Inclusive search for supersymmetry using razor variables in pp collisions at √s=7 TeV.
Phys Rev Lett 111:8 (2013) 081802
Authors:
S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, E Aguilo, T Bergauer, M Dragicevic, J Erö, C Fabjan, M Friedl, R Frühwirth, VM Ghete, J Hammer, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, V Knünz, M Krammer, I Krätschmer, D Liko, I Mikulec, M Pernicka, B Rahbaran, C Rohringer, H Rohringer, R Schöfbeck, J Strauss, A Taurok, W Waltenberger, G Walzel, E Widl, C-E Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, M Bansal, S Bansal, T Cornelis, EA De Wolf, X Janssen, S Luyckx, L Mucibello, S Ochesanu, B Roland, R Rougny, M Selvaggi, Z Staykova, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, R Gonzalez Suarez, A Kalogeropoulos, M Maes, A Olbrechts, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, B Clerbaux, G De Lentdecker, V Dero, APR Gay, T Hreus, A Léonard, PE Marage, A Mohammadi, T Reis, L Thomas, G Vander Marcken, C Vander Velde, P Vanlaer, J Wang, V Adler, K Beernaert, A Cimmino, S Costantini, G Garcia, M Grunewald, B Klein, J Lellouch, A Marinov, J McCartin, AA Ocampo Rios, D Ryckbosch, N Strobbe, F Thyssen, M Tytgat, P Verwilligen, S Walsh, E Yazgan, N Zaganidis, S Basegmez, G Bruno, R Castello, L Ceard, C Delaere, T du Pree, D Favart, L Forthomme, A Giammanco, J Hollar, V Lemaitre, J Liao, O Militaru, C Nuttens, D Pagano, A Pin, K Piotrzkowski, N Schul, 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, A Custódio, EM Da Costa, D De Jesus Damiao, C De Oliveira Martins, S Fonseca De Souza, D Matos Figueiredo, L Mundim, H Nogima, V Oguri, WL Prado Da Silva, A Santoro, L Soares Jorge, A Sznajder, TS Anjos, CA Bernardes, FA Dias, TR Fernandez Perez Tomei, EM Gregores, C Lagana, F Marinho, PG Mercadante, SF Novaes, Sandra S Padula, V Genchev, P Iaydjiev, S Piperov, M Rodozov, S Stoykova, G Sultanov, V Tcholakov, R Trayanov, 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, J Wang, X Wang, Z Wang, H Xiao, M Xu, J Zang, Z Zhang, C Asawatangtrakuldee, Y Ban, Y Guo, W Li, S Liu, Y Mao, SJ Qian, H Teng, D Wang, L Zhang, W Zou, C Avila, JP Gomez, B Gomez Moreno, AF Osorio Oliveros, JC Sanabria, N Godinovic, D Lelas, R Plestina, D Polic, I Puljak, Z Antunovic, M Kovac, V Brigljevic, S Duric, K Kadija, J Luetic, S Morovic, A Attikis, M Galanti, G Mavromanolakis, J Mousa, C Nicolaou, F Ptochos, PA Razis, M Finger, M Finger, Y Assran, S Elgammal, A Ellithi Kamel, MA Mahmoud, A Radi, M Kadastik, M Müntel, M Raidal, L Rebane, A Tiko, P Eerola, G Fedi, M Voutilainen, J Härkönen, A Heikkinen, 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, D Ungaro, L Wendland, K Banzuzi, A Karjalainen, A Korpela, T Tuuva, M Besancon, S Choudhury, M Dejardin, D Denegri, B Fabbro, JL Faure, F 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Mankel, I