Title: | Search for pair production of first- and second-generation scalar leptoquarks in pp collisions at √s=7 TeV |
Authors: | Chatrchyan, S Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Aguilo, E Bergauer, T Dragicevic, M Eroe, J Fabjan, C Friedl, M Delaere, C Semenov, S Stolin, V Vlasov, E Zhokin, A Belyaev, A Boos, E Dubinin, M Dudko, L Ershov, A Gribushin, A du Pree, T Klyukhin, V Kodolova, O Lokhtin, I Markina, A Obraztsov, S Perfilov, M Petrushanko, S Popov, A Sarycheva, L Savrin, V Favart, D Snigirev, A Andreev, V Azarkin, M Dremin, I Kirakosyan, M Leonidov, A Mesyats, G Rusakov, SV Vinogradov, A Azhgirey, I Forthomme, L Bayshev, I Bitioukov, S Grishin, V Kachanov, V Konstantinov, D Krychkine, V Petrov, V Ryutin, R Sobol, A Tourtchanovitch, L Giammanco, A Troshin, S Tyurin, N Uzunian, A Volkov, A Adzic, P Djordjevic, M Ekmedzic, M Krpic, D Milosevic, J Aguilar-Benitez, M Hollar, J Alcaraz Maestre, J Arce, P Battilana, C Calvo, E Cerrada, M Chamizo Llatas, M Colino, N De La Cruz, B Delgado Peris, A Dominguez Vazquez, D Lemaitre, V Fernandez Bedoya, C Fernandez Ramos, JP Ferrando, A Flix, J Fouz, MC Garcia-Abia, P Gonzalez Lopez, O Goy Lopez, S Hernandez, JM Josa, MI Liao, J Merino, G Puerta Pelayo, J Quintario Olmeda, A Redondo, I Romero, L Santaolalla, J Soares, MS Willmott, C Albajar, C Codispoti, G Militaru, O de Troconiz, JF Brun, H Cuevas, J Fernandez Menendez, J Folgueras, S Gonzalez Caballero, I Lloret Iglesias, L Piedra Gomez, J Brochero Cifuentes, JA Cabrillo, IJ Nuttens, C Calderon, A Chuang, SH Duarte Campderros, J Felcini, M Fernandez, M Gomez, G Gonzalez Sanchez, J Graziano, A Jorda, C Lopez Virto, A Fruehwirth, R Pagano, D Marco, J Marco, R Martinez Rivero, C Matorras, F Munoz Sanchez, FJ Rodrigo, T Rodriguez-Marrero, AY Ruiz-Jimeno, A Scodellaro, L Vila, I Pin, A Vilar Cortabitarte, R Abbaneo, D Auffray, E Auzinger, G Bachtis, M Baillon, P Ball, AH Barney, D Benitez, JF Bernet, C Piotrzkowski, K Bianchi, G Bloch, P Bocci, A Bonato, A Botta, C Breuker, H Camporesi, T Cerminara, G Christiansen, T Perez, JAC Schul, N D'Enterria, D Dabrowski, A De Roeck, A Di Guida, S Dobson, M Dupont-Sagorin, N Elliott-Peisert, A Frisch, B Funk, W Georgiou, G Garcia, JMV Giffels, M Gigi, D Gill, K Giordano, D Girone, M Giunta, M Glege, F Garrido, RG-R Govoni, P Gowdy, S Beliy, N Guida, R Hansen, M Harris, P Hartl, C Harvey, J Hegner, B Hinzmann, A Innocente, V Janot, P Kaadze, K Caebergs, T Karavakis, E Kousouris, K Lecoq, P Lee, Y-J Lenzi, P Lourenco, C Magini, N Maeki, T Malberti, M Malgeri, L Daubie, E Mannelli, M Masetti, L Meijers, F Mersi, S Meschi, E Moser, R Mozer, MU Mulders, M Musella, P Nesvold, E Hammad, GH Orimoto, T Orsini, L Cortezon, EP Perez, E Perrozzi, L Petrilli, A Pfeiffer, A Pierini, M Pimiae, M Piparo, D Alves, GA Polese, G Quertenmont, L Racz, A Reece, W Antunes, JR Rolandi, G Rovelli, C Rovere, M Sakulin, H Santanastasio, F Ghete, VM Correa Martins Junior, M Schaefer, C Schwick, C Segoni, I Sekmen, S Sharma, A Siegrist, P Silva, P Simon, M Sphicas, P Spiga, D De Jesus Damiao, D Tsirou, A Veres, GI Vlimant, JR Woehri, HK Worm, SD Zeuner, WD Bertl, W Deiters, K Erdmann, W Gabathuler, K Martins, T Horisberger, R