Direct measurement of the J/ psi leptonic branching fraction.
Coffman
D
DeJongh
F
Dubois
GP
Eigen
G
Hitlin
DG
Matthews
CG
Richman
J
Weinstein
AJ
Wisniewski
WJ
Zhu
Y
Bolton
T
Bunnell
KO
Cassell
RE
Coward
DH
Kim
PC
Labs
J
Odian
A
Pitman
D
Schindler
RH
Toki
W
Wasserbaech
S
Drinkard
JJ
Gatto
C
Heusch
CA
Lockman
WS
Sadrozinski
HF
Scarlatella
M
Schalk
TL
Seiden
A
Xu
R
Eisenstein
BI
Freese
T
Gladding
G
Izen
JM
Stockdale
IE
Tripsas
B
Mallik
U
Wang
MZ
Brown
JS
Burnett
TH
Li
AD
Mir
R
Mockett
PM
Nemati
B
Parrish
L
Willutzki
H