Energy and decay width of the pi-K atom

H. Jallouli; H. Sazdjian

Energy and decay width of the pi-K atom

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arxiv hep-ph/0605253 v1 pith:SQRCNLB3 submitted 2006-05-24 hep-ph

H. Jallouli , H. Sazdjian This is my paper · ORCID

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keywords energypi-katomdecaywidthformulasapproachbinding

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The energy and decay width of the pi-K atom are evaluated in the framework of the quasipotential-constraint theory approach. The main electromagnetic and isospin symmetry breaking corrections to the lowest-order formulas for the energy shift from the Coulomb binding energy and for the decay width are calculated. They are estimated to be of the order of a few per cent. We display formulas to extract the strong interaction S-wave pi-K scattering lengths from future experimental data concerning the pi-K atom.

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Hadronic atoms
hep-ph 2024-12 unverdicted novelty 1.0 of 10

A pedagogical survey of non-relativistic effective field theory for hadronic atoms, restating the known next-to-leading-order formulas for the pionic hydrogen energy shift and width.

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