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High-Energy Proton-Proton Forward Scattering and Derivative Analyticity Relations by Avila, R. F.; Luna, E. G. S.; Menon, M. J. is a scholarly article available to read on EtoBox.

What is High-Energy Proton-Proton Forward Scattering and Derivative Analyticity Relations about?

We present the results of several parametrizations to two different ensemble of data on $pp$ total cross sections $\sigma_{tot}^{pp}$ at the highest center-of-mass energies (including cosmic-ray information). The results are statistically consistent with two distinct scenarios at high energies. From one ensemble the prediction for the LHC ($\sqrt s = 14$ TeV) is $\sigma_{tot}^{pp} = 113 \pm 5$ mb and from the other, $\sigma_{tot}^{pp}=140 \pm 7$ mb. From each parametrization, and making use of derivative analyticity relations (DAR), we determine $\rho(s)$ (ratio between the forward real and imaginary parts of the elastic scattering amplitude). A discussion on the optimization of the DAR in terms of a free parameter is also presented.In all cases good descriptions of the experimental data are obtained.

Author

Avila, R. F.; Luna, E. G. S.; Menon, M. J.

Published

2001

Language

EN