Properties of the a1 Meson from Lattice QCD

Abstract

We determine the mass and decay constant of the $a_1$ meson using Monte Carlo simulation of lattice QCD. We find $M_{a_1}=1250\pm 80$ MeV and $f_{a_1}=0.30\pm 0.03(\mathrm{GeV}{)}^2$, in good agreement with experiment.

9 page uu-encoded compressed postscript file. version appearing in Phys. Rev. Lett. 74 (1995) 4596

Cited by in corpus (23)

• QCD and dimensional deconstruction
• Scaling of Non-Perturbatively O(a) Improved Wilson Fermions: Hadron Spectrum, Quark Masses and Decay Constants
• Hadronic molecules in B decays
• Asymptotic behavior of meson transition form factors
• Derivative sources in lattice spectroscopy of excited light-quark mesons
• Composite and elementary natures of a1(1260) meson
• Axial meson exchange and the $Z_c(3900)$ and $Z_{cs}(3985)$ resonances as heavy hadron molecules
• Three Flavour QCD from the Holographic Principle
• Semileptonic B -> rho and B -> a_1 transitions in a quark-meson model
• Decay constants of P-wave heavy-light mesons from unquenched lattice QCD
• AdS/QCD: The Relevance of the Geometry
• $a_1(1260)$-meson longitudinal twist-2 distribution amplitude and the $D\to a_1(1260){\ell }^{+}{\nu }_{\ell }$ decay processes
• Low-energy photon production in neutrino neutral-current interactions
• $\Delta I=1$ axial-vector mixing and charge symmetry breaking
• Decay properties of the $Z_c(3900)$ through the Fierz rearrangement
• A lattice QCD calculation of the transverse decay constant of the b1(1235) meson
• Radial excitations of mesons and nucleons from QCD sum rules
• Decay properties of the $X(3872)$ through the Fierz rearrangement
• A Three-Flavor AdS/QCD Model with a Back-Reacted Geometry
• $\gamma$ - Z interferometry at a $\Phi$-factory
• Effects of bulk symmetry breaking on AdS/QCD predictions
• Longitudinal leading-twist distribution amplitude of the ${}^1{P}_1$-state $b_1(1235)$ meson and its implications on $B\to b_1(1235){\ell }^{+}{\nu }_{\ell }$ decays
• Spectroscopy of $a_1$ mesons from lattice QCD with the truncated overlap fermions