Abstract

New phenomena discovered at the LHC in nearly forward scattering are discussed. The properties of elastic and inelastic diffraction are related due to Regge factorisation and pomeron dominance.

Highlights

  • At the LHC, in the nearly forward direction for the first time one can see the isolated pomeron, uncontaminated by secondary reggeon contributions

  • Deviation from the exponential diffraction cone are studied in details

  • While the departure from a linear exponential was studied in details both at the ISR and LHC energies, an interpolation between the two is desirable to clarify the uniqueness of the phenomenon

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Summary

Introduction

At the LHC, in the nearly forward direction for the first time one can see the isolated pomeron, uncontaminated by secondary (non-leading) reggeon contributions. The input pomeron is a double pole in the j plane, lying on a non-linear trajectory. Deviation from the exponential diffraction cone are studied in details.

Elastic scattering
A compilation of basic formulae
Fitting procedure
Findings
Conclusions
Full Text
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