Measurement of time-dependent CP-violating asymmetries in B-0 -> K-*0 gamma(K-*0 -> K-S(0)pi(0)) decays

We present a measurement of the time-dependent CP-violating asymmetries in B-0-->K(*0)gamma(K-*0-->K(S)(0)pi(0)) decays based on 124x10(6) Y(4S)--><B(B)over bar >decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. In a sample containing 105+/-14 signal decays, we measure S(K)(*)gamma=0.25+/-0.63+/-0.14 and C(K)(*)gamma=-0.57+/-0.32+/-0.09, where the first error is statistical and the second, systematic.

Data di pubblicazione: 2004
Titolo: Measurement of time-dependent CP-violating asymmetries in B-0 -> K-*0 gamma(K-*0 -> K-S(0)pi(0)) decays
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; LYNCH G; MIR LM; ODDONE PJ; ORIMOTO TJ; PRIPSTEIN M; ROE NA; RONAN MT; SHELKOV VG; WENZEL WA; BARRETT M; FORD KE; HARRISON TJ; HART AJ; 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 AE; BLINOV VE; 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; FOULKES SD; 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; NESOM G; 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; DICKOPP M; FELTRESI E; HAUKE A; LACKER HM; 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; NIKOLICH MB; TAYLOR GP; CHARLES MJ; 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; LE DIBERDER F; LEPELTIER V; LUTZ AM; PETERSEN TC; PLASZCZYNSKI S; SCHUNE MH; TANTOT L; WORMSER G; CHENG CH; LANGE DJ; SIMANI MC; WRIGHT DM; BEVAN AJ; CHAVEZ CA; COLEMAN JP; FORSTER IJ; FRY JR; GABATHULER E; GAMET R; PARRY RJ; PAYNE DJ; SLOANE RJ; TOURAMANIS C; BACK JJ; CORMACK CM; HARRISON PF; DI LODOVICO F; MOHANTY GB; BROWN CL; COWAN G; FLACK RL; FLAECHER HU; GREEN MG; JACKSON PS; MCMAHON TR; RICCIARDI S; SALVATORE F; WINTER MA; BROWN D; DAVIS CL; ALLISON J; BARLOW NR; BARLOW RJ; 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; FABOZZI F; GATTO C; LISTA L; MONORCHIO D; PAOLUCCI P; PICCOLO D; SCIACCA C; BAAK M; BULTEN H; RAVEN G; SNOEK HL; WILDEN L; JESSOP CP; LOSECCO JM; GABRIEL TA; ALLMENDINGER T; BRAU B; GAN KK; HONSCHEID K; HUFNAGEL D; KAGAN H; KASS R; PUL; 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; DEL BUONO L; HAMON O; JOHN MJJ; LERUSTE P; MALCLES J; 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; 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; LI GIOI L; MAZZONI MA; MORGANTI S; PIERINI M; PIREDDA G; TEHRANI FS; VOENA C; CHRIST S; WAGNER G; WALDI R; ADYE T; DE GROOT N; 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; WILSON JR; YUMICEVA FX; ASTON D; BARTOLDUS R; BERGER N; BOYARSKI AM; BUCHMUELLER OL; CLAUS R; 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; SOBIE RJ; BAND HR; DASU S; DATTA M; EICHENBAUM AM; GRAHAM M; HOLLAR JJ; JOHNSON JR; KUTTER PE; LI H; LIU R; MIHALYI A; MOHAPATRA AK; PAN Y; PREPOST R; RUBIN AE; SEKULA SJ; TAN P; VON WIMMERSPERG-TOELLER JH; WU J; WU SL; YU Z; GREENE MG; NEAL H; CA BABAR COLLABORATION
Rivista: PHYSICAL REVIEW LETTERS
Parole Chiave: BABAR; SLAC
Abstract: We present a measurement of the time-dependent CP-violating asymmetries in B-0-->K(*0)gamma(K-*0-->K(S)(0)pi(0)) decays based on 124x10(6) Y(4S)--><B(B)over bar >decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at the Stanford Linear Accelerator Center. In a sample containing 105+/-14 signal decays, we measure S(K)(*)gamma=0.25+/-0.63+/-0.14 and C(K)(*)gamma=-0.57+/-0.32+/-0.09, where the first error is statistical and the second, systematic.
Digital Object Identifier (DOI): 10.1103/PhysRevLett.93.201801
Handle: http://hdl.handle.net/11392/1211498
Appare nelle tipologie:03.1 Articolo su rivista

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