We review the landscape of QCD axion models. Theoretical constructions that extend the
window for the axion mass and couplings beyond conventional regions are highlighted and …

There is almost universal agreement among astronomers that most of the mass in the
Universe and most of the mass in the Galactic halo is dark. Many lines of reasoning suggest …

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In this paper we survey methods by which supersymmetry (or other new physics) could be
observed in experiments at present and future accelerators. We review some of the …

The Higgs Hunter's Guide is a definitive and comprehensive guide to the physics of Higgs
bosons. In particular, it discusses the extended Higgs sectors required by those recent …

A bstract Three searches are presented for signatures of physics beyond the standard model
(SM) in ττ final states in proton-proton collisions at the LHC, using a data sample collected …

Eichten et al. summarize the motivation for exploring the 1-TeV (= 10 12 eV) energy scale in
elementary particle interactions and explore the capabilities of proton-(anti) proton colliders …

This document proposes a collection of simplified models relevant to the design of new-
physics searches at the Large Hadron Collider (LHC) and the characterization of their …

In this report we survey the low-energy phenomenological implications of superstring-
inspired E 6 models. The motivation for such models is reviewed. New particles including …

The idea of dynamical gauge bosons of hidden local symmetries in nonlinear sigma models
is reviewed. Starting with a fresh look at the Goldstone theorem and low energy theorems …