Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV

A search for dark matter is conducted in events with large missing transverse momentum and a hadronically decaying, Lorentz-boosted top quark. This study is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, in data recorded by the CMS detector in 2016 at the LHC, corr...

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Main Authors:	Sirunyan, A. M., Tumasyan, A. R., Adam, Wolfgang, Ambrogi, Federico, Asilar, Ece, Md. Ali, Mohd. Adli
Format:	Article
Language:	English English
Published:	Springer Nature 2018
Subjects:	Q Science (General) QC Physics
Online Access:	http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/1/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_article.pdf http://irep.iium.edu.my/66016/2/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_scopus.pdf

id	iium-66016
recordtype	eprints
spelling	iium-660162018-08-30T04:27:11Z http://irep.iium.edu.my/66016/ Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Q Science (General) QC Physics A search for dark matter is conducted in events with large missing transverse momentum and a hadronically decaying, Lorentz-boosted top quark. This study is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, in data recorded by the CMS detector in 2016 at the LHC, corresponding to an integrated luminosity of 36 fb−1 . New substructure techniques, including the novel use of energy correlation functions, are utilized to identify the decay products of the top quark. With no significant deviations observed from predictions of the standard model, limits are placed on the production of new heavy bosons coupling to dark matter particles. For a scenario with purely vector-like or purely axial-vector-like flavor changing neutral currents, mediator masses between 0.20 and 1.75 TeV are excluded at 95% confidence level, given a sufficiently small dark matter mass. Scalar resonances decaying into a top quark and a dark matter fermion are excluded for masses below 3.4 TeV, assuming a dark matter mass of 100 GeV Springer Nature 2018-06-01 Article PeerReviewed application/pdf en http://irep.iium.edu.my/66016/1/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_article.pdf application/pdf en http://irep.iium.edu.my/66016/2/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_scopus.pdf Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Asilar, Ece and Md. Ali, Mohd. Adli (2018) Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV. Journal of High Energy Physics, 2018 (6). pp. 1-53. E-ISSN 1029-8479 https://link.springer.com/article/10.1007%2FJHEP06%282018%29027 10.1007/JHEP06(2018)027
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	Q Science (General) QC Physics
spellingShingle	Q Science (General) QC Physics Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
description	A search for dark matter is conducted in events with large missing transverse momentum and a hadronically decaying, Lorentz-boosted top quark. This study is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, in data recorded by the CMS detector in 2016 at the LHC, corresponding to an integrated luminosity of 36 fb−1 . New substructure techniques, including the novel use of energy correlation functions, are utilized to identify the decay products of the top quark. With no significant deviations observed from predictions of the standard model, limits are placed on the production of new heavy bosons coupling to dark matter particles. For a scenario with purely vector-like or purely axial-vector-like flavor changing neutral currents, mediator masses between 0.20 and 1.75 TeV are excluded at 95% confidence level, given a sufficiently small dark matter mass. Scalar resonances decaying into a top quark and a dark matter fermion are excluded for masses below 3.4 TeV, assuming a dark matter mass of 100 GeV
format	Article
author	Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli
author_facet	Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli
author_sort	Sirunyan, A. M.
title	Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
title_short	Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
title_full	Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
title_fullStr	Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
title_full_unstemmed	Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV
title_sort	search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 tev
publisher	Springer Nature
publishDate	2018
url	http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/ http://irep.iium.edu.my/66016/1/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_article.pdf http://irep.iium.edu.my/66016/2/66016_Search%20for%20dark%20matter%20in%20events%20with%20energetic_scopus.pdf
first_indexed	2023-09-18T21:33:41Z
last_indexed	2023-09-18T21:33:41Z
_version_	1777412678890815488

Search for dark matter in events with energetic, hadronically decaying top quarks and missing transverse momentum at √s=13 TeV

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