Measurement of the mass difference between top and antitop quarks
Entity
UAM. Departamento de Física TeóricaPublisher
Springer Verlag; SISSA 2012Date
2012-06-19Citation
10.1007/JHEP06(2012)109
Journal of High Energy Physics 2012.6 (2012): 109
ISSN
1029-8479 (online); 1126-6708 (print)DOI
10.1007/JHEP06(2012)109Editor's Version
http://dx.doi.org/10.1007/JHEP06(2012)109Subjects
Hadron-hadron scattering; FísicaNote
Journal of High Energy Physics 2012.6 (2012): 109 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAM
Rights
© SISSA 2012; © Copyright CERNAbstract
A measurement of the mass difference between the top and the antitop quark (Δmt = mt - mt) is performed using events with a muon or an electron and at least four jets in the final state. The analysis is based on data collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.96±0.11 fb-1, and yields the value of Δmt = -0.44±0.46 (stat.)±0.27 (syst.) GeV. This result is consistent with equality of particle and antiparticle masses required by CPT invariance, and provides a significantly improved precision relative to existing measurements
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Google Scholar:The CMS collaboration
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Chatrchyan, S.
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Albajar Molera, Carmen
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Codispoti, G.
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Fernández Trocóniz Acha, Jorge
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