REvolver: Automated running and matching of couplings and masses in QCD

In this article we present REvolver, a C++ library for renormalization group evolution and automatic flavor matching of the QCD coupling quark masses, as well precise conversion between various mass schemes. The systematically accounts low-scale short-distance masses which depend linearly on scale sums logarithmic terms high low scales that are missed by common evolution. can also be accessed through Mathematica Python interfaces provides complex well. Program Title: REvolver CPC Library link to program files: https://doi.org/10.17632/m6cjfmzsxb.1 Developer's repository link: https://gitlab.com/REvolver-hep/REvolver Code Ocean capsule: https://codeocean.com/capsule/6150064 Licensing provisions: GPLv3 or later Programming language: C++, Python, Wolfram Language Nature problem: strong fundamental parameters scheme renormalization-scale dependent. choice depends active number flavors range scales, is dictated requirements minimize size corrections sum large all orders. For at MS‾ with dependence used. schemes linear scale-dependence conversions most schemes, implemented such types summed orders, accounting threshold effects state-or-the-art correction terms. pole mass, not contains sizable renormalon ambiguity, treated derived quantity. Solution method: Renormalization equations solved complex-valued machine precision based fast-converging iterative algorithms analytic all-order expressions. Matching relations thresholds computed in way gives equal results upward downward Core objects allow define an arbitrary physical scenarios values spectra, where options set freely, including extracted. All routines entirely interfaces.