Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/103242
DC Field | Value | Language |
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dc.contributor.author | Castro, N. F. | - |
dc.contributor.author | Fiolhais, M. C. N. | - |
dc.contributor.author | Gonçalo, J. R. | - |
dc.contributor.author | Onofre, A. | - |
dc.contributor.author | Veloso, F. | - |
dc.contributor.author | Wolters, H. | - |
dc.contributor.author | Atlas Collaboration | - |
dc.date.accessioned | 2022-10-25T11:53:49Z | - |
dc.date.available | 2022-10-25T11:53:49Z | - |
dc.date.issued | 2022-01 | - |
dc.identifier.uri | https://hdl.handle.net/10316/103242 | - |
dc.description.abstract | A technique is presented to measure the efficiency with which c-jets are mistagged as b-jets (mistagging efficiency) using t ¯t events, where one of theW bosons decays into an electron or muon and a neutrino and the other decays into a quark–antiquark pair. The measurement utilises the relatively large and known W → cs branching ratio, which allows ameasurement to be made in an inclusive c-jet sample. The data sample used was collected by the ATLAS detector at √ s = 13 TeV and corresponds to an integrated luminosity of 139 fb−1. Events are reconstructed using a kinematic likelihood technique which selects the mapping between jets and t ¯t decay products that yields the highest likelihood value. The distribution of the b-tagging discriminant for jets from the hadronic W decays in data is compared with that in simulation to extract the mistagging efficiency as a function of jet transverse momentum. The total uncertainties are in the range 3–17%. The measurements generally agree with those in simulation but there are some differences in the region corresponding to the most stringent b-jet tagging requirement. | pt |
dc.language.iso | eng | pt |
dc.rights | openAccess | pt |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | pt |
dc.title | Measurement of the c-jet mistagging efficiency in tt¯ events using pp collision data at √s=13 TeV collected with the ATLAS detector | pt |
dc.type | article | - |
degois.publication.firstPage | 95 | pt |
degois.publication.issue | 1 | pt |
degois.publication.title | European Physical Journal C | pt |
dc.peerreviewed | yes | pt |
degois.publication.volume | 82 | pt |
dc.date.embargo | 2022-01-01 | * |
uc.date.periodoEmbargo | 0 | pt |
item.fulltext | Com Texto completo | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.openairetype | article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.researchunit | LIP – Laboratory of Instrumentation and Experimental Particle Physics | - |
crisitem.author.orcid | 0000-0002-3826-3442 | - |
crisitem.author.orcid | 0000-0002-9588-1773 | - |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
Files in This Item:
File | Description | Size | Format | |
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Measurement-of-the-cjet-mistagging-efficiency-in-tt-events-using-pp-collision-data-at-s13-TeV-collected-with-the-ATLAS-detectorEuropean-Physical-Journal-C.pdf | 4.72 MB | Adobe PDF | View/Open |
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