STUDY OF THE DECAYS LAMBDA(C)+-]XI(0)K+,LAMBDA(C)+-]SIGMA +K+K-, AND LAMBDA(C)+-]XI-K+PI+

被引：0

作者：

AVERY, P

FREYBERGER, A

RODRIGUEZ, J

STEPHENS, R

YELTON, J

CINABRO, D

HENDERSON, S

KINOSHITA, K

LIU, T

SAULNIER, M

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

ROMERO, V

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] UNIV CALIF SAN DIEGO,LA JOLLA,CA 92093

[2] SO METHODIST UNIV,DALLAS,TX 75275

[3] CALTECH,PASADENA,CA 91125

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

[5] CARNEGIE MELLON UNIV,PITTSBURGH,PA 15213

[6] UNIV COLORADO,BOULDER,CO 80309

[7] CORNELL UNIV,ITHACA,NY 14853

[8] HARVARD UNIV,CAMBRIDGE,MA 02138

[9] UNIV ILLINOIS,CHAMPAIGN,IL 61820

[10] ITHACA COLL,ITHACA,NY 14850

[11] UNIV KANSAS,LAWRENCE,KS 66045

[12] UNIV MINNESOTA,MINNEAPOLIS,MN 55455

[13] SUNY,ALBANY,NY 12222

[14] OHIO STATE UNIV,COLUMBUS,OH 43210

[15] UNIV OKLAHOMA,NORMAN,OK 73019

[16] PURDUE UNIV,W LAFAYETTE,IN 47907

[17] UNIV ROCHESTER,ROCHESTER,NY 14627

[18] VANDERBILT UNIV,NASHVILLE,TN 37235

[19] SYRACUSE UNIV,SYRACUSE,NY 13244

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.71.2391

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the measurement of new modes of the charmed baryon LAMBDA(c)+ using data recorded by the CLEO II detector at the Cornell Electron Storage Ring. We find branching ratios, relative to LAMBDA(c)+ --> pK-pi+, of 0.070 +/- 0.011 +/- 0.011 for LAMBDA(c)+ --> SIGMA+K+K-, 0.069 +/- 0.023 +/- 0.016 for LAMBDA(c)+ --> SIGMAphi, 0.078 +/- 0.013 +/- 0.013 for LAMBDA(c)+ --> XI0K+, and 0.053 +/- 0.016 +/- 0.010 for LAMBDA(c)+ --> XI*0K+. These measurements indicate that W-exchange diagrams contribute to LAMBDA(c)+ decay. We have also made a new measurement of the previously found mode LAMBDA(c)+ --> XI-K+pi+.

引用

页码：2391 / 2395

页数：5

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