- Brief class description:
- The class responsible for the flavour generation according to the Lund scheme of fragmentation.
See also Pythia7::LundFlavourGenerator
Name: P_S1L1J2
Type: Parameter
- Description:
- The probability that a spin = 1 meson is produced with an orbital angular momentum 1, for a total spin = 2 [noUnit].
Default value: 0
Minimum value: 0
Maximum value: 1
Name: P_S1L1J1
Type: Parameter
- Description:
- The probability that a spin = 1 meson is produced with an orbital angular momentum 1, for a total spin = 1 [noUnit].
Default value: 0
Minimum value: 0
Maximum value: 1
Name: P_S1L1J0
Type: Parameter
- Description:
- The probability that a spin = 1 meson is produced with an orbital angular momentum 1, for a total spin = 0 [noUnit].
Default value: 0
Minimum value: 0
Maximum value: 1
Name: P_S0L1J1
Type: Parameter
- Description:
- The probability that a spin = 0 meson is produced with an orbital angular momentum 1, for a total spin = 1 [noUnit].
Default value: 0
Minimum value: 0
Maximum value: 1
Name: S1hqMesonP
Type: Parameter
- Description:
- The probability that a charm or heavier meson has spin 1 [noUnit].
Default value: 0.75
Minimum value: 0
Maximum value: 1
Name: S1sMesonP
Type: Parameter
- Description:
- The probability that a strange meson has spin 1 [noUnit].
Default value: 0.6
Minimum value: 0
Maximum value: 1
Name: S1lightMesonP
Type: Parameter
- Description:
- The probability that a light meson (containing u and d quarks only) hasspin 1 (with (1-S1lightMeson) the probability for spin 0) when formedformed in thefragmentation [noUnit].
Default value: 0.5
Minimum value: 0
Maximum value: 1
Name: sDQvQsup
Type: Parameter
- Description:
- Is the ratio (P(us)/P(ud))/(P(s)/P(d)), the extra suppression of strangediquark production compared with the normal suppression of strange quarks [noUnit]
Default value: 0.4
Minimum value: 0
Maximum value: 1
Name: sQsup
Type: Parameter
- Description:
- Is the ratio P(s)/P(u), the suppression of s quark pair production in the field compared with u(d) pair production [noUnit].
Default value: 0.3
Minimum value: 0
Maximum value: 1
Name: BMsBsup
Type: Parameter
- Description:
- Extra suppression for having a strange meson M in a [B M Bbar] configuration.[no Unit]
Default value: 0.5
Minimum value: 0
Maximum value: 1
Name: BssBsup
Type: Parameter
- Description:
- Extra suppression for having a [ss_bar] pair shared by the B and Bbar of a [B M Bbar] configuration. [no Unit]
Default value: 0.5
Minimum value: 0
Maximum value: 1
Name: MesonP
Type: Parameter
- Description:
- Determine the relative occurence of baryon production by [B M Bbar] and by [B Bbar] configurations in the popcorn baryon production model. [no Unit]
Default value: 0.5
Minimum value: 0
Maximum value: 1
Name: extraEtapSup
Type: Parameter
- Description:
- Extra suppression factor for Eta' production in fragmentation. If an Eta' is rejected a new flavour pair is generated and a new hadron formed.[no Unit]
Default value: 0.4
Minimum value: 0
Maximum value: 1
Name: extraEtaSup
Type: Parameter
- Description:
- Extra suppression factor for Eta production in fragmentation. If an Eta is rejected a new flavour pair is generated and a new hadron formed.[no Unit]
Default value: 1
Minimum value: 0
Maximum value: 5
Name: SBaryonDecupletSup
Type: Parameter
- Description:
- Extra suppression factor multiplying the ordinary SU(6) weight for spin 3/2 baryons and hence a means to break SU(6) in addition to the dynamic breaking implied by the parameters sQsup, sDQvQsup, S1DQsup, BssBsup, BMsBsup[no Unit]
Default value: 1
Minimum value: 0
Maximum value: 5
Name: S1DQsup
Type: Parameter
- Description:
- Is (1/3)P(ud_1)/P(ud_0) : the suppression of spin 1 diquarks compared with spin 0 ones (excluding the factor 3 coming from spin counting).[no Unit]
Default value: 0.05
Minimum value: 0
Maximum value: 1
Name: DQsup
Type: Parameter
- Description:
- Is the ratio P(qq)/P(q) : the suppression of diquark-antidiquark pair production in the colour field, compared with quark--antiquark production[no Unit]
Default value: 0.1
Minimum value: 0
Maximum value: 1
Name: BaryonMode
Type: Switch
- Description:
- Choice of the baryon production mode
Registered options:
- 0(
NoBaryon)
- no baryon-antibaryon pair production at all
- 1(
Baryon-antiBaryon_Mod)
- diquark-antidiquark pair production allowed
- 2(
PopCorn)
- diquark-antidiquark pair production allowed with possibility for diquark to be split according to the `popcorn' scheme.
Default value: 2
There may be interfaces inherited from the
ThePEG::FlavourGenerator class.
