Looking for a gift of Nature: Hadron loops and hybrid mixing

Details Looking for a gift of Nature: Hadron loops and hybrid mixing Looking for a gift of Nature: Hadron loops and hybrid mixing

2009-01-13

arxiv.org/abs/0901.1812v2

Phys.Rev.C79:045201,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

v2: added important references and discussion of previous literature; results and conclusions unchanged. 8 pages, 2 figures

Scientific paper

10.1103/PhysRevC.79.045201

We investigate how coupling of valence q qbar to meson pairs can modify the properties of conventional q qbar and hybrid mesons. In a symmetry limit the mixing between hybrids and conventional q qbar with the same J^PC is shown to vanish. Flavor mixing between heavy and light q qbar due to meson loops is shown to be dual to the results of gluon mediated pQCD, and qualitatively different from mixing involving light flavors alone. The validity of the OZI rule for conventional q qbar and hybrid mesons is discussed.

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