Measurement of the D*(2010) Branching Fractions.

F BUTLER,X FU,G KALBFLEISCH,M LAMBRECHT, WR ROSS,P SKUBIC,J SNOW,PL WANG,D BORTOLETTO,DN BROWN,J DOMINICK,RL MCILWAIN,T MIAO,DH MILLER,M MODESITT,SF SCHAFFNER,EI SHIBATA,IPJ SHIPSEY,M BATTLE,J ERNST,H KROHA,S ROBERTS,K SPARKS,EH THORNDIKE, CH WANG,S SANGHERA,T SKWARNICKI,R STROYNOWSKI,M ARTUSO,M GOLDBERG,N HORWITZ,R KENNETT,GC MONETI,F MUHEIM,S PLAYFER,Y ROZEN,P RUBIN,S STONE,M THULASIDAS,WM YAO,G ZHU,AV BARNES,J BARTELT,SE CSORNA,Z EGYED,V JAIN,P SHELDON, DS AKERIB,B BARISH,M CHADHA,DF COWEN,G EIGEN,JS MILLER,J URHEIM,AJ WEINSTEIN,A BEAN, J GRONBERG,R KUTSCHKE,S MENARY,RJ MORRISON,HN NELSON,JD RICHMAN,H TAJIMA,D SCHMIDT,D SPERKA,MS WITHERELL,D ACOSTA,G MASEK,B ONG,H PAAR,M SIVERTZ,M PROCARIO, S YANG,M DAOUDI,WT FORD,DR JOHNSON,K LINGEL,M LOHNER,P RANKIN,JG SMITH,JP ALEXANDER,C BEBEK,K BERKELMAN,D BESSON,TE BROWDER,DG CASSEL,DM COFFMAN,PS DRELL,R EHRLICH,RS GALIK,M GARCIASCIVERES,B GEISER,B GITTLEMAN,SW GRAY,DL HARTILL,BK HELTSLEY, K HONSCHEID,C JONES,J KANDASWAMY,N KATAYAMA,PC KIM,DL KREINICK,GS LUDWIG,J MASUI,J MEVISSEN,NB MISTRY,CR NG,E NORDBERG,C OGRADY,JR PATTERSON,D PETERSON,D RILEY,M SAPPER,M SELEN,H WORDEN,M WORRIS,F WURTHWEIN,P AVERY,A FREYBERGER,J RODRIGUEZ,R STEPHENS,J YELTON,D CINABRO,S HENDERSON,K KINOSHITA,T LIU,M SAULNIER,R WILSON,H YAMAMOTO,AJ SADOFF,R AMMAR,S BALL,P BARINGER,D COPPAGE, N COPTY,R DAVIS,N HANCOCK,M KELLY,N KWAK,H LAM,Y KUBOTA,M LATTERY,JK NELSON,S PATTON,D PERTICONE,R POLING,V SAVINOV,S SCHRENK,R WANG,MS ALAM,IJ KIM,B NEMATI,JJ ONEILL,V ROMERO,H SEVERINI,CR SUN,PN WANG,MM ZOELLER,G CRAWFORD,R FULTON, KK GAN,H KAGAN,R KASS,J LEE,R MALCHOW,F MORROW,M SUNG,C WHITE,J WHITMORE,P WILSON

Physical review letters（1992）

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摘要

We report a measurement of the D*+ and D*0 decay branching fractions based on 780 pb-1 of data collected with the CLEO II detector. For radiative D*+ decay, we obtain an upper limit, B(D*+ --> D+ gamma) < 4.2% (90% confidence level), which is substantially below previous results, and eliminates the need for an anomalously large charm quark magnetic moment.

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