Spectrum and decays of hadronic atoms

Details Spectrum and decays of hadronic atoms Spectrum and decays of hadronic atoms

2004-08-04

arxiv.org/abs/hep-ph/0408055v1

Int.J.Mod.Phys. A20 (2005) 358-364

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of MESON 2004: 8th International Workshop on Meson Production, Properties and Interaction, Cracow

Scientific paper

10.1142/S0217751X0502152X

We describe the spectra and decays of pi pi and pi K atoms within a
non-relativistic effective field theory. The evaluations of the energy shifts
and widths are performed at next-to-leading order in isospin symmetry breaking.
The prediction for the lifetime of the pi K atom in its ground-state yields tau
= (3.7 \pm 0.4) * 10^{-15} sec.

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