MEASUREMENT OF THE RATIO OF BRANCHING FRACTIONS B(D-O-]PI(-)E(+)V(E))/B(D-O-]K(-)E(+)V(E))

被引：29

作者：

BUTLER, F

FU, X

NEMATI, B

ROSS, WR

SKUBIC, P

WOOD, M

BISHAI, M

FAST, J

GERNDT, E

HINSON, JW

MCILWAIN, RL

MIAO, T

MILLER, DH

MODESITT, M

PAYNE, D

SHIBATA, EI

SHIPSEY, LPJ

WANG, PN

GIBBONS, L

KWON, Y

ROBERTS, S

THORNDIKE, EH

COAN, TE

DOMINICK, J

FADEYEV, V

KOROLKOV, I

LAMBRECHT, M

SANGHERA, S

SHELKOV, V

SKWARNICKI, T

STROYNOWSKI, R

VOLOBOUEV, I

WEI, G

ARTUSO, M

GAO, M

GOLDBERG, M

HE, D

HORWITZ, N

MONETI, GC

MOUNTAIN, R

MUHEIM, F

MUKHIN, Y

PLAYFER, S

ROZEN, Y

STONE, S

XING, X

ZHU, G

BARTELT, J

CSORNA, SE

EGYED, Z

机构：

[1] PURDUE UNIV,W LAFAYETTE,IN 47907

[2] UNIV ROCHESTER,ROCHESTER,NY 14627

[3] SO METHODIST UNIV,DALLAS,TX 75275

[4] SYRACUSE UNIV,SYRACUSE,NY 13244

[5] VANDERBILT UNIV,NASHVILLE,TN 37235

[6] VIRGINIA POLYTECH INST & STATE UNIV,BLACKSBURG,VA 24061

[7] CALTECH,PASADENA,CA 91125

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

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

[10] UNIV COLORADO,BOULDER,CO 80309

[11] CORNELL UNIV,ITHACA,NY 14853

[12] UNIV FLORIDA,GAINESVILLE,FL 32611

[13] HARVARD UNIV,CAMBRIDGE,MA 02138

[14] UNIV ILLINOIS,URBANA,IL 61801

[15] CARLETON UNIV,OTTAWA,ON K1S 5B6,CANADA

[16] INST PARTICLE PHYS,OTTAWA,ON K1S 5B6,CANADA

[17] MCGILL UNIV,MONTREAL,PQ H3A 2T8,CANADA

[18] INST PARTICLE PHYS,MONTREAL,PQ H3A 2T8,CANADA

[19] ITHACA COLL,ITHACA,NY 14850

[20] UNIV KANSAS,LAWRENCE,KS 66045

[21] UNIV MINNESOTA,MINNEAPOLIS,MN 55455

[22] SUNY ALBANY,ALBANY,NY 12222

[23] OHIO STATE UNIV,COLUMBUS,OH 43210

[24] UNIV HAWAII MANOA,HONOLULU,HI 96822

来源：

PHYSICAL REVIEW D | 1995年 / 52卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.52.2656

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using 3.0 fb(-1) of data collected with the CLEO-II detector, we study the Cabibbo-suppressed decay D-0-->pi(-)e(+)nu(e). The ratio of the branching fractions B(D-0-->pi(-)e(+)nu(e))/B(D-0 -->K(-)e(+)nu(e)) is measured to be (10.3+/-3.9+/-1.3)%, corresponding to an upper limit of 15.6% at the 90% confidence level.

引用

页码：2656 / 2660

页数：5

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