Measurement of the forward-backward asymmetry in the BK*(+)(-) decay and first observation of the B(s)0(+)(-) decay.
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We reconstruct the rare decays B(+)K(+)(+0(-0, B90)K*(892)(0)(+)(-), and B(s)(0)(1020)(+)(-) in a data sample corresponding to 4.4fb(-1) collected in pp collisions at [s]=1.96TeV by the CDF II detector at the Tevatron Collider. Using 12116 B(+)K(+)(+)(-) and 10112 B(0)K(*0)(+)(-) decays we report the branching ratios. In addition, we report the differential branching ratio and the muon forward-backward asymmetry in the B(+) and B(0) decay modes, and the K(*0) longitudinal polarization fraction in the B(0) decay mode with respect to the squared dimuon mass. These are consistent with the predictions, and most recent determinations from other experiments and of comparable accuracy. We also report the first observation of the B(s)(0)(+)(-) decay and measure its branching ratio BR(B(s)(0)(+)(-))=[1.440.330.46]10(-6) using 276 signal events. This is currently the most rare B(s)(0) decay observed.
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Aaltonen, T., Gonzlez, B. A., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., ... CDF Collaboration.
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Aaltonen, T||González, B Alvarez||Amerio, S||Amidei, D||Anastassov, A||Annovi, A||Antos, J||Apollinari, G||Appel, JA||Apresyan, A||Arisawa, T||Artikov, A||Asaadi, J||Ashmanskas, W||Auerbach, B||Aurisano, A||Azfar, F||Badgett, W||Barbaro-Galtieri, A||Barnes, VE||Barnett, BA||Barria, P||Bartos, P||Bauce, M||Bauer, G||Bedeschi, F||Beecher, D||Behari, S||Bellettini, G||Bellinger, J||Benjamin, D||Beretvas, A||Bhatti, A||Binkley, M||Bisello, D||Bizjak, I||Bland, KR||Blocker, C||Blumenfeld, B||Bocci, A||Bodek, A||Bortoletto, D||Boudreau, J||Boveia, A||Brau, B||Brigliadori, L||Brisuda, A||Bromberg, C||Brucken, E||Bucciantonio, M||Budagov, J||Budd, HS||Budd, S||Burkett, K||Busetto, G||Bussey, P||Buzatu, A||Cabrera, S||Calancha, C||Camarda, S||Campanelli, M||Campbell, M||Canelli, F||Canepa, A||Carls, B||Carlsmith, D||Carosi, R||Carrillo, S||Carron, S||Casal, B||Casarsa, M||Castro, A||Catastini, P||Cauz, D||Cavaliere, V||Cavalli-Sforza, M||Cerri, A||Cerrito, L||Chen, YC||Chertok, M||Chiarelli, G||Chlachidze, G||Chlebana, F||Cho, K||Chokheli, D||Chou, JP||Chung, WH||Chung, YS||Ciobanu, CI||Ciocci, MA||Clark, A||Clark, D||Compostella, G||Convery, ME||Conway, J||Corbo, M||Cordelli, M||Cox, CA||Cox, DJ||Crescioli, F||Almenar, C Cuenca||Cuevas, J||Culbertson, R||Dagenhart, D||d'Ascenzo, N||Datta, M||de Barbaro, P||De Cecco, S||De Lorenzo, G||Dell'Orso, M||Deluca, C||Demortier, L||Deng, J||Deninno, M||Devoto, F||d'Errico, M||Di Canto, A||Di Ruzza, B||Dittmann, JR||D'Onofrio, M||Donati, S||Dong, P||Dorigo, T||Ebina, K||Elagin, A||Eppig, A||Erbacher, R||Errede, D||Errede, S||Ershaidat, N||Eusebi, R||Fang, HC||Farrington, S||Feindt, M||Fernandez, JP||Ferrazza, C||Field, R||Flanagan, G||Forrest, R||Frank, MJ||Franklin, M||Freeman, JC||Furic, I||Gallinaro, M||Galyardt, J||Garcia, JE||Garfinkel, AF||Garosi, P||Gerberich, H||Gerchtein, E||Giagu, S||Giakoumopoulou, V||Giannetti, P||Gibson, K||Ginsburg, CM||Giokaris, N||Giromini, P||Giunta, M||Giurgiu, G||Glagolev, V||Glenzinski, D||Gold, M||Goldin, D||Goldschmidt, N||Golossanov, A||Gomez, G||Gomez-Ceballos, G||Goncharov, M||González, O||Gorelov, I||Goshaw, AT||Goulianos, K||Gresele, A||Grinstein, S||Grosso-Pilcher, C||Group, RC||da Costa, J