Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dynamical Origin of the Correlation between the Asymmetries $A_{FB}^t$
  and $A_{FB}^{\ell}$   A larger than expected forward-backward asymmetry in rapidity is observed in
top quark pairs produced in proton-antiproton collisions at the Tevatron. The
asymmetry is seen in both the top quark distribution $A_{FB}^t$ and in the
distribution of charged leptons $A_{FB}^\ell$ from top quark decay. In this
paper, we study the kinematic and dynamic aspects of the tight relationship of
the two observables arising from the spin correlation between the charged
lepton and the top quark with different polarization states. We also consider
two benchmark new physics models, an axigluon model and a flavor-changing
$W^\prime$ model. These models could explain the values of both $A_{FB}^t$ and
$A_{FB}^\ell$. We emphasize the value of both measurements, and we conclude
that a model which produces more right-handed than left-handed top quarks is
favored by the present data.

23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
3
The categories of this paper are: physics
6
The categories of this paper are: astro-ph
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
15
The categories of this paper are: nucl-ex
21
The categories of this paper are: adap-org
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph