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Fix remaining luminosity combinations #26

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merged 4 commits into from
May 15, 2023
Merged

Fix remaining luminosity combinations #26

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5b2f4b3
Fix remaining luminosity combinations
cschwan Dec 22, 2022
92ae3de
Add more missing PDFs
cschwan Dec 27, 2022
5e7c627
Add a few comments
cschwan Dec 27, 2022
3ab9b51
Try to fix one more bug
cschwan May 13, 2023
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24 changes: 12 additions & 12 deletions src/Vlumifns_LHApdf.C
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ double qqbar_lumi(const pdfArray& X1, const pdfArray& X2, process p, collider c)
+ X1.b * X2.b + X1.bbar * X2.bbar ) ; }
else if (c==piso) { return
pref_u * ( X1.u * (X2.ubar+X2.dbar)/2. + X1.ubar * (X2.u+X2.d)/2.
+ 2. * X1.c * X2.c )
+ X1.c * X2.cbar + X1.cbar * X2.c )
+ pref_d * ( X1.d * (X2.dbar+X2.ubar)/2. + X1.dbar * (X2.d+X2.u)/2.
+ X1.s * X2.sbar + X1.sbar * X2.s
+ X1.b * X2.bbar + X1.bbar * X2.b ) ; }
Expand Down Expand Up @@ -228,7 +228,7 @@ double gq_lumi(const pdfArray& X1, const pdfArray& X2, collider c){
else if ((c==pp) || (c==ppbar)) { return
( vsqasq_u * (X2.u + X2.ubar + X2.c + X2.cbar)
+ vsqasq_d * (X2.d + X2.dbar
+ X2.s + X2.sbar + 2. * X2.b) )
+ X2.s + X2.sbar + X2.b + X2.bbar) )
* X1.gluon;
}
else if (c==piso) { return
Expand Down Expand Up @@ -304,8 +304,8 @@ double qq_22_lumi(const pdfArray& X1, const pdfArray& X2, collider c){
else if ((c==pp) || (c==ppbar)){ return
( vsqasq_u * ( X2.u + X2.ubar + X2.c + X2.cbar )
+ vsqasq_d * ( X2.d + X2.dbar + X2.s + X2.sbar + X2.b + X2.bbar ) )
* ( X1.u + X1.ubar + 2.*X1.c
+ X1.d + X1.dbar + X1.s + X1.sbar + 2.*X1.b );
* ( X1.u + X1.ubar + X1.c + X1.cbar
+ X1.d + X1.dbar + X1.s + X1.sbar + X1.b + X1.bbar );
}
else if (c==piso){ return
( vsqasq_u * ( (X2.u + X2.ubar + X2.d + X2.dbar)/2. + X2.c + X2.cbar )
Expand All @@ -328,18 +328,18 @@ double qq_12_lumi(const pdfArray& X1, const pdfArray& X2, collider c){
return 0.;
}
double temp = - (
vuvu * (X1.u - X1.ubar) * (X2.u - X2.ubar)
+ vuvd * ( (X1.u - X1.ubar) * (X2.d - X2.dbar)
+ (X1.d - X1.dbar) * (X2.u - X2.ubar) )
+ vdvd * (X1.d - X1.dbar) * (X2.d - X2.dbar) ) ;
vuvu * (X1.u - X1.ubar + X1.c - X1.cbar) * (X2.u - X2.ubar + X2.c - X2.cbar)
+ vuvd * ( (X1.u - X1.ubar + X1.c - X1.cbar) * (X2.d - X2.dbar + X2.s - X2.sbar + X2.b - X2.bbar)
+ (X1.d - X1.dbar + X1.s - X1.sbar + X1.b - X1.bbar) * (X2.u - X2.ubar + X2.c - X2.cbar) )
+ vdvd * (X1.d - X1.dbar + X1.s - X1.sbar + X1.b - X1.bbar) * (X2.d - X2.dbar + X2.s - X2.sbar + X2.b - X2.bbar) ) ;
if (c==pp){ return temp; }
else if (c==ppbar) { return - temp; }
else if(c==piso) {
return - (
vuvu * (X1.u - X1.ubar)
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+ vuvd * ( (X1.u - X1.ubar + X1.d - X1.dbar)
+ vdvd * (X1.d - X1.dbar))
* (X2.u - X2.ubar + X2.d - X2.dbar)/2. );
vuvu * (X1.u - X1.ubar + X1.c - X1.cbar) * ((X2.u - X2.ubar + X2.d - X2.dbar)/2.0 + X2.c - X2.cbar)
+ vuvd * ( (X1.u - X1.ubar + X1.c - X1.cbar) * ((X2.u - X2.ubar + X2.d - X2.dbar)/2.0 + X2.s - X2.sbar + X2.b - X2.bbar)
+ (X1.d - X1.dbar + X1.s - X1.sbar + X1.b - X1.bbar) * ((X2.u - X2.ubar + X2.d - X2.dbar)/2.0 + X2.c - X2.cbar) )
+ vdvd * (X1.d - X1.dbar + X1.s - X1.sbar + X1.b - X1.bbar) * ((X2.u - X2.ubar + X2.d - X2.dbar)/2.0 + X2.s - X2.sbar + X2.b - X2.bbar) ) ;
}
else return 0.;
}
Expand Down