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LHC charge asymmetry as constraint on models for the Tevatron top anomaly.

Authors :
Craig, Nathaniel
Kilic, Can
Strassler, Matthew J.
Source :
Physical Review D: Particles, Fields, Gravitation & Cosmology. Aug2011, Vol. 84 Issue 3, p035012-1-035012-10. 10p.
Publication Year :
2011

Abstract

The forward-backward asymmetry Due to image rights restrictions, multiple line equation(s) cannot be graphically displayed in top quark production at the Tevatron has been observed to be anomalously large by both CDF and D0. It has been suggested that a model with a W' coupling to td and ub might explain this anomaly, and other anomalies in B mesons. Single-top-quark production in this model is large, and arguably in conflict with Tevatron measurements. However the model might still be viable if Due to image rights restrictions, multiple line equation(s) cannot be graphically displayed is somewhat smaller than its current measured central value. We show that even with smaller couplings, the model can be discovered (or strongly excluded) at the LHC using the 2010 data sets. We find that a suitable charge-asymmetry measurement is a powerful tool that can be used to constrain this and other sources of anomalous single-top production, and perhaps other new high-energy charge-asymmetric processes. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
24700010
Volume :
84
Issue :
3
Database :
Academic Search Index
Journal :
Physical Review D: Particles, Fields, Gravitation & Cosmology
Publication Type :
Periodical
Accession number :
70109066
Full Text :
https://doi.org/10.1103/PhysRevD.84.035012