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Related papers: Beyond the standard model with B physics

200 papers

The exploration of B-meson decays has reached an unprecedented level of sophistication, with a phase of even much higher precision ahead of us thanks to run 2 of the LHC and the future era of Belle II and the LHCb upgrade. For many…

High Energy Physics - Phenomenology · Physics 2015-09-03 Robert Fleischer

A short summary is given of the current status of B physics. Reasons for physics beyond the Standard Model are discussed. Constraints on New Physics are given using measurements of B mixing, Bs mixing, and CP violation, along with |Vub.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Sheldon Stone

We examine the indirect effects of new physics on a variety of processes in the $B$ system, such as the $Z\to b\bar b$ vertex, the decays $B\to X_s \gamma$ and $B\to X_s\ell^+\ell^-$, and CP violation. {Presented at the 4th International…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. L. Hewett

Rare b decays provide a unique opportunity to measure Standard Model parameters and probe beyond the Standard Model. We review here the experimentalprogress made in measuring these decays, and the importance of future measurements,…

High Energy Physics - Phenomenology · Physics 2009-10-28 Stephen Playfer , Sheldon Stone

Rare decays of b hadrons provide a powerful way of identifying contributions from physics beyond the Standard Model, in particular from new hypothetical particles too heavy to be produced at colliders. The most relevant experimental…

High Energy Physics - Experiment · Physics 2020-04-27 Patrick Koppenburg , Zdenek Dolezal , Maria Smizanska

The rare decay B -> K* (-> K pi) mu+ mu- is regarded as one of the crucial channels for B physics as the polarization of the K* allows a precise angular reconstruction resulting in many observables that offer new important tests of the…

High Energy Physics - Phenomenology · Physics 2011-05-23 Wolfgang Altmannshofer , Patricia Ball , Aoife Bharucha , Andrzej J. Buras , David M. Straub , Michael Wick

The observation of a sizable direct CP asymmetry in the inclusive decays B -> X_s gamma would be a clean signal of New Physics. In the Standard Model, this asymmetry is below 1% in magnitude. In extensions of the Standard Model with new…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matthias Neubert

We cover some current topics in Beyond the Standard Model phenomenology, with an emphasis on collider (particularly Large Hadron Collider) phenomenology. We begin with a review of the Standard Model and some unresolved mysteries that it…

High Energy Physics - Phenomenology · Physics 2019-06-12 B. C. Allanach

We review new physics effects on CP violation in B decays. We describe the Standard Model predictions for the various types of CP asymmetries and discuss the theoretical cleanliness of these predictions. We point out the ingredients in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yosef Nir

This paper gives a brief overview of the present and expected future limits on physics beyond the Standard Model (SM) from neutron beta decay, which is described by two parameters only within the SM. Since more than two observables are…

Nuclear Experiment · Physics 2012-11-05 G. Konrad , W. Heil , S. Baeßler , D. Počanić , F. Glück

In the Standard Model (SM) the photon in radiative $\bar B^0$ and $\bar B_s$ decays is predominantly left-handed. Thus, mixing induced CP asymmetries in $b\to s\gamma$ and $b\to d\gamma$ are suppressed by $m_s/m_b$ and $m_d/m_b$,…

High Energy Physics - Phenomenology · Physics 2014-11-17 David Atwood , Michael Gronau , Amarjit Soni

Six major frameworks have emerged attempting to describe particle physics beyond the Standard Model. Despite their different theoretical genera, these frameworks have a number of common phenomenological features and problems. While it will…

High Energy Physics - Phenomenology · Physics 2015-03-17 Joseph D. Lykken

We present the contributions of new CP phases in CP asymmetries of two-body neutral $B_s$ decays coming from a left--right model with spontaneous CP violation. Large deviations from the Standard Model predictions can be accommodated in a…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Matias

We motivate that the start-up of the B factories has opened a new precision flavour physics era, with an important effect on model building. Using as an example a left-right model with spontaneous CP violation, we will show how the…

High Energy Physics - Phenomenology · Physics 2011-03-23 Joaquim Matias

An overview of recent theoretical developments in rare leptonic B decays is given. New physics effects on branching ratio and CP violation in the decays are analyzed in models beyond SM (supersymmetric models and two Higgs doublet models).

High Energy Physics - Phenomenology · Physics 2014-11-17 Chao-Shang Huang

Some selected topics involving photonic and leptonic rare B decays are reviewed. The interest in their measurement for the CKM phenomenology is underlined. They are also potentially interesting in searching for physics beyond the standard…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Ali

We explore the possibility of using CP violation in B decays to detect the presence of physics beyond the Standard Model. We first study the possibility of new physics in the $B-\bar B$ mixing amplitude. We discuss a construction to extract…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihir P. Worah

After a brief review of the inclusive and exclusive rare semileptonic decays of B mesons in the standard model (SM), an overview of recent theoretical developments in this field is given. New physics effects on various observables such as…

High Energy Physics - Phenomenology · Physics 2009-10-31 Chao-Shang Huang

The Standard Model of Particle Physics has been verified to unprecedented precision in the last few decades. However there are still phenomena in nature which cannot be explained, and as such new theories will be required. Since terrestrial…

High Energy Physics - Phenomenology · Physics 2008-12-25 Chris Bird

A Brief review on the physics beyond the Standard Model.

High Energy Physics - Phenomenology · Physics 2014-06-06 Mihoko M. Nojiri