Measurement of the D+->pi(+) pi(0) and D+-> K+ pi(0) branching fractions

We present measurements of the branching fractions for the Cabbibo suppressed decays D+->pi(+)pi(0) and D+-> K+pi(0) based on a data sample corresponding to an integrated luminosity of 124.3 fb(-1). The data were taken with the BABAR detector at the PEP-II B Factory operating on and near the Upsilon(4S) resonance. We find B(D+->pi(+)pi(0))=(1.25 +/- 0.10 +/- 0.09 +/- 0.04)x10(-3) and B(D+-> K+pi(0))=(2.52 +/- 0.47 +/- 0.25 +/- 0.08)x10(-4), where the first uncertainty is statistical, the second systematic and the last error is due to the uncertainties in the absolute branching fraction scale for D+ mesons. This represents the first observation of the doubly Cabibbo-suppressed D+-> K+pi(0) decay mode and a new measurement of the D+->pi(+)pi(0) branching fraction.

Data di pubblicazione: 2006
Titolo: Measurement of the D+->pi(+) pi(0) and D+-> K+ pi(0) branching fractions
Autori: AUBERT B; BARATE R; BONA M; BOUTIGNY D; COUDERC F; KARYOTAKIS Y; LEES JP; POIREAU V; TISSERAND V; ZGHICHE A; GRAUGES E; PALANO A; CHEN JC; QI ND; RONG G; WANG P; ZHU YS; EIGEN G; OFTE I; STUGU B; ABRAMS GS; BATTAGLIA M; BROWN DN; BUTTON-SHAFER J; CAHN RN; CHARLES E; GILL MS; GROYSMAN Y; JACOBSEN RG; KADYK JA; 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; GOETZEN K; HELD T; KOCH H; LEWANDOWSKI B; PELIZAEUS M; PETERS K; SCHROEDER T; STEINKE M; BOYD JT; BURKE JP; COTTINGHAM WN; WALKER D; CUHADAR-DONSZELMANN T; FULSOM BG; HEARTY C; KNECHT NS; MATTISON TS; MCKENNA JA; KHAN A; KYBERD P; SALEEM M; TEODORESCU L; BLINOV VE; BUKIN AD; DRUZHININ VP; GOLUBEV VB; ONUCHIN AP; SEREDNYAKOV SI; SKOVPEN YI; SOLODOV EP; TODYSHEV KY; BEST DS; BONDIOLI M; BRUINSMA M; CHAO M; CURRY S; ESCHRICH I; KIRKBY D; LANKFORD AJ; LUND P; MANDELKERN M; MOMMSEN RK; ROETHEL W; STOKER DP; ABACHI S; BUCHANAN C; FOULKES SD; GARY JW; LONG O; SHEN BC; WANG K; ZHANG L; HADAVAND HK; HILL EJ; PAAR HP; RAHATLOU S; SHARMA V; BERRYHILL JW; CAMPAGNARI C; CUNHA A; DAHMES B; HONG TM; KOVALSKYI D; RICHMAN JD; 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; DVORETSKII A; HITLIN DG; NARSKY I; PIATENKO T; PORTER FC; RYD A; SAMUEL A; ANDREASSEN R; MANCINELLI G; MEADOWS BT; SOKOLOFF MD; BLANC F; BLOOM PC; CHEN S; FORD WT; HIRSCHAUER JF; KREISEL A; NAUENBERG U; OLIVAS A; RUDDICK WO; SMITH JG; ULMER KA; WAGNER SR; ZHANG J; CHEN A; ECKHART EA; SOFFER A; TOKI WH; WILSON RJ; WINKLMEIER F; ZENG Q; ALTENBURG DD; FELTRESI E; HAUKE A; JASPER H; SPAAN B; BRANDT T; KLOSE V; LACKER HM; MADER WF; NOGOWSKI R; PETZOLD A; SCHUBERT J; SCHUBERT KR; SCHWIERZ R; SUNDERMANN JE; VOLK A; BERNARD D; BONNEAUD GR; GRENIER P; LATOUR E; THIEBAUX C; VERDERI M; BARD DJ; CLARK