Positivity of the real part of the forward scattering amplitude
- Resource Type
- Working Paper
- Authors
- Martin, André; Wu, Tai Tsun
- Source
- Phys. Rev. D 97, 014011 (2018)
- Subject
- High Energy Physics - Phenomenology
- Language
We prove the general theorem that the real part of the forward two-body scattering amplitude is positive at sufficiently high energies if, above a certain energy, the total cross section increases monotonically to infinity at infinite energy.
Comment: 4 pages