- #1
Hepth
Gold Member
- 464
- 40
I wish to integrate:
[tex]
\int dE \frac{\sqrt{E^2-m^2}}{E} \log \left(\frac{E-\sqrt{E^2-m^2}}{E+\sqrt{E^2-m^2}} \right) [/tex]
Integrate[ Sqrt[(El - m) (El + m)]/El Log[( (El -Sqrt[(El - ml) (El + ml)])/ (Sqrt[(El - ml) (El + ml)] + El))], El]
But it won't do it. Anyone have any ideas as to why? I've set the assumptions
$Assumptions = ml >= 0 && El >= ml
Is this just an impossible integral? It seems well behaved.
[tex]
\int dE \frac{\sqrt{E^2-m^2}}{E} \log \left(\frac{E-\sqrt{E^2-m^2}}{E+\sqrt{E^2-m^2}} \right) [/tex]
Integrate[ Sqrt[(El - m) (El + m)]/El Log[( (El -Sqrt[(El - ml) (El + ml)])/ (Sqrt[(El - ml) (El + ml)] + El))], El]
But it won't do it. Anyone have any ideas as to why? I've set the assumptions
$Assumptions = ml >= 0 && El >= ml
Is this just an impossible integral? It seems well behaved.