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35 papers · 2 filters
Comment on extracting alpha from B -> rho rho
Adam F. Falk, Zoltan Ligeti, Yosef Nir +1
Recent experimental results on decays indicate that the CP asymmetry will give an interesting determination of . I…
High-precision QCD at hadron colliders: electroweak gauge boson rapidity distributions at NNLO
Charalampos Anastasiou, Lance Dixon, Kirill Melnikov +1
We compute the rapidity distributions of W and Z bosons produced at the Tevatron and the LHC through next-to-next-to leading order in QCD. Our results demonstrate remarkable stabil…
Untagged B -> X_(s+d) gamma CP asymmetry as a probe for new physics
T. Hurth, E. Lunghi, W. Porod
The direct CP asymmetry in the untagged inclusive channel B -> X_(s+d) gamma provides a strict test of the standard model. It has been shown beyond the partonic level that this asy…
The rare decay B --> X_s l^+ l^- to NNLL precision for arbitrary dilepton invariant mass
A. Ghinculov, T. Hurth, G. Isidori +1
We present a new phenomenological analysis of the inclusive rare decay . In particular, we present the first calculation of the NNLL contributions due to th…
Lepton-flavor mixing and decays
Yuval Grossman, Gino Isidori, Hitoshi Murayama
The impact of possible sources of lepton-flavor mixing on decays is analysed. At the one-loop level lepton-flavor mixing originated from non-diagonal lepton mass ma…
Top Quarks and Electroweak Symmetry Breaking in Little Higgs Models
Maxim Perelstein, Michael E. Peskin, Aaron Pierce
`Little Higgs' models, in which the Higgs particle arises as a pseudo-Goldstone boson, have a natural mechanism of electroweak symmetry breaking associated with the large value of…