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Evidence for Direct CP Violation in and Observation of
C. -T. Hoi, P. Chang
We report measurements of the branching fractions and CP asymmetries for B^+- -> eta h^+- (h = K or pi) and the observation of the decay B^0 -> eta K^0 from the final data sample o…
Belle II Detector: Status and Proposed US Contributions
J. Fast
High precision flavor physics measurements are an essential complement to the direct searches for new physics at the LHC. Such measurements will be performed using the upgraded Bel…
Search for charmonium and charmonium-like states in Υ(2S) radiative decays
X. L. Wang, C. P. Shen, C. Z. Yuan +2
Using a sample of 158 million Υ(2S) events collected with the Belle detector, charmonium and charmonium-like states with even charge parity are searched for in Υ(2S) radiative deca…
Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays
S. -K. Choi, S. L. Olsen, K. Trabelsi
We present results from a study of X(3872) --> pi+pi- J/psi decays produced via exclusive B--> K X(3872) decays. We determine the mass to be M_X(3872)= (3871.84\pm 0.27 (stat)\pm 0…
First Observation of Radiative B^0 -> ϕK^0 γDecays and Measurements of Their Time-Dependent CP Violation
H. Sahoo, T. E. Browder
We report the first observation of the radiative decay B^0 -> ϕK^0 γusing a data sample of 772 x 10^6 B B-bar pairs collected at the Υ(4S) resonance with the Belle detector at the…