The following EM force mediated by amplitudes represent interactions between ultra-relativistic particles in their initi
Posted: Tue Jul 05, 2022 7:33 am
questions: a) Is there any null amplitude? b) Is any amplitude equal? c) Using Mandelstam's variables, can amplitudes be equalized?
The following EM force mediated by amplitudes represent interactions between ultra-relativistic particles in their initial and final states with defined helicities (R: right, L: left): 1. (e¯R.HR/Me¯L,μ¯₂) 2. (e¯₁₁μ¯¯₁|M|e¯¯ ₁₁μ¯¯₂) 3. (μ¯¯₁₁μ+R|M²|e- LeR) 4. (μ¯R₁M+ R/Me¯¯R₁e+ R) R' 5. (μ¯ R₁μ+ LIM|e¯ R₁e+₁) RIM+ Justify the answer to each of the following