PWGGA/GammaConv: add 40-60% parametrizations
PWGGA/GammaConv: add 40-60% parametrizations

SHornung1/AliPhysics,rbailhac/AliPhysics,lcunquei/AliPhysics,victor-gonzalez/AliPhysics,rbailhac/AliPhysics,victor-gonzalez/AliPhysics,dmuhlhei/AliPhysics,alisw/AliPhysics,adriansev/AliPhysics,fcolamar/AliPhysics,rihanphys/AliPhysics,fbellini/AliPhysics,victor-gonzalez/AliPhysics,rbailhac/AliPhysics,dmuhlhei/AliPhysics,amaringarcia/AliPhysics,mpuccio/AliPhysics,alisw/AliPhysics,hzanoli/AliPhysics,rbailhac/AliPhysics,lcunquei/AliPhysics,pchrista/AliPhysics,dmuhlhei/AliPhysics,pchrista/AliPhysics,nschmidtALICE/AliPhysics,SHornung1/AliPhysics,amaringarcia/AliPhysics,lcunquei/AliPhysics,amaringarcia/AliPhysics,AMechler/AliPhysics,mpuccio/AliPhysics,adriansev/AliPhysics,adriansev/AliPhysics,pchrista/AliPhysics,lcunquei/AliPhysics,amaringarcia/AliPhysics,dmuhlhei/AliPhysics,rihanphys/AliPhysics,SHornung1/AliPhysics,SHornung1/AliPhysics,mpuccio/AliPhysics,fcolamar/AliPhysics,alisw/AliPhysics,amaringarcia/AliPhysics,fbellini/AliPhysics,nschmidtALICE/AliPhysics,rihanphys/AliPhysics,fcolamar/AliPhysics,AMechler/AliPhysics,alisw/AliPhysics,pchrista/AliPhysics,fcolamar/AliPhysics,lcunquei/AliPhysics,mpuccio/AliPhysics,AMechler/AliPhysics,adriansev/AliPhysics,SHornung1/AliPhysics,pchrista/AliPhysics,victor-gonzalez/AliPhysics,rihanphys/AliPhysics,hzanoli/AliPhysics,SHornung1/AliPhysics,SHornung1/AliPhysics,victor-gonzalez/AliPhysics,rihanphys/AliPhysics,victor-gonzalez/AliPhysics,nschmidtALICE/AliPhysics,mpuccio/AliPhysics,nschmidtALICE/AliPhysics,AMechler/AliPhysics,lcunquei/AliPhysics,alisw/AliPhysics,hzanoli/AliPhysics,AMechler/AliPhysics,fcolamar/AliPhysics,nschmidtALICE/AliPhysics,fbellini/AliPhysics,fbellini/AliPhysics,alisw/AliPhysics,amaringarcia/AliPhysics,adriansev/AliPhysics,rbailhac/AliPhysics,hzanoli/AliPhysics,fbellini/AliPhysics,adriansev/AliPhysics,lcunquei/AliPhysics,dmuhlhei/AliPhysics,victor-gonzalez/AliPhysics,hzanoli/AliPhysics,nschmidtALICE/AliPhysics,pchrista/AliPhysics,hzanoli/AliPhysics,dmuhlhei/AliPhysics,dmuhlhei/AliPhysics,fcolamar/AliPhysics,adriansev/AliPhysics,amaringarcia/AliPhysics,mpuccio/AliPhysics,rbailhac/AliPhysics,fbellini/AliPhysics,hzanoli/AliPhysics,rbailhac/AliPhysics,fbellini/AliPhysics,fcolamar/AliPhysics,rihanphys/AliPhysics,rihanphys/AliPhysics,mpuccio/AliPhysics,pchrista/AliPhysics,alisw/AliPhysics,AMechler/AliPhysics,AMechler/AliPhysics,nschmidtALICE/AliPhysics