REVIEW OF EXPERIMENTAL RESULTS ON ELECTROWEAK PENGUIN DECAYS OF b QUARK
نویسنده
چکیده
Status of experimental measurements of b → s(d) γ, b → s ll, and b → s νν̄ is reviewed. Future prospects are discussed. To be published in the Proceedings of the Seventh International Symposium on Heavy Flavor Physics, University of California, Santa Barbara, California, July 7-11, 1997.
منابع مشابه
The role of electroweak penguin and magnetic dipole QCD penguin on hadronic b Quark Decays
This research, works with the effective Hamiltonian and the quark model. Using, the decay rates of matter-antimatter of b quark was investigated. We described the effective Hamiltonian theory which was applied to the calculation of current-current (Q1,2), QCD penguin (Q3,…,6), magnetic dipole (Q8) and electroweak penguin (Q7,…,10) decay rates. The gluonic penguin structure of hadronic decays ...
متن کاملEffective Hamiltonian of Electroweak Penguin for Hadronic b Quark Decays
In this research we work with the effective Hamiltonian and the quark model. We investigate the decay rates of matter-antimatter of quark. We describe the effective Hamiltonian theory and apply this theory to the calculation of current-current ( ), QCD penguin ( ), magnetic dipole ( ) and electroweak penguin ( ) decay rates. The gluonic penguin structure of hadronic decays is studied thro...
متن کاملواپاشیهای پنگوئن درکوارک b
In this research, we are going to study the QCD penguin structure and calculate the second order approximation. The amplitude of decays related to QCD penguin in the quark model up to the first and second orders were calculated. We calculated the amplitude of QCD penguin on lowest order of αs for the first order of the decay processes b→qkg→qkqiqj and for the second order of the decay processes...
متن کاملElectroweak Penguin Contributions to Non - Leptonic ∆ F = 1 Decays at NNLO
We calculate the O(αs) corrections to the Z-penguin and electroweak box diagrams relevant for non-leptonic ∆F = 1 decays with F = S,B. This calculation provides the complete O(αWαs) and O(αWαs sin θWmt ) corrections (αW = α/ sin θW ) to the Wilson coefficients of the electroweak penguin four quark operators relevant for non-leptonic Kand B-decays. We argue that this is the dominant part of the ...
متن کاملProbing the Standard Model with Electroweak Penguin B Decays
Recent branching fraction and asymmetry results of Electroweak Penguin B decays from BaBar, Belle and CLEO experiments are reviewed. While these branching fractions are consistent with the Standard Model expectations and are being used to extract heavy quark model parameters and CKM matrix elements, the asymmetry results are just becoming sensitive to observe any new physics effects.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1997