Extending the Frontiers - Reconciling Accelerator and Cosmic Ray p-p Cross Sections

Details Extending the Frontiers - Reconciling Accelerator and Cosmic Ray p-p Cross Sections Extending the Frontiers - Reconciling Accelerator and Cosmic Ray p-p Cross Sections

2000-04-25

arxiv.org/abs/hep-ph/0004232v1

Phys.Rev.D62:077501,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, Latex, uses epsfig.sty, 5 postscript figures

Scientific paper

10.1103/PhysRevD.62.077501

We simultaneously fit a QCD-inspired parameterization of all accelerator data on forward proton-proton and antiproton-proton scattering amplitudes, together with cosmic ray data (using Glauber theory), to predict proton-air and proton-proton cross sections at energies near \sqrt s \approx 30 TeV. The p-air cosmic ray measurements provide a strong constraint on the inclusive particle production cross section, as well as greatly reducing the errors on the fit parameters---in turn, greatly reducing the errors in the high energy proton-proton and proton-air cross section predictions.

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