Measurement of the direct CP asymmetry in b -> s gamma decays

Aubert, B; Barate, R; Boutigny, D; Couderc, F; Gaillard, Jm; Hicheur, A; Karyotakis, Y; Lees, Jp; Tisserand, V; Zghiche, A; Palano, A; Pompili, A; Chen, Jc; Qi, Nd; Rong, G; Wang, P; Zhu, Ys; Eigen, G; Ofte, I; Stugu, B; Abrams, Gs; Borgland, Aw; Breon, Ab; Brown, Dn; Button-shafer, J; Cahn, Rn; Charles, E; Day, Ct; Gill, Ms; Gritsan, Av; Groysman, Y; Jacobsen, Rg; Kadel, Rw; Kadyk, J; Kerth, Lt; Kolomensky, Yg; Kukartsev, G; Leclerc, C; Lynch, G; Merchant, Am; Mir, Lm; Oddone, Pj; Orimoto, Tj; Pripstein, M; Roe, Na; Ronan, Mt; Shelkov, Vg; Wenzel, Wa; Ford, K; Harrison, Tj; Hawkes, Cm; Morgan, Se; Watson, At; Fritsch, M; Goetzen, K; Held, T; Koch, H; Lewandowski, B; Pelizaeus, M; Steinke, M; Boyd, Jt; Chevalier, N; Cottingham, Wn; Kelly, Mp; Latham, Te; Wilson, Ff; Cuhadar-donszelmann, T; Hearty, C; Knecht, Ns; Mattison, Ts; Mckenna, Ja; Thiessen, D; Khan, A; Kyberd, P; Teodorescu, L; Blinov, Ve; Bukin, Ad; Druzhinin, Vp; Golubev, Vb; Ivanchenko, Vn; Kravchenko, Ea; Onuchin, Ap; Serednyakov, Si; 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doi:10.1103/PhysRevB.93.021804

We describe a measurement of the direct CP asymmetry between inclusive b-->sgamma and (b) over bar -->(s) over bar gamma decays. This asymmetry is expected to be less than 0.01 in the standard model, but could be enhanced up to about 0.10 by new physics contributions. We use a sample of 89x10(6) B (B) over bar pairs recorded with the BABAR detector at SLAC PEP-II, from which we reconstruct a set of 12 exclusive b-->sgamma final states containing one charged or neutral kaon and one to three pions. We measure an asymmetry of A(CP)(b-->sgamma)=0.025+/-0.050(stat)+/-0.015(syst), corresponding to an allowed range of -0.06<A(CP)(b-->sgamma)<+0.11 at 90% confidence level. RI Patrignani, Claudia/C-5223-2009; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; crosetti, nanni/H-3040-2011; Roe, Natalie/A-8798-2012; Neri, Nicola/G-3991-2012; Monge, Maria Roberta/G-9127-2012; Sarti, Alessio/I-2833-2012

