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Measurement of time-dependent CP-violating asymmetries and constraints on sin(2 beta+gamma) with partial reconstruction of B -> D-*+/-pi(+/-) decays

By AUBERT B, BARATE R, BOUTIGNY D, COUDERC F, KARYOTAKIS Y, LEES JP, POIREAU V, TISSERAND V, ZGHICHE A, GRAUGES E, PALANO A, PAPPAGALLO M, POMPILI A, CHEN JC, QI ND, RONG G, WANG P, ZHU YS, EIGEN G, OFTE I, STUGU B, ABRAMS GS, BATTAGLIA M, 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, 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, PETERS K, SCHROEDER T, STEINKE M, BOYD JT, BURKE JP, CHEVALIER N, COTTINGHAM WN, KELLY MP, CUHADAR-DONSZELMANN T, HEARTY C, KNECHT NS, MATTISON TS, MCKENNA JA, KHAN A, KYBERD P, TEODORESCU L, BLINOV AE, BLINOV VE, BUKIN AD, DRUZHININ VP, GOLUBEV VB, IVANCHENKO VN, KRAVCHENKO EA, ONUCHIN AP, SEREDNYAKOV SI, SKOVPEN YI, SOLODOV EP, YUSHKOV AN, BEST D, BONDIOLI M, BRUINSMA M, CHAO M, ESCHRICH I, KIRKBY D, LANKFORD AJ, MANDELKERN M, MOMMSEN RK, ROETHEL W, STOKER DP, BUCHANAN C, HARTFIEL BL, WEINSTEIN AJR, FOULKES SD, GARY JW, LONG O, SHEN BC, WANG K, ZHANG L, DEL RE D, HADAVAND HK, HILL EJ, MACFARLANE DB, PAAR HP, RAHATLOU S, SHARMA V, BERRYHILL JW, CAMPAGNARI C, CUNHA A, DAHMES B, HONG TM, LU A, MAZUR MA, RICHMAN JD, VERKERKE W, BECK TW, EISNER AM, FLACCO CJ, HEUSCH CA, KROSEBERG J, LOCKMAN WS, NESOM G, SCHALK T, 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, ANDREASSEN R, JAYATILLEKE S, MANCINELLI G, MEADOWS BT, SOKOLOFF MD, BLANC F, BLOOM P, CHEN S, FORD WT, NAUENBERG U, OLIVAS A, RANKIN P, RUDDICK WO, SMITH JG, ULMER KA, WAGNER SR, ZHANG J, CHEN A, ECKHART EA, HARTON JL, SOFFER A, TOKI WH, WILSON RJ, ZENG Q, SPAAN B, ALTENBURG D, BRANDT T, BROSE J, DICKOPP M, FELTRESI E, HAUKE A, KLOSE V, LACKER HM, MALY E, NOGOWSKI R, OTTO S, PETZOLD A, SCHOTT G, SCHUBERT J, SCHUBERT KR, SCHWIERZ R, SUNDERMANN JE, BERNARD D, BONNEAUD GR, GRENIER P, SCHRENK S, THIEBAUX C, VASILEIADIS G, VERDERI M, BARD DJ, CLARK PJ, GRADL W, MUHEIM F, PLAYFER S, XIE Y, ANDREOTTI M, AZZOLINI V, BETTONI D, BOZZI C, CALABRESE R., CIBINETTO G, LUPPI E, NEGRINI M, PIEMONTESE L, ANULLI F, BALDINI-FERROLI R, CALCATERRA A, DE SANGRO R, FINOCCHIARO G, PATTERI P, PERUZZI IM, PICCOLO M, ZALLO A, BUZZO A, CAPRA R, CONTRI R, VETERE ML, MACRI M, MONGE MR, PASSAGGIO S, PATRIGNANI C, ROBUTTI E, SANTRONI A, TOSI S, BAILEY S, BRANDENBURG G, CHAISANGUANTHUM KS, MORII M, WON E, DUBITZKY