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Fourth Generation CP Violation Effect on B -> K pi, phi K and rho K in NLO PQCD
Wei-Shu Hou, Hsiang-nan Li, Satoshi Mishima +1
We study the effect from a sequential fourth generation quark on penguin-dominated two-body nonleptonic B meson decays in the next-to-leading order perturbative QCD formalism. With…
Search for Invisible Decay of the
The Belle Collaboration, O. Tajima, H. Hayashii +4
We report results of a search for the invisible decay of the Upsilon(1S) via the Upsilon(3S)->pi+pi-Upsilon(1S) transition using a data sample of 2.9 fb^{-1} at the Upsilon(3S) res…
Large Time-dependent CP Violation in B_s^0 System and Finite D^0-D^0bar Mass Difference in Four Generation Standard Mode
Wei-Shu Hou, Makiko Nagashima, Andrea Soddu
Combining the measured B_s mixing with b \to s\ell^+\ell^- rate data, we find a sizable 4 generation t' quark effect is allowed, for example with m_{t'} \sim 300 GeV and V_{t's}^*V…
Observation of Time-Dependent CP Violation in B0 -> eta' K0 Decays and Improved Measurements of CP Asymmetries in B0 -> phiK0, KsKsKs and B0 -> J/psi K0 Decays
The Belle Collaboration, K. -F. Chen
We present improved measurements of CP-violation parameters in B0->phiK0, eta'K0, KsKsKs decays based on a sample of 535x10^6 BBbar pairs collected at the Y(4S) resonance with the…
Time-Dependent CP Asymmetries in B0 -> Ks pi0 gamma transitions
The Belle Collaboration, Y. Ushiroda, K. Sumisawa
We report measurements of CP violation parameters in B0->Ks pi0 gamma transitions based on a data sample of 535x10^6 BB pairs collected with the Belle detector at the KEKB asymmetr…
Searching for the Bottom Counterparts of X(3872) and Y(4260) via
Wei-Shu Hou
The X(3872) and Y(4260), among a host of charmonium-like mesons, have rather unusual properties: the former has very small total width, the latter has large rate into c…