OBSERVATION OF INCLUSIVE B-DECAYS TO THE CHARMED BARYONS SIGMA(C)++ AND DELTA(C)0

Authors
PROCARIO M BALEST R CHO K DAOUDI M FORD WT JOHNSON DR LINGEL K LOHNER M RANKIN P SMITH JG ALEXANDER JP BEBEK C BERKELMAN K BLOOM K BROWDER TE CASSEL DG CHO HA COFFMAN DM DRELL PS EHRLICH R GALIK RS GARCIASCIVERES M GEISER B GITTELMAN B GRAY SW HARTILL DL HELTSLEY BK JONES CD JONES SL KANDASWAMY J KATAYAMA N KIM PC KREINICK DL LUDWIG GS MASUI J MEVISSEN J MISTRY NB NG CR NORDBERG E PATTERSON JR PETERSON D RILEY D SALMAN S SAPPER M WURTHWEIN F AVERY P FREYBERGER A RODRIGUEZ J STEPHENS R YANG S YELTON J CINABRO D HENDERSON S LIU T SAULNIER M WILSON R YAMAMOTO H BERGFELD T EISENSTEIN BI GOLLIN G ONG B PALMER M SELEN M THALER JJ SADOFF AJ AMMAR R BALL S BARINGER P BEAN A BESSON D COPPAGE D COPTY N DAVIS R HANCOCK N KELLY M KWAK N LAM H KUBOTA Y LATTERY M NELSON JK PATTON S PERTICONE D POLING R SAVINOV V SCHRENK S WANG R ALAM MS KIM IJ NEMATI B ONEILL JJ SEVERINI H SUN CR ZOELLER MM CRAWFORD G DAUBENMIER CM FULTON R FUJINO D GAN KK HONSCHEID K KAGAN H KASS R LEE J MALCHOW R MORROW F SKOVPEN Y SUNG M WHITE C BUTLER F FU X KALBFLEISCH G ROSS WR SKUBIC P SNOW J WANG PL WOOD M BROWN DN FAST J MCILWAIN RL MIAO T MILLER DH MODESITT M PAYNE D SHIBATA EI SHIPSEY IPJ WANG PN BATTLE M ERNST J KWON Y ROBERTS S THORNDIKE EH WANG CH DOMINICK J LAMBRECHT M SANGHERA S SHELKOV V SKWARNICKI T STROYNOWSKI R VOLOBOUEV I WEI G ZADOROZHNY P ARTUSO M GOLDBERG M HE D HORWITZ N KENNETT R MOUNTAIN R MONETI GC MUHEIM F MUKHIN Y PLAYFER S ROZEN Y STONE S THULASIDAS M VASSEUR G ZHU G BARTELT J CSORNA SE EGYED Z JAIN V KINOSHITA K EDWARDS KW OGG M BRITTON DI HYATT ERF MACFARLANE DB PATEL PM AKERIB DS BARISH B CHADHA M CHAN S COWEN DF EIGEN G MILLER JS OGRADY C URHEIM J WEINSTEIN AJ ACOSTA D ATHANAS M MASEK G PAAR HP GRONBERG J KUTSCHKE R MENARY S MORRISON RJ NAKANISHI S NELSON HN NELSON TK QIAO C RICHMAN JD RYD A TAJIMA H SCHMIDT D SPERKA D WITHERELL MS
Citation
M. Procario et al., OBSERVATION OF INCLUSIVE B-DECAYS TO THE CHARMED BARYONS SIGMA(C)++ AND DELTA(C)0, Physical review letters, 73(11), 1994, pp. 1472-1476
Citations number
14
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
73
Issue
11
Year of publication
1994
Pages
1472 - 1476
Database
ISI
SICI code
0031-9007(1994)73:11<1472:OOIBTT>2.0.ZU;2-N
Abstract
Using data collected in the region of the UPSILON(4S) resonance with t he CLEO II detector operating at the Cornell Electron Storage Ring, we report on evidence for the production of SIGMA(c)++ and SIGMA(c)0 bar yons in B decays, with SIGMA(c) --> LAMBDA(c)+pi. This observation is based on 77 +/- 19 SIGMA(c)++ and 76 +/- 21 SIGMA(c)0 candidates from B decays. We find the product branching fractions B(BBAR --> SIGMA(c)X )B(LAMBDA(c)+ --> pK-pi+) for SIGMA(c) = SIGMA(c)++, SIGMA(c)0, and SI GMA(c)+ to be (2.1 +/- 0.8 +/- 0.7) X 10(-4), (2.3 +/- 0.8 +/- 0.7) x 10(-4), and less than 4.8 x 10(-4) at 90% confidence level, respective ly. A study of the SIGMA(c)++ and SIGMA(c)0 momentum spectra indicates that B decays to two-body final states with SIGMA(c) are suppressed.