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Search for the production of single vector-like and excited quarks in the $\mathit{Wt}$ final state in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
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Search for the production of single vector-like and excited quarks in the $\mathit{Wt}$ final state in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
Bibliographic description
| title: | Search for the production of single vector-like and excited quarks in the $\mathit{Wt}$ final state in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector |
| author: | Pałka Marek  , Richter-Wąs Elżbieta
|
| contributor: | Współautorami artykułu są członkowie ATLAS Collaboration w liczbie 2868 |
| institution: | ATLAS Collaboration |
| journal title: | The Journal of High Energy Physics |
| volume: | 2016 |
| issue: | 2 |
| date of publication : | 2016 |
| article ID: | 110 |
| ISSN: |
1126-6708 |
| eISSN: |
1029-8479 |
| DOI: | |
| language: | English |
| journal language: | English |
| abstract in English: | A search for vector-like quarks and excited quarks in events containing a top quark and a W boson in the final state is reported here. The search is based on 20.3 fb^{−1} of proton-proton collision data taken at the LHC at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector. Events with one or two leptons, and one, two or three jets are selected with the additional requirement that at least one jet contains a b-quark. Single-lepton events are also required to contain at least one large-radius jet from the hadronic decay of a high-p T W boson or a top quark. No significant excess over the expected background is observed and upper limits on the cross-section times branching ratio for different vector-like quark and excited-quark model masses are derived. For the excited-quark production and decay to Wt with unit couplings, quarks with masses below 1500 GeV are excluded and coupling-dependent limits are set. |
| keywords in English: | exotics, hadron-hadron scattering |
| 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
