Scalars from Top-condensation Models at Hadron Colliders

TL;DR

This paper investigates the production and decay of neutral scalars in top-condensation models at hadron colliders, highlighting the flavor-changing decay mode tc as a key signature and assessing collider sensitivities.

Contribution

It identifies the dominant decay channel for scalars below the t-tbar threshold and demonstrates collider prospects for testing top-condensation models via flavor violation.

Findings

Flavor-changing decay tc is dominant below t-tbar threshold.

Upgraded Tevatron can probe significant parameter space.

LHC can strongly constrain these models through flavor violation.

Abstract

We study the production and decay of neutral scalars and pseudo-scalars at hadron colliders, in theories where the top-quark mass is the result of a $t\bar t$ condensate. We show that the dominant decay channel for masses below the $t\bar t$ threshold is the flavor changing mode $tc$. This is a consequence of the non-universal nature of the underlying interactions in all top-condensation models and provides a model-independent signature of these scenarios. We show that an upgraded Tevatron is sensitive to a sizeable region of the interesting parameter space and that the LHC will highly constrain these models through this flavor violating channel.