Observation of $B^0 \to \omega K^0$, $B^+ \to \eta\pi^+$, and $B^+ \to \eta K^+$ and study of related decays
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V. Luth
- Function : Author
H.L. Lynch
- Function : Author
H. Marsiske
- Function : Author
S. Menke
- Function : Author
R. Messner
- Function : Author
D.R. Muller
- Function : Author
C.P. O'Grady
- Function : Author
V.E. Ozcan
- Function : Author
A. Perazzo
- Function : Author
M. Perl
- Function : Author
S. Petrak
- Function : Author
H. Quinn
- Function : Author
B.N. Ratcliff
- Function : Author
S.H. Robertson
- Function : Author
A. Roodman
- Function : Author
A.A. Salnikov
- Function : Author
T. Schietinger
- Function : Author
R.H. Schindler
- Function : Author
J. Schwiening
- Function : Author
G. Simi
- Function : Author
A. Snyder
- Function : Author
A. Soha
- Function : Author
S.M. Spanier
- Function : Author
J. Stelzer
- Function : Author
D. Su
- Function : Author
M.K. Sullivan
- Function : Author
H.A. Tanaka
- Function : Author
J. Vavra
- Function : Author
S.R. Wagner
- Function : Author
M. Weaver
- Function : Author
A.J.R. Weinstein
- Function : Author
W.J. Wisniewski
- Function : Author
D.H. Wright
- Function : Author
C.C. Young
- Function : Author
P.R. Burchat
- Function : Author
C.H. Cheng
- Function : Author
T.I. Meyer
- Function : Author
C. Roat
- Function : Author
R. Henderson
- Function : Author
W. Bugg
- Function : Author
H. Cohn
- Function : Author
J.M. Izen
- Function : Author
I. Kitayama
- Function : Author
X.C. Lou
- Function : Author
F. Bianchi
- Function : Author
M. Bona
- Function : Author
D. Gamb
- Function : Author
L. Bosisio
- Function : Author
G. Della Ricca
- Function : Author
S. Dittongo
- Function : Author
L. Lanceri
- Function : Author
P. Poropat
- Function : Author
L. Vitale
- Function : Author
G. Vuagnin
- Function : Author
R.S. Panvini
- Function : Author
S. Banerjee
- Function : Author
C.M. Brown
- Function : Author
D. Fortin
- Function : Author
P.D. Jackson
- Function : Author
R. Kowalewski
- Function : Author
J.M. Roney
- Function : Author
H.R. Band
- Function : Author
S. Dasu
- Function : Author
M. Datta
- Function : Author
A.M. Eichenbaum
- Function : Author
H. Hu
- Function : Author
J.R. Johnson
- Function : Author
R. Liu
- Function : Author
F. Di Lodovico
- Function : Author
A. Mohapatra
- Function : Author
Y. Pan
- Function : Author
R. Prepost
- Function : Author
I.J. Scott
- Function : Author
S.J. Sekula
- Function : Author
J.H. von Wimmersperg-Toeller
- Function : Author
J. Wu
- Function : Author
S.L. Wu
- Function : Author
Z. Yu
- Function : Author
H. Neal
- Function : Author
Abstract
We present measurements of branching fractions and charge asymmetries for seven B-meson decays with an eta, eta' or omega meson in the final state. The data sample corresponds to 89 million BBbar pairs produced from e+e- annihilation at the Upsilon(4S) resonance. We measure the following branching fractions in units of 10^{-6}: B(etapi+)=5.3+/-1.0+/-0.3, B(etaK+)=3.4+/-0.8+/-0.2, B(etaK0)=2.9+/-1.0+/- 0.2 (<5.2, 90% C.L.), B(eta'pi+=2.7+/-1.2+/-0.3 (<4.5, 90% C.L.), B(omegapi+)=5.5+/-0.9+/-0.5, B(omegaKp)=4.8+/-0.8+/-0.4, and B(omegaK0)=5.9+1.6-1.3+/-0.5. The charge asymmetries are A_ch(etapi+)=-0.44+/-0.18+/-0.01, A_ch(etaK+)=-0.52+/-0.24+/-0.01, A_ch(omegapi+)=0.03+/-0.16+/-0.01 and A_ch(omegaK+)=-0.09+/-0.17+/-0.01.