English
Related papers

Related papers: Standard Model parameters and heavy quarks on the …

200 papers

Status of weak matrix elements is reviewed. In particular, $\epspeps$, $\bkastg$, $B_K$, $B_B$ and $B_{B_s}$ are discussed and the overall situation with respect to the lattice effort and some of its phenomenological implications are…

High Energy Physics - Lattice · Physics 2014-11-17 A. Soni

We report on the computation of the $B_s$ meson decay constant in Heavy Quark Effective Theory on the lattice. The next to leading order corrections in the HQET expansion are included non-perturbatively. We estimate higher order…

High Energy Physics - Lattice · Physics 2010-12-15 Benoît Blossier , Michele Della Morte , Nicolas Garron , Georg von Hippel , Tereza Mendes , Hubert Simma , Rainer Sommer

The heavy-quark expansion for inclusive semi-leptonic B decays introduces $\bar{\Lambda}$ and $\lambda_1$, which are matrix elements in heavy-quark effective field theory. We review how they can be obtained from an analysis of the heavy…

High Energy Physics - Lattice · Physics 2019-08-14 Elizabeth D. Freeland , Andreas S. Kronfeld , James N. Simone , Ruth S. Van de Water

The status of lattice calculations in the light hadron sector is reviewed. Special emphasis is given to recent lattice determinations of the mass of the strange quark. The impact of non-perturbative renormalization and control over lattice…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hartmut Wittig

An update profile of the CKM matrix is given, providing numerical and graphical constraints on the CKM parameters in the Standard Model. Constraints on additional parameters accounting for possible new physics contribution in a…

High Energy Physics - Phenomenology · Physics 2009-02-18 Olivier Deschamps

We calculate the $\Lambda_b \to \Lambda_c^*(2595) l \nu$ and $\Lambda_b \to \Lambda_c^*(2625) l \nu$ form factors and decay rates for all possible $b \to c l \bar\nu$ four-Fermi interactions in and beyond the Standard Model (SM), including…

High Energy Physics - Phenomenology · Physics 2022-03-07 Michele Papucci , Dean J. Robinson

Recent results relevant for the B-physics phenomenology, obtained from lattice QCD simulations by the APE Collaboration, are reviewed. This includes the B0-B0bar mixing amplitude, B-> pi semileptonic decay and the relative width difference…

High Energy Physics - Lattice · Physics 2009-10-31 Damir Becirevic

We use Heavy Quark Effective Theory (HQET) techniques to parametrize certain non-perturbative effects related to quantum fluctuations that put both heavy quark and antiquark in quarkonium almost on shell. The large off-shell momentum…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. Pineda , J. Soto

I review the recent status of heavy flavor physics results from lattice QCD. In particular, I focus on the heavy-light decay constants, the bag parameters, the form factors, and the bottom quark mass. New progresses in theoretical methods…

High Energy Physics - Lattice · Physics 2011-01-27 Tetsuya Onogi

A preliminary computation of the Isgur-Wise universal form factor using a lattice formulation of the Heavy Quark Effective Theory (HQET) is described and compared with the recent data from ARGUS and CLEO on B -> D*lv decay.

High Energy Physics - Lattice · Physics 2015-06-25 Jeffrey E. Mandula , Michael C. Ogilvie

Most of the poorly known parameters of the Standard Model cannot be determined without reliable calculations in nonperturbative QCD. Lattice gauge theory provides a first-principles definition of the required functional integrals, and hence…

High Energy Physics - Phenomenology · Physics 2010-11-01 Andreas S. Kronfeld

We review progress in lattice QCD, focusing on efforts to calculate weak matrix elements relevant for the determination of the Cabibbo-Kobayashi-Maskawa matrix. Topics we discuss include light hadron spectrum and quark masses, CP-violation…

High Energy Physics - Phenomenology · Physics 2011-04-15 Sinya Aoki

We determine masses and decay constants of heavy-heavy and heavy-charm pseudoscalar mesons as a function of heavy quark mass using a fully relativistic formalism known as Highly Improved Staggered Quarks for the heavy quark. We are able to…

High Energy Physics - Lattice · Physics 2013-05-30 C. McNeile , C. T. H. Davies , E. Follana , K. Hornbostel , G. P. Lepage

In this paper we present a detailed formulation for a recently proposed effective field theory to describe the nonperturbative QCD dynamics of heavy mesons. This effective theory incorporates with heavy quark symmetry (HQS) and the heavy…

High Energy Physics - Phenomenology · Physics 2009-10-31 Hai-Yang Cheng , Chi-Yee Cheung , Wei-Min Zhang

The determination of quark masses has been transformed in the past few years by accurate results from realistic lattice QCD. This has meant a range of new methods for both b and c quarks which I will describe along with results from…

High Energy Physics - Lattice · Physics 2013-01-31 C. Davies

We review lattice results related to pion, kaon, $D$-meson, $B$-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. More specifically, we report on the determination of…

Status report is made of our quenched study of heavy-light matrix elements employing the Wilson quark action for heavy quark. Results obtained up to now with 200 configurations at $\beta=6.1$ on a $24^3\times64$ lattice and with 100…

High Energy Physics - Lattice · Physics 2012-08-27 JLQCD Collaboration

We review lattice results related to pion, kaon, D- and B-meson physics with the aim of making them easily accessible to the particle physics community. More specifically, we report on the determination of the light-quark masses, the form…

I review the status of lattice simulations relevant for phenomenological studies of B-physics. Results for much-studied quantities such as f_B, B_B and form-factors for semileptonic decays are presented as well as those for quantities which…

High Energy Physics - Lattice · Physics 2008-11-26 C. T. Sachrajda

We present results of the first lattice QCD calculations of $B_c \to B_s$ and $B_c \to B_d$ weak matrix elements. Form factors across the entire physical $q^2$ range are then extracted and extrapolated to the physical-continuum limit before…

High Energy Physics - Lattice · Physics 2021-04-08 Laurence J. Cooper , Christine T. H. Davies , Judd Harrison , Javad Komijani , Matthew Wingate