B meson spectroscopy

Details B meson spectroscopy B meson spectroscopy

2007-11-15

arxiv.org/abs/0711.2359v1

Phys.Rev.D77:017501,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 5 tables. Accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.77.017501

We study the $B$ meson spectroscopy allowing the mixture of conventional $P$ wave quark-antiquark states and four-quark components. A similar picture was used to describe the new $D_J$ and $D_{sJ}$ open charm mesons. The four-quark components shift the masses of some positive parity $B_{sJ}$ states below their corresponding isospin preserving two-meson threshold and therefore they are expected to be narrow. Electromagnetic decay widths are analyzed.

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