Commit a8efa8ff authored by Jose Manuel Morgado Chávez's avatar Jose Manuel Morgado Chávez
Browse files

xi=x=1 limit ERBL \neq 0

parent 3fb95fdf
......@@ -285,16 +285,17 @@ PARTONS::PartonDistribution algebraicToyModel::computeH()
{
if ( m_xi == 1 )
{
if ( m_x == 1 )
{
uVal = 0.;
uValM = 0.; // Verify this limit.
} else
{
uVal = -3.75*(1-pow(m_x,2))*( (((1-pow(m_x,2))+c1*(1-4*pow(m_x,3)+3*pow(m_x,4)))/pow(1+c1*(1-pow(m_x,2)),2)) - log(1+c1*(1-pow(m_x,2)))/c1 )
/ (c1*pow(1-m_x,2));
uValM = -3.75*(1-pow(m_x,2))*( (((1-pow(m_x,2))+c1*(1+4*pow(m_x,3)+3*pow(m_x,4)))/pow(1+c1*(1-pow(m_x,2)),2)) - log(1+c1*(1-pow(m_x,2)))/c1 )
/ (c1*pow(1+m_x,2));
if ( m_x == 1 )
{
uVal = 0.;
uValM = 0.; // Verify this limit.
}
} else // The following expression shows a "fake" divergence in the limit \xi->1.
{
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment