Computational Methods in Particle Physics: On-Shell Methods in Field Theory, ... or collinear with massless external leg. or both. Coefficients of infrared poles and ...
Computational Methods in Particle Physics: On-Shell Methods in Field Theory, ... Bern, Dixon, DAK (1 7/2005) Complex shift of momenta. Behavior as z : require A(z) 0 ...
Tecniche Monte Carlo per la fisica dei jet Leticia Cunqueiro INFN Frascati Jets in pp A jet is produced in a hard elementary interaction with high virtuality Q2 ...
Definite helicity: introduce homogeneous coordinates ZI. CP3 or RP3 (projective) twistor space ... to integrating over collections of intersecting straight ...
Tous les r sultats sont pr liminaires sauf indication contraire ... Battements att nu s. En formules... Diagonalisation. Subatech le 9/9/04. J. Chauveau ...