Searching. Please wait…
1579
37
171
29274
4420
2604
347
391
Abstract: We measure the inclusive forward–backward asymmetry of the charged-lepton pseudorapidities from top-quark pairs produced in proton–antiproton collisions and decaying to final states that contain two charged leptons (electrons or muons). The data are collected with the Collider Detector at Fermilab and correspond to an integrated luminosity of 9.1??fb-1. We measure the leptonic forward–backward asymmetry, AlFB, to be 0.072±0.060 and the leptonic pair forward–backward asymmetry, AllFB, to be 0.076±0.082. The measured values can be compared with the standard model predictions of AlFB=0.038±0.003 and AllFB=0.048±0.004, respectively. Additionally, we combine the AlFB result with a previous determination from a final state with a single lepton and hadronic jets and obtain AlFB=0.090+0.028-0.026.
Fuente: Phys. Rev. Lett. Vol. 113, Num. 4, Pag. 042001 (2014)
Publisher: American Physical Society
Publication date: 01/07/2014
No. of pages: 8
Publication type: Article
DOI: 10.1103/PhysRevLett.113.042001
ISSN: 0031-9007,1079-7114
Spanish project: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01
Publication Url: https://doi.org/10.1103/PhysRevLett.113.042001
Citations in Google Scholar
Consult in UCrea Read publication
AALTONEN, TIMO ANTERO
BRUNO CASAL LARAÑA
FRANCISCO JAVIER CUEVAS MAESTRO
GERVASIO GOMEZ GRAMUGLIO
JOSE ENRIQUE PALENCIA CORTEZON
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
ROCIO VILAR CORTABITARTE
JESUS MANUEL VIZAN GARCIA
Back