2-BODY DS+ DECAYS TO ETA-PI+, ETA'PI+, ETA-RHO+, ETA'RHO+, AND PHI-RHO+

被引：9

作者：

DAOUDI, M

FORD, WT

JOHNSON, DR

LINGEL, K

LOHNER, M

RANKIN, P

SMITH, JG

ALEXANDER, J

BEBEK, C

BERKELMAN, K

BESSON, D

BROWDER, TE

CASSEL, DG

CHEU, E

COFFMAN, DM

DRELL, PS

EHRLICH, R

GALIK, RS

GARCIASCIVERES, M

GEISER, B

GITTELMAN, B

GRAY, SW

HARTILL, DL

HELTSLEY, BK

HONSCHEID, K

KANDASWAMY, J

KATAYAMA, N

KIM, PC

KREINICK, DL

LEWIS, JD

LUDWIG, GS

MASUI, J

MEVISSEN, J

MISTRY, NB

NANDI, S

NG, CR

NORDBERG, E

OGRADY, C

PATTERSON, JR

PETERSON, D

PISHARODY, M

RILEY, D

SAPPER, M

SELEN, M

WORDEN, H

WORRIS, M

AVERY, P

FREYBERGER, A

RODRIGUEZ, J

YELTON, J

机构：

[1] CORNELL UNIV,ITHACA,NY 14853

[2] UNIV FLORIDA,GAINESVILLE,FL 32611

[3] HARVARD UNIV,CAMBRIDGE,MA 02138

[4] ITHACA COLL,ITHACA,NY 14850

[5] UNIV KANSAS,LAWRENCE,KS 66045

[6] UNIV MINNESOTA,MINNEAPOLIS,MN 55455

[7] SUNY ALBANY,ALBANY,NY 12222

[8] OHIO STATE UNIV,COLUMBUS,OH 43210

[9] UNIV OKLAHOMA,NORMAN,OK 73019

[10] PURDUE UNIV,W LAFAYETTE,IN 47907

[11] UNIV ROCHESTER,ROCHESTER,NY 14627

[12] SYRACUSE UNIV,SYRACUSE,NY 13244

[13] VANDERBILT UNIV,NASHVILLE,TN 37235

[14] CALTECH,PASADENA,CA 91125

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

[16] CARNEGIE MELLON UNIV,PITTSBURGH,PA 15213

来源：

PHYSICAL REVIEW D | 1992年 / 45卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.45.3965

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have made measurements of several D(s) branching ratios, relative to the phi-pi+ mode. We have observed two previously unseen two-body hadronic decays of the D(s)+, namely eta-rho+ and eta'rho+, and measure relative branching ratios of 2.86+/-0.38(-0.38)+0.36 and 3.44+/-0.62(-0.46)+0.44, respectively. We have determined the relative branching ratio for the decay into phi-rho+ to be 1.86+/-0.26(-0.40)+0.29. In addition, we have measured relative branching ratios for the eta-pi+ and eta'pi+ states, for which there had previously been conflicting measurements; our results are 0.54+/-0.09+/-0.06 and 1.20+/-0.15+/-0.11, respectively. Combining these new measurements with previous results and using (3.7+/-1.2)% for the value of B(D(s)-->phi-pi+), we can account for almost-equal-to (79+/-26)% of all D(s)+ decays. In addition we have also measured relative branching ratios or set upper limits on D+ decays to all of the above-mentioned final states.

引用

页码：3965 / 3975

页数：11

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