Discussions

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  LToolsEvaluate does not work with DB0 or DB1

  kMoehling started Oct 12, 2025 in General · Closed

  

  

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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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  Possible bug in KiraCreateConfigFiles?

  SumitBanikGit asked May 17, 2025 in Q&A · Closed · Unanswered

  

  

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  How to work with PaxDiLog

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

  

  

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  TID with Euclidean Propagator

  MeissnerAndre asked Apr 29, 2025 in Q&A · Closed · 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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  StringJoin::string: $Failed<> GaugeXi[V[5,___]]=FAGaugeXi["G"]; FAGaugeXi[U[5,___]]=FAGaugeXi["G"]; 中位置 1 处应该是字符串.

  pengfei-physics asked Mar 10, 2025 in Q&A · Answered

  

  

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  FCMultiLoopTID giving zero

  SumitBanikGit asked Mar 2, 2025 in Q&A · Answered

  

  

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  Feyncalc Error "could not open QCD/QCD.gen"

  ZAarfi asked Apr 10, 2023 in Q&A · Unanswered

  

  

  

  

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