RS, LANGENEGGER U, MARKS J, SCHENK S, UWER U, BHIMJI W, BOWERMAN DA, DAUNCEY PD, EGEDE U, FLACK RL, GAILLARD JR, MORTON GW, NASH JA, NIKOLICH MB, TAYLOR GP, CHARLES MJ, GRENIER GJ, MALLIK U, MOHAPATRA AK, COCHRAN J, CRAWLEY HB, EYGES V, MEYER WT, PRELL S, ROSENBERG EI, RUBIN AE, YI J, ARNAUD N, DAVIER M, GIROUX X, GROSDIDIER G, HOCKER A, DIBERDER FL, LEPELTIER V, LUTZ AM, OYANGUREN A, PETERSEN TC, PIERINI M, PLASZCZYNSKI S, RODIER S, ROUDEAU P, SCHUNE MH, STOCCHI A, WORMSER G, CHENG CH, LANGE DJ, SIMANI MC, WRIGHT DM, BEVAN AJ, CHAVEZ CA, COLEMAN JP, FORSTER IJ, FRY JR, GABATHULER E, GAMET R, GEORGE KA, HUTCHCROFT DE, PARRY RJ, PAYNE DJ, TOURAMANIS C, CORMACK CM, LODOVICO FD, BROWN CL, COWAN G, FLAECHER HU, GREEN MG, JACKSON PS, MCMAHON TR, RICCIARDI S, SALVATORE F, BROWN D, DAVIS CL, ALLISON J, BARLOW NR, BARLOW RJ, HODGKINSON MC, LAFFERTY GD, NAISBIT MT, WILLIAMS JC, CHEN C, FARBIN A, HULSBERGEN WD, JAWAHERY A, KOVALSKYI D, LAE CK, LILLARD V, ROBERTS DA, BLAYLOCK G, DALLAPICCOLA C, HERTZBACH SS, KOFLER R, KOPTCHEV VB, LI X, MOORE TB, SAREMI S, STAENGLE H, WILLOCQ S, COWAN R, KOENEKE K, SCIOLLA G, SEKULA SJ, TAYLOR F, YAMAMOTO RK, KIM H, PATEL PM, ROBERTSON SH, LAZZARO A, LOMBARDO V, 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, VIAUD B, NICHOLSON H, CAVALLORDO GD, 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, ALLMENDINGER T, BENELLI G, GAN KK, HONSCHEID K, HUFNAGEL D, JACKSON PD, KAGAN H, KASS R, PULLIAM T, RAHIMI AM, TER-ANTONYAN R, WONG QK, BRAU J, FREY R, IGONKINA O, LU M, 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, VOCI C, BENAYOUN M, BRIAND H, CHAUVEAU J, DAVID P, BUONO LD, DE LA VAISSIERE C, HAMON O, JOHN MJJ, LERUSTE P, MALCLES J, OCARIZ J, ROOS L, THERIN G, BEHERA PK, GLADNEY L, GUO QH, PANETTA J, BIASINI M, COVARELLI R, PACETTI S, PIOPPI M, ANGELINI C, BATIGNANI G, BETTARINI S, BUCCI F, CALDERINI G, CARPINELLI M, FORTI F, GIORGI MA, LUSIANI A, MARCHIORI G, MORGANTI M, NERI N, PAOLONI E, RAMA M, RIZZO G, SIMI G, WALSH J, HAIRE M, JUDD D, PAICK K, WAGONER DE, BIESIADA J, DANIELSON N, ELMER P, LAU YP, LU C, OLSEN J, SMITH AJS, TELNOV AV, BELLINI F, CAVOTO G, D'ORAZIO A, MARCO ED, FACCINI R, FERRAROTTO F, FERRONI F, GASPERO M, GIOI LL, MAZZONI MA, MORGANTI S, PIREDDA G, POLCI F, TEHRANI FS, VOENA C, CHRIST S, SCHRODER H, WAGNER G, WALDI R, ADYE T, GROOT ND, FRANEK B, GOPAL GP, OLAIYA EO, WILSON FF, ALEKSAN R, EMERY S, GAIDOT A, GANZHUR SF, GIRAUD