The Inclusive Radiative B X S Gamma Decay In The Standard Model PDF Download
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Author | : Ulrich Haisch |
Publisher | : |
Total Pages | : 156 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download The Inclusive Radiative B X S Gamma Decay in the Standard Model Book in PDF, ePub and Kindle
Author | : Ulrich Haisch |
Publisher | : |
Total Pages | : 156 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download The Inclusive Radiative B -> XS[gamma] [B -> X S Gamma] Decay in the Standard Model Book in PDF, ePub and Kindle
Author | : Ulrich Haisch |
Publisher | : |
Total Pages | : |
Release | : 2002 |
Genre | : |
ISBN | : |
Download The Inclusive Radiative B -] XSγ [B -] XS Gamma] Decay in the Standard Model Book in PDF, ePub and Kindle
Author | : Ulrich Haisch |
Publisher | : |
Total Pages | : 0 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download The Inclusive Radiative B → XSγ [B → X S Gamma] Decay in the Standard Model Book in PDF, ePub and Kindle
Author | : Ulrich Haisch |
Publisher | : |
Total Pages | : 156 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download The Inclusive Radiative B → XSγ [B → X S Gamma] Decay in the Standard Model Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 7 |
Release | : 1994 |
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Download Radiative B Decays Book in PDF, ePub and Kindle
We summarize the constraints placed on physics beyond the Standard Model from the recent CLEO observations of the exclusive decay B → K*[gamma] and bound on the inclusive model b → s[gamma].
Author | : Christoph Schmell |
Publisher | : |
Total Pages | : 151 |
Release | : 2011 |
Genre | : |
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Download The Inclusive Radiative Decay B̄ --> X S [gamma] in the Randall-Sundrum Model Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 206 |
Release | : 2006 |
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Download Measurement of Inclusive Radiative B -Meson Decay B -] X_s Gamma Book in PDF, ePub and Kindle
Radiative decays of the B meson, B 2!X{sub s}[gamma], proceed via virtual flavor changing neutral current processes that are sensitive to contributions from high mass scales, either within the Standard Model of electroweak interactions or beyond. In the Standard Model, these transitions are sensitive to the weak interactions of the top quark, and relatively robust predictions of the inclusive decay rate exist. Significant deviation from these predictions could be interpreted as indications for processes not included in the minimal Standard Model, like interactions of charged Higgs or SUSY particles. The analysis of the inclusive photon spectrum from B 2!X{sub s}[gamma] decays is rather challenging due to high backgrounds from photons emitted in the decay of mesons in B decays as well as ee− annihilation to low mass quark and lepton pairs. Based on 88.5 million B{bar B} events collected by the BABAR detector, the photon spectrum above 1.9 GeV is presented. By comparison of the first and second moments of the photon spectrum with QCD predictions (calculated in the kinetic scheme), QCD parameters describing the bound state of the b quark in the B meson are extracted: m{sub b} = (4.45 ± 0.16) GeV/c2; [mu]{sub {pi}}2 = (0.65 ± 0.29) GeV2. These parameters are useful input to non-perturbative QCD corrections to the semileptonic B decay rate and the determination of the CKM parameter.
Author | : Jesse Abram Ernst |
Publisher | : |
Total Pages | : 292 |
Release | : 1995 |
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Download First Measurement of the Rate for the Inclusive Radiative Penguin Decay B --> S [gamma] Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 217 |
Release | : 2010 |
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Download Measurements of B -] V Gamma Decays Book in PDF, ePub and Kindle
The standard model has been highly successful at describing current experimental data. However, extensions of the standard model predict particles that have masses at energy scales that are above the electroweak scale. The flavor-changing neutral current processes of the B meson are sensitive to the influences of these new physics contributions. These processes proceed through loop diagrams, thus allowing new physics to enter at the same order as the standard model. New physics may contribute to the enhancement or suppression of rate asymmetries or the decay rates of these processes. The transition B → V[gamma] (V = K*(892), [rho](770), [omega](782), [phi](1020)) represents radiative decays of the B meson that proceed through penguin processes. Hadronic uncertainties limit the theoretical accuracy of the prediction of the branching fractions. However, uncertainties, both theoretical and experimental, are much reduced when considering quantities involving ratios of branching fractions, such as CP or isospin asymmetries. The most dominant exclusive radiative b → s transition is B → K*[gamma]. We present the best measurements of the branching fractions, direct CP, and isospin asymmetries of B → K*[gamma]. The analogous b → d transitions are B → [rho][gamma] and B → [omega][gamma], which are suppressed by a factor of.