Breaking the Barriers - Uniting Accelerator and Cosmic Ray p-p Cross Sections

Details Breaking the Barriers - Uniting Accelerator and Cosmic Ray p-p Cross Sections Breaking the Barriers - Uniting Accelerator and Cosmic Ray p-p Cross Sections

2000-03-22

arxiv.org/abs/hep-ph/0003226v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, Latex2e, uses epsfig.sty, 19 postscript figures. Presented by M. M. Block at the 25th Pamir-Chacaltaya Collaboration

Scientific paper

We make a QCD-inspired parameterization of all accelerator data on forward proton-proton and antiproton-proton scattering amplitudes. Using vector dominance and the additive quark model, we show that the same parameters also fit gamma p and gamma gamma interactions. Using the high energy predictions of our model, along with Glauber theory, we calculate proton-air cross sections at energies near sqrt s approx 30 TeV. The comparisons of p-air cosmic ray measurements with our QCD model predictions provide a strong constraint on the inclusive particle production cross section.

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