Presentation of the smith-purcell experiment at SOLEIL

IBIC 2013: Proceedings of the 2nd International Beam Instrumentation Conference (2013) 460-463

Authors:

N Delerue, J Barros, S Jenzer, M Vieille Grosjean, A Faus-Golfe, N Fuster Martinez, J Resta-López, G Doucas, I Konoplev, A Reichold, M Labat, L Cassinari

Abstract:

The potential of Coherent Smith-Purcell radiation as a longitudinal bunch profile monitor has already been demonstrated and has recently been extended to the sub-picosecond range. As a critical step toward the construction of a single shot bunch profile monitor using Coherent Smith-Purcell radiation it is important to measure very accurately the distribution of such radiation. Optimum background suppression techniques need to be found and relatively cheap detectors suitable for the far infra-red need to be qualified. To perform these tasks a test stand has been installed at the end of the linac of the synchrotron SOLEIL. This test stand and the first results from its commissioning will be presented here.

Search for top-squark pair production in the single-lepton final state in pp collisions at √s = 8 TeV

European Physical Journal C 73:12 (2013) 1-46

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, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, V Knünz, M Krammer, I Krätschmer, D Liko, I Mikulec, D Rabady, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, W Treberer-Treberspurg, W Waltenberger, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Alderweireldt, M Bansal, S Bansal, T Cornelis, EA De Wolf, X Janssen, A Knutsson, S Luyckx, L Mucibello, S Ochesanu, B Roland, R Rougny, Z Staykova, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, A Kalogeropoulos, J Keaveney, S Lowette, M Maes, A Olbrechts, S Tavernier, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, C Caillol, B Clerbaux, G De Lentdecker, L Favart, APR Gay, T Hreus, A Léonard, PE Marage, A Mohammadi, L Perniè, T Reis, T Seva, L Thomas, C Vander Velde, P Vanlaer, J Wang, V Adler, K Beernaert, L Benucci, A Cimmino, S Costantini, S Dildick, G Garcia, B Klein, J Lellouch, A Marinov, J Mccartin, AA Ocampo Rios, D Ryckbosch, M Sigamani, N Strobbe, F Thyssen, M Tytgat, S Walsh, E Yazgan, N Zaganidis

Abstract:

This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an integrated luminosity of 19.5 fb-1 of pp collisions collected in 2012 by the CMS experiment at the LHC at a center-of-mass energy of √s = 8 TeV. No significant excess in data is observed above the expectation from standard model processes. The results are interpreted in the context of supersymmetric models with pair production of top squarks that decay either to a top quark and a neutralino or to a bottom quark and a chargino. For small mass values of the lightest supersymmetric particle, top-squark mass values up to around 650 GeV are excluded. © 2013 CERN for the benefit of the CMS collaboration.

Some properties of coherent smith-purcell radiation from electron bunches and gratings of finite dimensions

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz (2013)

Authors:

IV Konoplev, FB Taheri, G Doucas, A Reichold, R Bartolini, N Delerue, C Clarke, V Bharadwaj

Abstract:

There is a strong interest in the development of single shot diagnostics of fs relativistic electron bunches within a number of research areas including compact particle accelerators and THz and X-ray sources of radiation. The goal of this work is to investigate some properties of coherent Smith-Purcell radiation and to use it for the reconstruction of the longitudinal profile of a fs-long electron bunch. © 2013 IEEE.

Search for top-squark pair production in the single-lepton final state in pp collisions at {Mathematical expression}