Marfin, M Marienfeld, I-A Melzer-Pellmann, AB Meyer, J Mnich, A Mussgiller, S Naumann-Emme, O Novgorodova, J Olzem, H Perrey, A Petrukhin, D Pitzl, A Raspereza, PM Ribeiro Cipriano, C Riedl, E Ron, M Rosin, J Salfeld-Nebgen, R Schmidt, T Schoerner-Sadenius, N Sen, A Spiridonov, M Stein, R Walsh, C Wissing, V Blobel, J Draeger, H Enderle, J Erfle, U Gebbert, M Görner, T Hermanns, RS Höing, K Kaschube, G Kaussen, H Kirschenmann, R Klanner, J Lange, B Mura, F Nowak, 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, L Vanelderen, C Barth, J Berger, C Böser, T Chwalek, W De Boer, A Descroix, A Dierlamm, M Feindt, M Guthoff, C Hackstein, F Hartmann, T Hauth, M Heinrich, H Held, KH Hoffmann, U Husemann, I Katkov, JR Komaragiri, P Lobelle Pardo, D Martschei, S Mueller, Th Müller, M Niegel, A Nürnberg, O Oberst, A Oehler, J Ott, G Quast, K Rabbertz, F 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Bhattacharya, D Cutts, Z Demiragli, A Ferapontov, A Garabedian, U Heintz, S Jabeen, G Kukartsev, E Laird, G Landsberg, M Luk, M Narain, D Nguyen, M Segala, T Sinthuprasith, T Speer, KV Tsang, R Breedon, G Breto, M Calderon De La Barca Sanchez, S Chauhan, M Chertok, J Conway, R Conway, PT Cox, J Dolen, R Erbacher, M Gardner, R Houtz, W Ko, A Kopecky, R Lander, O Mall, T Miceli, D Pellett, F Ricci-Tam, B Rutherford, M Searle, J Smith, M Squires, M Tripathi, R Vasquez Sierra, R Yohay, V Andreev, D Cline, R Cousins, J Duris, S Erhan, P Everaerts, C Farrell, J Hauser, M Ignatenko, C Jarvis, C Plager, G Rakness, P Schlein, P Traczyk, V Valuev, M Weber, J Babb, R Clare, ME Dinardo, J Ellison, JW Gary, F Giordano, G Hanson, GY Jeng, H Liu, OR Long, A Luthra, H Nguyen, S Paramesvaran, J Sturdy, S Sumowidagdo, R Wilken, S Wimpenny, W Andrews, JG Branson, GB Cerati, S Cittolin, D Evans, F Golf, A Holzner, R Kelley, M Lebourgeois, J Letts, I Macneill, B Mangano, S Padhi, C Palmer, G Petrucciani, M Pieri, M Sani, V Sharma, S Simon, E Sudano, M Tadel, Y Tu, A Vartak, S Wasserbaech, F Würthwein, A Yagil, J Yoo, D Barge, R Bellan, C Campagnari, M D'Alfonso, T Danielson, K Flowers, P Geffert, J Incandela, C Justus, P Kalavase, SA Koay, D Kovalskyi, V Krutelyov, S Lowette, N McColl, V Pavlunin, F Rebassoo, J Ribnik, J Richman, R Rossin, D Stuart, W To, C West, A Apresyan, A Bornheim, Y Chen, E Di Marco, J Duarte, M Gataullin, Y Ma, A Mott, HB Newman, C Rogan, M Spiropulu, V Timciuc, J Veverka, R Wilkinson, S Xie, Y Yang, RY Zhu, B Akgun, V Azzolini, A Calamba, R Carroll, T Ferguson, Y Iiyama, DW Jang, YF Liu, M Paulini, H Vogel, I Vorobiev, JP Cumalat, BR Drell, WT Ford, A Gaz, E Luiggi Lopez, JG Smith, K Stenson, KA Ulmer, SR Wagner, J Alexander, A Chatterjee, N Eggert, LK Gibbons, B Heltsley, A Khukhunaishvili, B Kreis, N Mirman, G Nicolas Kaufman, JR Patterson, A Ryd, E Salvati, W Sun, WD Teo, J Thom, J Thompson, J