Discussions

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  Momentum shifts in FCLoopBasisSplit ?

  MJKirk started Feb 13, 2026 in General

  

  

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  Suggestions on working and debugging routines using the GLIs format? (Incomplete propagator basis)

  yuxunguo started Jan 28, 2026 in General

  

  

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  Trying to get 2-loop amplitude/form factor in GLI format using ApartFF and FCLoopTensorReduce

  mashhoudtt asked Jan 20, 2026 in Q&A · Answered

  

  

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  Use FMSpinorChainExplicit2 to deal with the two fermion lines

  Xiu-Lei asked Jan 14, 2026 in Q&A · Unanswered

  

  

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  How to make Contract faster

  Pgoller asked Dec 2, 2025 in Q&A · Unanswered

  

  

  

  

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  Changing propagator's gauge in FeynCalc 10.0.0 and FeynArts 3.11

  Matoro365 asked Nov 24, 2025 in Q&A · Unanswered

  

  

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  Logarithms and ComplexConjugate

  fcornetgomez asked Oct 2, 2025 in Q&A · Answered

  

  

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  Problem with EpsChisholm in FeynCalc's development version

  luizvalesilva asked Sep 30, 2025 in Q&A · Unanswered

  

  

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  Problem with evaluating the Trace of Hadronic tensor of spin 3/2 particle

  yogeesh-dev asked Sep 10, 2025 in Q&A · Unanswered

  

  

  

  

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  Introducing my own group coefficients.

  daniilkrichevskiyDM asked Sep 16, 2025 in Q&A · Answered

  

  

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  Help with 2-loop lightcone coordinate integral

  jp-grewal asked Aug 27, 2025 in Q&A · Unanswered

  

  

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  Inconsistent result for DiracTrace evaluations

  yaziddelenda-spec asked Sep 2, 2025 in Q&A · Unanswered

  

  

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  TID and dimensionless variables

  MeissnerAndre asked Aug 4, 2025 in Q&A · Unanswered

  

  

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  Discrepancy in threshold behaviour of scalar three-point function C0[m^2, M^2, s, m^2, 0, M^2] ​ using PaXEvaluate and series expansions

  balmaduch started Aug 1, 2025 in General

  

  

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  Gluon mass

  BobekJosef asked Jul 15, 2025 in Q&A · Answered

  

  

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  TID got wrong result

  xysxxs asked Jul 16, 2025 in Q&A · Unanswered

  

  

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  ​​ Issue with PaXEvaluate in GG→HH Calculation and Wilson Coefficient Extraction

  pengfei-physics asked Jul 15, 2025 in Q&A · Unanswered

  

  

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  regarding extracting feynarts model using feynrules for higher dimension operators, the problem with coupling dimensionality

  dishabhatia26 started May 16, 2025 in General

  

  

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  Simple Foldy-Wouthuysen expansion of the dirac hamiltonian

  milksushi asked Jun 2, 2025 in Q&A · Unanswered

  

  

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  How to work with PaxDiLog

  MeissnerAndre asked May 7, 2025 in Q&A · Unanswered

  

  

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  issues with displaying expressions correctly

  vincentshlee asked Apr 24, 2025 in Q&A · Unanswered

  

  

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  Issue with γ-matrix simplifications after FermionSpinSum in FeynCalc

  impermast asked Jan 30, 2025 in Q&A · Unanswered

  

  

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  Tensor reduction for zero Gram determinants

  vsht announced Apr 8, 2025 in Announcement

  

  

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  Why does TR[GA5.GA5] cause an error(IterationLimit) in FeynCalc 10.1.0?

  ZIXIOUYANG asked Mar 1, 2025 in Q&A · Unanswered

  

  

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  X`ScalarC0IR6

  jasper7427 asked Mar 18, 2025 in Q&A · Unanswered

  

  

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