22-26 October 2018
Hotel Intourist Kolomenskoye 4*
Europe/Moscow timezone

Two-loop master integral for the correlator of two composite fermion currents

22 Oct 2018, 15:40
2h 30m
Petrovskiy hall (Hotel Intourist Kolomenskoye 4*)

Petrovskiy hall

Hotel Intourist Kolomenskoye 4*

Kashirskoye shosse, 39B, Moscow, Russia, 115409
Poster Particle physics: hep theory Poster session and coffee-buffet


Nikolay Volchanskiy (BLTPh JINR & Southern Federal U.)


We calculate two-loop massless correlator $G(n_1,n_2,n_3,n_4,n_5;x,y;D)$ of two composite vertexes with Bjorken fractions $x$ and $y$, arbitrary indices $n_i$, and arbitrary space-time dimension, $D$. A closed-form expression for this two-loop kite Feynman diagram with composite vertexes is given in terms of a twofold hypergeometric series. In some special cases it reduces to a sum of univariate hypergeometric functions $_3F_2$.

Primary authors

Sergey Mikhailov (BLTP JINR) Nikolay Volchanskiy (BLTPh JINR & Southern Federal U.)

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