Les Houches

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# OLE_order for 3jet production

Model SM, # MSSM, UFO<space>/path/file.ufo CorrectionType QCD, EW, QED IRregularisation CDR, DRED AlphaPower 0 AlphasPower 2

ExcludeParticles 6 7 # space separated-list MassiveParticles 4 5 # space separated-list

AmplitudeType loop (default), tree #OperationMode # obsoleted in favor of setting coupling to 1 explicitly #MatrixElementSquareType # obsoleted in favor of colour-helicity-summed,

                        # averaged over helicity and colour of initial state,
                        # including monte-carlo symmetry factor, including 1/(16*Pi^2) factor

Precision 0.001

# optional replacemet for CHsummed, CHaveraged, etc Extra HelAvgInitial yes Extra ColAvgInitial yes Extra MCSymmetrizeFinal yes

# optional OLP-specific parameters Extra NJetMultiPrec # use multi-precision rescue system Extra NJetNc 3 # set SU(Nc) Nc Extra Process 9 AmplitudeType LeadingColour Extra Process 10 AmplitudeType loopds Extra Process 11 AmplitudeType loopds

# process list 2j 1 1 → 1 1 1 -1 → 1 -1 1 -1 → 2 -2 1 -1 → 21 21 21 21 → 21 21

AlphasPower 3 Extra AmplitudeType LeadingColour

# process list 3j 1 1 → 21 1 1 1 -1 → 21 1 -1 1 -1 → 21 2 -2 1 -1 → 21 21 21 21 21 → 21 21 21

AlphasPower 4 AmplitudeType tree

# process list 4j 21 21 → 21 21 21 21 1 -1 → 21 21 21 21 1 -1 → -2 2 -2 2 1 -1 → -1 1 -1 1 21 21 → 21 21 21 21