Computation of forward pp dispersion relations | Zendy

P. Pascual | Zendy; Félix Ynduráin | Zendy

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Computation of forward pp dispersion relations

Author(s) -

P. Pascual,

Félix Ynduráin

Publication year - 1969

Publication title -

il nuovo cimento a

Language(s) - English

Resource type - Journals

ISSN - 0369-3546

DOI - 10.1007/bf02755127

Subject(s) - dispersion relation , computation , amplitude , dispersion (optics) , chebyshev filter , zero (linguistics) , chebyshev polynomials , energy (signal processing) , series (stratigraphy) , product (mathematics) , mathematics , bar (unit) , mathematical analysis , physics , algorithm , quantum mechanics , geometry , statistics , geology , meteorology , paleontology , linguistics , philosophy

Summary We compute forward pp dispersion relations by expanding the unphysical part in a series of Chebyshev polynomials, and fitting the coefficients to the experimental low-energy values of Ref pp. The fit is very good and the results are consistent with experiment when extrapolated at high energy. As a by-product, values of real and imaginary parts of the $$\bar pp$$ amplitude at zero energy are obtained.

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