A No-Lose Theorem for Higgs Searches at a Future Linear Collider

Abstract

Assuming perturbativity up to a high energy scale $\sim 10^{16}$ GeV, we demonstrate that a future $e^{+}{e}^{-}$ linear collider operating at $\sqrt{s}=$ 500 GeV with $\int \mathcal{L}=$ 500 fb${}^{-1}$ per year (such as the recently proposed TESLA facility) will detect a Higgs boson signal regardless of the complexity of the Higgs sector and of how the Higgs bosons decay.

Comments: 4 pages, LaTeX