The continuum limit of the static-light meson spectrum

Details The continuum limit of the static-light meson spectrum The continuum limit of the static-light meson spectrum

2010-04-23

arxiv.org/abs/1004.4235v1

Physics

High Energy Physics

High Energy Physics - Lattice

18 pages, 3 figures

Scientific paper

We investigate the continuum limit of the low lying static-light meson spectrum using Wilson twisted mass lattice QCD with N_f = 2 dynamical quark flavours. We consider three values of the lattice spacing a ~ 0.051 fm, 0.064 fm, 0.080 fm and various values of the pion mass in the range 280 MeV < m_PS < 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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