European Physical Journal C 73:12 (2013) 1-46

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, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, V Knünz, M Krammer, I Krätschmer, D Liko, I Mikulec, D Rabady, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, W Treberer-Treberspurg, W Waltenberger, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Alderweireldt, M Bansal, S Bansal, T Cornelis, EA De Wolf, X Janssen, A Knutsson, S Luyckx, L Mucibello, S Ochesanu, B Roland, R Rougny, Z Staykova, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, A Kalogeropoulos, J Keaveney, S Lowette, M Maes, A Olbrechts, S Tavernier, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, C Caillol, B Clerbaux, G De Lentdecker, L Favart, APR Gay, T Hreus, A Léonard, PE Marage, A Mohammadi, L Perniè, T Reis, T Seva, L Thomas, C Vander Velde, P Vanlaer, J Wang, V Adler, K Beernaert, L Benucci, A Cimmino, S Costantini, S Dildick, G Garcia, B Klein, J Lellouch, A Marinov, J Mccartin, AA Ocampo Rios, D Ryckbosch, M Sigamani, N Strobbe, F Thyssen, M Tytgat, S Walsh, E Yazgan, N Zaganidis, S Basegmez, C Beluffi, G Bruno, R Castello, A Caudron, L Ceard, GG Da Silveira, C Delaere, T du Pree, D Favart, L Forthomme, A Giammanco, J Hollar, P Jez, V Lemaitre, J Liao, O Militaru, C Nuttens, D Pagano, A Pin, K Piotrzkowski, A Popov, M Selvaggi, M Vidal Marono, JM Vizan Garcia, N Beliy, T Caebergs, E Daubie, GH Hammad, GA Alves, M Correa Martins Junior, T Martins, ME Pol, MHG Souza, WL Aldá Júnior, W Carvalho, J Chinellato, A Custódio, EM Da Costa, D De Jesus Damiao, C De Oliveira Martins, S Fonseca De Souza, H Malbouisson, M Malek, D Matos Figueiredo, L Mundim, H Nogima, WL Prado Da Silva, A Santoro, A Sznajder, EJ Tonelli Manganote, A Vilela Pereira, FA Dias, TR Fernandez Perez Tomei, C Lagana, SF Novaes, SS Padula, CA Bernardes, EM Gregores, PG Mercadante, V Genchev, P Iaydjiev, S Piperov, M Rodozov, G Sultanov, M Vutova, A Dimitrov, R Hadjiiska, V Kozhuharov, L Litov, B Pavlov, P Petkov, JG Bian, GM Chen, HS Chen, CH Jiang, D Liang, S Liang, X Meng, J Tao, X Wang, Z Wang, C Asawatangtrakuldee, Y Ban, Y Guo, W Li, S Liu, Y Mao, SJ Qian, H Teng, D Wang, L Zhang, W Zou, C Avila, CA Carrillo Montoya, LF Chaparro Sierra, JP Gomez, B Gomez Moreno, JC Sanabria, N Godinovic, D Lelas, R Plestina, D Polic, I Puljak, Z Antunovic, M Kovac, V Brigljevic, K Kadija, J Luetic, D Mekterovic, S Morovic, L Tikvica, A Attikis, G Mavromanolakis, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Finger, M Finger Jr, AA Abdelalim, Y Assran, S Elgammal, A Ellithi Kamel, MA Mahmoud, A Radi, M Kadastik, M Müntel, M Murumaa, M Raidal, L Rebane, A Tiko, P Eerola, G Fedi, M Voutilainen, J Härkönen, V Karimäki, R Kinnunen, MJ Kortelainen, T Lampén, K Lassila-Perini, S Lehti, T Lindén, P Luukka, T Mäenpää, T Peltola, E Tuominen, J Tuominiemi, E Tuovinen, L Wendland, T Tuuva, M Besancon, F Couderc, M Dejardin, D Denegri, B Fabbro, JL