Radiative corrections and Monte Carlo tools for low-energy hadronic cross sections in \(e^+ e^-\) collisions

Radiative corrections and Monte Carlo tools for low-energy hadronic cross sections in \(e^+ e^-\) collisions

We present the results of Phase I of an ongoing review of Monte Carlo tools relevant for low-energy hadronic cross sections. This includes a detailed comparison of Monte Carlo codes for electron-positron scattering into a muon pair, pion pair, and electron pair, for scan and radiative-return experim...

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Veröffentlicht in:arXiv.org 2024-12
Hauptverfasser: Aliberti, Riccardo, Beltrame, Paolo, Budassi, Ettore, Carloni Calame, Carlo M, Colangelo, Gilberto, Cotrozzi, Lorenzo, Denig, Achim, Driutti, Anna, Engel, Tim, Flower, Lois, Gurgone, Andrea, Hoferichter, Martin, Ignatov, Fedor, Kollatzsch, Sophie, Kubis, Bastian, Kupść, Andrzej, Lange, Fabian, Lusiani, Alberto, Müller, Stefan E, Paltrinieri, Jérémy, Pau Petit Rosàs, Piccinini, Fulvio, Price, Alan, Punzi, Lorenzo, Rocco, Marco, Shekhovtsova, Olga, Siódmok, Andrzej, Signer, Adrian, Stagnitto, Giovanni, Stoffer, Peter, Teubner, Thomas, Torres Bobadilla, William J, Ucci, Francesco P, Ulrich, Yannick, Venanzoni, Graziano
Format: Artikel
Sprache:eng
Schlagworte:
Pions
Positron scattering
Scattering cross sections
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Zusammenfassung:We present the results of Phase I of an ongoing review of Monte Carlo tools relevant for low-energy hadronic cross sections. This includes a detailed comparison of Monte Carlo codes for electron-positron scattering into a muon pair, pion pair, and electron pair, for scan and radiative-return experiments. After discussing the various approaches that are used and effects that are included, we show differential cross sections obtained with AfkQed, BabaYaga@NLO, KKMC, MCGPJ, McMule, Phokhara, and Sherpa, for scenarios that are inspired by experiments providing input for the dispersive evaluation of the hadronic vacuum polarisation.
ISSN:2331-8422