Search for CP violation in B+/- --> J/psiK+/- and B+/- --> psi(2S)K+/- decays.
We present a search for direct CP violation in B+/--->J/psiK+/- and B+/--->psi(2S)K+/- decays. In a sample of 9.7x10(6) B&Bmacr; meson pairs collected with the CLEO detector, we have fully reconstructed 534 B+/--->J/psiK+/- and 120 B+/--->psi(2S)K+/- decays with very low background. We have measured the CP-violating charge asymmetry to be [+1.8+/-4.3(stat)+/-0.4(syst)]% for B+/--->J/psiK+/- and [+2.0+/-9. 1(stat)+/-1.0(syst)]% for B+/--->psi(2S)K+/-.
Bonvicini
G
G
Wayne State University, Detroit, Michigan 48202, USA.
Cinabro
D
D
McGee
S
S
Perera
L P
LP
Zhou
G J
GJ
Lipeles
E
E
Pappas
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S
Schmidtler
M
M
Shapiro
A
A
Sun
W M
WM
Weinstein
A J
AJ
Jaffe
D E
DE
Masek
G
G
Paar
H P
HP
Potter
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Prell
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Sharma
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V
Asner
D M
DM
Eppich
A
A
Hill
T S
TS
Morrison
R J
RJ
Nelson
H N
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Briere
R A
RA
Behrens
B H
BH
Ford
W T
WT
Gritsan
A
A
Roy
J
J
Smith
J G
JG
Alexander
J P
JP
Baker
R
R
Bebek
C
C
Berger
B E
BE
Berkelman
K
K
Blanc
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F
Boisvert
V
V
Cassel
D G
DG
Dickson
M
M
Drell
P S
PS
Ecklund
K M
KM
Ehrlich
R
R
Foland
A D
AD
Gaidarev
P
P
Gibbons
L
L
Gittelman
B
B
Gray
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SW
Hartill
D L
DL
Heltsley
B K
BK
Hopman
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PI
Jones
C D
CD