Towards Precision B-physics from Non-Perturbative Heavy Quark Effective Theory

Abstract

We convey an idea of the significant recent progress, which opens up good perspectives for high-precision ab-initio computations in heavy flavour physics based on lattice QCD. Rather than surveying the latest results, this contribution focuses on the concept and the challenges of fully non-perturbative computations in the B-meson sector, where the b-quark is treated within an effective theory. We outline its use to determine the b-quark mass and report on the results obtained in the quenched approximation and on the status in the two dynamical flavour theory.

Contribution to the NIC-Symposium 2010, 24-25 February 2010, Juelich, Germany; 8 pages including figures, latex2e, uses nic-series.cls

References in corpus (11)

• Speeding up the Hybrid-Monte-Carlo algorithm for dynamical fermions
• Schwarz-preconditioned HMC algorithm for two-flavour lattice QCD
• HMC algorithm with multiple time scale integration and mass preconditioning
• Non-perturbative Heavy Quark Effective Theory
• Chronological Inversion Method for the Dirac Matrix in Hybrid Monte Carlo
• HQET at order 1/m: I. Non-perturbative parameters in the quenched approximation
• Non-perturbative tests of Heavy Quark Effective Theory
• Simulating the Schroedinger functional with two pseudo-fermions
• Non-perturbative quark mass dependence in the heavy-light sector of two-flavour QCD
• Towards a non-perturbative matching of HQET and QCD with dynamical light quarks
• Fundamental parameters of QCD