# SHERPA run card for t-channel single top-quark production at MC@NLO
# and N_f = 4

# collider setup
BEAMS: 2212
BEAM_ENERGIES: 6500

# me generator settings
ME_GENERATORS: [Comix, Amegic, OpenLoops]

# scales
#   muR = transverse momentum of the bottom
#   muF = muQ = transverse momentum of the top
CORE_SCALE: VAR{MPerp2(p[2])}{MPerp2(p[3])}{MPerp2(p[2])}

# disable hadronic W decays
HARD_DECAYS:
  Enabled: true
  Channels:
    24,2,-1: {Status: 0}
    24,4,-3: {Status: 0}
    -24,-2,1: {Status: 0}
    -24,-4,3: {Status: 0}

# choose EW Gmu input scheme
EW_SCHEME: 3

PARTICLE_DATA:
  6: {Width: 0}  # required for using top-quark in ME
  5: {Massive: true, Mass: 4.18}  # mass as in NNPDF30_nlo_as_0118_nf_4

# configure for N_f = 4
PDF_LIBRARY: LHAPDFSherpa
PDF_SET: NNPDF30_nlo_as_0118_nf_4
ALPHAS: {USE_PDF: 1}

PROCESSES:
- 93 93 -> 6 -5 93:
    NLO_Mode: MC@NLO
    NLO_Order: {QCD: 1, EW: 0}
    Order: {QCD: 1, EW: 2}
    ME_Generator: Amegic
    RS_ME_Generator: Comix
    Loop_Generator: OpenLoops
    Min_N_TChannels: 1  # require t-channel W