Measurement of Inclusive B Meson Decays Into Baryons
Author | : ARGUS Collaboration |
Publisher | : |
Total Pages | : 9 |
Release | : 1988 |
Genre | : |
ISBN | : |
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Author | : ARGUS Collaboration |
Publisher | : |
Total Pages | : 9 |
Release | : 1988 |
Genre | : |
ISBN | : |
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Release | : 1988 |
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Release | : 1992 |
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Author | : ARGUS Collaboration |
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Total Pages | : |
Release | : 1992 |
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Release | : 1988 |
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Author | : ARGUS Collaboration |
Publisher | : |
Total Pages | : 5 |
Release | : 1988 |
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Author | : Stephanie A. Majewski |
Publisher | : |
Total Pages | : 218 |
Release | : 2007 |
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Author | : Frank Reiner Wappler |
Publisher | : |
Total Pages | : 122 |
Release | : 2000 |
Genre | : Baryons |
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Author | : Sheldon Stone |
Publisher | : World Scientific |
Total Pages | : 676 |
Release | : 1994 |
Genre | : Science |
ISBN | : 9789810218973 |
This 2nd edition is an extensive update of "B Decays?. The revisions are necessary because of the extensive amount of new data and new theoretical ideas. This book reviews what is known about b-quark decays and also looks at what can be learned in the future.The importance of this research area is increasing, as evidenced by the approval of the luminosity upgrade for CESR and the asymmetric B factories at SLAC and KEK, and the possibility of experiments at hadron colliders.The key experimental observations made thus far, measurement of the lifetimes of the different B species, B0-B0 mixing, the discovery of ?Penguin? mediated decays, and the extraction of the CKM matrix elements Vub and Vcb from semileptonic decays, as well as more mundane results, are described in great detail by the experimentalists who have been closely involved with making the measurements. Theoretical progress in understanding b-quark decays using HQET and lattice gauge techniques are described by theorists who have developed and used these techniques.Synthesizing the experimental and theoretical information, several articles discuss the implications for the ?Standard Model? and how further tests can be done using measurements of CP violation in the B system.
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Total Pages | : 206 |
Release | : 2006 |
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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.