Abstract

Diffractive, elastic, and precision total pp cross-section predictions, based on the pre-LHC RENORM/MBR model, are compared to recent experimental results. Discrepancies among results by different experiments present a challenge to testing the model. Suggestions for analyses/measurements to understand and resolve the experimental discrepancies are discussed.

Highlights

  • We present an updated comparison between the precision RENORM / MBR model [1] diffraction predictions and LHC experimantal results, presented at ICNFP-2016, to cover new measurements

  • Exclusive charged di-pion data [3,4,5]. This change in RENORM / MBR decreases the uncertainties in the predictions of the total, elastic, and total-inelastic cross sections to less than 2% from Tevatron to LHC energies, with little o√r no effect on the mean values.√The predictions were compared with measurements by ATLAS at s = 7 TeV and by TOTEM at s = 7 and 8 TeV at Moriond QCD in

  • At ICNFP-2016 (July 2016) we√presented an update of [6] to include the new measurements of the total inelastic cross section at s = 13 TeV by ATLAS and CMS reported at DIS-2016

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Summary

Introduction

We present an updated comparison between the precision RENORM / MBR model [1] diffraction predictions and LHC experimantal results, presented at ICNFP-2016, to cover new measurements. Exclusive charged di-pion data [3,4,5] This change in RENORM / MBR decreases the uncertainties in the predictions of the total, elastic, and total-inelastic cross sections to less than 2% from Tevatron to LHC energies, with little o√r no effect on the mean values.√The predictions were compared with measurements by ATLAS at s = 7 TeV and by TOTEM at s = 7 and 8 TeV at Moriond QCD in. At ICNFP-2016 (July 2016) we√presented an update of [6] to include the new measurements of the total inelastic cross section at s = 13 TeV by ATLAS and CMS reported at DIS-2016 All measured cross sections were in good agreement within the experimental uncertainties of the data and the theoretical uncertainties of the model, reaching down to the ∼1% level (Table 1). The data are in excellent agreement with the RENORM / MBR predictions down to the ∼ 1% level

RENORM cross sections
Inelastic cross section:
Findings
Summary and conclusions
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