Faure, F Ferri, S Ganjour, A Givernaud, P Gras, G Hamel de Monchenault, P Jarry, E Locci, J Malcles, L Millischer, A Nayak, J Rander, A Rosowsky, M Titov, S Baffioni, F Beaudette, L Benhabib, M Bluj, P Busson, C Charlot, N Daci, T Dahms, M Dalchenko, L Dobrzynski, A Florent, R Granier de Cassagnac, M Haguenauer, P Miné, C Mironov, IN Naranjo, M Nguyen, C Ochando, P Paganini, D Sabes, R Salerno, Y Sirois, C Veelken, A Zabi, J-L Agram, J Andrea, D Bloch, J-M Brom, EC Chabert, C Collard, E Conte, F Drouhin, J-C Fontaine, D Gelé, U Goerlach, C Goetzmann, P Juillot, A-C Le Bihan, P Van Hove, S Gadrat, S Beauceron, N Beaupere, G Boudoul, S Brochet, J Chasserat, R Chierici, D Contardo, P Depasse, H El Mamouni, J Fan, J Fay, S Gascon, M Gouzevitch, B Ille, T Kurca, M Lethuillier, L Mirabito, S Perries, L Sgandurra, V Sordini, M Vander Donckt, P Verdier, S Viret, H Xiao, Z Tsamalaidze, C Autermann, S Beranek, M Bontenackels, B Calpas, M Edelhoff, L Feld, N Heracleous, O Hindrichs, K Klein, A Ostapchuk, A Perieanu, F Raupach, J Sammet, S Schael, D Sprenger, H Weber, B Wittmer, V Zhukov, M Ata, J Caudron, E Dietz-Laursonn, D Duchardt, M Erdmann, R Fischer, A Güth, T Hebbeker, C Heidemann, K Hoepfner, D Klingebiel, S Knutzen, P Kreuzer, M Merschmeyer, A Meyer, M Olschewski, K Padeken, P Papacz, H Pieta, H Reithler, SA Schmitz, L Sonnenschein, J Steggemann, D Teyssier, S Thüer, M Weber, V Cherepanov, Y Erdogan, G Flügge, H Geenen, M Geisler, W Haj Ahmad, F Hoehle, B Kargoll, T Kress, Y Kuessel, J Lingemann, A Nowack, IM Nugent, L Perchalla, O Pooth, A Stahl, I Asin, N Bartosik, J Behr, W Behrenhoff, U Behrens, AJ Bell, M Bergholz, A Bethani, K Borras, A Burgmeier, A Cakir, L Calligaris, A Campbell, S Choudhury, F Costanza, C Diez Pardos, S Dooling, T Dorland, G Eckerlin, D Eckstein, G Flucke, A Geiser, I Glushkov, A Grebenyuk, P Gunnellini, S Habib, J Hauk, G Hellwig, D Horton, H Jung, M Kasemann, P Katsas, C Kleinwort, H Kluge, M Krämer, D Krücker, E Kuznetsova, W Lange, J Leonard, K Lipka, W Lohmann, B Lutz, R Mankel, I Marfin, I-A Melzer-Pellmann, AB Meyer, J Mnich, A Mussgiller, S Naumann-Emme, O Novgorodova, F Nowak, J Olzem, H Perrey, A Petrukhin, D Pitzl, R Placakyte, A Raspereza, PM Ribeiro Cipriano, C Riedl, E Ron, MO Sahin, J Salfeld-Nebgen, R Schmidt, T Schoerner-Sadenius, N Sen, M Stein, R Walsh, C Wissing, M Aldaya Martin, V Blobel, H Enderle, J Erfle, E Garutti, U Gebbert, M Görner, M Gosselink, J Haller, K Heine, RS Höing, G Kaussen, H Kirschenmann, R Klanner, R Kogler, J Lange, I Marchesini, T Peiffer, N Pietsch, D Rathjens, C Sander, H Schettler, P Schleper, E Schlieckau, A Schmidt, M Schröder, T Schum, M Seidel, J Sibille, V Sola, H Stadie, G Steinbrück, J Thomsen, D Troendle, E Usai, L Vanelderen, C Barth, C Baus, J Berger, C Böser, E Butz, T Chwalek, W De Boer, A Descroix, A Dierlamm, M Feindt, M Guthoff, F Hartmann, T Hauth, H Held, KH Hoffmann, U Husemann, I Katkov, JR Komaragiri, A