Top quark production asymmetries AFBt and AFB

Edmond L. Berger, Qing Hong Cao, Chuan Ren Chen, Jiang Hao Yu, Hao Zhang

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

A large forward-backward asymmetry is seen in both the top quark rapidity distribution AFBt and in the rapidity distribution of charged leptons AFB from top quarks produced at the Tevatron. We study the kinematic and dynamic aspects of the relationship of the two observables arising from the spin correlation between the charged lepton and the top quark with different polarization states. We emphasize the value of both measurements, and we conclude that a new physics model which produces more right-handed than left-handed top quarks is favored by the present data.

Original languageEnglish
Article number072002
JournalPhysical Review Letters
Volume108
Issue number7
DOIs
Publication statusPublished - 2012 Feb 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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