Tucker, J Vaughan, Y Weng, L Winstrom, P Wittich, D Winn, S Abdullin, M Albrow, J Anderson, LAT Bauerdick, A Beretvas, J Berryhill, PC Bhat, I Bloch, K Burkett, JN Butler, V Chetluru, HWK Cheung, F Chlebana, VD Elvira, I Fisk, J Freeman, Y Gao, D Green, O Gutsche, J Hanlon, RM Harris, J Hirschauer, B Hooberman, S Jindariani, M Johnson, U Joshi, B Kilminster, B Klima, S Kunori, S Kwan, C Leonidopoulos, J Linacre, D Lincoln, R Lipton, J Lykken, K Maeshima, JM Marraffino, S Maruyama, D Mason, P McBride, K Mishra, S Mrenna, Y Musienko, C Newman-Holmes, V O'Dell, O Prokofyev, E Sexton-Kennedy, S Sharma, WJ Spalding, L Spiegel, L Taylor, S Tkaczyk, NV Tran, L Uplegger, EW Vaandering, R Vidal, J Whitmore, W Wu, F Yang, F Yumiceva, JC Yun, D Acosta, P Avery, D Bourilkov, M Chen, T Cheng, S Das, M De Gruttola, GP Di Giovanni, D Dobur, A Drozdetskiy, RD Field, M Fisher, Y Fu, IK Furic, J Gartner, J Hugon, B Kim, J Konigsberg, A Korytov, A Kropivnitskaya, T Kypreos, JF Low, K Matchev, P Milenovic, G Mitselmakher, L Muniz, M Park, R Remington, A Rinkevicius, P Sellers, N Skhirtladze, M Snowball, J Yelton, M Zakaria, V Gaultney, S Hewamanage, LM Lebolo, S Linn, P Markowitz, G Martinez, JL Rodriguez, T Adams, A Askew, J Bochenek, J Chen, B Diamond, SV Gleyzer, J Haas, S Hagopian, V Hagopian, M Jenkins, KF Johnson, H Prosper, V Veeraraghavan, M Weinberg, MM Baarmand, B Dorney, M Hohlmann, H Kalakhety, I Vodopiyanov, MR Adams, IM Anghel, L Apanasevich, Y Bai, VE Bazterra, RR Betts, I Bucinskaite, J Callner, R Cavanaugh, O Evdokimov, L Gauthier, CE Gerber, DJ Hofman, S Khalatyan, F Lacroix, M Malek, C O'Brien, C Silkworth, D Strom, P Turner, N Varelas, U Akgun, EA Albayrak, B Bilki, W Clarida, F Duru, J-P Merlo, H Mermerkaya, A Mestvirishvili, A Moeller, J Nachtman, CR Newsom, E Norbeck, Y Onel, F Ozok, S Sen, P Tan, E Tiras, J Wetzel, T Yetkin, K Yi, BA Barnett, B Blumenfeld, S Bolognesi, D Fehling, G Giurgiu, AV Gritsan, ZJ Guo, G Hu, P Maksimovic, S Rappoccio, M Swartz, A Whitbeck, P Baringer, A Bean, G Benelli, RP Kenny Iii, M Murray, D Noonan, S Sanders, R Stringer, G Tinti, JS Wood, V Zhukova, AF Barfuss, T Bolton, I Chakaberia, A Ivanov, S Khalil, M Makouski, Y Maravin, S Shrestha, I Svintradze, J Gronberg, D Lange, D Wright, A Baden, M Boutemeur, B Calvert, SC Eno, JA Gomez, NJ Hadley, RG Kellogg, M Kirn, T Kolberg, Y Lu, M Marionneau, AC Mignerey, K Pedro, A Skuja, J Temple, MB Tonjes, SC Tonwar, E Twedt, A Apyan, G Bauer, J Bendavid, W Busza, E Butz, IA Cali, M Chan, V Dutta, G Gomez Ceballos, M Goncharov, KA Hahn, Y Kim, M Klute, K Krajczar, PD Luckey, T Ma, S Nahn, C Paus, D Ralph, C Roland, G Roland, M Rudolph, GSF Stephans, F Stöckli, K Sumorok, K Sung, D Velicanu, EA Wenger, R Wolf, B Wyslouch, M Yang, Y Yilmaz, AS Yoon, M Zanetti, SI Cooper, B Dahmes, A De Benedetti, G Franzoni, A Gude, SC Kao, K Klapoetke, Y