======  TTP19-033 Quark beam function at next-to-next-to-next-to-leading order in perturbative QCD in  the large-$N_c$ approximation  ======

^ TTP19-033 Quark beam function at next-to-next-to-next-to-leading order in perturbative QCD in  the large-$N_c$ approximation ^^
| **Arnd Behring, Kirill Melnikov, Robbert Rietkerk, Lorenzo Tancredi, Christopher Wever** | 
| {{|PDF}} {{|Data}}  [[|arXiv]] | 
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