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Abstract:

This Letter presents a search for pair production of heavy down-type quarks decaying via b ′ →Wt in the lepton+jets channel, as b ′ b ̄′ →W - tW + t̄→bb̄W + W - W + W - →l ± νbb̄qq̄qq̄qq̄. In addition to requiring exactly one lepton, large missing transverse momentum, and at least six jets, the invariant mass of nearby jet pairs is used to identify high transverse momentum W bosons. In data corresponding to an integrated luminosity of 1.04fb - 1 from pp collisions at √s=7TeV recorded with the ATLAS detector, a heavy down-type quark with mass less than 480GeV can be excluded at the 95% confidence level. © 2012 CERN. Published by the American Physical Society.

Registro:

Documento: Artículo
Título:Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons
Autor:Aad, G. et al.
Este artículo contiene 3040 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 3040 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:ATLAS detectors; Confidence levels; Fourth generation; Integrated luminosity; Invariant mass; Pair production; Transverse momenta; Bosons; Tellurium compounds; High energy physics
Año:2012
Volumen:109
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevLett.109.032001
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v109_n3_p_Aad

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Citas:

---------- APA ----------
(2012) . Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons. Physical Review Letters, 109(3).
http://dx.doi.org/10.1103/PhysRevLett.109.032001
---------- CHICAGO ----------
Aad, G. "Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons" . Physical Review Letters 109, no. 3 (2012).
http://dx.doi.org/10.1103/PhysRevLett.109.032001
---------- MLA ----------
Aad, G. "Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons" . Physical Review Letters, vol. 109, no. 3, 2012.
http://dx.doi.org/10.1103/PhysRevLett.109.032001
---------- VANCOUVER ----------
Aad, G. Search for down-type fourth generation quarks with the ATLAS detector in events with one lepton and hadronically decaying W bosons. Phys Rev Lett. 2012;109(3).
http://dx.doi.org/10.1103/PhysRevLett.109.032001