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| 1 | +### authors: Stefano Politano (stefano.politano@cern.ch) |
| 2 | +### last update: April 2025 |
| 3 | + |
| 4 | +### beams |
| 5 | +Beams:idA 2212 # proton |
| 6 | +Beams:idB 2212 # proton |
| 7 | +Beams:eCM 13600. # GeV |
| 8 | + |
| 9 | +### processes |
| 10 | +SoftQCD:inelastic on # all inelastic processes |
| 11 | + |
| 12 | +### decays |
| 13 | +ParticleDecays:limitTau0 on |
| 14 | +ParticleDecays:tau0Max 10. |
| 15 | + |
| 16 | +### switching on Pythia Mode2 |
| 17 | +ColourReconnection:mode 1 |
| 18 | +ColourReconnection:allowDoubleJunRem off |
| 19 | +ColourReconnection:m0 0.3 |
| 20 | +ColourReconnection:allowJunctions on |
| 21 | +ColourReconnection:junctionCorrection 1.20 |
| 22 | +ColourReconnection:timeDilationMode 2 |
| 23 | +ColourReconnection:timeDilationPar 0.18 |
| 24 | +StringPT:sigma 0.335 |
| 25 | +StringZ:aLund 0.36 |
| 26 | +StringZ:bLund 0.56 |
| 27 | +StringFlav:probQQtoQ 0.078 |
| 28 | +StringFlav:ProbStoUD 0.2 |
| 29 | +StringFlav:probQQ1toQQ0join 0.0275,0.0275,0.0275,0.0275 |
| 30 | +MultiPartonInteractions:pT0Ref 2.15 |
| 31 | +BeamRemnants:remnantMode 1 |
| 32 | +BeamRemnants:saturation 5 |
| 33 | + |
| 34 | +# Correct decay lengths (wrong in PYTHIA8 decay table) |
| 35 | +# Lb |
| 36 | +5122:tau0 = 0.4390 |
| 37 | +# Xic0 |
| 38 | +4132:tau0 = 0.0455 |
| 39 | +# OmegaC |
| 40 | +4332:tau0 = 0.0803 |
| 41 | + |
| 42 | +### HF decays |
| 43 | +### BR are set to yield the same amount of counts for each final state |
| 44 | +### |
| 45 | +### D0 decays |
| 46 | +421:oneChannel = 1 0.170 0 -321 211 ### D0 -> K- π+ |
| 47 | +421:addChannel = 1 0.166 0 -321 211 111 ### D0 -> K- π+ π0 |
| 48 | +421:addChannel = 1 0.166 0 -211 211 ### D0 -> π- π+ |
| 49 | +421:addChannel = 1 0.166 0 -211 211 111 ### D0 -> π- π+ π0 |
| 50 | +421:addChannel = 1 0.166 0 -321 321 ### D0 -> K- K+ |
| 51 | +421:addChannel = 1 0.166 0 -321 321 111 ### D0 -> K- K+ π0 |
| 52 | + |
| 53 | +### D+ decays |
| 54 | +411:oneChannel = 1 0.17 0 -321 211 211 ### D+ -> K- π+ π+ |
| 55 | +411:addChannel = 1 0.33 0 -211 211 211 ### D+ -> π- π+ π+ |
| 56 | +411:addChannel = 1 0.17 0 313 211 ### D+ -> K* π+ -> K- π+ π+ |
| 57 | +411:addChannel = 1 0.33 0 333 211 ### D+ -> φ π+ -> K- K+ π+ |
| 58 | + |
| 59 | +### Ds+ decays |
| 60 | +431:oneChannel = 1 0.125 0 333 211 ### Ds+ -> φ π+ -> K- K+ π+ |
| 61 | +431:addChannel = 1 0.125 0 313 321 ### Ds+ -> K* K+ -> K- K+ π+ |
| 62 | +431:addChannel = 1 0.250 0 -211 211 211 ### Ds+ -> π- π+ π+ |
| 63 | +431:addChannel = 1 0.250 0 -211 321 211 ### Ds+ -> π- K+ π+ |
| 64 | +431:addChannel = 1 0.250 0 -321 321 321 ### Ds+ -> K- K+ K+ |
| 65 | + |
| 66 | +## Lc decays |
| 67 | +4122:oneChannel = 1 0.0825 0 2212 -321 211 ### Λc+ -> p K- π+ |
| 68 | +4122:addChannel = 1 0.0825 100 2212 -313 ### Λc+ -> p K* -> p K- π+ |
| 69 | +4122:addChannel = 1 0.0825 100 2224 -321 ### Λc+ -> Delta++ K- -> p K- π+ |
| 70 | +4122:addChannel = 1 0.0825 100 102134 211 ### Λc+ -> Lambda(1520) K- -> p K- π+ |
