A MEASUREMENT OF GAMMA(DS+-]PHI-MU+NU)/GAMMA(DS+-]PHI-PI+)

被引：20

作者：

FRABETTI, PL

CHEUNG, HWK

CUMALAT, JP

DALIAPICCOLA, C

GINKEL, JF

GREENE, SV

JOHNS, WE

NEHRING, MS

BUTLER, JN

CIHANGIR, S

GAINES, I

GARBINCIUS, PH

GARREN, L

GOURLAY, SA

HARDING, DJ

KASPER, P

KREYMER, A

LEBRUN, P

SHUKLA, S

VITTONE, M

BIANCO, S

FABBRI, FL

SARWAR, S

ZALLO, A

CULBERTSON, R

GARDNER, RW

GREENE, R

WISS, J

ALIMONTI, G

BELLINI, G

CACCIANIGA, B

CINQUINI, L

DICORATO, M

GIAMMARCHI, M

INZANI, P

LEVERARO, F

MALVEZZI, S

MENASCE, D

MERONI, E

MORONI, L

PEDRINI, D

PERASSO, L

SALA, A

SALA, S

TORRETTA, D

BUCHHOLZ, D

CLAES, D

GOBBI, B

OREILLY, B

BISHOP, JM

机构：

[1] INFN,I-40126 BOLOGNA,ITALY

[2] UNIV COLORADO,BOULDER,CO 80309

[3] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[4] INFN,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY

[5] UNIV ILLINOIS,URBANA,IL 61801

[6] UNIV MILAN,DIPARTIMENTO FIS,I-20133 MILAN,ITALY

[7] INFN,I-20133 MILAN,ITALY

[8] NORTHWESTERN UNIV,EVANSTON,IL 60208

[9] UNIV NOTRE DAME,NOTRE DAME,IN 46556

[10] DIPARTIMENTO FIS TEORICA & NUCL,I-27100 PAVIA,ITALY

[11] INFN,I-27100 PAVIA,ITALY

[12] UNIV PUERTO RICO,MAYAGUEZ,PR 00708

[13] UNIV CALIF DAVIS,DAVIS,CA 95616

[14] UNIV S CAROLINA,COLUMBIA,SC 29208

[15] VANDERBILT UNIV,NASHVILLE,TN 37235

[16] UNIV N CAROLINA,ASHEVILLE,NC 28804

[17] NO KENTUCKY UNIV,HIGHLAND HTS,KY 41076

[18] UNIV TENNESSEE,KNOXVILLE,TN 37996

[19] KOREA UNIV,SEOUL 136701,SOUTH KOREA

来源：

PHYSICS LETTERS B | 1993年 / 313卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(93)91221-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Fermilab high-energy photoproduction experiment E687 measures a branching ratio of GAMMA(D(s)+ --> phimu+nu)/GAMMA(D(s)+ --> phipi+) = 0.58 +/- 0.17 (stat) +/- 0.07 (sys). This branching ratio is combined with theoretical inputs to obtain a new measurement of the D(s)+ absolute branching ratio of GAMMA(D(s)+ --> phipi+)/GAMMA(D(s)+ - all) = 0.031 +/- 0.009 (stat) +/- 0.005 (sys) +/- 0.004 (theoretical).

引用

页码：253 / 259

页数：7

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