Universal transcendentality limit of BFKL eigenvalue

Mohammad Joubat; Alex Prygarin

arXiv:2111.11664·hep-th·February 9, 2022

Universal transcendentality limit of BFKL eigenvalue

Mohammad Joubat, Alex Prygarin

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Abstract

We consider a special limit of the BFKL eigenvalue at $ν \to 0$ and odd values of the conformal spin $n$ . We show that in this limit the NLO BFKL eigenvalue can be expressed in terms of a limited set of transcendental constants with rational coefficients. We show that the leading transcendentality term in this limit is universal and does not depend on a specific value of $n$ .

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