TY - BOOK AU - Singh, Ayush AU - Gowdigere, Chethan N. TI - Scattering amplitudes and loop calculations in Quantum Field Theory U1 - 530.145.7 PY - 2022/// CY - Bhubaneswar PB - NISER KW - QUANTUM FIELD THEORY KW - VERTEX CORRECTIONS KW - SPINOR HELICITY FORMALISM KW - FEYNMAN RULES KW - PERTURBATION THEORY ER -