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Abstract:

A measurement of the mass difference between top and anti-top quarks is presented. In a 4.7 fb −1 data sample of proton–proton collisions at s=7 TeV recorded with the ATLAS detector at the LHC, events consistent with tt¯ production and decay into a single charged lepton final state are reconstructed. For each event, the mass difference between the top and anti-top quark candidate is calculated. A two b-tag requirement is used in order to reduce the background contribution. A maximum likelihood fit to these per-event mass differences yields Δm≡m t −m t¯ =0.67±0.61(stat)±0.41(syst) GeV, consistent with CPT invariance. © 2013 The Authors

Registro:

Documento: Artículo
Título:Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 2936 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2936 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2014
Volumen:728
Página de inicio:363
Página de fin:379
DOI: http://dx.doi.org/10.1016/j.physletb.2013.12.010
Título revista:Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Título revista abreviado:Phys Lett Sect B Nucl Elem Part High-Energy Phys
ISSN:03702693
CODEN:PYLBA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03702693_v728_n_p363_Aad

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Citas:

---------- APA ----------
(2014) . Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 728, 363-379.
http://dx.doi.org/10.1016/j.physletb.2013.12.010
---------- CHICAGO ----------
Aad, G. "Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 728 (2014) : 363-379.
http://dx.doi.org/10.1016/j.physletb.2013.12.010
---------- MLA ----------
Aad, G. "Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector" . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 728, 2014, pp. 363-379.
http://dx.doi.org/10.1016/j.physletb.2013.12.010
---------- VANCOUVER ----------
Aad, G. Measurement of the mass difference between top and anti-top quarks in pp collisions at √s=7 TeV using the ATLAS detector. Phys Lett Sect B Nucl Elem Part High-Energy Phys. 2014;728:363-379.
http://dx.doi.org/10.1016/j.physletb.2013.12.010