Kubota, J Mans, N Pastika, R Rusack, M Sasseville, A Singovsky, N Tambe, J Turkewitz, LM Cremaldi, R Kroeger, L Perera, R Rahmat, DA Sanders, E Avdeeva, K Bloom, S Bose, DR Claes, A Dominguez, M Eads, J Keller, I Kravchenko, J Lazo-Flores, H Malbouisson, S Malik, GR Snow, A Godshalk, I Iashvili, S Jain, A Kharchilava, A Kumar, G Alverson, E Barberis, D Baumgartel, M Chasco, J Haley, D Nash, D Trocino, D Wood, J Zhang, A Anastassov, A Kubik, L Lusito, N Mucia, N Odell, RA Ofierzynski, B Pollack, A Pozdnyakov, M Schmitt, S Stoynev, M Velasco, S Won, L Antonelli, D Berry, A Brinkerhoff, KM Chan, M Hildreth, C Jessop, DJ Karmgard, J Kolb, K Lannon, W Luo, S Lynch, N Marinelli, DM Morse, T Pearson, M Planer, R Ruchti, J Slaunwhite, N Valls, M Wayne, M Wolf, B Bylsma, LS Durkin, C Hill, R Hughes, K Kotov, TY Ling, D Puigh, M Rodenburg, C Vuosalo, G Williams, BL Winer, N Adam, E Berry, P Elmer, D Gerbaudo, V Halyo, P Hebda, J Hegeman, A Hunt, P Jindal, D Lopes Pegna, P Lujan, D Marlow, T Medvedeva, M Mooney, J Olsen, P Piroué, X Quan, A Raval, B Safdi, H Saka, D Stickland, C Tully, JS Werner, A Zuranski, E Brownson, A Lopez, H Mendez, JE Ramirez Vargas, E Alagoz, VE Barnes, D Benedetti, G Bolla, D Bortoletto, M De Mattia, A Everett, Z Hu, M Jones, O Koybasi, M Kress, AT Laasanen, N Leonardo, V Maroussov, P Merkel, DH Miller, N Neumeister, I Shipsey, D Silvers, A Svyatkovskiy, M Vidal Marono, HD Yoo, J Zablocki, Y Zheng, S Guragain, N Parashar, A Adair, C Boulahouache, KM Ecklund, FJM Geurts, W Li, BP Padley, R Redjimi, J Roberts, J Zabel, B Betchart, A Bodek, YS Chung, R Covarelli, P de Barbaro, R Demina, Y Eshaq, T Ferbel, A Garcia-Bellido, P Goldenzweig, J Han, A Harel, DC Miner, D Vishnevskiy, M Zielinski, A Bhatti, R Ciesielski, L Demortier, K Goulianos, G Lungu, S Malik, C Mesropian, S Arora, A Barker, JP Chou, C Contreras-Campana, E Contreras-Campana, D Duggan, D Ferencek, Y Gershtein, R Gray, E Halkiadakis, D Hidas, A Lath, S Panwalkar, M Park, R Patel, V Rekovic, J Robles, K Rose, S Salur, S Schnetzer, C Seitz, S Somalwar, R Stone, S Thomas, M Walker, G Cerizza, M Hollingsworth, S Spanier, ZC Yang, A York, R Eusebi, W Flanagan, J Gilmore, T Kamon, V Khotilovich, R Montalvo, I Osipenkov, Y Pakhotin, A Perloff, J Roe, A Safonov, T Sakuma, S Sengupta, I Suarez, A Tatarinov, D Toback, N Akchurin, J Damgov, C Dragoiu, PR Dudero, C Jeong, K Kovitanggoon, SW Lee, T Libeiro, Y Roh, I Volobouev, E Appelt, AG Delannoy, C Florez, S Greene, A Gurrola, W Johns, P Kurt, C Maguire, A Melo, M Sharma, P Sheldon, B Snook, S Tuo, J Velkovska, MW Arenton, M Balazs, S Boutle, B Cox, B Francis, J Goodell, R Hirosky, A Ledovskoy, C Lin, C Neu, J Wood, S Gollapinni, R Harr, PE Karchin, C Kottachchi Kankanamge Don, P Lamichhane, A Sakharov, M Anderson, DA Belknap, L Borrello, D Carlsmith, M Cepeda, S Dasu, E Friis, L Gray, KS Grogg, M Grothe, R Hall-Wilton, M Herndon, A Hervé, P Klabbers, J Klukas, A Lanaro, C Lazaridis, J Leonard, R Loveless, A Mohapatra, I Ojalvo, F Palmonari, GA Pierro, I Ross, A Savin, WH Smith, J Swanson, CMS CollaborationAbstract:
