Hadronization of b->c(c)over-bar-s

被引:46
作者
Buchalla, G [1 ]
Dunietz, I [1 ]
Yamamoto, H [1 ]
机构
[1] HARVARD UNIV,CAMBRIDGE,MA 02138
关键词
D O I
10.1016/0370-2693(95)01296-6
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The b --> c (c) over bar s transition is usually believed to hadronize predominantly in (B) over bar --> X(c)D(s)((*)-) with the D-s((*)-) originating from the virtual W. We demonstrate in a variety of independent ways that other hadronization processes cannot be neglected. The invariant mass of (c) over bar s has sizable phase-space beyond m(D) + m(K). The rate for (B) over bar --> D (D) over bar (K) over bar X could be significant and should not be ignored as was done in previous experimental analyses. We estimate the number of charmed hadrons per B-decay, n(c), to be approximate to 1.3 to higher accuracy than obtained in previous investigations. Even though n(c) is currently measured to be about 1.1, observing a significant (B) over bar --> D (D) over bar (K) over bar X would support n(c) approximate to 1.3. Many testable consequences result, some of which we discuss.
引用
收藏
页码:188 / 194
页数:7
相关论文
共 41 条
[1]   BRANCHING RATIOS OF B-MESONS TO K+,K-, AND K-0-KBAR-0 [J].
ALAM, MS ;
KATAYAMA, N ;
KIM, IJ ;
SUN, CR ;
TANIKELLA, V ;
BORTOLETTO, D ;
CHEN, A ;
GOLDBERG, M ;
HOLMES, R ;
HORWITZ, N ;
JAWAHERY, A ;
LUBRANO, P ;
MONETI, GC ;
SHARMA, V ;
THOMA, P ;
CSORNA, SE ;
MESTAYER, MD ;
PANVINI, RS ;
WORD, GB ;
BEAN, A ;
BOBBINK, GJ ;
BROCK, IC ;
ENGLER, A ;
FERGUSON, T ;
KRAEMER, RW ;
RIPPICH, C ;
VOGEL, H ;
BEBEK, C ;
BERKELMAN, K ;
BLUCHER, E ;
CASSEL, DG ;
COPIE, T ;
DESALVO, R ;
DEWIRE, JW ;
EHRLICH, R ;
GALIK, RS ;
GILCHRIESE, MGD ;
GITTELMAN, B ;
GRAY, SW ;
HALLING, AM ;
HARTILL, DL ;
HELTSLEY, BK ;
HOLZNER, S ;
ITO, M ;
KANDASWAMY, J ;
KOWALEWSKI, R ;
KREINICK, DL ;
KUBOTA, Y ;
MISTRY, NB ;
MUELLER, J .
PHYSICAL REVIEW LETTERS, 1987, 58 (18) :1814-1817
[2]  
ALBRECHT H, 1994, Z PHYS C PART FIELDS, V62, P371
[3]   MEASURING CP VIOLATION IN THE B0BBAR0 SYSTEM WITH ASYMMETRIC-ENERGY E+E- BEAMS [J].
ALEKSAN, R ;
BARTELT, J ;
BURCHAT, PR ;
SEIDEN, A .
PHYSICAL REVIEW D, 1989, 39 (05) :1283-1296
[4]   CHARM QUARK MASS DEPENDENCE OF QCD CORRECTIONS TO NONLEPTONIC INCLUSIVE B-DECAYS [J].
BAGAN, E ;
BALL, P ;
BRAUN, VM ;
GOSDZINSKY, P .
NUCLEAR PHYSICS B, 1994, 432 (1-2) :3-38
[5]   THEORETICAL UPDATE OF THE SEMILEPTONIC BRANCHING RATIO OF B-MESONS [J].
BAGAN, E ;
BALL, P ;
BRAUM, VM ;
GOSDZINSKY, P .
PHYSICS LETTERS B, 1995, 342 (1-4) :362-368
[6]   MEASUREMENT OF THE (B)OVER-BAR-]D-ASTERISK-L-(NU)OVER-BAR BRANCHING FRACTIONS AND VERTICAL-BAR-V-CB-VERTICAL-BAR [J].
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 ;
SPERKA, D ;
WITHERELL, MS ;
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 ;
CROWCROFT, DS ;
DRELL, PS ;
EHRLICH, R ;
GAIDAREV, P ;
GALIK, RS ;
GARCIASCIVERES, M .
PHYSICAL REVIEW D, 1995, 51 (03) :1014-1033
[7]   EXCLUSIVE NONLEPTONIC DECAYS OF D-MESONS, DS-MESONS AND B-MESONS [J].
BAUER, M ;
STECH, B ;
WIRBEL, M .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1987, 34 (01) :103-115
[8]  
BERGER EL, 1992, 1990 P SUMM STUD HIG, P255
[9]  
BERGFELD T, 1994, CLEO CONF949 CORN RE
[10]   THE BAFFLING SEMILEPTONIC BRANCHING RATIO OF B-MESONS [J].
BIGI, I ;
BLOK, B ;
SHIFMAN, M ;
VAINSHTEIN, A .
PHYSICS LETTERS B, 1994, 323 (3-4) :408-416