QCDLoop
One-loop scalar Feynman integrals
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The one-loop scalar integral trigger. More...
#include <qcdloop.h>
Public Member Functions | |
QCDLoop () | |
The Constructor. | |
~QCDLoop () | |
The Destructor. | |
void | integral (vector< TOutput > &res, TScale const &mu2, vector< TMass > const &m, vector< TScale > const &p={}) const |
Computes the one-loop scalar integral. More... | |
void | setCacheSize (int const &size) |
Set the Cache size. | |
The one-loop scalar integral trigger.
Parses automatically the topology and computes the integral
void ql::QCDLoop< TOutput, TMass, TScale >::integral | ( | vector< TOutput > & | res, |
TScale const & | mu2, | ||
vector< TMass > const & | m, | ||
vector< TScale > const & | p = {} |
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) | const |
Computes the one-loop scalar integral.
QCDLoop<TOutput, TScale, TMass>::I.
res | output object res[0,1,2] the coefficients in the Laurent series |
mu2 | is the square of the scale mu |
m | are the squares of the masses of the internal lines |
p | are the four-momentum suqared of the external lines |