Ijaz Ahmed Ijaz.Ahmed at cern.ch . ... Previous message: [Comphep-common] MSSM Feynman gauge . Next message: [Comphep-common] MSSM Feynman gauge . Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] . Dear Edward, Many thanks, it worked now, but in "constraints" when i tried to define new values of CKM matric element e.g., Vcb=0.03, it did't allow me to choose value in such manner. ... Take the initial proton with the b-quark parton in it. ...