PJ; GRADL W; MUHEIM F; PLAYFER S; ROBERTSON AI; XIE Y; ANDREOTTI M; BETTONI D; BOZZI C; R.CALABRESE; CIBINETTO G; LUPPI E; NEGRINI M; PETRELLA A; PIEMONTESE L; PRENCIPE E; ANULLI F; BALDINI-FERROLI R; CALCATERRA A; DE SANGRO R; FINOCCHIARO G; PACETTI S; PATTERI P; PERUZZI IM; PICCOLO M; RAMA M; ZALLO A; BUZZO A; CAPRA R; CONTRI R; LO VETERE M; MACRI MM; MONGE MR; PASSAGGIO S; PATRIGNANI C; ROBUTTI E; SANTRONI A; TOSI S; BRANDENBURG G; CHAISANGUANTHUM KS; MORII M; WU J; DUBITZKY RS; MARKS J; SCHENK S; UWER U; BHIMJI W; BOWERMAN DA; DAUNCEY PD; EGEDE U; FLACK RL; GAILLARD JR; NASH JA; NIKOLICH MB; VAZQUEZ WP; CHAI X; CHARLES MJ; MALLIK U; MEYER NT; ZIEGLER V; COCHRAN J; CRAWLEY HB; DONG L; EYGES V; MEYER WT; PRELL S; ROSENBERG EI; RUBIN AE; GRITSAN AV; FRITSCH M; SCHOTT G; ARNAUD N; DAVIER M; GROSDIDIER G; HOCKER A; LE DIBERDER F; LEPELTIER V; LUTZ AM; OYANGUREN A; PRUVOT S; RODIER S; ROUDEAU P; SCHUNE MH; STOCCHI A; WANG WF; WORMSER G; CHENG CH; LANGE DJ; WRIGHT DM; CHAVEZ CA; FORSTER IJ; FRY JR; GABATHULER E; GAMET R; GEORGE KA; HUTCHCROFT DE; PAYNE DJ; SCHOFIELD KC; TOURAMANIS C; BEVAN AJ; DI LODOVICO F; MENGES W; SACCO R; BROWN CL; COWAN G; FLAECHER HU; HOPKINS DA; JACKSON PS; MCMAHON TR; RICCIARDI S; SALVATORE F; BROWN DN; DAVIS CL; ALLISON J; BARLOW NR; BARLOW RJ; CHIA YM; EDGAR CL; KELLY MP; LAFFERTY GD; NAISBIT MT; WILLIAMS JC; YI JI; CHEN C; HULSBERGEN WD; JAWAHERY A; LAE CK; ROBERTS DA; SIMI G; BLAYLOCK G; DALLAPICCOLA C; HERTZBACH SS; LI X; MOORE TB; SAREMI S; STAENGLE H; WILLOCQ SY; COWAN R; KOENEKE K; SCIOLLA G; SEKULA SJ; SPITZNAGEL M; 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 FB; NICHOLSON H; CAVALLO N; DE NARDO G; DEL RE D; FABOZZI F; GATTO C; LISTA L; MONORCHIO D; PAOLUCCI P; PICCOLO D; SCIACCA C; BAAK M; BULTEN H; RAVEN G; SNOEK HL; 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; BLOUNT NL; BRAU J; FREY R; IGONKINA O; LU M; POTTER CT; RAHMAT R; SINEV NB; STROM D; STRUBE J; TORRENCE E; GALEAZZI F; GAZ A; MARGONI M; MORANDIN M; POMPILI A; POSOCCO M; ROTONDO M; SIMONETTO F; STROILI R; VOCI C; BENAYOUN M; CHAUVEAU J; DAVID P; DEL BUONO L; DE LA VAISSIERE C; HAMON O; HARTFIEL BL; JOHN MJJ; MALCLES J; OCARIZ J; ROOS L; THERIN G; BEHERA PK; GLADNEY L; PANETTA J; BIASINI M; COVARELLI R; PIOPPI M; ANGELINI C; BATIGNANI G; BETTARINI S; BUCCI F; CALDERINI G; CARPINELLI M; CENCI R; FORTI F; GIORGI MA; LUSIANI A; MARCHIORI G; MAZUR MA; MORGANTI M; NERI N; RIZZO G; WALSH J; HAIRE M; JUDD D; 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; DI MARCO E; FACCINI R; FERRAROTTO F; FERRONI F; GASPERO M; GIOI LL; MAZZONI MA; MORGANTI S; PIREDDA G; POLCI F; TEHRANI FS; VOENA C; EBERT M; SCHRODER H; WALDI R; ADYE T; DE GROOT N; FRANEK