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/187502

Autori interni:	ANGELINI, CARLO BATIGNANI, GIOVANNI BETTARINI, STEFANO CALDERINI, GIOVANNI FORTI, FRANCESCO GIORGI, MARCELLO PAOLONI, EUGENIO RIZZO, GIULIANA
Autori:	Aubert B; Barate R; Boutigny D; Couderc F; Gaillard JM; Hicheur A; Karyotakis Y; Lees JP; Tisserand V; Zghiche A; Palano A; Pompili A; Chen JC; Qi ND; Rong G; Wang P; Zhu YS; Eigen G; Ofte I; Stugu B; Abrams GS; Borgland AW; Breon AB; Brown DN; Button-Shafer J; Cahn RN; Charles E; Day CT; Gill MS; Gritsan AV; Groysman Y; Jacobsen RG; Kadel RW; Kadyk J; Kerth LT; Kolomensky YG; Kukartsev G; LeClerc C; Lynch G; Merchant AM; Mir LM; Oddone PJ; Orimoto TJ; Pripstein M; Roe NA; Ronan MT; Shelkov VG; Wenzel WA; Ford K; Harrison TJ; Hawkes CM; Morgan SE; Watson AT; Fritsch M; Goetzen K; Held T; Koch H; Lewandowski B; Pelizaeus M; Steinke M; Boyd JT; Chevalier N; Cottingham WN; Kelly MP; Latham TE; Wilson FF; Cuhadar-Donszelmann T; Hearty C; Knecht NS; Mattison TS; McKenna JA; Thiessen D; Khan A; Kyberd P; Teodorescu L; Blinov VE; Bukin AD; Druzhinin VP; Golubev VB; Ivanchenko VN; Kravchenko EA; Onuchin AP; Serednyakov SI; Skovpen YI; Solodov EP; Yushkov AN; Best D; Bruinsma M; Chao M; Eschrich I; Kirkby D; Lankford AJ; Mandelkern M; Mommsen RK; Roethel W; Stoker DP; Buchanan C; Hartfiel BL; Gary JW; Shen BC; Wang K; del Re D; Hadavand HK; Hill EJ; MacFarlane DB; Paar HP; Rahatlou S; Sharma V; Berryhill JW; Campagnari C; Dahmes B; Levy SL; Long O; Lu A; Mazur MA; Richman JD; Verkerke W; Beck TW; Eisner AM; Heusch CA; Lockman WS; Schalk T; Schmitz RE; Schumm BA; Seiden A; Spradlin P; Williams DC; Wilson MG; Albert J; Chen E; Dubois-Felsmann GP; Dvoretskii A; Hitlin DG; Narsky I; Piatenko T; Porter FC; Ryd A; Samuel A; Yang S; Jayatilleke S; Mancinelli G; Meadows BT; Sokoloff MD; Abe T; Blanc F; Bloom P; Chen S; Ford WT; Nauenberg U; Olivas A; Rankin P; Smith JG; Zhang J; Zhang L; Chen A; Harton JL; Soffer A; Toki WH; Wilson RJ; Zeng QL; Altenburg D; Brandt T; Brose J; Colberg T; Dickopp M; Feltresi E; Hauke A; Lacker HM; Maly E; Muller-Pfefferkorn R; Nogowski R; Otto S; Petzold A; Schubert J; Schubert KR; Schwierz R; Spaan B; Sundermann JE; Bernard D; Bonneaud GR; Brochard F; Grenier P; Schrenk S; Thiebaux C; Vasileiadis G; Verderi M; Bard DJ; Clark PJ; Lavin D; Muheim F; Playfer S; Xie Y; Andreotti M; Azzolini V; Bettoni D; Bozzi C; Calabrese R; Cibinetto G; Luppi E; Negrini M; Piemontese L; Sarti A; Treadwell E; Baldini-Ferroli R; Calcaterra A; de Sangro R; Finocchiaro G; Patteri P; Piccolo M; Zallo A; Buzzo A; Capra R; Contri R; Crosetti G; Lo Vetere M; Macri M; Monge MR; Passaggio S; Patrignani C; Robutti E; Santroni A; Tosi S; Bailey S; Brandenburg G; Morii M; Won E; Dubitzky RS; Langenegger U; Bhimji W; Bowerman DA; Dauncey PD; Egede U; Gaillard JR; Morton GW; Nash JA; Taylor GP; Grenier GJ; Mallik U; Cochran J; Crawley HB; Lamsa J; Meyer WT; Prell S; Rosenberg EI; Yi J; Davier M; Grosdidier G; Hocker A; Laplace S; Diberder FL; Lepeltier V; Lutz AM; Petersen TC; Plaszczynski S; Schune MH; Tantot L; Wormser G; Cheng CH; Lange DJ; Simani MC; Wright DM; Bevan AJ; Coleman JP; Fry JR; Gabathuler E; Gamet R; Parry RJ; Payne DJ; Sloane RJ; Touramanis C; Back JJ; Cormack CM; Harrison PF; Mohanty GB; Brown CL; Cowan G; Flack RL; Flaecher HU; Green MG; Marker CE; McMahon TR; Ricciardi S; Salvatore F; Vaitsas G; Winter MA; Brown D; Davis CL; Allison J; Barlow NR; Barlow RJ; Hart PA; Hodgkinson MC; Lafferty GD; Lyon AJ; Williams JC; Farbin A; Hulsbergen WD; Jawahery A; Kovalskyi D; Lae CK; Lillard V; Roberts DA; Blaylock G; Dallapiccola C; Flood KT; Hertzbach SS; Kofler R; Koptchev VB; Moore TB; Saremi S; Staengle H; Willocq S; Cowan R; Sciolla G; Taylor F; Yamamoto RK; Mangeol DJJ; Patel PM; Robertson SH; Lazzaro A; Palombo F; Bauer JM; Cremaldi L; Eschenburg