montalvo, R Chung, J Nguyen, CN Osipenkov, I Pivarski, J Safonov, A Funk, W Sengupta, S Tatarinov, A Rekovic, V Toback, D Czellar, S Kim, DH Weinberger, M Akchurin, N Bardak, C Damgov, J Jeong, C Kovitanggoon, K Gaddi, A Lee, SW Rusack, R Mane, P Vanlaer, P Kim, GN Roh, Y Sill, A Harkonen, J Volobouev, I Wigmans, R Yazgan, E Appelt, E Brownson, E Gennai, S Sasseville, M Kim, JE Engh, D Florez, C Gabella, W Johns, W Kurt, P Heikkinen, A Maguire, C Melo, A Sheldon, P Tuo, S Kong, DJ Singovsky, A Georgiou, G Velkovska, J Arenton, MW Balazs, M Boutle, S Buehler, M Conetti, S Karimaki, V Cox, B Park, H Francis, B Cremaldi, LM Hirosky, R Gerwig, H Ledovskoy, A Lin, C Neu, C Yohay, R Gollapinni, S Harr, R Wayne, M Karchin, PE Kinnunen, R Bialas, W Lamichhane, P Mattson, M Gigi, D Ne, CM Sakharov, A Anderson, M Bachtis, M Adzic, P Bellinger, JN Carlsmith, D Dasu, S Godang, R Efron, J Klem, J Gray, L Slabospitsky, S Gill, K Grogg, KS Tsyganov, A Grothe, M Hall-Wilton, R Herndon, M Klabbers, P Duric, S Klukas, J Lanaro, A Lazaridis, C Leonard, J Kortelainen, MJ Son, D Giordano, D Loveless, R Mohapatra, A Reeder, D Ross, I Kroeger, R Savin, A Smith, WH Swanson, J Weinberg, M Son, DC CMS Collaboration Lampen, T Glege, F Lassila-Perini, K Mikulec, I Lehti, S Perera, L Linden, T Luukka, P Maenpaa, T Kim, Z Tuominen, E Tuominiemi, J Tuovinen, E Ungaro, D Alves, GA Wendland, L Banzuzi, K Rahmat, R Pernicka, M Korpela, A Viviani, C Tytgat, M Tuuva, T Sillou, D Besancon, M Choudhury, S Dejardin, M Denegri, D Garrido, RGR Fabbro, B Sanders, DA Faure, JL Kim, JY Ferri, F Rohringer, H Ganjour, S Gentit, FX Givernaud, A Gras, P de Monchenault, GH Jarry, P Gouzevitch, M Summers, D Song, S Locci, E Malcles, J Marionneau, M Millischer, L Schofbeck, R Rander, J Rosowsky, A Shreyber, I Titov, M Verrecchia, P Choi, S Bloom, K Govoni, P Baffioni, S Beaudette, F Bianchini, L Bluj, M Broutin, C Strauss, J Busson, P Charlot, C Hong, B Dahms, T Bose, S Dobrzynski, L Gowdy, S de Cassagnac, RG Haguenauer, M Mine, P Mironov, C Ochando, C Paganini, P Ziegler, J Taurok, A Sabes, D Butt, J Salerno, R Sirois, Y Guiducci, L Thiebaux, C Wyslouch, B Zabi, A Agram, JL Jo, M Andrea, J Besson, A Bloch, D Bloch, P Teischinger, F Bodin, D Brom, JM Hansen, M Cardaci, M Chabert, EC Kim, H Collard, C Conte, E Drouhin, F Ferro, C Claes, DR Fontaine, JC Gele, D Wagner, P Goerlach, U Sobol, A Veres, GI Harvey, J Greder, S Juillot, P Karim, M Le Bihan, AC Dominguez, A Mikami, Y Van Hove, P Fassi, F Mercier, D Kim, JH Baty, C Waltenberger, W Hegeman, J Beaupere, N Bedjidian, M Bondu, O Kadija, K Boudoul, G Boumediene, D Brun, H Biasini, M Kim, TJ Chanon, N Chierici, R Contardo, D Depasse, P Hegner, B Walzel, G El Mamouni, H Eads, M Falkiewicz, A Fay, J Lee, KS Gascon, S Ille, B Kurca, T Le Grand, T Lethuillier, M Mirabito, L Henderson, C Perries, S Keller, J Widl, E Moon, DH Sordini, V Tosi, S Tschudi, Y Verdier, P Xiao, H Megrelidze, L Roinishvili, V Lomidze, D Damiao, DD Kelly, T Vanelderen, L Anagnostou, G Edelhoff, M Wulz, CE Feld, L Heracleous, N Hindrichs, O Jussen, R Klein, K Merz, J Mohr, N Park, SK Kravchenko, I Hesketh, G Ostapchuk, A Perieanu, A Raupach, F Mossolov, V Sammet, J Schael, S Sprenger, D Weber, H Rhee, HB Weber, M Lazo-Flores, J Wittmer, B Hoffmann, HF Ata, M Bender, W Erdmann, M Frangenheim, J Shumeiko, N Hebbeker, T Bylsma, B