Search for B+-->D*+pi0 decay.
We report on a search for the doubly Cabibbo suppressed decay B+-->D*+pi0, based on a data sample of 657x10(6) BB pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find no significant signal and set an upper limit of B(B+-->D*+pi0)<3.6x10(-6) at the 90% confidence level. This limit can be used to constrain the ratio between suppressed and favored B-->D*pi decay amplitudes, r<0.051, at the 90% confidence level.
Iwabuchi
M
M
The Graduate University for Advanced Studies, Hayama.
Nakao
M
M
Adachi
I
I
Arinstein
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K
Aulchenko
V
V
Aushev
T
T
Bakich
A M
AM
Balagura
V
V
Barberio
E
E
Bay
A
A
Belous
K
K
Bhardwaj
V
V
Bitenc
U
U
Bozek
A
A
Bracko
M
M
Browder
T E
TE
Chen
A
A
Chen
W T
WT
Cheon
B G
BG
Cho
I-S
IS
Choi
Y
Y
Dalseno
J
J
Dash
M
M
Drutskoy
A
A
Eidelman
S
S
Fujikawa
M
M
Gabyshev
N
N
Ha
H
H
Haba
J
J
Hayasaka
K
K
Hazumi
M
M
Heffernan
D
D
Horii
Y
Y
Hoshi
Y
Y
Hou
W-S
WS
Hyun
H J
HJ
Inami
K
K
Ishikawa
A
A
Ishino
H
H
Itoh
R
R
Iwasaki
M
M
Kah
D H
DH
Kaji
H
H
Kang
J H
JH
Kawai
H
H
Kawasaki
T
T
Kichimi
H
H
Kim
H J
HJ
Kim
H O
HO
Kim
Y I
YI
Kim
Y J
YJ
Kinoshita
K
K
Korpar
S
S
Krizan
P
P
Krokovny
P
P
Kumar
R
R
Kuo
C C
CC
Kwon
Y-J
YJ
Lee
J S
JS
Lee
M J
MJ
Lee
S E
SE
Lesiak
T
T
Limosani
A
A
Lin
S-W
SW
Liu
C
C
Liu
Y
Y
Liventsev
D
D
Mandl
F
F
Matyja
A
A
McOnie
S
S
Medvedeva
T
T
Miyabayashi
K
K
Miyake
H
H
Miyata
H
H
Miyazaki
Y
Y
Moloney
G R
GR
Nakazawa
H
H
Natkaniec
Z
Z
Nishida
S
S
Nitoh
O
O
Ogawa
S
S
Ohshima
T
T
Okuno
S
S
Ozaki
H
H
Pakhlov
P
P
Pakhlova
G
G
Park
C W
CW
Park
H K
HK
Park
K S
KS
Peak
L S
LS
Pestotnik
R
R
Piilonen
L E
LE
Sahoo
H
H
Sakai
Y
Y
Schneider
O
O
Schümann
J
J
Schwanda
C
C
Sekiya
A
A
Senyo
K
K
Shapkin
M
M
Shibuya
H
H
Shiu
J-G
JG
Shwartz
B
B
Stanic
S
S
Staric
M
M
Sumisawa
K
K
Sumiyoshi
T
T
Suzuki
S
S
Tanaka
M
M
Teramoto
Y
Y
Tikhomirov
I
I
Trabelsi
K
K
Uchida
Y
Y
Uehara
S
S
Uglov
T
T
Unno
Y
Y
Uno
S
S
Urquijo
P
P
Usov
Y
Y
Varner
G
G
Varvell
K E
KE
Vervink
K
K
Wang
C C
CC
Wang
C H
CH
Wang
M-Z
MZ
Wang
P
P
Wang
X L
XL
Watanabe
Y
Y
Wicht
J
J
Won
E
E
Yamashita
Y
Y
Zhang
Z P
ZP
Zhilich
V
V
Zhulanov
V
V
Zupanc
A
A