About: Identification of b-quark jets with the CMS experiment

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/1748-0221/8/04/P04013
Description	At the Large Hadron Collider, the identification of jets originating from b quarks is important for searches for new physics and for measurements of standard model processes. A variety of algorithms has been developed by CMS to select b-quark jets based on variables such as the impact parameters of charged-particle tracks, the properties of reconstructed decay vertices, and the presence or absence of a lepton, or combinations thereof. The performance of these algorithms has been measured using data from proton-proton collisions at the LHC and compared with expectations based on simulation. The data used in this study were recorded in 2011 at root s = 7TeV for a total integrated luminosity of 5.0 fb(-1). The efficiency for tagging b-quark jets has been measured in events from multijet and t-quark pair production. CMS has achieved a b-jet tagging efficiency of 85% for a light-parton misidentification probability of 10% in multijet events. For analyses requiring higher purity, a misidentification probability of only 1.5% has been achieved, for a 70% b-jet tagging efficiency. At the Large Hadron Collider, the identification of jets originating from b quarks is important for searches for new physics and for measurements of standard model processes. A variety of algorithms has been developed by CMS to select b-quark jets based on variables such as the impact parameters of charged-particle tracks, the properties of reconstructed decay vertices, and the presence or absence of a lepton, or combinations thereof. The performance of these algorithms has been measured using data from proton-proton collisions at the LHC and compared with expectations based on simulation. The data used in this study were recorded in 2011 at root s = 7TeV for a total integrated luminosity of 5.0 fb(-1). The efficiency for tagging b-quark jets has been measured in events from multijet and t-quark pair production. CMS has achieved a b-jet tagging efficiency of 85% for a light-parton misidentification probability of 10% in multijet events. For analyses requiring higher purity, a misidentification probability of only 1.5% has been achieved, for a 70% b-jet tagging efficiency. (en)
Title	Identification of b-quark jets with the CMS experiment Identification of b-quark jets with the CMS experiment (en)
skos:prefLabel	Identification of b-quark jets with the CMS experiment Identification of b-quark jets with the CMS experiment (en)
skos:notation	RIV/00216208:11320/13:10139350!RIV14-MSM-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LA08015)
http://linked.open...iv/cisloPeriodika	2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Finger, Michael Finger, Miroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	78662
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/13:10139350
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CMS; Performance of High Energy Physics Detectors; calibration and fitting methods; cluster finding; Pattern recognition; Large detector-systems performance (en)
http://linked.open.../riv/klicoveSlovo	Pattern recognition Large detector-systems performance Performance of High Energy Physics Detectors CMS calibration and fitting methods cluster finding
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[16541285918F]
http://linked.open...i/riv/nazevZdroje	Journal of Instrumentation
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2202 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Adam, W. Chatrchyan, S. Finger, Michael Finger, Miroslav Khachatryan, V. Bergauer, T. Dragicevic, M. Eroe, J. Fabjan, C. Friedl, M. Fruehwirth, R. Hrubec, J. Krammer, M. Sirunyan, A. M. Tumasyan, A. Aguilo, E.
http://linked.open...ain/vavai/riv/wos	000317462400020
issn	1748-0221
number of pages	66 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1748-0221/8/04/P04013
http://localhost/t...ganizacniJednotka	11320

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