Guimaraes||Gunay-Unalan, Z||Haber, C||Hahn, SR||Halkiadakis, E||Hamaguchi, A||Han, JY||Happacher, F||Hara, K||Hare, D||Hare, M||Harr, RF||Hatakeyama, K||Hays, C||Heck, M||Heinrich, J||Herndon, M||Hewamanage, S||Hidas, D||Hocker, A||Hopkins, W||Horn, D||Hou, S||Hughes, RE||Hurwitz, M||Husemann, U||Hussain, N||Hussein, M||Huston, J||Introzzi, G||Iori, M||Ivanov, A||James, E||Jang, D||Jayatilaka, B||Jeon, EJ||Jha, MK||Jindariani, S||Johnson, W||Jones, M||Joo, KK||Jun, SY||Junk, TR||Kamon, T||Karchin, PE||Kato, Y||Ketchum, W||Keung, J||Khotilovich, V||Kilminster, B||Kim, DH||Kim, HS||Kim, HW||Kim, JE||Kim, MJ||Kim, SB||Kim, SH||Kim, YK||Kimura, N||Klimenko, S||Kondo, K||Kong, DJ||Konigsberg, J||Korytov, A||Kotwal, AV||Kreps, M||Kroll, J||Krop, D||Krumnack, N||Kruse, M||Krutelyov, V||Kuhr, T||Kurata, M||Kwang, S||Laasanen, AT||Lami, S||Lammel, S||Lancaster, M||Lander, RL||Lannon, K||Lath, A||Latino, G||Lazzizzera, I||LeCompte, T||Lee, E||Lee, HS||Lee, JS||Lee, SW||Leo, S||Leone, S||Lewis, JD||Lin, C-J||Linacre, J||Lindgren, M||Lipeles, E||Lister, A||Litvintsev, DO||Liu, C||Liu, Q||Liu, T||Lockwitz, S||Lockyer, NS||Loginov, A||Lucchesi, D||Lueck, J||Lujan, P||Lukens, P||Lungu, G||Lys, J||Lysak, R||Madrak, R||Maeshima, K||Makhoul, K||Maksimovic, P||Malik, S||Manca, G||Manousakis-Katsikakis, A||Margaroli, F||Marino, C||Martínez, M||Martínez-Ballarín, R||Mastrandrea, P||Mathis, M||Mattson, ME||Mazzanti, P||McFarland, KS||McIntyre, P||McNulty, R||Mehta, A||Mehtala, P||Menzione, A||Mesropian, C||Miao, T||Mietlicki, D||Mitra, A||Miyake, H||Moed, S||Moggi, N||Mondragon, MN||Moon, CS||Moore, R||Morello, MJ||Morlock, J||Fernandez, P Movilla||Mukherjee, A||Muller, Th||Murat, P||Mussini, M||Nachtman, J||Nagai, Y||Naganoma, J||Nakano, I||Napier, A||Nett, J||Neu, C||Neubauer, MS||Nielsen, J||Nodulman, L||Norniella, O||Nurse, E||Oakes, L||Oh, SH||Oh, YD||Oksuzian, I||Okusawa, T||Orava, R||Ortolan, L||Griso, S Pagan||Pagliarone, C||Palencia, E||Papadimitriou, V||Paramonov, AA||Patrick, J||Pauletta, G||Paulini, M||Paus, C||Pellett, DE||Penzo, A||Phillips, TJ||Piacentino, G||Pianori, E||Pilot, J||Pitts, K||Plager, C||Pondrom, L||Potamianos, K||Poukhov, O||Prokoshin, F||Pronko, A||Ptohos, F||Pueschel, E||Punzi, G||Pursley, J||Rahaman, A||Ramakrishnan, V||Ranjan, N||Redondo, I||Renton, P||Rescigno, M||Rimondi, F||Ristori, L||Robson, A||Rodrigo, T||Rodriguez, T||Rogers, E||Rolli, S||Roser, R||Rossi, M||Ruffini, F||Ruiz, A||Russ, J||Rusu, V||Safonov, A||Sakumoto, WK||Santi, L||Sartori, L||Sato, K||Saveliev, V||Savoy-Navarro, A||Schlabach, P||Schmidt, A||Schmidt, EE||Schmidt, MP||Schmitt, M||Schwarz, T||Scodellaro, L||Scribano, A||Scuri, F||Sedov, A||Seidel, S||Seiya, Y||Semenov, A||Sforza, F||Sfyrla, A||Shalhout, SZ||Shears, T||Shepard, PF||Shimojima, M||Shiraishi, S||Shochet, M||Shreyber, I||Simonenko, A||Sinervo, P||Sissakian, A||Sliwa, K||Smith, JR||Snider, FD||Soha, A||Somalwar, S||Sorin, V||Squillacioti, P||Stanitzki, M||St Denis, R||Stelzer, B||Stelzer-Chilton, O||Stentz, D||Strologas, J||Strycker, GL||Sudo, Y||Sukhanov, A||Suslov, I||Takemasa, K||Takeuchi, Y||Tang, J||Tecchio, M||Teng, PK||Thom, J||Thome, J||Thompson, GA||Thomson, E||Ttito-Guzmán, P||Tkaczyk, S||Toback, D||Tokar, S||Tollefson, K||Tomura, T||Tonelli, D||Torre, S||Torretta, D||Totaro, P||Trovato, M||Tu, Y||Turini, N||Ukegawa, F||Uozumi, S||Varganov, A||Vataga, E||Vázquez, F||Velev, G||Vellidis, C||Vidal, M||Vila, I||Vilar, R||Vogel, M||Volpi, G||Wagner, P||Wagner, RL||Wakisaka, T||Wallny, R||Wang, SM||Warburton, A||Waters, D||Weinberger, M||Wester, WC||Whitehouse, B||Whiteson, D||Wicklund, AB||Wicklund, E||Wilbur, S||Wick, F||Williams, HH||Wilson, JS||Wilson, P||Winer, BL||Wittich, P||Wolbers, S||Wolfe, H||Wright, T||Wu, X||Wu, Z||Yamamoto, K||Yamaoka, J||Yang, T||Yang, UK||Yang, YC||Yao, W-M||Yeh, GP||Yi, K||Yoh, J||Yorita, K||Yoshida, T||Yu, GB||Yu, I||Yu, SS||Yun, JC||Zanetti, A||Zeng, Y||Zucchelli, S
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49 Mathematical Sciences
4902 Mathematical Physics
51 Physical Sciences
5106 Nuclear And Plasma Physics
5107 Particle And High Energy Physics
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http://dx.doi.org/10.1103/physrevlett.106.161801