The static-light meson spectrum from twisted mass lattice QCD
ETM Collaboration: Karl Jansen, Chris Michael, Andrea Shindler, Marc, Wagner
TL;DR
This study uses twisted mass lattice QCD to compute the static-light meson spectrum, providing predictions for B and B_s mesons by extrapolating results across different light quark masses.
Contribution
It presents the first detailed lattice QCD calculations of the static-light meson spectrum with N_f=2 flavors, including multiple angular momentum and parity states.
Findings
Spectrum predictions for B and B_s mesons.
Results for various angular momentum and parity states.
Extrapolation to physical quark masses.
Abstract
We compute the static-light meson spectrum with N_f = 2 flavours of sea quarks using Wilson twisted mass lattice QCD. We consider five different values for the light quark mass corresponding to 300 MeV < m_PS < 600 MeV and we present results for angular momentum j = 1/2, j = 3/2 and j = 5/2 and for parity P = + and P = -. We extrapolate our results to physical quark masses and make predictions regarding the spectrum of B and B_s mesons.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research · Particle physics theoretical and experimental studies