An inclusive search is presented for new heavy particle pairs produced in √s=7 TeV proton-proton collisions at the LHC using 4.7±0.1 fb(-1) of integrated luminosity. The selected events are analyzed in the 2D razor space of M(R), an event-by-event indicator of the heavy particle mass scale, and R, a dimensionless variable related to the missing transverse energy. The third-generation sector is probed using the event heavy-flavor content. The search is sensitive to generic supersymmetry models with minimal assumptions about the superpartner decay chains. No excess is observed in the number of events beyond that predicted by the standard model. Exclusion limits are derived in the CMSSM framework as well as for simplified models. Within the CMSSM parameter space considered, gluino masses up to 800 GeV and squark masses up to 1.35 TeV are excluded at 95% confidence level depending on the model parameters. The direct production of pairs of top or bottom squarks is excluded for masses as high as 400 GeV.A Direct Measurement of the Total Decay Width of the Top Quark
(2013)
Authors:
CDF Collaboration, T Aaltonen, S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, JA Appel, T Arisawa, A Artikov, J Asaadi, W Ashmanskas, B Auerbach, A Aurisano, F Azfar, W Badgett, T Bae, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Barria, P Bartos, M Bauce, F Bedeschi, S Behari, G Bellettini, J Bellinger, D Benjamin, A Beretvas, A Bhatti, KR Bland, B Blumenfeld, A Bocci, A Bodek, D Bortoletto, J Boudreau, A Boveia, L Brigliadori, C Bromberg, E Brucken, J Budagov, HS Budd, K Burkett, G Busetto, P Bussey, P Butti, A Buzatu, A Calamba, S Camarda, M Campanelli, F Canelli, B Carls, D Carlsmith, R Carosi, S Carrillo, B Casal, M Casarsa, A Castro, P Catastini, D Cauz, V Cavaliere, M Cavalli-Sforza, A Cerri, L Cerrito, YC Chen, M Chertok, G Chiarelli, G Chlachidze, K Cho, D Chokheli, A Clark, C Clarke, ME Convery, J Conway, M Corbo, M Cordelli, CA Cox, DJ Cox, M Cremonesi, D Cruz, J Cuevas, R Culbertson, N d'Ascenzo, M Datta, P de Barbaro, L Demortier, L Marchese, M Deninno, F Devoto, M D'Errico, A Di Canto, B Di Ruzza, JR Dittmann, M D'Onofrio, S Donati, M Dorigo, A Driutti, K Ebina, R Edgar, A Elagin, R Erbacher, S Errede, B Esham, S Farrington, JP Fernández Ramos, R Field, G Flanagan, R Forrest, M Franklin, JC Freeman, H Frisch, Y Funakoshi, C Galloni, AF Garfinkel, P Garosi, H Gerberich, E Gerchtein, S Giagu, V Giakoumopoulou, K Gibson, CM Ginsburg, N Giokaris, P Giromini, G Giurgiu, V Glagolev, D Glenzinski, M Gold, D Goldin, A Golossanov, G Gomez, G Gomez-Ceballos, M Goncharov, O