MEASUREMENT OF THE DECAY B- -] D(STAR0)L(-)NU-BAR

被引：29

作者：

ALBRECHT, H

EHRLICHMANN, H

HAMACHER, T

KRUGER, A

NAU, A

NIPPE, A

NOWAK, S

REIDENBACH, M

SCHAFER, M

SCHRODER, H

SCHULZ, HD

WALTER, M

WURTH, R

APPUHN, RD

HAST, C

HERRERA, G

KOLANOSKI, H

LANGE, A

LINDNER, A

MANKEL, R

SCHIEBER, M

SIEGMUND, T

SPAAN, B

THURN, H

TOPFER, D

WALTHER, A

WEGENER, D

PAULINI, M

REIM, K

WEGENER, H

MUNDT, R

OEST, T

SCHMIDTPARZEFALL, W

FUNK, W

STIEWE, J

WERNER, S

EHRET, K

HOLSCHER, A

HOFMANN, W

HUPPER, A

KHAN, S

KNOPFLE, KT

SPENGLER, J

BRITTON, DI

CHARLESWORTH, CEK

EDWARDS, KW

KAPITZA, H

KRIEGER, P

MACFARLANE, DB

PATEL, PM

机构：

[1] UNIV DORTMUND, INST PHYS, W-4600 DORTMUND 50, GERMANY

[2] UNIV ERLANGEN NURNBERG, INST PHYS, W-8520 ERLANGEN, GERMANY

[3] UNIV HAMBURG, INST EXPTL PHYS 2, W-2000 HAMBURG 13, GERMANY

[4] UNIV HEIDELBERG, INST HOCHENERGIEPHYS, W-6900 HEIDELBERG 1, GERMANY

[5] MAX PLANCK INST NUCL PHYS, W-6900 HEIDELBERG 1, GERMANY

[6] UNIV KARLSRUHE, INST EXPTL KERNPHYS, W-7500 KARLSRUHE, GERMANY

[7] UNIV LJUBLJANI, INST J STEFAN & ODDELEK FIZIKO, YU-61111 LJUBLJANA, SLOVENIA

[8] UNIV LUND, INST PHYS, S-22362 LUND, SWEDEN

[9] MOSCOW THEORET & EXPTL PHYS INST, MOSCOW 117259, USSR

来源：

PHYSICS LETTERS B | 1992年 / 275卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1016/0370-2693(92)90875-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the ARGUS detector at the e+e- storage ring DORIS II at DESY, we have studied the decay B- --> D*0l-nuBAR, where l- = e- or mu-, using the D(0)gamma and D(0)pi(0) decay modes of the D*0 meson. B mesons were produced in 209 000 decays of UPSILON (4S). Assuming electron-muon universality, we obtain a value for the branching ratio of BR(B- --> D*0l-nuBAR) = (5.8 +/- 1.4 +/- 1.3)%.

引用

页码：195 / 201

页数：7

共 25 条

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