Kornmayer, P Lobelle Pardo, D Martschei, MU Mozer, Th Müller, M Niegel, A Nürnberg, O Oberst, J Ott, G Quast, K Rabbertz, F Ratnikov, S Röcker, F-P Schilling, G Schott, HJ Simonis, FM Stober, R Ulrich, J Wagner-Kuhr, S Wayand, T Weiler, M Zeise, G Anagnostou, G Daskalakis, T Geralis, S Kesisoglou, A Kyriakis, D Loukas, A Markou, C Markou, E Ntomari, I Topsis-giotis, L Gouskos, A Panagiotou, N Saoulidou, E Stiliaris, X Aslanoglou, I Evangelou, G Flouris, C Foudas, P Kokkas, N Manthos, I Papadopoulos, E Paradas, G Bencze, C Hajdu, P Hidas, D Horvath, F Sikler, V Veszpremi, G Vesztergombi, AJ Zsigmond, N Beni, S Czellar, J Molnar, J Palinkas, Z Szillasi, J Karancsi, P Raics, ZL Trocsanyi, B Ujvari, SK Swain, SB Beri, V Bhatnagar, N Dhingra, R Gupta, M Kaur, MZ Mehta, M Mittal, N Nishu, A Sharma, JB Singh, A Kumar, S Ahuja, A Bhardwaj, BC Choudhary, S Malhotra, M Naimuddin, K Ranjan, P Saxena, V Sharma, RK Shivpuri, S Banerjee, S Bhattacharya, K Chatterjee, S Dutta, B Gomber, Sa Jain, Sh Jain, R Khurana, A Modak, S Mukherjee, D Roy, S Sarkar, M Sharan, AP Singh, A Abdulsalam, D Dutta, S Kailas, V Kumar, AK Mohanty, LM Pant, P Shukla, A Topkar, T Aziz, RM Chatterjee, S Ganguly, S Ghosh, M Guchait, A Gurtu, G Kole, S Kumar, M Maity, G Majumder, K Mazumdar, GB Mohanty, B Parida, K Sudhakar, N Wickramage, S Dugad, H Arfaei, H Bakhshiansohi, SM Etesami, A Fahim, A Jafari, M Khakzad, M Mohammadi Najafabadi, S Paktinat Mehdiabadi, B Safarzadeh, M Zeinali, M Grunewald, M Abbrescia, L Barbone, C Calabria, SS Chhibra, A Colaleo, D Creanza, N De Filippis, M De Palma, L Fiore, G Iaselli, G Maggi, M Maggi, B Marangelli, S My, S Nuzzo, N Pacifico, A Pompili, G Pugliese, G Selvaggi, L Silvestris, G Singh, R Venditti, P Verwilligen, G Zito, G Abbiendi, AC Benvenuti, D Bonacorsi, S Braibant-Giacomelli, L Brigliadori, R Campanini, P Capiluppi, A Castro, FR Cavallo, G Codispoti, M Cuffiani, GM Dallavalle, F Fabbri, A Fanfani, D Fasanella, P Giacomelli, C Grandi, L Guiducci, S Marcellini, G Masetti, M Meneghelli, A Montanari, FL Navarria, F Odorici, A Perrotta, F Primavera, AM Rossi, T Rovelli, GP Siroli, N Tosi, R Travaglini, S Albergo, G Cappello, M Chiorboli, S Costa, F Giordano, R Potenza, A Tricomi, C Tuve, G Barbagli, V Ciulli, C Civinini, R D'Alessandro, E Focardi, S Frosali, E Gallo, S Gonzi, V Gori, P Lenzi, M Meschini, S Paoletti, G Sguazzoni, A Tropiano, L Benussi, S Bianco, D Piccolo, P Fabbricatore, R Ferretti, F Ferro, M Lo Vetere, R Musenich, E Robutti, S Tosi, A Benaglia, ME Dinardo, S Fiorendi, S Gennai, A Ghezzi, P Govoni, MT Lucchini, S Malvezzi, RA Manzoni, A Martelli, D Menasce, L Moroni, M Paganoni, D Pedrini, S Ragazzi, N Redaelli, T Tabarelli de Fatis, S Buontempo, N Cavallo, A De Cosa, F Fabozzi, AOM Iorio, L Lista, S Meola, M Merola, P Paolucci, P Azzi, N Bacchetta, D Bisello, A Branca, R Carlin, P Checchia, T Dorigo, M Galanti, F Gasparini, U Gasparini, P Giubilato, A Gozzelino, K