B; OLAIYA EO; WILSON FF; EMERY S; GAIDOT A; GANZHUR SF; DE MONCHENAULT GH; KOZANECKI W; LEGENDRE M; VASSEUR G; YECHE C; ZITO M; PARK W; PUROHIT MV; WILSON JR; ALLEN MT; ASTON D; BARTOLDUS R; BECHTLE P; BERGER N; BOYARSKI AM; CLAUS R; COLEMAN JP; CONVERY MR; CRISTINZIANI M; DINGFELDER JC; DONG D; DORFAN J; DUBOIS-FELSMANN GP; DUJMIC D; DUNWOODIE W; FIELD RC; GLANZMAN T; GOWDY SJ; GRAHAM MT; HALYO V; HAST C; HRYN'OVA T; INNES WR; KELSEY MH; KIM P; KOCIAN ML; LEITH DWGS; LI S; LIBBY J; LUITZ S; LUTH V; LYNCH HL; MACFARLANE DB; MARSISKE H; MESSNER R; MULLER DR; O'GRADY CP; OZCAN VE; PERL M; PERAZZO A; RATCLIFF BN; ROODMAN A; SALNIKOV AA; SCHINDLER RH; SCHWIENING J; SNYDER A; STELZER J; SU D; SULLIVAN MK; SUZUKI K; SWAIN SK; THOMPSON JM; VA'VRA J; VAN BAKEL N; WEAVER M; WEINSTEIN AJR; WISNIEWSKI WJ; WITTGEN M; WRIGHT DH; YARRITU AK; YI K; YOUNG CC; BURCHAT PR; EDWARDS AJ; MAJEWSKI SA; PETERSEN BA; ROAT C; WILDEN L; AHMED S; ALAM MS; BULA R; ERNST JA; JAIN V; PAN B; SAEED MA; WAPPLER FR; ZAIN SB; BUGG W; KRISHNAMURTHY M; SPANIER SM; ECKMANN R; RITCHIE JL; SATPATHY A; SCHILLING CJ; SCHWITTERS RF; IZEN JM; KITAYAMA I; LOU XC; YE S; BIANCHI F; GALLO F; GAMBA D; BOMBEN M; BOSISIO L; CARTARO C; COSSUTTI F; DELLA RICCA G; DITTONGO S; GRANCAGNOLO S; LANCERI L; VITALE L; AZZOLINI V; MARTINEZ-VIDAL F; BANERJEE S; BHUYAN B; BROWN CM; FORTIN D; HAMANO K; KOWALEWSKI R; NUGENT IM; RONEY JM; SOBIE RJ; BACK JJ; HARRISON PF; LATHAM TE; MOHANTY GB; PAPPAGALLO M; BAND HR; CHEN X; CHENG B; DASU S; DATTA M; EICHENBAUM AM; FLOOD KT; HOLLAR JJ; KUTTER PE; LI H; LIU R; MELLADO B; MIHALYI A; MOHAPATRA AK; PAN Y; PIERINI M; PREPOST R; TAN P; WU SL; YU Z; NEAL H
Rivista: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Parole Chiave: DECAYS; PHYSICS; BABAR; SLAC
Abstract: We present measurements of the branching fractions for the Cabbibo suppressed decays D+->pi(+)pi(0) and D+-> K+pi(0) based on a data sample corresponding to an integrated luminosity of 124.3 fb(-1). The data were taken with the BABAR detector at the PEP-II B Factory operating on and near the Upsilon(4S) resonance. We find B(D+->pi(+)pi(0))=(1.25 +/- 0.10 +/- 0.09 +/- 0.04)x10(-3) and B(D+-> K+pi(0))=(2.52 +/- 0.47 +/- 0.25 +/- 0.08)x10(-4), where the first uncertainty is statistical, the second systematic and the last error is due to the uncertainties in the absolute branching fraction scale for D+ mesons. This represents the first observation of the doubly Cabibbo-suppressed D+-> K+pi(0) decay mode and a new measurement of the D+->pi(+)pi(0) branching fraction.
Digital Object Identifier (DOI): 10.1103/PhysRevD.74.011107
Handle: http://hdl.handle.net/11392/470190
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