Electromagnetic Mass Splittings in Heavy Mesons

Details Electromagnetic Mass Splittings in Heavy Mesons Electromagnetic Mass Splittings in Heavy Mesons

1992-12-07

arxiv.org/abs/hep-ph/9212230v1

Phys.Lett. B303 (1993) 337-344

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, report CEBAF-TH-92-26, one figure not included (available if requested)

Scientific paper

10.1016/0370-2693(93)91442-P

The electromagnetic contribution to the isomultiplet mass splittings of heavy mesons is reanalyzed within the framework of the heavy mass expansion. It is shown that the leading term in the expansion is given to a good approximation by the elastic term. $1/m_{Q}$-corrections can only be estimated, the main source of uncertainty now being inelastic contributions. The $1/m_{Q}$-corrections to the elastic term turn out to be relatively small in both D and B pseudoscalar mesons.

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