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dc.contributor.author
CMS Collaboration
dc.contributor.author
Sirunyan, Albert M.
dc.contributor.author
Backhaus, Malte
dc.contributor.author
Bäni, Lukas
dc.contributor.author
Berger, Pirmin
dc.contributor.author
Bianchini, Lorenzo
dc.contributor.author
Casal, Bruno
dc.contributor.author
Dissertori, Günther
dc.contributor.author
Dittmar, Michael
dc.contributor.author
Donegà, Mauro
dc.contributor.author
Dorfer, Christian
dc.contributor.author
Grab, Christoph
dc.contributor.author
Hits, Dmitry
dc.contributor.author
Hoss, Jan
dc.contributor.author
Kasieczka, Gregor
dc.contributor.author
Klijnsma, Thomas
dc.contributor.author
Lustermann, Werner
dc.contributor.author
Mangano, Boris
dc.contributor.author
Marionneau, Matthieu
dc.contributor.author
Meinhard, Maren T.
dc.contributor.author
Meister, Daniel
dc.contributor.author
Musella, Pasquale
dc.contributor.author
Nessi-Tedaldi, Francesca
dc.contributor.author
Pandolfi, Francesco
dc.contributor.author
Pata, Joosep
dc.contributor.author
Pauss, Felicitas
dc.contributor.author
Perrin, Gaël
dc.contributor.author
Perrozzi, Luca
dc.contributor.author
Quittnat, Milena
dc.contributor.author
Reichmann, Michael
dc.contributor.author
Sanz Becerra, Diego A.
dc.contributor.author
Schönenberger, Myriam
dc.contributor.author
Shchutska, Lesya
dc.contributor.author
Tavolaro, Vittorio R.
dc.contributor.author
Theofilatos, Konstantinos
dc.contributor.author
Vesterbacka Olsson, Minna L.
dc.contributor.author
Wallny, Rainer
dc.contributor.author
Zhu, De-Hua
dc.contributor.author
Zhu, De Hua
dc.date.accessioned
2018-05-30T11:16:04Z
dc.date.available
2018-05-26T04:50:17Z
dc.date.available
2018-05-30T11:16:04Z
dc.date.issued
2018-05-08
dc.identifier.issn
1748-0221
dc.identifier.other
10.1088/1748-0221/13/05/P05011
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/266083
dc.identifier.doi
10.3929/ethz-b-000266083
dc.description.abstract
Many measurements and searches for physics beyond the standard model at the LHC rely on the efficient identification of heavy-flavour jets, i.e. jets originating from bottom or charm quarks. In this paper, the discriminating variables and the algorithms used for heavy-flavour jet identification during the first years of operation of the CMS experiment in proton-proton collisions at a centre-of-mass energy of 13 TeV, are presented. Heavy-flavour jet identification algorithms have been improved compared to those used previously at centre-of-mass energies of 7 and 8 TeV. For jets with transverse momenta in the range expected in simulated bar t events, these new developments result in an efficiency of 68% for the correct identification of a b jet for a probability of 1% of misidentifying a light-flavour jet. The improvement in relative efficiency at this misidentification probability is about 15%, compared to previous CMS algorithms. In addition, for the first time algorithms have been developed to identify jets containing two b hadrons in Lorentz-boosted event topologies, as well as to tag c jets. The large data sample recorded in 2016 at a centre-of-mass energy of 13 TeV has also allowed the development of new methods to measure the efficiency and misidentification probability of heavy-flavour jet identification algorithms. The b jet identification efficiency is measured with a precision of a few per cent at moderate jet transverse momenta (between 30 and 300 GeV) and about 5% at the highest jet transverse momenta (between 500 and 1000 GeV).
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Institute of Physics
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.subject
Particle identification methods
en_US
dc.subject
Pattern recognition, cluster finding, calibration and fitting methods
en_US
dc.subject
Performance of High Energy Physics Detectors
en_US
dc.title
Identification of heavy-flavour jets with the CMS detector in pp collisions at 13 TeV
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
ethz.journal.title
Journal of Instrumentation
ethz.journal.volume
13
en_US
ethz.pages.start
P05011
en_US
ethz.size
117 p.
en_US
ethz.version.deposit
publishedVersion
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ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Bristol
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::09631 - Shchutska, Lesya (ehemalig) / Shchutska, Lesya (former)
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::09631 - Shchutska, Lesya (ehemalig) / Shchutska, Lesya (former)
ethz.date.deposited
2018-05-26T04:50:44Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2018-05-30T11:16:16Z
ethz.rosetta.lastUpdated
2019-02-03T01:42:19Z
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true
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true
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