Radiative corrections and Monte Carlo tools for low-energy hadronic cross sections in e+e− collisions
Riccardo Aliberti, Paolo Beltrame, Ettore Budassi, Carlo M. Carloni Calame, Gilberto Colangelo, Lorenzo Cotrozzi, Achim Denig, Anna Driutti, Tim Engel, Lois Flower, Andrea Gurgone, Martin Hoferichter, Fedor Ignatov, Sophie Kollatzsch, Bastian Kubis, Andrzej Kupść, Fabian Lange, Alberto Lusiani, Stefan E. Müller, Jérémy Paltrinieri, Pau Petit Rosàs, Fulvio Piccinini, Alan Price, Lorenzo Punzi, Marco Rocco, Olga Shekhovtsova, Andrzej Siódmok, Adrian Signer, Giovanni Stagnitto, Peter Stoffer, Thomas Teubner, William J. Torres Bobadilla, Francesco P. Ucci, Yannick Ulrich, Graziano Venanzoni
SciPost Phys. Comm. Rep. 9 (2025) · published 25 June 2025
- doi: 10.21468/SciPostPhysCommRep.9
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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.
Supplementary Information
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Cited by 1

Authors / Affiliations: mappings to Contributors and Organizations
See all Organizations.- 1 Riccardo Aliberti,
- 2 Paolo Beltrame,
- 3 4 Ettore Budassi,
- 4 Carlo Carloni Calame,
- 5 Gilberto Colangelo,
- 2 Lorenzo Cotrozzi,
- 1 Achim Denig,
- 6 7 Anna Driutti,
- 8 Tim Engel,
- 2 9 Lois Flower,
- 3 6 7 Andrea Gurgone,
- 5 Martin Hoferichter,
- 2 Fedor Ignatov,
- 10 11 Sophie Kollatzsch,
- 12 Bastian Kubis,
- 13 14 Andrzej Kupsc,
- 10 11 Fabian Lange,
- 6 15 Alberto Lusiani,
- 16 Stefan E. Müller,
- 2 Jérémy Paltrinieri,
- 2 Pau Petit Rosàs,
- 4 Fulvio Piccinini,
- 17 Alan Price,
- 6 15 Lorenzo Punzi,
- 10 18 19 Marco Rocco,
- 20 21 Olga Shekhovtsova,
- 17 Andrzej Siódmok,
- 10 11 Adrian Signer,
- 22 23 Giovanni Stagnitto,
- 10 11 Peter Stoffer,
- 2 Thomas Teubner,
- 2 William J. Torres Bobadilla,
- 3 4 Francesco P. Ucci,
- 2 5 Yannick Ulrich,
- 2 6 Graziano Venanzoni
- 1 Johannes Gutenberg-Universität Mainz / Johannes Gutenberg University of Mainz
- 2 University of Liverpool
- 3 Università degli Studi di Pavia / University of Pavia [UNIPV]
- 4 INFN Sezione di Pavia
- 5 University of Bern [Univ Bern]
- 6 INFN Sezione di Pisa
- 7 Università di Pisa / University of Pisa [UniPi]
- 8 Albert-Ludwigs-Universität Freiburg / University of Freiburg
- 9 Durham University
- 10 Paul Scherrer Institute [PSI]
- 11 Universität Zürich / University of Zurich [UZH]
- 12 Rheinische Friedrich-Wilhelms-Universität Bonn / University of Bonn
- 13 Narodowe Centrum Badań Jądrowych / National Centre for Nuclear Research [NCBJ]
- 14 Uppsala universitet / Uppsala University
- 15 Scuola Normale Superiore di Pisa
- 16 Forschungszentrum Dresden-Rossendorf / Helmholtz-Zentrum Dresden-Rossendorf [HZDR]
- 17 Uniwersytet Jagielloński / Jagiellonian University
- 18 Istituto Nazionale di Fisica Nucleare Sezione di Torino / INFN Sezione di Torino
- 19 Università degli Studi di Torino / University of Turin [UNITO]
- 20 Харківський фізико-технічний інститут / Kharkov Institute of Physics and Technology [KIPT]
- 21 INFN Sezione di Perugia
- 22 INFN Sezione di Milano Bicocca
- 23 Università degli Studi di Milano-Bicocca / University of Milano-Bicocca [UNIMIB]
- Deutsche Forschungsgemeinschaft / German Research FoundationDeutsche Forschungsgemeinschaft [DFG]
- Horizon 2020 (through Organization: European Commission [EC])
- Infrastruktura PL-Grid
- Leverhulme Trust
- Ministero dell’Istruzione, dell’Università e della Ricerca (MIUR) (through Organization: Ministero dell'Istruzione, dell'Università e della Ricerca / Ministry of Education, Universities and Research [MIUR])
- Narodowe Centrum Nauki / National Science Center [NCN]
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung / Swiss National Science Foundation [SNF]
- Science and Technology Facilities Council [STFC]
- Uniwersytet Jagielloński w Krakowie (through Organization: Uniwersytet Jagielloński / Jagiellonian University)