Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at root s = 7 TeV, undertaken with the CMS experiment at the LHC. The b' quarks are assumed to decay exclusively to tW. The b'(b') over bar -> tW(-)(t) over barW(+) process can be identified by its distinctive signatures of three leptons or two leptons of same charge, and at least one b-quark jet. Using a data sample corresponding to an integrated luminosity of 4.9 fb(-1), observed events are compared to the standard model background predictions, and the existence of b' quarks having masses below 611 GeV/c(2) is excluded at 95% confidence level.
Chatrchyan, S., Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., et al. (2012). Search for heavy bottom-like quarks in 4.9 fb-1 of pp collisions at √s = 7 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2012(5) [10.1007/JHEP05(2012)123].
Search for heavy bottom-like quarks in 4.9 fb-1 of pp collisions at √s = 7 TeV
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Futyan, D; Gilbert, A; Bryer, AG; Hall, G; Hatherell, Z; Hays, J; Iles, G; Jarvis, M; Karapostoli, G; Lyons, L; Magnan, A; Marrouche, J; Mathias, B; Nandi, R; Nash, J; Nikitenko, A; Papageorgiou, A; Pela, J; Pesaresi, M; Petridis, K; Pioppi, M; Raymond, DM; Rogerson, S; Rompotis, N; Rose, A; Ryan, MJ; Seez, C; Sharp, P; Sparrow, A; Tapper, A; Acosta, MV; Virdee, T; Wakefield, S; Wardle, N; Whyntie, T; Barrett, M; Chadwick, M; Cole, JE; Hobson, PR; Khan, A; Kyberd, P; Leggat, D; Leslie, D; Martin, W; Reid, ID; Symonds, P; Teodorescu, L; Turner, M; Hatakeyama, K; Liu, H; Scarborough, T; Henderson, C; Rumerio, P; Avetisyan, A; Bose, T; Fantasia, C; Heister, A; John, JS; Lawson, P; Lazic, D; Rohlf, J; Sperka, D; Sulak, L; Alimena, J; Bhattacharya, S; Cutts, D; Ferapontov, A; Heintz, U; Jabeen, S; Kukartsev, G; Landsberg, G; Luk, M; Narain, M; Nguyen, D; Segala, M; Sinthuprasith, T; Speer, T; Tsang, KV; Breedon, R; Breto, G; Barca Sanchez, MC; Chauhan, S; Chertok, M; Conway, J; Conway, R; Cox, PT; Dolen, J; Erbacher, R; Gardner, M; Houtz, R; Ko, W; Kopecky, A; Lander, R; Mall, O; Miceli, T; Nelson, R; Pellett, D; Rutherford, B; Searle, M; Smith, J; Squires, M; Tripathi, M; Sierra, RV; Andreev, V; Cline, D; Cousins, R; Duris, J; Erhan, S; Everaerts, P; Farrell, C; Hauser, J; Ignatenko, M; Plager, C; Rakness, G; Schlein, P; Tucker, J; Valuev, V; Weber, M; Babb, J; Clare, R; DINARDO, MAURO EMANUELE ;Ellison, J; Gary, JW; Giordano, F; Hanson, G; Jeng, GY; Liu, H; Long, OR; Luthra, A; Nguyen, H; Paramesvaran, S; Sturdy, J; Sumowidagdo, S; Wilken, R; Wimpenny, S; Andrews, W; Branson, JG; Cerati, GB; Cittolin, S; Evans, D; Golf, F; Holzner, A; Kelley, R; Lebourgeois, M; Letts, J; Macneill, I; Mangano, B; Muelmenstaedt, J; Padhi, S; Palmer, C; Petrucciani, G; Pieri, M; Ranieri, R; Sani, M; Sharma, V; Simon, S; Sudano, E; Tadel, M; Tu, Y; Vartak, A; Wasserbaech, S; Würthwein, F; Yagil, A; Yoo, J; Barge, D; Bellan, R; Campagnari, C; D’Alfonso, M; Danielson, T; Flowers, K; Geffert, P; Incandela, J; Justus, C; Kalavase, P; Koay, SA; Kovalskyi, D; Krutelyov, V; Lowette, S; Mccoll, N; Pavlunin, V; Rebassoo, F; Ribnik, J; Richman, J; Rossin, R; Stuart, D; To, W; West, C; Apresyan, A; Bornheim, A; Chen, Y; Marco, E; Duarte, J; Gataullin, M; Ma, Y; Mott, A; Newman, HB; Rogan, C; Timciuc, V; Traczyk, P; Veverka, J; Wilkinson, R; Yang, Y; Zhu, RY; Akgun, B; Carroll, R; Ferguson, T; Iiyama, Y; Jang, DW; Liu, YF; Paulini, M; Vogel, H; Vorobiev, I; Cumalat, JP; Drell, BR; Edelmaier, CJ; Ford, WT; Gaz, A; Heyburn, B; Lopez, EL; Smith, JG; Stenson, K; Ulmer, KA; Wagner, SR; Agostino, L; Alexander, J; Chatterjee, A; Eggert, N; Gibbons, LK; Heltsley, B; Hopkins, W; Khukhunaishvili, A; Kreis, B; Mirman, N; Kaufman, GN; Patterson, JR; Ryd, A; Salvati, E; Sun, W; Teo, WD; Thom, J; Thompson, J; Vaughan, J; Weng, Y; Winstrom, L; Wittich, P; Winn, D; Abdullin, S; Albrow, M; Anderson, J; Bauerdick, LAT; Beretvas, A; Berryhill, J; Bhat, PC; Bloch, I; Burkett, K; Butler, JN; Chetluru, V; Cheung, HWK; Chlebana, F; Elvira, VD; Fisk, I; Freeman, J; Gao, Y; Green, D; Gutsche, O; Hahn, A; Hanlon, J; Harris, RM; Hirschauer, J; Hooberman, B; Jindariani, S; Johnson, M; Joshi, U; Kilminster, B; Klima, B; Kunori, S; Kwan, S; Lincoln, D; Lipton, R; Lueking, L; Lykken, J; Maeshima, K; Marraffino, JM; Maruyama, S; Mason, D; McBride, P; Mishra, K; Mrenna, S; Musienko, Y; Newman Holmes, C; O’Dell, V; Prokofyev, O; Sexton Kennedy, E; Sharma, S; Spalding, WJ; Spiegel, L; Tan, P; Taylor, L; Tkaczyk, S; Tran, NV; Uplegger, L; Vaandering, EW; Vidal, R; Whitmore, J; Wu, W; Yang, F; Yumiceva, F; Yun, JC; Acosta, D; Avery, P; Bourilkov, D; Chen, M; Das, S; Gruttola, M; Giovanni, GP; Dobur, D; Drozdetskiy, A; Field, RD; Fisher, M; Fu, Y; Furic, IK; Gartner, J; Hugon, J; Kim, B; Konigsberg, J; Korytov, A; Kropivnitskaya, A; Kypreos, T; Low, JF; Matchev, K; Milenovic, P; Mitselmakher, G; Muniz, L; Remington, R; Rinkevicius, A; Sellers, P; Skhirtladze, N; Snowball, M; Yelton, J; Zakaria, M; Gaultney, V; Lebolo, LM; Linn, S; 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Murray, M; Noonan, D; Radicci, V; Sanders, S; Stringer, R; Tinti, G; Wood, JS; Zhukova, V; Barfuss, AF; Bolton, T; Chakaberia, I; Ivanov, A; Khalil, S; Makouski, M; Maravin, Y; Shrestha, S; Svintradze, I; Gronberg, J; Lange, D; Wright, D; Baden, A; Boutemeur, M; Calvert, B; Eno, SC; Gomez, JA; Hadley, NJ; Kellogg, RG; Kirn, M; Kolberg, T; Lu, Y; Marionneau, M; Mignerey, AC; Peterman, A; Rossato, K; Skuja, A; Temple, J; Tonjes, MB; Tonwar, SC; Twedt, E; Bauer, G; Bendavid, J; Busza, W; Butz, E; Cali, IA; Chan, M; Dutta, V; Ceballos, GG; Goncharov, M; Hahn, KA; Kim, Y; Klute, M; Lee, Y; Li, W; Luckey, PD; Ma, T; Nahn, S; Paus, C; Ralph, D; Roland, C; Roland, G; Rudolph, M; Stephans, GSF; Stockli, F; Sumorok, K; Sung, K; Velicanu, D; Wenger, EA; Wolf, R; Wyslouch, B; Xie, S; Yang, M; Yilmaz, Y; Yoon, AS; Zanetti, M; Cooper, SI; Cushman, P; Dahmes, B; Benedetti, A; Franzoni, G; Gude, A; Haupt, J; Kao, SC; Klapoetke, K; Kubota, Y; Mans, J; Pastika, N; Rusack, R; Sasseville, M; Singovsky, A; 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2012
Abstract
Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at root s = 7 TeV, undertaken with the CMS experiment at the LHC. The b' quarks are assumed to decay exclusively to tW. The b'(b') over bar -> tW(-)(t) over barW(+) process can be identified by its distinctive signatures of three leptons or two leptons of same charge, and at least one b-quark jet. Using a data sample corresponding to an integrated luminosity of 4.9 fb(-1), observed events are compared to the standard model background predictions, and the existence of b' quarks having masses below 611 GeV/c(2) is excluded at 95% confidence level.
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Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione.
