English
Related papers

Related papers: B-Hadron Lifetimes, Width Differences and Semilept…

200 papers

We review the status of mixing of neutral $B$-mesons, including a discussion of the current precision of Standard Model (SM) predictions as well as the space that is left for effects of new physics. In that respect we present several…

High Energy Physics - Phenomenology · Physics 2014-09-25 Alexander Lenz

The latest results for the B Hadron sector at the Tevatron Collider are summarized. The properties of B Hadrons can be precisely measured at the Tevatron. In particularly we will focus on the masses and lifetimes. The new Tevatron results…

High Energy Physics - Experiment · Physics 2019-08-15 P. Catastini

Combined results on b-hadron lifetimes, b-hadron production rates, B^0_d - \bar{B^0_d} and B^0_S - \bar{B^0_s} oscillations, the decay width difference between the mass eigenstates of the B^0_s - \bar{B^0_s} system, the average number of c…

High Energy Physics - Experiment · Physics 2007-05-23 Aleph , CDF , Delphi , L3 , Opal , SLD

We present recent results in semileptonic and non-leptonic exclusive $B_c$ decays to charmonium states both in $S$-wave, $J/\psi$ and $\eta_c$, and in $P$-wave, $\chi_{cJ}$ and $h_c$. The analysis, based on the heavy quark spin symmetry…

High Energy Physics - Phenomenology · Physics 2023-11-10 Nicola Losacco

Status of lattice calculations of hadron matrix elements along with CP violation in B and in K systems is reviewed. Lattice has provided useful input which, in conjunction with experimenatl data, leads to the conclusion that CP-odd phase in…

High Energy Physics - Phenomenology · Physics 2010-11-23 Amarjit Soni

Nonperturbative QCD contributions to the inclusive semileptonic decay of the B meson consist of the dynamic and kinematic components. We calculate the decay width in an approach based on the light-cone expansion and the heavy quark…

High Energy Physics - Phenomenology · Physics 2014-11-17 Changhao Jin

The Tevatron experiments, CDF and D0, have produced a wealth of new B-physics results since the start of Run II in 2001. We've observed new B-hadrons, seen new effects, and increased many-fold the precision with which we know the properties…

High Energy Physics - Experiment · Physics 2019-08-14 Harold G Evans

To start the $b$-decay session we briefly introduce and comment some important theoretical tools which are currently used in $b$ physics. Heavy Quark Symmetry and its consequences for heavy to heavy and heavy to light semi-leptonic decays,…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. Le Yaouanc , L Oliver , O. Pène , J. -C. Raynal

We review the status of the theory and phenomenology of heavy-quark symmetry, exclusive weak decays of $B$ mesons, inclusive decay rates and lifetimes of $b$ hadrons, and CP violation in $B$-meson decays.

High Energy Physics - Phenomenology · Physics 2014-11-17 Matthias Neubert

We review the status of mixing and lifetimes of $b$-hadrons. We will show that $\Delta \Gamma / \Delta M$, $a_{sl}$ and $\phi$ are better suited to search for new physics effects than $\Delta M$ alone, because of our poor knowledge of the…

High Energy Physics - Phenomenology · Physics 2009-05-29 Alexander Lenz

The lepton and dilepton charge asymmetries from $B_{d}$ and $B_{s}$ are predicted to be small in the standard model, whereas new physics could increase their values significantly. In this paper, we explore the use of the lepton asymmetries…

High Energy Physics - Phenomenology · Physics 2009-09-15 Lisa Randall , Shufang Su

A review of recent experimental measurements of the lifetime and mixing parameters of neutral D and B hadrons is presented. In particular, focus is given to measurements of D mixing and the Lambda_B lifetime.

High Energy Physics - Experiment · Physics 2011-01-18 Sneha Malde

This article reports world averages for measurements on b-hadron properties obtained by the Heavy Flavor Averaging Group (HFAG) using the available results as of summer 2004 conferences. In the averaging, the input parameters used in the…

High Energy Physics - Experiment · Physics 2012-08-27 Heavy Flavor Averaging Group

We review the theoretical status of b to s hadronic penguin decays in the Standard Model and beyond. We summarize the main theoretical tools to compute Branching Ratios and CP asymmetries for b to s penguin dominated nonleptonic decays, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Luca Silvestrini

Further experimental and theoretical studies of the physics of flavor and CP violation are well motivated. Within the supersymmetric framework, higher precision measurements will allow to explore classes of models with stronger degree of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zoltan Ligeti , Yosef Nir

We present recent CDF measurements of mass, lifetime and CP violation properties of B hadrons. The analyzes presented in this paper use up to 2.8/fb of data. CDF has already accumulated close to 5/fb of data which promises significant…

High Energy Physics - Experiment · Physics 2019-08-13 Gavril Giurgiu

In this decade, B-decay experiments will allow stringent tests of the Standard-Model description of CP violation. After a classification of the main strategies and a discussion of the most recent results on benchmark decay modes of $B^\pm$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer

Our 2003 "Cicerone" had discussed charm dynamics with different directions and levels \cite{CICERONE}. Here we focus on two items, where the `landscape' has changed sizably. (A) The lifetimes \& semi-leptonic decays of charm hadrons show…

High Energy Physics - Phenomenology · Physics 2020-07-29 S. Bianco , I. I. Bigi

I discuss a number of the highlights in theory presented at the BCP3 conference. These included new, and more stringent, CKM fits; a critical overview of heavy hadron lifetimes; progress in computing rates and CP-asymmetries in charmless…

High Energy Physics - Phenomenology · Physics 2016-11-23 R. D. Peccei

I briefly review the status and recent progress in the theoretical understanding of non-leptonic decays of beauty and charm hadrons. Focusing on a personal selection of topics, this covers perturbative calculations in quantum…

High Energy Physics - Phenomenology · Physics 2014-08-05 Thorsten Feldmann