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Search for resonances decaying into top-quark pairs using fully hadronic decays in $\mathit{pp}$ collisions with ATLAS at $\sqrt{s}=7$ TeV
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Search for resonances decaying into top-quark pairs using fully hadronic decays in $\mathit{pp}$ collisions with ATLAS at $\sqrt{s}=7$ TeV
Bibliographic description
| title: | Search for resonances decaying into top-quark pairs using fully hadronic decays in $\mathit{pp}$ collisions with ATLAS at $\sqrt{s}=7$ TeV |
| author: | Richter-Wąs Elżbieta 
|
| contributor: | Współautorami artykułu są członkowie ATLAS Collaboration w liczbie 2909 |
| institution: | ATLAS Collaboration |
| journal title: | The Journal of High Energy Physics |
| volume: | 2013 |
| issue: | 1 |
| date of publication : | 2013 |
| article ID: | 116 |
| ISSN: |
1126-6708 |
| eISSN: |
1029-8479 |
| DOI: | |
| language: | English |
| journal language: | English |
| abstract in English: | A search for resonances produced in 7 TeV proton-proton collisions and decaying into top-quark pairs is described. In this Letter events where the top-quark decay produces two massive jets with large transverse momenta recorded with the ATLAS detector at the Large Hadron Collider are considered. Two techniques that rely on jet substructure are used to separate top-quark jets from those arising from light quarks and gluons. In addition, each massive jet is required to have evidence of an associated bottom-quark decay. The data are consistent with the Standard Model, and limits can be set on the production cross section times branching fraction of a Z′ boson and a Kaluza-Klein gluon resonance. These limits exclude, at the 95% credibility level, Z′ bosons with masses 0.70-1.00 TeV as well as 1.28-1.32 TeV and Kaluza-Klein gluons with masses 0.70-1.62 TeV. |
| keywords in English: | hadron-hadron scattering |
| number of pulisher's sheets: | 3,5 |
| affiliation: | Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego |
| type: | journal article |
| subtype: | academic paper |
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Except where otherwise noted, this item's license is described as Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa
Projekt „Repozytorium otwartego dostępu do dorobku naukowego i dydaktycznego UJ” współfinansowany w ramach poddziałania 2.3.1 „Cyfrowe udostępnianie zasobów nauki” Programu Operacyjnego Polska Cyfrowa z Europejskiego Funduszu Rozwoju Regionalnego i budżetu państwa na podstawie umowy o dofinansowanie nr POPC.02.03.01-00-0030/17-00
