High-Energy Proton-Proton Diffraction Scattering

On High - Energy Inelastic Electron - Proton Scattering

Review of High Energy Diffraction in Real and Virtual Photon Proton scattering at HERA

The electron-proton collider HERA at DESY opened the door for the study of diffraction in real and virtual photon-proton scattering at center-of-mass energies W up to 250 GeV and for large negative mass squared −Q2 of the virtual photon up to Q = 1600 GeV. At W = 220 GeV and Q = 4 GeV, diffraction accounts for about 15% of the total virtual photon proton cross section decreasing to ≈ 5% at Q = ...

Low energy proton-proton scattering in effective field theory

Low energy proton-proton scattering is studied in pionless effective field theory. Employing the dimensional regularization and MS and power divergence subtraction schemes for loop calculation, we calculate the scattering amplitude in S0 channel up to nextto-next-to leading order and fix low-energy constants that appear in the amplitude by effective range parameters. We study regularization sch...

Inelastic Profon - Proton Scattering at Very High Energy

The spin dependence of high energy proton scattering

Motivated by the need for an absolute polarimeter to determine the beam polarization for the forthcoming RHIC spin program, we study the spin dependence of the proton-proton elastic scattering amplitudes at high energy and small momentum transfer. In particular, we examine experimental evidence for the existence of an asymptotic part of the helicity-flip amplitude φ5 which is not negligible rel...