Speaker
Description
I will discuss the role played by transverse momentum distributions of initial state Soft Gluon Resummation (SGR) in the rise of the total hadronic cross-section [1] and the forward slope of the elastic differential cross-section. I will review the eikonal mini-jet model we developed with SGR inspired by Touschek resummation method for QED, based on the Bloch and Nordsieck theorem, statistical methods and four-momentum conservation for the emitted overall soft radiation. I shall discuss the prediction of this model for LHC data, discussing the present tension between ATLAS and TOTEM measurements at √s = 13 TeV. The role played by the zero momentum mode in gauge theories and the connection it to the forward slope of the elastic differential pp cross-section will be presented [2].
1. G. Pancheri and Y. Srivastava, Introduction to the physics of the total cross-section at LHC: A Review of Data and Models, Eur. Phys. J. C77 (2017) 3.
2. G. Pancheri, Y.N. Srivastava, O. Shekhovtsova,Ansatz about a Zero Momentum Mode in QCD and the Forward Slope in pp Elastic Scattering, Ukr.J.Phys. 69 (2024) 11, 879, e-Print: 2411.05974 [hep-ph].