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Integrability of the evolution equations for heavy–light baryon distribution amplitudes

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Braun, V. M. ; Derkachov, S. E. ; Manashov, A. N.
Date of publication of this fulltext: 27 Apr 2018 10:45


We consider evolution equations describing the scale dependence of the wave function of a baryon containing an infinitely heavy quark and a pair of light quarks at small transverse separations, which is the QCD analogue of the helium atom. The evolution equations depend on the relative helicity of the light quarks. For the aligned helicities, we find that the equation is completely integrable, ...


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