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Identification techniques for highly boosted W bosons that decay into hadrons

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.
1029-8479
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Khachatryan, Vardan
375bcfe5-df1a-41ad-9a90-553e557ef6d6
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
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).

Record type: Article

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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More information

Published date: 2014
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 410480
URI: http://eprints.soton.ac.uk/id/eprint/410480
ISSN: 1029-8479
PURE UUID: 28415a27-26a6-4f16-94a6-5cb2f1903a33
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 09 Jun 2017 08:59
Last modified: 10 Nov 2021 03:19

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Contributors

Author: Vardan Khachatryan
Author: Vardan Khachatryan
Corporate Author: The CMS Collaboration

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