Regular Article - Theoretical Physics
Determination of f0 - a0 0 mixing angle from QCD sum rules
Department of Physics, Middle East Technical University, 06800, Ankara, Turkey
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Accepted: 11 August 2018
Published online: 12 September 2018
By assuming that the and mesons are mixed states of the two-quark-tetraquark, the mixing angle between them is estimated within the QCD sum rules method, and it is obtained that the mixing angle is . Our prediction on the mixing angle can be checked in further experiments which can shed light on choosing the “right” structure of and mesons.
© SIF, Springer-Verlag GmbH Germany, part of Springer Nature, 2018