How well can we predict the total cross section at the LHC?
P V Landshoff
TL;DR
This paper discusses the potential size of the total cross section at the LHC, considering experimental and theoretical uncertainties, and suggests a broad prediction range independent of specific theories.
Contribution
It provides a theory-independent estimate of the LHC total cross section, highlighting the large possible values and associated uncertainties.
Findings
Estimated LHC total cross section: 125 ± 35 mb
Large cross section values are plausible based on Tevatron data
Uncertainties significantly affect the prediction range
Abstract
Independently of any theory, the possibility that the large value of the Tevatron cross section claimed by CDF is correct suggests that the total cross section at the LHC may be large. Because of the experimental and theoretical uncertainities, the best prediction is mb.
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