New approaches to the determination of the total cross section

Details New approaches to the determination of the total cross section New approaches to the determination of the total cross section

2001-01-09

arxiv.org/abs/hep-ph/0101071v1

Nucl.Phys.Proc.Suppl. 99A (2001) 60-63

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, LaTeX, no figures, Talk at the International Workshop " Diffraction 2000" (Cetraro, Italy, 2-7 September 2000)

Scientific paper

10.1016/S0920-5632(01)01308-1

New methods have been developed for extracting the parameters of diffraction scattering amplitude, $\sigma_{tot}$ and $\rho=Re F_N/Im F_N$, from experimental data. The latter determines these parameters with less errors and without the knowledge of the normalization coefficient. The impact of additional information from the measurement of the spin-dependence cross section on the determination of the basic characteristic of elastic scattering amplitude is examined. The new form of the connection between some characteristics of the analyzing power and magnitude of the $pp-$ total cross section is presented.

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