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Searches for new physics using the t¯t invariant mass distribution in pp collisions at √s=8  TeV

Searches for new physics using the t¯t invariant mass distribution in pp collisions at √s=8  TeV
Searches for new physics using the t¯t invariant mass distribution in pp collisions at √s=8  TeV
Searches for anomalous top quark-antiquark production are presented, based on pp collisions at √s=8  TeV. The data, corresponding to an integrated luminosity of 19.7  fb−1, were collected with the CMS detector at the LHC. The observed t¯t invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.
1079-7114
Chatrchyan, Serguei
23ce6af5-bdd2-435c-92c8-9b1b71a261ee
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
The CMS Collaboration
Chatrchyan, Serguei
23ce6af5-bdd2-435c-92c8-9b1b71a261ee
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

The CMS Collaboration (2013) Searches for new physics using the t¯t invariant mass distribution in pp collisions at √s=8  TeV. Physical Review Letters, 111 (21), [211804]. (doi:10.1103/PhysRevLett.111.211804).

Record type: Article

Abstract

Searches for anomalous top quark-antiquark production are presented, based on pp collisions at √s=8  TeV. The data, corresponding to an integrated luminosity of 19.7  fb−1, were collected with the CMS detector at the LHC. The observed t¯t invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.

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More information

Published date: 2013
Additional Information: [Erratum: Phys. Rev. Lett.112,no.11,119903(2014)]
Learn more about Physics & Astronomy research

Identifiers

Local EPrints ID: 412371
URI: http://eprints.soton.ac.uk/id/eprint/412371
DOI: doi:10.1103/PhysRevLett.111.211804
ISSN: 1079-7114
PURE UUID: 6655d224-a16d-423c-9d31-db668fdcfb98
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 17 Jul 2017 13:33
Last modified: 16 Mar 2024 03:54

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Contributors

Author: Serguei Chatrchyan
Author: Alexander Belyaev ORCID iD
Corporate Author: The CMS Collaboration

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