A new generating-function framework turns IBP relations into differential equations in a non-commutative algebra, yielding an iterative algorithm that derives symbolic reduction rules and checks completeness for topologies such as the sunset and double-box diagrams.
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Inconsistency in spanning cuts for IBP reductions arises because cuts can make hidden terms in IBP relations finite via pinch singularities that cancel vanishing parameters, linked to hidden linear relations between propagators, for which an algorithm is provided.
Algorithms that factor denominators in IBP coefficients inside the FUEL interface reduce reconstruction cost and improve robustness of large-scale Feynman integral reductions.
NLO QED corrections to para- and ortho-dimuonium production in γγ collisions are calculated via NRQED, yielding negative corrections for both states.
A primer that surveys the architecture, methodologies, computational challenges, and future trajectory of the Monte Carlo event generator ecosystem in collider physics.
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NLO Corrections to Dimuonium Production in Photon-Photon Collision
NLO QED corrections to para- and ortho-dimuonium production in γγ collisions are calculated via NRQED, yielding negative corrections for both states.