| 71 | +4122:addChannel = 1 0.1650 0 2212 211 211 ### Λc+ -> p π+ π+ |
| 72 | +4122:addChannel = 1 0.1650 0 2212 311 ### Λc+ -> p K0s -> p π+ π- |
| 73 | +4122:addChannel = 1 0.3300 0 2212 -321 321 ### Λc+ -> p K- K+ |
| 74 | + |
| 75 | +### Ξc+ decays |
| 76 | +4232:oneChannel = 1 0.34 0 2212 -321 211 ### Ξc+ -> p K- π+ |
| 77 | +4232:addChannel = 1 0.33 0 -3312 211 211 ### Ξc+ -> Ξ- π+ π+ |
| 78 | +4232:addChannel = 1 0.33 0 2212 333 ### Ξc+ -> p φ -> p K- K+ |
| 79 | + |
| 80 | +# Allow the decay of resonances in the decay chain |
| 81 | +### K* -> K π |
| 82 | +313:onMode = off |
| 83 | +313:onIfAll = 321 211 |
| 84 | +### for Ds -> φ π+ |
| 85 | +333:onMode = off |
| 86 | +333:onIfAll = 321 321 |
| 87 | +### for D0 -> rho0 π+ k- |
| 88 | +113:onMode = off |
| 89 | +113:onIfAll = 211 211 |
| 90 | +### for Λc -> Delta++ K- |
| 91 | +2224:onMode = off |
| 92 | +2224:onIfAll = 2212 211 |
| 93 | +### for Λc -> Lambda(1520) K- |
| 94 | +102134:onMode = off |
| 95 | +102134:onIfAll = 2212 321 |
| 96 | + |
| 97 | +### Switch off all decay channels |
| 98 | +411:onMode = off |
| 99 | +421:onMode = off |
| 100 | +431:onMode = off |
| 101 | +4122:onMode = off |
| 102 | +4232:onMode = off |
| 103 | + |
| 104 | +# Allow the decay of HF |
| 105 | +### D0 -> K π |
| 106 | +421:onIfMatch = 321 211 |
| 107 | +### D0 -> K π π0 |
| 108 | +421:onIfMatch = 321 211 111 |
| 109 | +### D0 -> π π |
| 110 | +421:onIfMatch = 211 211 |
| 111 | +### D0 -> π π π0 |
| 112 | +421:onIfMatch = 211 211 111 |
| 113 | +### D0 -> K K |
| 114 | +421:onIfMatch = 321 321 |
| 115 | +### D0 -> K K π0 |
| 116 | +421:onIfMatch = 321 321 111 |
| 117 | + |
| 118 | +### D+/- -> K π π |
| 119 | +411:onIfMatch = 321 211 211 |
| 120 | +### D+/- -> K* π |
| 121 | +411:onIfMatch = 313 211 |
| 122 | +### D+/- -> φ π |
| 123 | +411:onIfMatch = 333 211 |
| 124 | +### D+/- -> π π π |
| 125 | +411:onIfMatch = 211 211 211 |
| 126 | + |
| 127 | +### Ds -> φ π |
| 128 | +431:onIfMatch = 333 211 |
| 129 | +### Ds -> K* K |
| 130 | +431:onIfMatch = 321 313 |
| 131 | +### Ds -> π π π |
| 132 | +431:onIfMatch = 211 211 211 |
| 133 | +### Ds -> K π π |
| 134 | +431:onIfMatch = 321 211 211 |
| 135 | +### Ds -> K K K |
| 136 | +431:onIfMatch = 321 321 321 |
| 137 | + |
| 138 | +### Λc -> p K π |
| 139 | +4122:onIfMatch = 2212 321 211 |
| 140 | +### Λc -> p K* |
| 141 | +4122:onIfMatch = 2212 313 |
| 142 | +### Λc -> Delta++ K |
| 143 | +4122:onIfMatch = 2224 321 |
| 144 | +### Λc -> Lambda(1520) π |
| 145 | +4122:onIfMatch = 102134 211 |
| 146 | +### Λc -> p π π |
| 147 | +4122:onIfMatch = 2212 211 211 |
| 148 | +### Λc -> pK0s |
| 149 | +4122:onIfMatch = 2212 311 |
| 150 | +### Λc -> p K K |
| 151 | +4122:onIfMatch = 2212 321 321 |
| 152 | + |
| 153 | +### Ξc+ -> p K- π+ |
| 154 | +4232:onIfMatch = 2212 321 211 |
| 155 | +### Ξc+ -> Ξ- π+ π+ |
| 156 | +4232:onIfMatch = 3312 211 211 |
| 157 | +### Ξc+ -> p φ |
| 158 | +4232:onIfMatch = 2212 333 |
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