1. Helicity amplitudes on the light-front Open Access Author: Cruz-santiago, Christian Alexander Title: Helicity amplitudes on the light-front Graduate Program: Physics Keywords: scattering amplitudeshelicity amplitudesmaximum helicity violatingMHVlight frontlight coneoff-shellgauge invariance File: Download ChristianACruzSantiago-Dissertation.pdf Committee Members: Anna Stasto, Dissertation Advisor/Co-AdvisorAnna Stasto, Committee Chair/Co-ChairEugenio Bianchi, Committee MemberJohn C Collins, Committee MemberVictor Nistor, Committee Member