González López, I Gorelov, AT Goshaw, K Goulianos, E Gramellini, S Grinstein, C Grosso-Pilcher, RC Group, J Guimaraes da Costa, SR Hahn, JY Han, F Happacher, K Hara, M Hare, RF Harr, T Harrington-Taber, K Hatakeyama, C Hays, J Heinrich, M Herndon, A Hocker, Z Hong, W Hopkins, S Hou, RE Hughes, U Husemann, M Hussein, J Huston, G Introzzi, M Iori, A Ivanov, E James, D Jang, B Jayatilaka, EJ Jeon, S Jindariani, M Jones, KK Joo, SY Jun, TR Junk, M Kambeitz, T Kamon, PE Karchin, A Kasmi, Y Kato, W Ketchum, J Keung, B Kilminster, DH Kim, HS Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kim, YJ Kim, N Kimura, M Kirby, K Knoepfel, K Kondo, DJ Kong, J Konigsberg, AV Kotwal, M Kreps, J Kroll, M Kruse, T Kuhr, M Kurata, AT Laasanen, S Lammel, M Lancaster, K Lannon, G Latino, HS Lee, JS Lee, S Leo, S Leone, JD Lewis, A Limosani, E Lipeles, A Lister, H Liu, Q Liu, T Liu, S Lockwitz, A Loginov, A Lucà, D Lucchesi, J Lueck, P Lujan, P Lukens, G Lungu, J Lys, R Lysak, R Madrak, P Maestro, S Malik, G Manca, A Manousakis-Katsikakis, F Margaroli, P Marino, M Martínez, K Matera, ME Mattson, A Mazzacane, P Mazzanti, R McNulty, A Mehta, P Mehtala, C Mesropian, T Miao, D Mietlicki, A Mitra, H Miyake, S Moed, N Moggi, CS Moon, R Moore, MJ Morello, A Mukherjee, Th Muller, P Murat, M Mussini, J Nachtman, Y Nagai, J Naganoma, I Nakano, A Napier, J Nett, C Neu, T Nigmanov, L Nodulman, SY Noh, O Norniella, L Oakes, SH Oh, YD Oh, I Oksuzian, T Okusawa, R Orava, L Ortolan, C Pagliarone, E Palencia, P Palni, V Papadimitriou, W Parker, G Pauletta, M Paulini, C Paus, TJ Phillips, G Piacentino, E Pianori, J Pilot, K Pitts, C Plager, L Pondrom, S Poprocki, K Potamianos, F Prokoshin, A Pranko, F Ptohos, G Punzi, N Ranjan, I Redondo Fernández, P Renton, M Rescigno, F Rimondi, L Ristori, A Robson, T Rodriguez, S Rolli, M Ronzani, R Roser, JL Rosner, F Ruffini, A Ruiz, J Russ, V Rusu, WK Sakumoto, Y Sakurai, L Santi, K Sato, V Saveliev, A Savoy-Navarro, P Schlabach, EE Schmidt, T Schwarz, L Scodellaro, F Scuri, S Seidel, Y Seiya, A Semenov, F Sforza, SZ Shalhout, T Shears, PF Shepard, M Shimojima, M Shochet, I Shreyber-Tecker, A Simonenko, K Sliwa, JR Smith, FD Snider, V Sorin, H Song, M Stancari, R St Denis, D Stentz, J Strologas, Y Sudo, A Sukhanov, I Suslov, K Takemasa, Y Takeuchi, J Tang, M Tecchio, PK Teng, J Thom, E Thomson, V Thukral, D Toback, S Tokar, K Tollefson, T Tomura, D Tonelli, S Torre, D Torretta, P Totaro, M Trovato, F Ukegawa, S Uozumi, F Vázquez, G Velev, C Vellidis, C Vernieri, M Vidal, R Vilar, J Vizán, M Vogel, G Volpi, P Wagner, R Wallny, SM Wang, D Waters, WC Wester, D Whiteson, AB Wicklund, S Wilbur, HH Williams, JS Wilson, P Wilson, BL Winer, P Wittich, S Wolbers, H Wolfe, T Wright, X Wu, Z Wu, K Yamamoto, D Yamato, T Yang, UK Yang, YC Yang, W-M Yao, GP Yeh, K Yi, J Yoh, K Yorita, T Yoshida, GB Yu, I Yu, AM Zanetti, Y Zeng, C Zhou, S ZucchelliA Direct Measurement of the Total Decay Width of the Top Quark
