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SUMMARY:Precision Monte Carlo Tools and Resummation of Soft-Photon Effects
  for Low-Energy e+e- Scattering - Jérémy Paltrinieri\, University of Liv
 erpool
DTSTART:20260306T160000Z
DTEND:20260306T170000Z
UID:TALK245248@talks.cam.ac.uk
CONTACT:Nelson Lachini
DESCRIPTION:Robust Monte Carlo generators are crucial for analysing low-en
 ergy electron-positron scattering\, which is essential for precision tests
  of the Standard Model\, such as the determination of the hadronic vacuum 
 polarisation contribution to the muon. The community-driven initiative Rad
 ioMonteCarlow2 (RMCL2) aims to collect\, improve\, and facilitate the use 
 of tools for differential cross-sections of leptons and hadrons at centre-
 of-mass energies of a few GeV.\nIn the first part of this talk\, I will su
 mmarise Phase I (arXiv:2410.22882) of this initiative\, providing comparis
 ons of Monte Carlo predictions for muon\, pion\, and electron pair product
 ion in energy-scan and radiative-return experiments. In a second part\, I 
 will discuss soft-photon resummation (based on YFS) and its implementation
  using tensor decomposition\, offering insight into higher-order radiative
  corrections for these processes.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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