@misc{10481/60071,
year = {2019},
url = {http://hdl.handle.net/10481/60071},
abstract = {This paper presents measurements of tt¯ production in association with additional b-jets in pp collisions at the LHC at a centre-of-mass energy of 13 TeV. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 36.1 fb−1. Fiducial cross-section measurements are performed in the dilepton and lepton-plus-jets tt¯ decay channels. Results are presented at particle level in the form of inclusive cross-sections of tt¯ final states with three and four b-jets as well as differential cross-sections as a function of global event properties and properties of b-jet pairs. The measured inclusive fiducial cross-sections generally exceed the tt¯bb¯ predictions from various next-to-leading-order matrix element calculations matched to a parton shower but are compatible within the total uncertainties. The experimental uncertainties are smaller than the uncertainties in the predictions. Comparisons of state-of-the-art theoretical predictions with the differential measurements are shown and good agreement with data is found for most of them.},
organization = {We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia;
BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and
FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST
and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR,
Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DRF/IRFU, France;
SRNSFG, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong
SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan;
CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT,
Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZ S, Slovenia; DST/NRF, South Africa;
MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of
Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom;
DOE and NSF, United States of America. In addition, individual groups and members
have received support from BCKDF, CANARIE, CRC and Compute Canada, Canada;
COST, ERC, ERDF, Horizon 2020, and Marie Sk lodowska-Curie Actions, European Union;
Investissements d' Avenir Labex and Idex, ANR, France; DFG and AvH Foundation, Germany;
Herakleitos, Thales and Aristeia programmes co- nanced by EU-ESF and the Greek
NSRF, Greece; BSF-NSF and GIF, Israel; CERCA Programme Generalitat de Catalunya,
Spain; The Royal Society and Leverhulme Trust, United Kingdom.},
publisher = {Springer Nature},
keywords = {Hadron-Hadron scattering (experiments)},
keywords = {Heavy quark production},
title = {Measurements of fiducial and differential cross-sections of tt¯ production with additional heavy-flavour jets in proton-proton collisions at s√ = 13 TeV with the ATLAS detector},
doi = {10.1007/JHEP04(2019)046},
author = {Aaboud, M. and Aguilar Saavedra, Juan Antonio and Atlas Collaboration},
}