Observation of the Baryonic Flavor-Changing Neutral Current Decay [Lambda]b0 → [Lambda]μ+μ-.
Observation of the Baryonic Flavor-Changing Neutral Current Decay [Lambda]b0 → [Lambda]μ+μ-.

Author:

Publisher:

Published: 2011

Total Pages: 8

ISBN-13:

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The authors report the first observation of the baryonic flavor-changing neutral current decay [Lambda]b0 → [Lambda]μ+μ- with 24 signal events and a statistical significance of 5.8 Gaussian standard deviations. This measurement uses a pp̄ collisions data sample corresponding to 6.8 fb-1 at √s = 1.96 TeV collected by the CDF II detector at the Tevatron collider. The total and differential branching ratios for [Lambda]b0 → [Lambda]μ+μ- are measured. They find [Beta]([Lambda]b0 → [Lambda]μ+μ-) = [1.73 ± 0.42(stat) ± 0.55(syst)] x 10-6. They also report the first measurement of the differential branching ratio of Bs0→[phi]μ+μ- using 49 signal events. In addition, they report branching ratios for B+→K+μ+μ-, B0→K0μ+μ- and [Beta]→ K*(892)μ+μ- decays.

Observation of the Baryonic Flavor-Changing Neutral Current Decay $\Lambda_b0̂ \to \Lambda \mu+̂ \mu-̂$
Observation of the Baryonic Flavor-Changing Neutral Current Decay $\Lambda_b0̂ \to \Lambda \mu+̂ \mu-̂$

Author:

Publisher:

Published: 2011

Total Pages: 7

ISBN-13:

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The authors report the first observation of the baryonic flavor-changing neutral current decay?{sub b}° →???− with 24 signal events and a statistical significance of 5.8 Gaussian standard deviations. This measurement uses a p{bar p} collisions data sample corresponding to 6.8 fb−1 at √s = 1.96 TeV collected by the CDF II detector at the Tevatron collider. The total and differential branching ratios for?{sub b}° →??+?− are measured. They find?(?{sub b}° →??+?−) = [1.73 ± 0.42(stat) ± 0.55(syst)] x 10−6. They also report the first measurement of the differential branching ratio of B{sub s}° →??+?− using 49 signal events. In addition, they report branching ratios for B+ → K+?+?−, B° → K°?+?− and B → K*(892)?+?− decays.

The Lund Model
The Lund Model

Author: Bo Andersson

Publisher: Cambridge University Press

Published: 2023-07-31

Total Pages: 485

ISBN-13: 1009401254

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Heavy Flavours
Heavy Flavours

Author: A J Buras

Publisher: World Scientific

Published: 1992-11-26

Total Pages: 803

ISBN-13: 9814602825

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This volume is a collection of review articles on the most outstanding topics in heavy flavour physics. All the authors have made significant contributions to this field. The book reviews in detail the theoretical structure of heavy flavour physics within the Standard Model and its confrontation with existing experimental data.The physics of the top quark and of the Higgs play an important role in this volume. Beginning with radiative electroweak corrections and their impressive tests at LEP and hadron colliders, the book summarizes the present status of quark mixing, CP violation and rare decays. The dynamics of exclusive D- and B-meson decays, the τ-lepton physics and the newly discovered heavy quark symmetries are discussed in detail. The impact of strong interactions on weak decays is clearly visible in many articles. The physics of heavy flavours at LEP, HERA and hadron colliders constitutes an important part of the book. Another significant topic is the possible role of heavy flavours in the spontaneous symmetry breaking of gauge symmetries. Finally the most recent advances in lattice calculations of the properties of heavy flavours and the lattice studies of the dynamics of heavy flavours are presented.