The full width of the light 1^{-+} isovector hybrid meson is predicted to be (109.7±16.0) MeV with the rho-pi channel contributing about 61 percent.
Two-Photon Exclusive Processes in QCD
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Exclusive two-photon reactions such as Compton scattering at large angles, deeply virtual Compton scattering, and hadron production in photon-photon collisions provide important tests of QCD at the amplitude level, particularly as measures of hadron distribution amplitudes and skewed parton distributions.
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Decays of the light hybrid meson $1^{\mathrm{-+}}$
The full width of the light 1^{-+} isovector hybrid meson is predicted to be (109.7±16.0) MeV with the rho-pi channel contributing about 61 percent.