Identification techniques for highly boosted W bosons that decay into hadrons
Identification techniques for highly boosted W bosons that decay into hadrons
In searches for new physics in the energy regime of the LHC, it is becoming increasingly important to distinguish single-jet objects that originate from the merging of the decay products of W bosons produced with high transverse momenta from jets initiated by single partons. Algorithms are defined to identify such W jets for different signals of interest, using techniques that are also applicable to other decays of bosons to hadrons that result in a single jet, such as those from highly boosted Z and Higgs bosons. The efficiency for tagging W jets is measured in data collected with the CMS detector at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb−1. The performance of W tagging in data is compared with predictions from several Monte Carlo simulators.
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
2014
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
(2014)
Identification techniques for highly boosted W bosons that decay into hadrons.
Journal of High Energy Physics, 12, [017].
(doi:10.1007/JHEP12(2014)017).
Abstract
In searches for new physics in the energy regime of the LHC, it is becoming increasingly important to distinguish single-jet objects that originate from the merging of the decay products of W bosons produced with high transverse momenta from jets initiated by single partons. Algorithms are defined to identify such W jets for different signals of interest, using techniques that are also applicable to other decays of bosons to hadrons that result in a single jet, such as those from highly boosted Z and Higgs bosons. The efficiency for tagging W jets is measured in data collected with the CMS detector at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb−1. The performance of W tagging in data is compared with predictions from several Monte Carlo simulators.
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Published date: 2014
Organisations:
Physics & Astronomy
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Local EPrints ID: 410480
URI: http://eprints.soton.ac.uk/id/eprint/410480
ISSN: 1029-8479
PURE UUID: 28415a27-26a6-4f16-94a6-5cb2f1903a33
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Date deposited: 09 Jun 2017 08:59
Last modified: 12 Nov 2019 01:45
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Author:
Vardan Khachatryan
Author:
Vardan Khachatryan
Corporate Author: The CMS Collaboration
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