ArXiv 1308.405 (2013)
Authors:
CDF Collaboration, T Aaltonen, S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, JA Appel, T Arisawa, A Artikov, J Asaadi, W Ashmanskas, B Auerbach, A Aurisano, F Azfar, W Badgett, T Bae, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Barria, P Bartos, M Bauce, F Bedeschi, S Behari, G Bellettini, J Bellinger, D Benjamin, A Beretvas, A Bhatti, KR Bland, B Blumenfeld, A Bocci, A Bodek, D Bortoletto, J Boudreau, A Boveia, L Brigliadori, C Bromberg, E Brucken, J Budagov, HS Budd, K Burkett, G Busetto, P Bussey, P Butti, A Buzatu, A Calamba, S Camarda, M Campanelli, F Canelli, B Carls, D Carlsmith, R Carosi, S Carrillo, B Casal, M Casarsa, A Castro, P Catastini, D Cauz, V Cavaliere, M Cavalli-Sforza, A Cerri, L Cerrito, YC Chen, M Chertok, G Chiarelli, G Chlachidze, K Cho, D Chokheli, A Clark, C Clarke, ME Convery, J Conway, M Corbo, M Cordelli, CA Cox, DJ Cox, M Cremonesi, D Cruz, J Cuevas, R Culbertson, N d'Ascenzo, M Datta, P de Barbaro, L Demortier, L Marchese, M Deninno, F Devoto, M D'Errico, A Di Canto, B Di Ruzza, JR Dittmann, M D'Onofrio, S Donati, M Dorigo, A Driutti, K Ebina, R Edgar, A Elagin, R Erbacher, S Errede, B Esham, S Farrington, JP Fernández Ramos, R Field, G Flanagan, R Forrest, M Franklin, JC Freeman, H Frisch, Y Funakoshi, C Galloni, AF Garfinkel, P Garosi, H Gerberich, E Gerchtein, S Giagu, V Giakoumopoulou, K Gibson, CM Ginsburg, N Giokaris, P Giromini, G Giurgiu, V Glagolev, D Glenzinski, M Gold, D Goldin, A Golossanov, G Gomez, G Gomez-Ceballos, M Goncharov, O González López, I Gorelov, AT Goshaw, K Goulianos, E Gramellini, S Grinstein, C Grosso-Pilcher, RC Group, J Guimaraes da Costa, SR Hahn, JY Han, F Happacher, K Hara, M Hare, RF Harr, T Harrington-Taber, K Hatakeyama, C Hays, J Heinrich, M Herndon, A Hocker, Z Hong, W Hopkins, S Hou, RE Hughes, U Husemann, M Hussein, J Huston, G Introzzi, M Iori, A Ivanov, E James, D Jang, B Jayatilaka, EJ Jeon, S Jindariani, M Jones, KK Joo, SY Jun, TR Junk, M Kambeitz, T Kamon, PE Karchin, A Kasmi, Y Kato, W Ketchum, J Keung, B Kilminster, DH Kim, HS Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kim, YJ Kim, N Kimura, M Kirby, K Knoepfel, K Kondo, DJ Kong, J Konigsberg, AV Kotwal, M Kreps, J Kroll, M Kruse, T Kuhr, M Kurata, AT Laasanen, S Lammel, M Lancaster, K Lannon, G Latino, HS Lee, JS Lee, S Leo, S Leone, JD Lewis, A Limosani, E Lipeles, A Lister, H Liu, Q Liu, T Liu, S Lockwitz, A Loginov, A Lucà, D Lucchesi, J Lueck, P Lujan, P Lukens, G Lungu, J Lys, R Lysak, R Madrak, P Maestro, S Malik, G Manca, A Manousakis-Katsikakis, F Margaroli, P Marino, M Martínez, K Matera, ME Mattson, A Mazzacane, P Mazzanti, R McNulty, A Mehta, P Mehtala, C Mesropian, T Miao, D Mietlicki, A Mitra, H Miyake, S