V; Godang R; Kroeger R; Reidy J; Sanders DA; Summers DJ; Zhao HW; Brunet S; Cote D; Taras P; Nicholson H; Cavallo N; Fabozzi F; Gatto C; Lista L; Monorchio D; Paolucci P; Piccolo D; Sciacca C; Baak M; Bulten H; Raven G; Wilden L; Jessop CP; LoSecco JM; Gabriel TA; Allmendinger T; Brau B; Gan KK; Honscheid K; Hufnagel D; Kagan H; Kass R; Pulliam T; Rahimi AM; Ter-Antonyan R; Wong QK; Brau J; Frey R; Igonkina O; Potter CT; Sinev NB; Strom D; Torrence E; Colecchia F; Dorigo A; Galeazzi F; Margoni M; Morandin M; Posocco M; Rotondo M; Simonetto F; Stroili R; Tiozzo G; Voci C; Benayoun M; Briand H; Chauveau J; David P; de la Vaissiere C; Buono LD; Hamon O; John MJJ; Leruste P; Ocariz J; Pivk M; Roos L; T'Jampens S; Therin G; Manfredi PF; Re V; Behera PK; Gladney L; Guo QH; Panetta J; Anulli F; Biasini M; Peruzzi IM; Pioppi M; Angelini C; Batignani G; Bettarini S; Bondioli M; Bucci F; Calderini G; Carpinelli M; Gamba VD; Forti F; Giorgi MA; Lusiani A; Marchiori G; Martinez-Vidal F; Morganti M; Neri N; Paoloni E; Rama M; Rizzo G; Sandrelli F; Walsh J; Haire M; Judd D; Paick K; Wagoner DE; Danielson N; Elmer P; Lau YP; Lu C; Miftakov V; Olsen J; Smith AJS; Telnov AV; Bellini F; Cavoto G; Faccini R; Ferrarotto F; Ferroni F; Gaspero M; Gioi LL; Mazzoni MA; Morganti S; Pierini M; Piredda G; Tehrani FS; Voena C; Christ S; Wagner G; Waldi R; Adye T; Groot ND; Franek B; Geddes NI; Gopal GP; Olaiya EO; Aleksan R; Emery S; Gaidot A; Ganzhur SF; Giraud PF; de Monchenault GH; Kozanecki W; Langer M; Legendre M; London GW; Mayer B; Schott G; Vasseur G; Yeche C; Zito M; Purohit MV; Weidemann AW; Yumiceva FX; Aston D; Bartoldus R; Berger N; Boyarski AM; Buchmueller OL; Convery MR; Cristinziani M; Nardo GD; Dong D; Dorfan J; Dujmic D; Dunwoodie W; Elsen EE; Fan S; Field RC; Glanzman T; Gowdy SJ; Hadig T; Halyo V; Hast C; Hryn'ova T; Innes WR; Kelsey MH; Kim P; Kocian ML; Leith DWGS; Libby J; Luitz S; Luth V; Lynch HL; Marsiske H; Messner R; Muller DR; O'Grady CP; Ozcan VE; Perazzo A; Perl M; Petrak S; Ratcliff BN; Roodman A; Salnikov AA; Schindler RH; Schwiening J; Simi G; Snyder A; Soha A; Stelzer J; Su D; Sullivan MK; Va'vra J; Wagner SR; Weaver M; Weinstein AJR; Wisniewski WJ; Wittgen M; Wright DH; Yarritu AK; Young CC; Burchat PR; Edwards AJ; Meyer TI; Petersen BA; Roat C; Ahmed S; Alam MS; Ernst JA; Saeed MA; Saleem M; Wappler FR; Bugg W; Krishnamurthy M; Spanier SM; Eckmann R; Kim H; Ritchie JL; Satpathy A; Schwitters RF; Izen JM; Kitayama I; Lou XC; Ye S; Bianchi F; Bona M; Gallo F; Gamba D; Borean C; Bosisio L; Cartaro C; Cossutti F; Della Ricca G; Dittongo S; Grancagnolo S; Lanceri L; Poropat P; Vitale L; Vuagnin G; Panvini RS; Banerjee S; Brown CM; Fortin D; Jackson PD; Kowalewski R; Roney JM; Band HR; Dasu S; Datta M; Eichenbaum AM; Graham M; Hollar JJ; Johnson JR; Kutter PE; Li H; Liu R; Lodovico FD; Mihalyi A; Mohapatra AK; Pan Y; Prepost R; Rubin AE; Sekula SJ; Tan P; von Wimmersperg-Toeller JH; Wu J; Wu SL; Yu Z; Neal H J; Wu SL; Yu Z; Neal HPE; Li H; Liu R; Mihalyi A; Mohapatra AK; Pan Y; Prepost R; Tan P; von Wimmersperg-Toeller JH; Wu J; Wu SL; Yu Z; Greene MG; Neal Her T; Yamashita T; Yamamoto K; Wan Z; Wang MJ; Wang SM; Warburton A; Ward B; Waschke S; Waters D; Watts T; Weber M; Wester WC; Whitehouse B; Wicklund AB; Wicklund E; Williams HH; Wilson P; Winer BL; Wittich P; Wolbers S; Wolter M; Worcester M; Worm S; Wright T; Wu X; Wurthwein F; Wyatt A; Yagil A; Yang UK; Yao W; Yeh GP; Yi K; Yoh J; Yoon P; Yorita K; Yoshida T; Yu I; Yu S; Yu Z; Yun JC; Zanello L; Zanetti A; Zaw I; Zetti F; Zhou J; Zsenei A; Zucchelli S
Titolo:	Measurement of the direct CP asymmetry in b -> s gamma decays
Anno del prodotto:	2004
Digital Object Identifier (DOI):	10.1103/PhysRevB.93.021804
Appare nelle tipologie:	1.1 Articolo in rivista

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