Uncertanties in Air-showers from Small-x pQCD Mini-Jets

Details Uncertanties in Air-showers from Small-x pQCD Mini-Jets Uncertanties in Air-showers from Small-x pQCD Mini-Jets

2005-10-28

arxiv.org/abs/hep-ph/0510379v2

ActaPhys.Hung.A27:315-318,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, contribution to QM2005 proceedings, revised version after referee comments

Scientific paper

10.1556/APH.27.2006.2-3.29

To investigate uncertainties in air shower simulations caused by the small-x regime, a model including leading-twist hard pQCD plus soft processes was built, which are separated by an energy dependent transverse momentum cut-off. We provide a fit of the cut-off to the total pp cross section for different PDFs using the eikonal formalism and show that for modern PDF sets there is only a small uncertainty in the mini-jet cross section, and hence in the final-state multiplicity and the number of produced muons.

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