WEAK ELECTROMAGNETIC DECAYS OF CHARM BARYONS

被引:15
作者
UPPAL, T
VERMA, RC
机构
[1] Department of Physics, Panjab University
来源
PHYSICAL REVIEW D | 1993年 / 47卷 / 07期
关键词
D O I
10.1103/PhysRevD.47.2858
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In view of recent experimental trends we investigate the weak photonic decays of charmed baryons within the framework of the constituent quark model. Decay widths and asymmetry parameters for all 1/2 + --> 1/2+ + gamma charm-changing modes are calculated with appropriate QCD corrections.
引用
收藏
页码:2858 / 2864
页数:7
相关论文
共 44 条
[1]   OBSERVATIONS OF LAMBDA-C+ SEMILEPTONIC DECAY [J].
ALBRECHT, H ;
EHRLICHMANN, H ;
HAMACHER, T ;
KRUGER, A ;
NAU, A ;
NIPPE, A ;
REIDENBACH, M ;
SCHAFER, M ;
SCHRODER, H ;
SCHULZ, HD ;
SEFKOW, F ;
WURTH, R ;
APPUHN, RD ;
HAST, C ;
HERRERA, G ;
KOLANOSKI, H ;
LANGE, A ;
LINDNER, A ;
MANKEL, R ;
SCHIEBER, M ;
SIEGMUND, T ;
SPAAN, B ;
THURN, H ;
TOPFER, D ;
WALTHER, A ;
WEGENER, D ;
PAULINI, M ;
REIM, K ;
VOLLAND, U ;
WEGENER, H ;
MUNDT, R ;
OEST, T ;
SCHMIDTPARZEFALL, W ;
FUNK, W ;
STIEWE, J ;
WERNER, S ;
BALL, S ;
GABRIEL, JC ;
GEYER, C ;
HOLSCHER, A ;
HOFMANN, W ;
HOLZER, B ;
KHAN, S ;
KNOPFLE, KT ;
SPENGLER, J ;
BRITTON, DI ;
CHARLESWORTH, CEK ;
EDWARDS, KW ;
KAPITZA, H ;
KRIEGER, P .
PHYSICS LETTERS B, 1991, 269 (1-2) :234-242
[2]  
AMENDOLIA SR, 1987, Z PHYS C PART FIELDS, V36, P513, DOI 10.1007/BF01630588
[3]   A MEASUREMENT OF 2 RESONANT CONTRIBUTIONS IN THE LAMBDA-C+ BRANCHING RATIOS [J].
BASILE, M ;
ROMEO, GC ;
CIFARELLI, L ;
CONTIN, A ;
DALI, G ;
DICESARE, P ;
ESPOSITO, B ;
GIUSTI, P ;
MASSAM, T ;
PALMONARI, F ;
SARTORELLI, G ;
VALENTI, G ;
ZICHICHI, A .
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS, 1981, 62 (01) :14-20
[4]   1/N EXPANSION FOR EXCLUSIVE AND INCLUSIVE CHARM DECAYS [J].
BURAS, AJ ;
GERARD, JM ;
RUCKL, R .
NUCLEAR PHYSICS B, 1986, 268 (01) :16-48
[5]   CONTRIBUTIONS OF PARITY-VIOLATING BARYON MATRIX-ELEMENTS TO NONLEPTONIC CHARMED-BARYON DECAYS [J].
CHENG, HY .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1985, 29 (03) :453-458
[6]   AN EXACT CALCULATION OF THE FLAVOR-CHANGING QUARK-PHOTON VERTEX [J].
CHIA, SP ;
RAJAGOPAL, G .
PHYSICS LETTERS B, 1985, 156 (5-6) :405-410
[7]   CHARMED BARYONS IN A QUARK-MODEL WITH HYPERFINE INTERACTIONS [J].
COPLEY, LA ;
ISGUR, N ;
KARL, G .
PHYSICAL REVIEW D, 1979, 20 (03) :768-775
[8]   FLAVOR-CHANGING ELECTROMAGNETIC VERTEX IN A NON-LINEAR R-XI GAUGE [J].
DESHPANDE, NG ;
NAZERIMONFARED, M .
NUCLEAR PHYSICS B, 1983, 213 (03) :390-408
[9]   IS D0-]PHI-KBAR0 REALLY A CLEAR SIGNAL FOR THE ANNIHILATION DIAGRAM [J].
DONOGHUE, JF .
PHYSICAL REVIEW D, 1986, 33 (05) :1516-1518
[10]   NON-LEPTONIC DECAYS OF CHARMED BARYONS IN THE MIT BAG MODEL [J].
EBERT, D ;
KALLIES, W .
PHYSICS LETTERS B, 1983, 131 (1-3) :183-186