Kanishchev, S Lacaprara, I Lazzizzera, M Margoni, AT Meneguzzo, M Michelotto, F Montecassiano, M Passaseo, J Pazzini, M Pegoraro, N Pozzobon, P Ronchese, F Simonetto, E Torassa, M Tosi, P Zotto, A Zucchetta, G Zumerle, M Gabusi, SP Ratti, C Riccardi, P Vitulo, M Biasini, GM Bilei, L Fanò, P Lariccia, G Mantovani, M Menichelli, A Nappi, F Romeo, A Saha, A Santocchia, A Spiezia, K Androsov, P Azzurri, G Bagliesi, T Boccali, G Broccolo, R Castaldi, MA Ciocci, RT D'Agnolo, R Dell'Orso, F Fiori, L Foà, A Giassi, MT Grippo, A Kraan, F Ligabue, T Lomtadze, L Martini, A Messineo, CS Moon, F Palla, A Rizzi, A Savoy-Navarro, AT Serban, P Spagnolo, P Squillacioti, R Tenchini, G Tonelli, A Venturi, PG Verdini, C Vernieri, L Barone, F Cavallari, D Del Re, M Diemoz, M Grassi, E Longo, F Margaroli, P Meridiani, F Micheli, S Nourbakhsh, G Organtini, R Paramatti, S Rahatlou, C Rovelli, L Soffi, N Amapane, R Arcidiacono, S Argiro, M Arneodo, R Bellan, C Biino, N Cartiglia, S Casasso, M Costa, A Degano, N Demaria, C Mariotti, S Maselli, E Migliore, V Monaco, M Musich, MM Obertino, N Pastrone, M Pelliccioni, A Potenza, A Romero, M Ruspa, R Sacchi, A Solano, A Staiano, U Tamponi, S Belforte, V Candelise, M Casarsa, F Cossutti, G Della Ricca, B Gobbo, C La Licata, M Marone, D Montanino, A Penzo, A Schizzi, A Zanetti, S Chang, TY Kim, SK Nam, DH Kim, GN Kim, JE Kim, DJ Kong, S Lee, YD Oh, H Park, DC Son, JY Kim, ZJ Kim, S Song, S Choi, D Gyun, B Hong, M Jo, H Kim, TJ Kim, KS Lee, SK Park, Y Roh, M Choi, JH Kim, C Park, IC Park, S Park, G Ryu, Y Choi, YK Choi, J Goh, MS Kim, E Kwon, B Lee, J Lee, H Seo, I Yu, I Grigelionis, A Juodagalvis, H Castilla-Valdez, E De La Cruz-Burelo, I Heredia-de La Cruz, R Lopez-Fernandez, J Martínez-Ortega, A Sanchez-Hernandez, LM Villasenor-Cendejas, S Carrillo Moreno, F Vazquez Valencia, HA Salazar Ibarguen, E Casimiro Linares, A Morelos Pineda, MA Reyes-Santos, D Krofcheck, PH Butler, R Doesburg, S Reucroft, H Silverwood, M Ahmad, MI Asghar, J Butt, HR Hoorani, S Khalid, WA Khan, T Khurshid, S Qazi, MA Shah, M Shoaib, H Bialkowska, B Boimska, T Frueboes, M Górski, M Kazana, K Nawrocki, K Romanowska-Rybinska, M Szleper, G Wrochna, P Zalewski, G Brona, K Bunkowski, M Cwiok, W Dominik, K Doroba, A Kalinowski, M Konecki, J Krolikowski, M Misiura, W Wolszczak, N Almeida, P Bargassa, C Beirão Da Cruz E Silva, P Faccioli, PG Ferreira Parracho, M Gallinaro, F Nguyen, J Rodrigues Antunes, J Seixas, J Varela, P Vischia, S Afanasiev, P Bunin, M Gavrilenko, I Golutvin, I Gorbunov, A Kamenev, V Karjavin, V Konoplyanikov, A Lanev, A Malakhov, V Matveev, P Moisenz, V Palichik, V Perelygin, S Shmatov, N Skatchkov, V Smirnov, A Zarubin, S Evstyukhin, V Golovtsov, Y Ivanov, V Kim, P Levchenko, V Murzin, V Oreshkin, I Smirnov, V Sulimov, L Uvarov, S Vavilov, A Vorobyev, An Vorobyev, Yu Andreev, A Dermenev, S Gninenko, N Golubev, M Kirsanov, N Krasnikov, A Pashenkov, D Tlisov, A Toropin, V Epshteyn, M