The ALLM parameterization of sigmatot(gamma* p) - an update
Halina Abramowicz, Aharon Levy
Abstract
The ALLM parameterization of sigmatot(gamma* p) has been updated by using all published F2 data to determine its parameters. The fit yields a chi2/ndf of 0.97 for the 1356 data points. The updated ALLM parameterization, ALLM97, gives a good description of all the available data in the whole x and Q2 range studied so far (3×10-6 < x < 0.85, 0 Q2 < 5000 GeV2).
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