Evidence for eikonal zeros in the momentum transfer space

Details Evidence for eikonal zeros in the momentum transfer space Evidence for eikonal zeros in the momentum transfer space

1997-07-14

arxiv.org/abs/hep-ph/9707346v2

Phys.Rev. D56 (1997) 7321-7324

Physics

High Energy Physics

High Energy Physics - Phenomenology

Text with 9 pages in Revtex (preprint form), 8 figures in PostScript. Replaced with small changes. Final version to be publish

Scientific paper

10.1103/PhysRevD.56.7321

We present the results of fitting elastic $pp$ differential cross section data at 23.5 $\leq \sqrt{s} \leq$ 62.5 GeV with a novel analytic parametrization for the scattering amplitude. Making use of a fitting method, the errors from the free parameters are propagated to the imaginary part of the eikonal in the momentum transfer space. A novel systematic study of the effects coming from data at large momentum transfer is also performed. We find statistical evidence for the existence of eikonal zeros in the interval of momentum transfer 5-9 $GeV^{2}$.

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