Erofeeva, V Gavrilov, N Lychkovskaya, V Popov, G Safronov, S Semenov, A Spiridonov, V Stolin, E Vlasov, A Zhokin, V Andreev, M Azarkin, I Dremin, M Kirakosyan, A Leonidov, G Mesyats, SV Rusakov, A Vinogradov, A Belyaev, E Boos, M Dubinin, L Dudko, A Ershov, A Gribushin, V Klyukhin, O Kodolova, I Lokhtin, A Markina, S Obraztsov, S Petrushanko, V Savrin, A Snigirev, I Azhgirey, I Bayshev, S Bitioukov, V Kachanov, A Kalinin, D Konstantinov, V Krychkine, V Petrov, R Ryutin, A Sobol, L Tourtchanovitch, S Troshin, N Tyurin, A Uzunian, A Volkov, P Adzic, M Djordjevic, M Ekmedzic, J Milosevic, M Aguilar-Benitez, J Alcaraz Maestre, C Battilana, E Calvo, M Cerrada, M Chamizo Llatas, N Colino, B De La Cruz, A Delgado Peris, D Domínguez Vázquez, C Fernandez Bedoya, JP Fernández Ramos, A Ferrando, J Flix, MC Fouz, P Garcia-Abia, O Gonzalez Lopez, S Goy Lopez, JM Hernandez, MI Josa, G Merino, E Navarro De Martino, J Puerta Pelayo, A Quintario Olmeda, I Redondo, L Romero, J Santaolalla, MS Soares, C Willmott, C Albajar, JF de Trocóniz, H Brun, J Cuevas, J Fernandez Menendez, S Folgueras, I Gonzalez Caballero, L Lloret Iglesias, J Piedra Gomez, JA Brochero Cifuentes, IJ Cabrillo, A Calderon, SH Chuang, J Duarte Campderros, M Fernandez, G Gomez, J Gonzalez Sanchez, A Graziano, C Jorda, A Lopez Virto, J Marco, R Marco, C Martinez Rivero, F Matorras, FJ Munoz Sanchez, T Rodrigo, AY Rodríguez-Marrero, A Ruiz-Jimeno, L Scodellaro, I Vila, R Vilar Cortabitarte, D Abbaneo, E Auffray, G Auzinger, M Bachtis, P Baillon, AH Ball, D Barney, J Bendavid, JF Benitez, C Bernet, G Bianchi, P Bloch, A Bocci, A Bonato, O Bondu, C Botta, H Breuker, T Camporesi, G Cerminara, T Christiansen, JA Coarasa Perez, S Colafranceschi, M D'Alfonso, D d'Enterria, A Dabrowski, A David, F De Guio, A De Roeck, S De Visscher, S Di Guida, M Dobson, N Dupont-Sagorin, A Elliott-Peisert, J Eugster, G Franzoni, W Funk, G Georgiou, M Giffels, D Gigi, K Gill, D Giordano, M Girone, M Giunta, F Glege, R Gomez-Reino Garrido, S Gowdy, R Guida, J Hammer, M Hansen, P Harris, C Hartl, A Hinzmann, V Innocente, P Janot, E 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Smith, J Swanson

Abstract:

This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an integrated luminosity of 19.5 fb of pp collisions collected in 2012 by the CMS experiment at the LHC at a center-of-mass energy of {Mathematical expression}. No significant excess in data is observed above the expectation from standard model processes. The results are interpreted in the context of supersymmetric models with pair production of top squarks that decay either to a top quark and a neutralino or to a bottom quark and a chargino. For small mass values of the lightest supersymmetric particle, top-squark mass values up to around 650 GeV are excluded. © 2013 CERN for the benefit of the CMS collaboration.

Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at sqrt(s) = 8 TeV

ArXiv 1311.7667 (2013)