4.4 Article

The continuum limit of the static-light meson spectrum

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 8, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP08(2010)009

Keywords

Lattice QCD; B-Physics

Funding

  1. Spanish Consolider-Ingenio 2010 Programme CPAN [CSD 2007-00042]
  2. Comunidad Autonoma de Madrid, CAM [HEPHACOS P-ESP-00346]
  3. GENCI/IDRIS [2009-052271]
  4. Science and Technology Facilities Council [ST/G00062X/1] Funding Source: researchfish
  5. STFC [ST/G00062X/1] Funding Source: UKRI

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We investigate the continuum limit of the low lying static-light meson spectrum usingWilson twisted mass lattice QCD with N-f = 2 dynamical quark flavours. We consider three values of the lattice spacing a approximate to 0.051 fm, 0.064 fm, 0.080 fm and various values of the pion mass in the range 280MeV less than or similar to mPS less than or similar to 640 MeV. We present results in the continuum limit for light cloud angular momentum j = 1/2, 3/2, 5/2 and for parity P = +, -. We extrapolate our results to physical quark masses, make predictions regarding the spectrum of B and B-s mesons and compare with available experimental results.

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