Rise of Kp Total Cross Section and Universality
Abstract
The increase of the measured hadronic total cross sections at the highest energies is empirically described by squared log of center-of-mass energy sqrt s as sigma(tot)= B (log s)2, consistent with the energy dependence of the Froissart unitarity bound. The coefficient B is argued to have a universal value, but this is not proved directly from QCD. In the previous tests of this universality, the p(pbar)p, pi p, and K p forward scatterings were analyzed independently and found to be consistent with B(pp) = B(pip) = B(Kp), although the determined value of B(Kp) had large uncertainty. In the present work, we have further analyzed forward Kp scattering to obtain a more exact value of B(Kp). Making use of continuous moment sum rules(CMSR) we have fully exploited the information of low-energy scattering data to predict the high-energy behavior of the amplitude hrough duality. The estimation of B(Kp) is improved remarkably, and our result strongly supports the universality of B.
Keywords
Cite
@article{arxiv.1106.5082,
title = {Rise of Kp Total Cross Section and Universality},
author = {Muneyuki Ishida and Vernon Barger},
journal= {arXiv preprint arXiv:1106.5082},
year = {2011}
}
Comments
12 pages, 3 figures