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A search for high-mass resonances decaying to tau(+)tau(-) in pp collisions at root s=7 TeV with the ATLAS detector
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). (Elementarpartikelfysik)
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. (Systemfysik)
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). (Elementarpartikelfysik)
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2013 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 719, no 4-5, 242-260 p.Article in journal (Refereed) Published
Abstract [en]

This Letter presents a search for high-mass resonances decaying into tau(+)tau(-) final states using proton-proton collisions at root s = 7 TeV produced by the Large Hadron Collider. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.6 fb(-1). No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z' resonances decaying into tau(+)tau(-) pairs as a function of the resonance mass. As a result, Z' bosons of the Sequential Standard Model with masses less than 1.40 TeV are excluded at 95% credibility.

Place, publisher, year, edition, pages
2013. Vol. 719, no 4-5, 242-260 p.
Keyword [en]
Exotics, Z ', Ditau, Resonance, Search
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-89527DOI: 10.1016/j.physletb.2013.01.040ISI: 000315316900005OAI: oai:DiVA.org:su-89527DiVA: diva2:619444
Funder
Swedish Research CouncilKnut and Alice Wallenberg Foundation
Note

AuthorCount:2911;

Available from: 2013-05-03 Created: 2013-04-29 Last updated: 2017-12-06Bibliographically approved

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Åsman, BarbroBendtz, KatarinaBohm, ChristianClément, ChristopheEriksson, DanielGellerstedt, KarlHellman, StenHolmgren, Sven-OlofJon-And, KerstinKhandanyan, HovhannesKim, HyeonKlimek, PawelLundberg, JohanLundberg, OlofMilstead, David A.Moa, TorbjörnOhm, Christian C.Papadelis, ArasSellden, BjörnSilverstein, Samuel B.Sjölin, JörgenStrandberg, SaraTylmad, MajaYang, Zhaoyu
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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Physics Letters B
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