PF, GRAZIANI G, DE MONCHENAULT GH, KOZANECKI W, LEGENDRE M, LONDON GW, MAYER B, VASSEUR G, YECHE C, ZITO M, PUROHIT MV, WEIDEMANN AW, WILSON JR, YUMICEVA FX, ABE T, ALLEN MT, ASTON D, BARTOLDUS R, BERGER N, BOYARSKI AM, BUCHMUELLER OL, CLAUS R, CONVERY MR, CRISTINZIANI M, DINGFELDER JC, DONG D, DORFAN J, DUJMIC D, DUNWOODIE W, 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, RATCLIFF BN, ROODMAN A, SALNIKOV AA, SCHINDLER RH, SCHWIENING J, SNYDER A, STELZER J, SU D, SULLIVAN MK, SUZUKI K, THOMPSON JM, VA'VRA J, WEAVER M, WISNIEWSKI WJ, WITTGEN M, WRIGHT DH, YARRITU AK, YI K, YOUNG CC, STRUBE J, BURCHAT PR, EDWARDS AJ, MAJEWSKI SA, PETERSEN BA, ROAT C, AHMED M, AHMED S, ALAM MS, ERNST JA, SAEED MA, SALEEM M, WAPPLER FR, ZAIN SB, BUGG W, KRISHNAMURTHY M, SPANIER SM, ECKMANN R, RITCHIE JL, SATPATHY A, SCHWITTERS RF, IZEN JM, KITAYAMA I, LOU XC, YE S, BIANCHI F, BONA M, GALLO F, GAMBA D, BOMBEN M, BOSISIO L, CARTARO C, COSSUTTI F, RICCA GD, DITTONGO S, GRANCAGNOLO S, LANCERI L, POROPAT P, VITALE L, VUAGNIN G, MARTINEZ-VIDAL F, PANVINI RS, BANERJEE S, BHUYAN B, BROWN CM, FORTIN D, HAMANO K, KOWALEWSKI R, RONEY JM, SOBIE RJ, BACK JJ, HARRISON PF, LATHAM TE, MOHANTY GB, BAND HR, CHEN X, CHENG B, DASU S, DATTA M, EICHENBAUM AM, FLOOD KT, GRAHAM M, HOLLAR JJ, JOHNSON JR, KUTTER PE, LI H, LIU R, MELLADO B, MIHALYI A, PAN Y, PREPOST R, TAN P, VON WIMMERSPERG-TOELLER JH, WU J, WU SL, YU Z, GREENE MG and NEAL H

Abstract

We present a measurement of the time-dependent CP-violating asymmetries in decays of neutral B mesons to the final states D(*-/+)pi(+/-), using approximately 232x10(6) B (B) over bar events recorded by the BABAR experiment at the PEP-II e(+)e(-) storage ring. Events containing these decays are selected with a partial reconstruction technique, in which only the high-momentum pi(+/-) from the B decay and the low-momentum pi(-/+) from the D*-/+ decay are used. We measure the parameters related to 2 beta+gamma to be a(D*pi)=-0.034 +/- 0.014 +/- 0.009 and c(D*pi)(l)=-0.019 +/- 0.022 +/- 0.013. With some theoretical assumptions, we interpret our results in terms of the lower limits vertical bar sin(2 beta+gamma)vertical bar > 0.62(0.35) at 68% (90%) confidence level

Topics: CP-VIOLATION, PARTIAL RECONSTRUCTION, BABAR, SLAC
Year: 2005
DOI identifier: 10.1103/PhysRevD.71.112003
OAI identifier: oai:iris.unife.it:11392/1211461
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