Measurement of the radius dependence of charged-particle jet suppression in Pb–Pb collisions at √sNN = 5.02 TeV

  • The ALICE collaboration at the LHC reports measurement of the inclusive production cross section of electrons from semi-leptonic decays of beauty hadrons with rapidity |y|<0.8 and transverse momentum 1<pT<10 GeV/c, in pp collisions at s√= 2.76 TeV. Electrons not originating from semi-electronic decay of beauty hadrons are suppressed using the impact parameter of the corresponding tracks. The production cross section of beauty decay electrons is compared to the result obtained with an alternative method which uses the distribution of the azimuthal angle between heavy-flavour decay electrons and charged hadrons. Perturbative QCD calculations agree with the measured cross section within the experimental and theoretical uncertainties. The integrated visible cross section, σb→e=3.47±0.40(stat)+1.12−1.33(sys)±0.07(norm)μb, was extrapolated to full phase space using Fixed Order plus Next-to-Leading Log (FONLL) predictions to obtain the total bb¯ production cross section, σbb¯=130±15.1(stat)+42.1−49.8(sys)+3.4−3.1(extr)±2.5(norm)±4.4(BR)μb.

Download full text files

Export metadata

Additional Services

Share in Twitter Search Google Scholar
Metadaten
URN:urn:nbn:de:hebis:30:3-822869
DOI:https://doi.org/10.48550/arXiv.1405.4144
ArXiv Id:http://arxiv.org/abs/1405.4144v1
Parent Title (English):arXiv
Series (Serial Number):CERN Report (CERN-EP-2023-027)
Publisher:arXiv
Document Type:Preprint
Language:English
Date of Publication (online):2023/03/01
Date of first Publication:2023/03/01
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:ALICE (Körperschaft)
Release Date:2024/02/13
Issue:1405.4144 Version 1
Edition:Version 1
Page Number:31
HeBIS-PPN:516147544
Institutes:Physik / Physik
Informatik und Mathematik / Informatik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0