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Related papers: Heavy Light Weak Matrix Elements

200 papers

I review recent developments in lattice weak matrix element calculations. I focus on on $f_B$ (both with propagating quarks and in the static limit for the $b$ quark), semi-leptonic form factors for $D$ meson decay, form factors for $B \to…

High Energy Physics - Lattice · Physics 2009-10-22 Claude Bernard

The current status of lattice calculation of weak matrix elements for heavy quark systems is reviewed. After an assessment of systematic errors in present simulations, results for the B meson decay constant, the B-parameter B_B and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hartmut Wittig

The status of lattice calculations for heavy quark systems is reviewed, focussing on weak matrix elements for leptonic and semi-leptonic decays of heavy mesons. After an assessment of the main systematic errors, results for the decay…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hartmut Wittig

After a pedagogical introduction to the calculation of weak matrix elements on the lattice, I review some of the lattice's most recent predictions concerning the weak decays of $B$-mesons. Amongst the topics covered are the determinations…

High Energy Physics - Phenomenology · Physics 2009-03-20 Laurent Lellouch

We review recent lattice computations relevant for $D$ and $B$ decays. Decay constants $f_{D,D_s}$, $f_{B,B_s}$, $D\rightarrow K (K^*)$, $B\rightarrow \pi , \rho$ semi-leptonic form factors together with the slope of the Isgur-Wise function…

High Energy Physics - Phenomenology · Physics 2019-08-15 As. Abada

After a brief discussion of the promise and limitations of the lattice technique, I review lattice QCD results for several quantities of phenomenological interest. These are: matrix elements for heavy-to-light meson decays, leptonic decay…

High Energy Physics - Lattice · Physics 2007-05-23 Jonathan M Flynn

The lattice method for the calculation of weak decay amplitudes of heavy quark systems is introduced. Results for leptonic and semi-leptonic decays of heavy mesons and $B-\bar{B}$ mixing are reviewed.

High Energy Physics - Lattice · Physics 2007-05-23 Hartmut Wittig

The status of lattice calculations of heavy-light decay constants and of the $B$ parameter $B_B$ is reviewed. After describing the lattice approach to heavy quark systems, the main results are discussed, with special emphasis on the…

High Energy Physics - Lattice · Physics 2009-10-30 Hartmut Wittig

Results on semileptonic decay matrix elements of heavy-light mesons and charmonium spectrum and decay constant using a fine quenched lattice are presented.

High Energy Physics - Lattice · Physics 2009-06-25 A. Ali Khan , A. Al-Haydari , V. Braun , S. Collins , M. Goeckeler , G. N. Lacagnina , M. Panero , A. Schaefer , G. Schierholz

Results from recent lattice calculations of the decay constants $f_B$ and $f_D$ are reviewed. A discussion of the methods currently used is presented, together with an outline of the various systematic effects involved.

High Energy Physics - Lattice · Physics 2009-10-28 Chris Allton

In lattice QCD, obtaining properties of heavy-light mesons has been easier said than done. Focusing on the $B$ meson's decay constant, it is argued that towards the end of 1997 the last obstacles were removed, at least in the quenched…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andreas S. Kronfeld

We present selected topics on heavy-light physics on the lattice in order to illustrate the current status of this field. In particular results concerning $f_B$, semileptonic decays, the decay $B \rightarrow K^*\gamma$ and heavy baryon…

High Energy Physics - Phenomenology · Physics 2016-09-01 S. Guesken

Lattice results for heavy light matrix elements are reviewed and some of their implications are very briefly discussed. Despite the fact that in most cases the lattice results for weak matrix elements at the moment have only a modest…

High Energy Physics - Lattice · Physics 2007-05-23 A. Soni

I review the current status of lattice calculations of the properties of bound states containing one or more heavy quarks. Many of my remarks focus on the heavy-light leptonic decay constants, such as $f_B$, for which the systematic errors…

High Energy Physics - Lattice · Physics 2009-10-31 C. Bernard

We present some results of the {\bf{ELC}} (European Lattice Collaboration) study of leptonic and semi-leptonic decays of heavy-light mesons. Results on the decay constants $f_D, f_{D_s}$ and $f_B, f_{B_s}$, the semi-leptonic form factors of…

High Energy Physics - Phenomenology · Physics 2007-05-23 As. Abada

I review this year's developments in the study of weak matrix elements of light hadrons on the lattice, with emphasis on K^0-\bar K^0 mixing and K -> pi pi decays.

High Energy Physics - Lattice · Physics 2009-10-31 Laurent Lellouch

We report results (on an intermediate statistics sample) of a study of weak semi-leptonic formfactors of $B$ and $D$ decays, addressing the uncertainties from mass extrapolations to chiral and to heavy quarks. Moreover, we present a…

High Energy Physics - Lattice · Physics 2008-11-26 S. Güsken , G. Siegert , K. Schilling

We compute the leptonic decay constants of heavy-light vector mesons in the quenched approximation. The reliability of lattice computations for heavy quarks is checked by comparing the ratio of vector to pseudoscalar decay constant with the…

High Energy Physics - Lattice · Physics 2008-11-26 C. Bernard , P. Williams , S. Datta , Steven Gottlieb , C. DeTar , Urs M. Heller , C. McNeile , K. Orginos , R. Sugar , D. Toussaint

We describe the form factors for B to rho lepton neutrino and B to K* gamma decays with just two parameters and the two form factors for B to pi lepton neutrino with a further two or three parameters. The parametrizations are consistent…

High Energy Physics - Lattice · Physics 2011-07-19 UKQCD Collaboration , Luigi Del Debbio , Jonathan M. Flynn , Laurent Lellouch , Juan Nieves

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…

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