Ingram, Q Kaestli, HC Koenig, S Kotlinski, D Langenegger, U Meier, F Renker, D Rohe, T Sibille, J Pol, ME Baeni, L Bortignon, P Buchmann, MA Casal, B Chanon, N Deisher, A Dissertori, G Dittmar, M Donega, M Duenser, M Souza, MHG Eugster, J Freudenreich, K Grab, C Hits, D Lecomte, P Lustermann, W Marini, AC del Arbol, PMR Mohr, N Moortgat, F Alda Junior, WL Naegeli, C Nef, P Nessi-Tedaldi, F Pandolfi, F Pape, L Pauss, F Peruzzi, M Ronga, FJ Rossini, M Sala, L Carvalho, W Sanchez, AK Starodumov, A Stieger, B Takahashi, M Tauscher, L Thea, A Theofilatos, K Treille, D Urscheler, C Wallny, R Custodio, A Weber, HA Wehrli, L Amsler, C Chiochia, V De Visscher, S Favaro, C Rikova, MI Mejias, BM Otiougova, P Robmann, P Da Costa, EM Snoek, H Tupputi, S Verzetti, M Chang, YH Chen, KH Kuo, CM Li, SW Lin, W Liu, ZK Lu, YJ De Oliveira Martins, C Mekterovic, D Singh, AP Volpe, R Yu, SS Bartalini, P Chang, P Chang, YH Chang, YW Chao, Y Chen, KF Hammer, J Fonseca De Souza, S Dietz, C Grundler, U Hou, W-S Hsiung, Y Kao, KY Lei, YJ Lu, R-S Majumder, D Petrakou, E Shi, X Matos Figueiredo, D Shiu, JG Tzeng, YM Wan, X Wang, M Asavapibhop, B Srimanobhas, N Adiguzel, A Bakirci, MN Cerci, S Dozen, C Mundim, L Dumanoglu, I Eskut, E Girgis, S Gokbulut, G Gurpinar, E Hos, I Kangal, EE Karaman, T Karapinar, G Topaksu, AK Nogima, H Onengut, G Ozdemir, K Ozturk, S Polatoz, A Sogut, K Cerci, DS Tali, B Topakli, H Vergili, LN Vergili, M Oguri, V Akin, IV Aliev, T Bilin, B Bilmis, S Deniz, M Gamsizkan, H Guler, AM Ocalan, K Ozpineci, A Serin, M Prado Da Silva, WL Sever, R Surat, UE Yalvac, M Yildirim, E Zeyrek, M Guelmez, E Isildak, B Kaya, M Kaya, O Ozkorucuklu, S Santoro, A Sonmez, N Cankocak, K Levchuk, L Bostock, F Brooke, JJ Clement, E Cussans, D Flacher, H Frazier, R Goldstein, J Soares Jorge, L Grimes, M Heath, GP Heath, HF Kreczko, L Metson, S Newbold, DM Nirunpong, K Poll, A Senkin, S Smith, VJ Sznajder, A Williams, T Basso, L Bell, KW Belyaev, A Brew, C Brown, RM Cockerill, DJA Coughlan, JA Harder, K Harper, S Anjos, TS Jackson, J Kennedy, BW Olaiya, E Petyt, D Radburn-Smith, BC Shepherd-Themistocleous, CH Tomalin, IR Womersley, WJ Bainbridge, R Ball, G Hoermann, N Bernardes, CA Beuselinck, R Buchmuller, O Colling, D Cripps, N Cutajar, M Dauncey, P Davies, G Della Negra, M Ferguson, W Fulcher, J Dias, FA Futyan, D Gilbert, A Bryer, AG Hall, G Hatherell, Z Hays, J Iles, G Jarvis, M Karapostoli, G Lyons, L Fernandez Perez Tomei, TR Magnan, A-M Marrouche, J Mathias, B Nandi, R Nash, J Nikitenko, A Papageorgiou, A Pela, J Pesaresi, M Petridis, K Gregores, EM Pioppi, M Raymond, DM Rogerson, S Rose, A Ryan, MJ Seez, C Sharp, P Sparrow, A Stoye, M Tapper, A Lagana, C Acosta, MV Virdee, T Wakefield, S Wardle, N Whyntie, T Chadwick, M Cole, JE Hobson, PR Khan, A Kyberd, P Marinho, F Leggat, D Leslie, D Martin, W Reid, ID Symonds, P Teodorescu, L Turner, M Hatakeyama, K Liu, H Scarborough, T Mercadante, PG Charaf, O Henderson, C Rumerio, P Avetisyan, A Bose, T Fantasia, C Heister, A St John, J Lawson, P Lazic, D Novaes, SF Rohlf, J Sperka, D Sulak, L Alimena, J Bhattacharya, S Cutts, D Ferapontov, A Heintz, U Jabeen, S Kukartsev, G Padula, SS Laird, E Landsberg, G Luk, M