Constraining Unparticles from Top Physics at TeVatron
Mamta Dahiya, Sukanta Dutta, Rashidul Islam

TL;DR
This paper investigates how unparticle physics could explain anomalies in top quark pair production at TeVatron, analyzing flavor conserving and violating channels, and constraining unparticle parameters with experimental data.
Contribution
It provides a comprehensive analysis of unparticle effects on top physics observables at TeVatron, including new constraints on flavor violating couplings and predictions for optimal model parameters.
Findings
Large parameter space consistent with TeVatron data
Top decay width constrains flavor violating couplings more than same sign top production
Identifies best-fit unparticle parameters for TeVatron data
Abstract
We study and analyze the recent observations of the top pair production at TeVatron through flavor conserving and flavor violating channels vector and tensor unparticles. The unparticle sector is considered with the possibility of being a color singlet or octet. The modified unparticle propagator is used to investigate the contribution of these unparticles to the observed (forward backward asymmetry in top pair production) and the spin correlation at TeVatron. We have also studied the impact of the flavor violating couplings of unparticles to the third generation quarks on (a) pair production of same sign tops/antitops at TeVatron and (b) the partial top decay width for . We find that a large region of parameter space is consistent with the…
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