The Charge and Matter radial distributions of Heavy-Light mesons calculated on a lattice

Details The Charge and Matter radial distributions of Heavy-Light mesons calculated on a lattice The Charge and Matter radial distributions of Heavy-Light mesons calculated on a lattice

2001-05-25

arxiv.org/abs/hep-lat/0105027v1

Phys.Rev.D65:014512,2002

Physics

High Energy Physics

High Energy Physics - Lattice

31 pages including 7 ps figures

Scientific paper

10.1103/PhysRevD.65.014512

For a heavy-light meson with a static heavy quark, we can explore the light quark distribution. The charge and matter radial distributions of these heavy-light mesons are measured on a 16^3 * 24 lattice at beta=5.7 and a hopping parameter corresponding to a light quark mass about that of the strange quark. Both distributions can be well fitted up to 4 lattice spacings (r approx 0.7 fm) with the exponential form w_i^2(r), where w_i(r)=A exp(-r/r_i). For the charge(c) and matter(m) distributions r_c approx 0.32(2) fm and r_m approx 0.24(2) fm. We also discuss the normalisation of the total charge and matter integrated over all space, finding 1.30(5) and 0.4(1) respectively.

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