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Spectra and decays of pi pi and pi K atoms | J. Schweizer
; | Date: |
5 May 2004 | Journal: | Eur.Phys.J. C36 (2004) 483-501 | Subject: | hep-ph | Affiliation: | Bern University | Abstract: | 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. We provide general formulae for all S-states, and discuss the states with angular momentum one in some detail. The prediction for the lifetime of the pi K atom in its ground-state yields tau = (3.7 pm 0.4) * 10^{-15} sec. | Source: | arXiv, hep-ph/0405034 | Services: | Forum | Review | PDF | Favorites |
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