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Search for charmonium and charmonium-like states in radiative decays
C. P. Shen
Using a sample of 102 million events collected with the Belle detector, we report on the first search for charge-parity-even charmonium and charmonium-like states in $Υ(1S)…
Measurements of Branching Fractions for B0 --> Ds+pi- and B0-bar --> Ds+K-
The Belle Collaboration, A. Das
We present improved measurements of the branching fractions for the decays B0 --> Ds+pi- and B0-bar --> Ds+K- using a data sample of 657x10^6 BB-bar events collected at the Y(4S) r…
Measurement of CP violating asymmetries in B^0 -> K^+K^- K^0_S decays with a time-dependent Dalitz approach
Belle Collaboration, Y. Nakahama, K. Sumisawa +133
We report a measurement of violating asymmetries in decays with a time-dependent Dalitz approach. This analysis is based on a data samp…
An Updated Numerical Analysis of eV Seesaw with Four Generations
Wei-Shu Hou, Fei-Fan Lee
We consider the so-called "eV seesaw" scenario, with right-handed Majorana mass at eV order, extended to four lepton generations. The fourth generation gives a heavy pseudo-D…
Measurement of Y(5S) decays to B^0 and B^+ mesons
A. Drutskoy
Decays of the Y(5S) resonance to channels with B^+ and B^0 mesons are studied using a 23.6 fb^{-1} data sample collected with the Belle detector at the KEKB asymmetric-energy e^+ e…
Leading Effect of CP Violation with Four Generations
Wei-Shu Hou, Yao-Yuan Mao, Chia-Hsien Shen
In the Standard Model with a fourth generation of quarks, we study the relation between the Jarlskog invariants and the triangle areas in the 4-by-4 CKM matrix. To identify the lea…