Szczegóły publikacji
Opis bibliograficzny
CMS PYTHIA 8 colour reconnection tunes based on underlying-event data / A. Tumasyan, [et al.], V. AVATI, L. GRZANKA, M. MALAWSKI, [et al.] // The European Physical Journal. C, Particles and Fields ; ISSN 1434-6044. — 2023 — vol. 83 iss. 7 art. no. 587, s. 1–48. — Bibliogr. s. 31–33, Abstr. — Publikacja dostępna online od: 2023-07-10
Autorzy (2337)
- AGHAvati Valentina
- AGHGrzanka Leszek
- AGHMalawski Maciej
- Tumasyan Armen
Dane bibliometryczne
| ID BaDAP | 151217 |
|---|---|
| Data dodania do BaDAP | 2024-01-16 |
| Tekst źródłowy | URL |
| DOI | 10.1140/epjc/s10052-023-11630-8 |
| Rok publikacji | 2023 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | European Physical Journal, C |
Abstract
New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the pythia 8 event generator, are obtained based on the default CMS pythia 8 underlying-event tune, CP5. Measurements sensitive to the underlying event performed by the CMS experiment at centre-of-mass energies s=7 and 13 TeV , and by the CDF experiment at 1.96 TeV are used to constrain the parameters of colour reconnection models and multiple-parton interactions simultaneously. The new colour reconnection tunes are compared with various measurements at 1.96, 7, 8, and 13 TeV including measurements of the underlying-event, strange-particle multiplicities, jet substructure observables, jet shapes, and colour flow in top quark pair (t t ¯) events. The new tunes are also used to estimate the uncertainty related to colour reconnection modelling in the top quark mass measurement using the decay products of t t ¯ events in the semileptonic channel at 13 TeV.