OBSERVATION OF LAMBDA(C)(+) DECAYS TO LAMBDA-PI+PI-0, SIGMA-0-PI+, SIGMA-PI+PI-0, AND SIGMA-0-PI-PI+PI+

被引：15

作者：

AVERY, P

FREYBERGER, A

RODRIGUEZ, J

STEPHENS, R

YELTON, J

CINABRO, D

HENDERSON, S

KINOSHITA, K

LIU, T

SAULNIER, M

SHEN, F

WILSON, R

YAMAMOTO, H

ONG, B

SELEN, M

SADOFF, AJ

AMMAR, R

BALL, S

BARINGER, P

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

机构：

[1] HARVARD UNIV,CAMBRIDGE,MA 02138

[2] UNIV ILLINOIS,URBANA,IL 61801

[3] ITHACA COLL,ITHACA,NY 14850

[4] UNIV KANSAS,LAWRENCE,KS 66045

[5] UNIV MINNESOTA,MINNEAPOLIS,MN 55455

[6] SUNY ALBANY,ALBANY,NY 12222

[7] OHIO STATE UNIV,COLUMBUS,OH 43210

[8] UNIV OKLAHOMA,NORMAN,OK 73019

[9] PURDUE UNIV,W LAFAYETTE,IN 47907

[10] UNIV ROCHESTER,ROCHESTER,NY 14627

[11] SO METHODIST UNIV,DALLAS,TX 75275

[12] SYRACUSE UNIV,SYRACUSE,NY 13244

[13] VANDERBILT UNIV,NASHVILLE,TN 37235

[14] CALTECH,PASADENA,CA 91125

[15] UNIV CALIF SAN DIEGO,LA JOLLA,CA 92093

[16] UNIV CALIF SANTA BARBARA,SANTA BARBARA,CA 93106

[17] CARNEGIE MELLON UNIV,PITTSBURGH,PA 15213

[18] UNIV COLORADO,BOULDER,CO 80309

[19] CORNELL UNIV,ITHACA,NY 14853

[20] NOVOSIBIRSK NUCL PHYS INST,NOVOSIBIRSK,RUSSIA

[21] CARLETON UNIV,OTTAWA K1S 5B6,ONTARIO,CANADA

来源：

PHYSICS LETTERS B | 1994年 / 325卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)90100-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have observed the previously unseen decay modes LAMBDApi+pi0, SIGMA0pi+pi0 and SIGMA0pi-pi+pi+ of the charmed baryon LAMBDA(c)+, as well as LAMBDA(c)+ --> SIGMA0pi+ observed previously by ARGUS. The branching ratios for these four decay modes relative to LAMBDA(c)+ --> pK-pi+ are measured to be 0.73 +/- 0.09 +/- 0.16, 0.36 +/- 0.09 +/- 0.10, 0.21 +/- 0.05 +/- 0.05, and 0.21 +/- 0.02 +/- 0.04, respectively. Using the recent CLEO measurement of the branching ratio for LAMBDA(c)+ --> pK-pi+, these modes account for 6% of LAMBDA(c)+ decays.

引用

页码：257 / 262

页数：6

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