Narain, M Nguyen, D Segala, M Sinthuprasith, T Speer, T Tsang, KV Breedon, R Genchev, V Breto, G Sanchez, MCDLB Chauhan, S Chertok, M Conway, J Conway, R Cox, PT Dolen, J Erbacher, R Gardner, M Hrubec, J Iaydjiev, P Houtz, R Ko, W Kopecky, A Lander, R Mall, O Miceli, T Pellett, D Ricci-tam, F Rutherford, B Searle, M Piperov, S Smith, J Squires, M Tripathi, M Sierra, RV Andreev, V Cline, D Cousins, R Duris, J Erhan, S Everaerts, P Rodozov, M Farrell, C Hauser, J Ignatenko, M Jarvis, C Plager, C Rakness, G Schlein, P Traczyk, P Valuev, V Weber, M Stoykova, S Babb, J Clare, R Dinardo, ME Ellison, J Gary, JW Giordano, F Hanson, G Jeng, GY Liu, H Long, OR Sultanov, G Luthra, A Nguyen, H Paramesvaran, S Sturdy, J Sumowidagdo, S Wilken, R Wimpenny, S Andrews, W Branson, JG Cerati, GB Tcholakov, V Cittolin, S Evans, D Golf, F Holzner, A Kelley, R Lebourgeois, M Letts, J Macneill, I Mangano, B Padhi, S Trayanov, R Palmer, C Petrucciani, G Pieri, M Sani, M Sharma, V Simon, S Sudano, E Tadel, M Tu, Y Vartak, A Vutova, M Wasserbaech, S Wuerthwein, F Yagil, A Yoo, J Barge, D Bellan, R Campagnari, C D'Alfonso, M Danielson, T Flowers, K Dimitrov, A Geffert, P Incandela, J Justus, C Kalavase, P Koay, SA Kovalskyi, D Krutelyov, V Lowette, S Mccoll, N Pavlunin, V Hadjiiska, R Rebassoo, F Ribnik, J Richman, J Rossin, R Stuart, D To, W West, C Apresyan, A Bornheim, A Chen, Y Jeitler, M Kozhuharov, V Di Marco, E Duarte, J Gataullin, M Ma, Y Mott, A Newman, HB Rogan, C Spiropulu, M Timciuc, V Veverka, J Litov, L Wilkinson, R Xie, S Yang, Y Zhu, RY Akgun, B Azzolini, V Calamba, A Carroll, R Ferguson, T Iiyama, Y Pavlov, B Jang, DW Liu, YF Paulini, M Vogel, H Vorobiev, I Cumalat, JP Drell, BR Ford, WT Gaz, A 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Keywords: | Physical Sciences;Physics;CMS |
Issue Date: | 2012 |
Publisher: | American Physical Society |
Citation: | Physical Review D, 86(5), Article 052013, 2012 |
Abstract: | Results are presented from a search for the pair production of first- and second-generation scalar leptoquarks in proton-proton collisions at √s =7 TeV . The data sample corresponds to an integrated luminosity of 5.0 fb ^−1 , collected by the CMS detector at the LHC. The search signatures involve either two charged leptons of the same flavor (electrons or muons) and at least two jets or a single charged lepton (electron or muon), missing transverse energy, and at least two jets. If the branching fraction of the leptoquark decay into a charged lepton and a quark is assumed to be β-1 , leptoquark pair production is excluded at the 95% confidence level for masses below 830 GeV and 840 GeV for the first and second generations, respectively. For β-0.5 , masses below 640 GeV and 650 GeV are excluded. These limits are the most stringent to date. |
Description: | This article is the pre-print version of the final published paper that is available from the link above. |
URI: | http://prd.aps.org/abstract/PRD/v86/i5/e052013 http://bura.brunel.ac.uk/handle/2438/7816 |
DOI: | http://dx.doi.org/10.1103/PhysRevD.86.052013 |
ISSN: | 1550-7998 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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