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Measurement of the Ratio Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu) and Extraction of the CP Violation Parameter |eta+-|
NA48 Collaboration
We present a measurement of the ratio of the decay rates Gamma(KL -> pi+ pi-)/Gamma(KL -> pi e nu), denoted as Gamma(K2pi)/Gamma(Ke3). The analysis is based on data taken during a…
Observation of the decay Upsilon(4S) -> Upsilon(1S) pi+ pi-
The Belle Collaboration
We study transitions between Upsilon states with the emission of charged pions using 477 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- colli…
A Search for the Rare Leptonic Decays B+ -> mu+ nu and B+ -> e+ nu
N. Satoyama
We present a search for the decays B+ -> mu+ nu_mu and B+ -> e+ nu_e in a 253 fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energ…
Search for B+ -> J/psi eta' K+ and B0 -> J/psi eta' Ks0 Decays
Q. L. Xie
We report the results of searches for B+ -> J/psi eta' K+ and B0 -> J/psi eta' Ks0 decays, using a sample of 388 x 10^6 BBbar pairs collected with the Belle detector at the Upsilon…
Improved measurements of branching fractions and CP partial rate asymmetries for and
by C. -M. Jen, P. Chang, K. Abe +2
We report improved measurements of to pseudoscalar-vector decays containing an meson in the final states. Our results are obtained from a data sample that contains $388\tim…
The first observation of decay
Belle Collaboration
We present the first measurement of tau-decays to hadronic final states with a -meson. This is based on 401.4 fb of data accumulated at the Belle experiment. The branchin…
Observation of B Decays to Two Kaons
S. -W. Lin, P. Chang
Using 449 million BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider, we observe clear signals for B^+-> \bar{K}^0 K^+ and B^0-> \bar{K}^0…
Experimental Constraints on the Spin and Parity of the Lambda_c(2880)
R. Mizuk
We report the results of several studies of the Lambda_c+pi+pi-X final state in continuum e+e- annihilation data collected by the Belle detector. An analysis of angular distributio…
Study of the charmed baryonic decays and
K. S. Park, H. Kichimi
We study the three-body charmed baryonic decays and in the four-body final state $\bar{B}^0\toΛ_c^{+}\bar{p}π^+π^-…
Measurement of the near-threshold cross section using initial-state radiation
Belle Collaboration
We report a measurement of the exclusive cross section as a function of center-of-mass energy near the threshold wit…
Observation of a Near-threshold Enhancement in Decay
G. Gokhroo, G. Majumder
We report the first observation of a near-threshold enhancement in the system from decays using a 414 data sample col…
Search for Lepton Flavor Violating tau- Decays Including with a K0s Meson
Y. Miyazaki
We have searched for the lepton flavor violating decays $τ^-\to \ell^-\ks$ (), using a data sample of 281 fb collected with the Belle detector at the KEKB $…
Search for the h_c meson in B^+- ->h_c K^+-
F. Fang
We report a search for the meson via the decay chain , $\etac γ$ with and . No significant signals are obser…
Measurement of the CKM parameter cos(2phi_1) using time-dependent Dalitz analysis of B0bar -> D[Ks pi+ pi-] h0
P. Krokovny
We present a measurement of the angle phi1 of the CKM Unitarity Triangle using time-dependent Dalitz analysis of D -> Ks pi+ pi- decays produced in neutral B meson decay to a neutr…
Measurements of branching fractions and distributions for and Decays with Decay Tagging
T. Hokuue
We report measurements of the charmless semileptonic decays and , based on a sample of e…
Measurement of D0 -> pilnu (Klnu) Form Factors and Absolute Branching Fractions
L. Widhalm
Using a 282 1/fb data sample collected by the Belle experiment at the KEKB e+e- collider, we study D0 decays to K-l+nu and pi-l+nu final states. The D0 flavor and momentum are tagg…
Evidence of the Purely Leptonic Decay B- --> tau- nu_tau-bar
K. Ikado
We present the first evidence of the decay B- --> tau- nu_tau-bar using 414 fb^-1 of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-ener…
Search for neutrinoless decays tau -> lhh and tau -> lV0
Y. Yusa
We have searched for neutrinoless tau lepton decays into l h h or l V0, where l stands for an electron or muon, h for a charged light hadron, pi or K, and V0 for a neutral vector m…
Measurement of Forward-Backward Asymmetry and Wilson Coefficients in
A. Ishikawa
We report the first measurement of the forward-backward asymmetry and the ratios of Wilson coefficients and in , where repres…
Averages of b-hadron Properties at the End of 2005
Heavy Flavor Averaging Group, E. Barberio, I. Bizjak +26
This article reports world averages for measurements on b-hadron properties obtained by the Heavy Flavor Averaging Group (HFAG) using the available results as of at the end of 2005…
Improved Constraints on D0-D0bar Mixing in D0 -> K+ pi- Decays from the Belle Detector
L. M. Zhang, Z. P. Zhang, J. Li
We report the results of a search for D0-D0bar mixing in D0 -> K+ pi- decays based on 400 fb^{-1} of data accumulated by the Belle detector at KEKB. Both assuming CP conservation a…
Measurement of the branching fraction, polarization, and CP asymmetry for B0->rho+rho- decays, and determination of the CKM phase phi_2
A. Somov, A. J. Schwartz
We have measured the branching fraction B, longitudinal polarization fraction f_L, and CP asymmetry coefficients A and S for B0->rho+rho- decays with the Belle detector at the KEKB…