Nonperturbative HQET at Order $1/m$

TL;DR

This paper presents initial results for calculating masses and decay constants of bottom-strange mesons using nonperturbative HQET on lattice QCD, providing insights into heavy-quark physics.

Contribution

It introduces a nonperturbative renormalization approach for HQET at order 1/m and applies it to compute meson properties in lattice QCD.

Findings

First nonperturbative results for bottom-strange meson masses and decay constants

Demonstrates feasibility of HQET at order 1/m in lattice simulations

Provides a foundation for more precise heavy-quark physics studies

Abstract

We summarize first results for masses and decay constants of bottom-strange (pseudo-scalar and vector) mesons from nonperturbatively renormalized heavy-quark effective theory (HQET), using lattice-QCD simulations in the quenched approximation.