Hinzmann, A Hoepfner, K Lundstedt, C Hof, C Klimkovich, T Honma, A Klingebiel, D Kreuzer, P Lanske, D Magass, C Seo, E Masetti, G Gonzalez, JS Merschmeyer, M Malbouisson, H Meyer, A Papacz, P Pieta, H Innocente, V Reithler, H Schmitz, SA Shin, S Sonnenschein, L Steggemann, J Teyssier, D Bontenackels, M Bocci, A Benucci, L Davids, M Duda, M Flugge, G Janot, P Sim, KS Geenen, H Giffels, M Ahmad, WH Heydhausen, D Kress, T Malik, S Kuessel, Y Linn, A Cerny, K Nowack, A Bilei, GM Vichoudis, P Perchalla, L Tourtchanovitch, L Kaadze, K Pooth, O Rennefeld, J Sauerland, P Snow, GR Stahl, A Thomas, M Tornier, D Choi, M Zoeller, MH Martin, MA De Wolf, EA Behrenhoff, W Karavakis, E Behrens, U Bergholz, M Baur, U Borras, K Cakir, A Kang, S Campbell, A Castro, E Dammann, D Eckerlin, G Eckstein, D Janssen, X Lecoq, P Flossdorf, A Morovic, S Flucke, G Kim, H Geiser, A Glushkov, I Hauk, J Jung, H Kasemann, M Katkov, I Katsas, P Kleinwort, C Lourenco, C 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Karmgard, DJ Azzi, P Bacchetta, N Bellan, P Bisello, D Butler, PH Branca, A Schwick, C Marage, PE Carlin, R Checchia, P Conte, E Kolb, J De Mattia, M Dorigo, T Dosselli, U Doesburg, R Fanzago, F Gasparini, F Gasparini, U Segoni, I Giubilato, P Thomas, L Gresele, A Kolberg, T Lacaprara, S Lazzizzera, I Basegmez, S Margoni, M Mazzucato, M Meneguzzo, AT Perrozzi, L Pozzobon, N Da Costa, EM Ronchese, P Simonetto, F Bunkowski, K Velde, CV Silverwood, H Torassa, E Tosi, M Vanini, S Zotto, P Zumerle, G Baesso, P Berzano, U Sharma, A Riccardi, C Deiters, K Ahmad, M Luo, W Ahmed, I Ptochos, F Asghar, MI Hoorani, HR Khan, WA Khurshid, T Qazi, S Cwiok, M Dominik, W Bruno, G Siegrist, P Erdmann, W Doroba, K Yoon, AS Kotov, K Kalinowski, A Konecki, M Krolikowski, J Frueboes, T Gokieli, R Gorski, M Lucaroni, A Kazana, M Nawrocki, K Romanowska-Rybinska, K Gabathuler, K Lemaitre, V Caudron, J Szleper, M Wrochna, G Zalewski, P Almeida, N Mantovani, G David, A Faccioli, P Parracho, PGF Gallinaro, M 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Issue Date: | 2011 |
Publisher: | American Physical Society |
Citation: | Physical Review Letters 106(20): 201802, May 2011 |
Abstract: | A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at √s=7 TeV. The data sample used corresponds to an integrated luminosity of 33 pb-1 collected with the CMS detector at the CERN LHC. The number of observed events is in good agreement with the predictions for the standard model background processes, and an upper limit is set on the leptoquark pair production cross section times β2 as a function of the leptoquark mass, where β is the branching fraction of the leptoquark decay to an electron and a quark. A 95% confidence level lower limit is set on the mass of a first-generation scalar leptoquark at 384 GeV for β=1, which is the most stringent direct limit to date. |
Description: | This is the pre-pint version of the Published Article which can be accessed from the link below. |
URI: | http://prl.aps.org/abstract/PRL/v106/i20/e201802 http://bura.brunel.ac.uk/handle/2438/6082 |
DOI: | http://dx.doi.org/10.1103/PhysRevLett.106.201802 |
metadata.dc.relation.replaces: | 2438/7335 http://bura.brunel.ac.uk/handle/2438/7335 |
ISSN: | 0031-9007 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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