PGB pair production at LHC and ILC as a probe of the topcolor-assisted technicolor models

Details PGB pair production at LHC and ILC as a probe of the topcolor-assisted technicolor models PGB pair production at LHC and ILC as a probe of the topcolor-assisted technicolor models

2011-05-13

arxiv.org/abs/1105.2607v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 16 figures. slight changes in the text; notations for curves changed; references added

Scientific paper

The topcolor-assisted technicolor (TC2) model predicts some light pseudo goldstone bosons (PGBs), which may be accessible at the LHC or ILC. In this work we study the pair productions of the charged or neutral PGBs at the LHC and ILC. For the productions at the LHC we consider the processes proceeding through gluon-gluon fusion and quark-antiquark annihilation, while for the productions at the ILC we consider both the electron-positron collision and the photon-photon collision. We find that in a large part of parameter space the production cross sections at both colliders can be quite large compared with the low standard model backgrounds. Therefore, in future experiments these productions may be detectable and allow for probing TC2 model.

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