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Showing 1 to 2 of 2 for “"Box anomaly"”.
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Measurement of Pion-Pion Final State Interactions in η → π +π −γ with CLAS at Jefferson Lab
… of pseudoscalar mesons proceed from the chiral anomaly, which arises from spontaneous chiral symmetry breaking. In the limit of massless quarks (chiral limit), the η → π +π −γ the decay width is determined solely by the box anomaly term in the Wess Zumino Witten Lagrangian. Since the physical …
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Photoproduction and Radiative Decay of ηt Meson in CLAS at JLAB
… of both parameters confirm the existence of the box anomaly, <em>ρ</em>-<em>ω </em>mixing and effects of the <sub><em>a</em>2</sub>(1320) tensor meson in the radiative decay of <em>η</em><em>/</em>.</p>