Measurements of spin correlation in top-quark production at the Tevatron

Grohsjean, A. (2012) Measurements of spin correlation in top-quark production at the Tevatron. Il nuovo cimento C, 35 (3). pp. 119-123. ISSN 1826-9885

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Since the discovery of the top quark in 1995 at the Fermilab Tevatron collider, top-quark properties have been measured with ever higher precision. The increase in data has provided the opportunity to probe many new aspects of the top-quark sector, one of these being the study of spin correlation in t¯t events. The first measurements performed by the CDF and DØ collaborations were based on templates of angular distributions. To achieve a significant improvement in sensitivity, the DØ collaboration pioneered a new approach based on matrix-element information, providing first evidence for non-vanishing spin correlation in t¯t events. A review of these measurements is presented below.

Item Type: Article
Uncontrolled Keywords: Top quarks ; Experimental tests ; Inclusive production with identified leptons, photons, or other nonhadronic particles
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 19 Apr 2020 15:32
Last Modified: 19 Apr 2020 15:32

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