Abstract The Forward Physics Facility (FPF) is a proposal to create a cavern with the space
and infrastructure to support a suite of far-forward experiments at the Large Hadron Collider …

High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large
number of particles along the beam collision axis, outside of the acceptance of existing LHC …

We introduce a numerical package FOR ward E xperiment SE nsitivity E stimator, or
FORESEE, that can be used to simulate the expected sensitivity reach of experiments …

A bstract We describe a proposal to add a set of very forward detectors to the CMS
experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the …

Abstract The Search for Hidden Particles (SHiP) Collaboration has proposed a general-
purpose experimental facility operating in beam-dump mode at the CERN SPS accelerator …

We review the most important models of light dark matter and discuss the NA64 experiment
aimed at searching for hypothetical particles, including dark matter, in the mass range⩽ O …

The Belle II experiment recently observed the decay B+→ K+ ν ν for the first time, with a
measured value for the branching ratio of (2.3±0.7)× 10-5. This result exhibits a∼ 3 σ …

Dark matter (DM) could be a pseudo-Dirac thermal relic with a small mass splitting that is
coupled off diagonally to a kinetically mixed dark photon. This model, particularly in the sub …

A bstract Proton beam dump experiments are among the most promising strategies to
search for light and feebly interacting states such as axion-like particles (ALPs). The …

A bstract We consider the minimal see-saw extension of the Standard Model with two right-
handed singlet fermions N 1, 2 with mass at the GeV scale, augmented by an effective …