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

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Aliberti, Riccardo, Beltrame, Paolo ORCID: 0000-0001-9523-6128, Budassi, Ettore, Carloni Calame, Carlo, Colangelo, Gilberto, Cotrozzi, Lorenzo ORCID: 0000-0002-0375-0611, Denig, Achim, Driutti, Anna, Engel, Tim, Flower, Lois ORCID: 0000-0002-2786-228X et al (show 25 more authors) , Gurgone, Andrea, Hoferichter, Martin, Ignatov, Fedor ORCID: 0000-0001-7061-6060, Kollatzsch, Sophie, Kubis, Bastian, Kupsc, Andrzej, Lange, Fabian, Lusiani, Alberto, Müller, Stefan E, Paltrinieri, Jérémy, Rosàs, Pau Petit, Piccinini, Fulvio, Price, Alan, Punzi, Lorenzo, Rocco, Marco, Shekhovtsova, Olga, Siódmok, Andrzej, Signer, Adrian, Stagnitto, Giovanni, Stoffer, Peter, Teubner, Thomas ORCID: 0000-0002-0680-0776, Torres Bobadilla, William J ORCID: 0000-0001-6797-7607, Ucci, Francesco P, Ulrich, Yannick ORCID: 0000-0002-9947-3064 and Venanzoni, Graziano ORCID: 0000-0002-3525-476X (2025) Radiative corrections and Monte Carlo tools for low-energy hadronic cross sections in $e^+ e^-$ collisions SciPost Physics Community Reports. 009-. ISSN 3051-3197

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Abstract

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.

Item Type:	Article
Uncontrolled Keywords:	5106 Nuclear and Plasma Physics, 5107 Particle and High Energy Physics, 51 Physical Sciences
Divisions:	Faculty of Science & Engineering Faculty of Science & Engineering > School of Physical Sciences
Depositing User:	Symplectic Admin
Date Deposited:	07 Jul 2025 07:30
Last Modified:	23 May 2026 10:21
DOI:	10.21468/scipostphyscommrep.9
Open Access URL:	https://doi.org/10.21468/SciPostPhysCommRep.9
Related Websites:	Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3193563
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