6533b829fe1ef96bd128a32f

RESEARCH PRODUCT

A precise measurement of the real part of the elastic scattering amplitude at the Sp̄pS

C. AugierJ. VelascoG. SetteD. BernardR. CasesG. MatthiaeM. NovákM. HaguenauerA. MorelliM. BozzoV. KundrátF. NataliM. SmižanskáE. SanchisA. BuenoS. NěmečekJ. BourotteF. DjamaMilos Lokajicek

subject

PhysicsElastic scatteringNuclear and High Energy PhysicsLarge Hadron ColliderStrong interactionElementary particlelcsh:QC1-999law.inventionScattering amplitudeNuclear physicsAmplitudelawAntiprotonHigh Energy Physics::ExperimentColliderNuclear Experimentlcsh:Physics

description

Abstract A precise measurement of pp elastic scattering in the Coulomb-strong interaction interference region was performed at the CERN SppS Collider at a centre-of-mass energy of 541 GeV. The ratio of the real to the imaginary part of the forward elastic scattering amplitude was found to be ρ = 0.135 ± 0.015. The slope of the exponential fall off of the strong interaction part was also measured to be b = 15.5 ± 0.1 GeV −2 .

10.1016/0370-2693(93)90350-qhttp://www.sciencedirect.com/science/article/pii/037026939390350Q