title: Smoking guns for on-shell new physics at the LHC.
abstract: Using Tevatron bounds we derive upper limits on the LHC Higgs boson production rate assuming that no beyond the standard model (BSM) particles are being produced near their mass shell. A violation of these limits would constitute a smoking gun for light BSM particles. Furthermore, we demonstrate how R(T), the ratio of the partially integrated Higgs transverse momentum distribution to the inclusive rate, can also be used as a probe of light BSM particles. This ratio is insensitive to heavy virtual effects and is approximately model independent. The perturbative expansion for R(T) has reduced renormalization scale dependence, due to a cancellation of Wilson coefficients. A deviation from the SM value implies that light BSM particles are being produced near their mass shell. A model with colored scalars is used to investigate the model independence of R(T).
authors.affiliation: Carnegie Mellon University, Department of Physics, Pittsburgh Pennsylvania 15213, USA.
authors.forename: Christian
authors.initials: C
authors.lastname: Arnesen
authors.forename: Ira Z
authors.initials: IZ
authors.lastname: Rothstein
authors.forename: Jure
authors.initials: J
authors.lastname: Zupan