On the mass differences between the scalar and pseudoscalar heavy-light mesons

Details On the mass differences between the scalar and pseudoscalar heavy-light mesons On the mass differences between the scalar and pseudoscalar heavy-light mesons

2004-06-26

arxiv.org/abs/hep-ph/0406296v3

Phys.Lett. B599 (2004) 55

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 2 figures

Scientific paper

10.1016/j.physletb.2004.08.027

We discuss the recent experimental observation which suggested that the mass
difference between the scalar and pseudoscalar heavy-light mesons is larger for
the non-strange states than for the strange ones. After computing the chiral
corrections in the heavy quark limit we show that, contrary to experiment, the
mass difference in the non-strange case should be smaller.

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