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Poincaré Invariant Three-Body Scattering at Intermediate Energies
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Poincaré Invariant Three-Body Scattering at Intermediate Energies

T Lin, Ch Elster, W Polyzou, H Witala and W Gloeckle
arXiv.org, Vol.78(2)
Cornell University Library, arXiv.org
08/01/2008
DOI: 10.48550/arXiv.0801.3210
url
https://doi.org/10.48550/arXiv.0801.3210View
Preprint (Author's original)This preprint has not been evaluated by subject experts through peer review. Preprints may undergo extensive changes and/or become peer-reviewed journal articles. Open Access

Abstract

The relativistic Faddeev equation for three-nucleon scattering is formulated in momentum space and directly solved in terms of momentum vectors without employing a partial wave decomposition. The equation is solved through Padé summation, and the numerical feasibility and stability of the solution is demonstrated. Relativistic invariance is achieved by constructing a dynamical unitary representation of the Poincaré group on the three-nucleon Hilbert space. Based on a Malfliet-Tjon type interaction, observables for elastic and break-up scattering are calculated for projectile energies in the intermediate energy range up to 2 GeV, and compared to their nonrelativistic counterparts. The convergence of the multiple scattering series is investigated as a function of the projectile energy in different scattering observables and configurations. Approximations to the two-body interaction embedded in the three-particle space are compared to the exact treatment.
Elastic scattering Faddeev equations Hilbert space Momentum Projectiles Quantum theory Relativism Relativistic effects

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