Moed, N Moggi, CS Moon, R Moore, MJ Morello, A Mukherjee, Th Muller, P Murat, M Mussini, J Nachtman, Y Nagai, J Naganoma, I Nakano, A Napier, J Nett, C Neu, T Nigmanov, L Nodulman, SY Noh, O Norniella, L Oakes, SH Oh, YD Oh, I Oksuzian, T Okusawa, R Orava, L Ortolan, C Pagliarone, E Palencia, P Palni, V Papadimitriou, W Parker, G Pauletta, M Paulini, C Paus, TJ Phillips, G Piacentino, E Pianori, J Pilot, K Pitts, C Plager, L Pondrom, S Poprocki, K Potamianos, F Prokoshin, A Pranko, F Ptohos, G Punzi, N Ranjan, I Redondo Fernández, P Renton, M Rescigno, F Rimondi, L Ristori, A Robson, T Rodriguez, S Rolli, M Ronzani, R Roser, JL Rosner, F Ruffini, A Ruiz, J Russ, V Rusu, WK Sakumoto, Y Sakurai, L Santi, K Sato, V Saveliev, A Savoy-Navarro, P Schlabach, EE Schmidt, T Schwarz, L Scodellaro, F Scuri, S Seidel, Y Seiya, A Semenov, F Sforza, SZ Shalhout, T Shears, PF Shepard, M Shimojima, M Shochet, I Shreyber-Tecker, A Simonenko, K Sliwa, JR Smith, FD Snider, V Sorin, H Song, M Stancari, R St Denis, D Stentz, J Strologas, Y Sudo, A Sukhanov, I Suslov, K Takemasa, Y Takeuchi, J Tang, M Tecchio, PK Teng, J Thom, E Thomson, V Thukral, D Toback, S Tokar, K Tollefson, T Tomura, D Tonelli, S Torre, D Torretta, P Totaro, M Trovato, F Ukegawa, S Uozumi, F Vázquez, G Velev, C Vellidis, C Vernieri, M Vidal, R Vilar, J Vizán, M Vogel, G Volpi, P Wagner, R Wallny, SM Wang, D Waters, WC Wester III, D Whiteson, AB Wicklund, S Wilbur, HH Williams, JS Wilson, P Wilson, BL Winer, P Wittich, S Wolbers, H Wolfe, T Wright, X Wu, Z Wu, K Yamamoto, D Yamato, T Yang, UK Yang, YC Yang, W-M Yao, GP Yeh, K Yi, J Yoh, K Yorita, T Yoshida, GB Yu, I Yu, AM Zanetti, Y Zeng, C Zhou, S ZucchelliAbstract:
We present a measurement of the total decay width of the top quark using events with top-antitop-quark pair candidates reconstructed in the final state with one charged lepton and four or more hadronic jets. We use the full Tevatron Run II data set of $\sqrt{s} = 1.96$ TeV proton-antiproton collisions recorded by the CDF II detector. The top-quark mass and the mass of the hadronically-decaying $W$ boson are reconstructed for each event and compared with distributions derived from simulated signal and background samples to extract the top-quark width (\gmt) and the energy scale of the calorimeter jets with {\it in-situ} calibration. For a top-quark mass $\mtop = \gevcc{172.5}$, we find $1.10<\gmt<\gev{4.05}$ at 68% confidence level, which is in agreement with the standard-model expectation of \gev{1.3} and is the most precise direct measurement of the top-quark width to date.Measurement of the W-boson helicity in top-quark decays from ttbar production in lepton+jets events in pp collisions at sqrt(s) = 7 TeV
ArXiv 1308.3879 (2013)
Angular analysis and branching fraction measurement of the decay B0 to K*0 mu+ mu-
ArXiv 1308.3409 (2013)