CTA and SWGO can discover Higgsino dark matter annihilation

NL Rodd, BR Safdi, WL Xu - Physical Review D, 2024 - APS
Thermal Higgsino dark matter (DM), with a mass near 1.1 TeV, is one of the most well-
motivated and untested DM candidates. Leveraging recent hydrodynamic cosmological …

Probing Higgs-muon interactions at a multi-TeV muon collider

E Celada, T Han, W Kilian, N Kreher, Y Ma… - Journal of High Energy …, 2024 - Springer
A bstract We study the capabilities of a muon collider, at 3 and 10 TeV center-of-mass
energy, of probing the interactions of the Higgs boson with the muon. We consider all the …

Probing the CP structure of the top quark Yukawa at the future muon collider

ME Cassidy, Z Dong, K Kong, IM Lewis… - Journal of High Energy …, 2024 - Springer
A bstract We study the top-Higgs coupling with a CP violating phase ξ at a future multi-TeV
muon collider. We focus on processes that are directly sensitive to the top quark Yukawa …

Lepton-flavor-violating ALP signals with TeV-scale muon beams

B Batell, H Davoudiasl, R Marcarelli, ET Neil… - Physical Review D, 2024 - APS
We explore the feasibility of using TeV-energy muons to probe lepton-flavor-violating (LFV)
processes mediated by an axionlike particle (ALP) a with mass O (10 GeV). We focus on μ τ …

Composite resonances at a 10 TeV muon collider

D Liu, LT Wang, KP Xie - Journal of High Energy Physics, 2024 - Springer
A bstract We investigate the reach for resonances of the composite Higgs models at a 10
TeV μ+ μ− collider with up to 10 ab− 1 luminosity. The strong dynamics sector is modeled by …

The new physics case for beam-dump experiments with accelerated muon beams

C Cesarotti, R Gambhir - Journal of High Energy Physics, 2024 - Springer
A bstract As the field examines a future muon collider as a possible successor to the LHC,
we must consider how to fully utilize not only the high-energy particle collisions, but also any …

Multi-Higgs boson signals of a modified muon Yukawa coupling at a muon collider

R Dermisek, K Hermanek, T Lee, N McGinnis, S Yoon - Physical Review D, 2024 - APS
We study di-Higgs and tri-Higgs boson productions at a muon collider as functions of the
modification of the muon Yukawa coupling resulting from new physics parametrized by the …

From optimal observables to machine learning: an effective-field-theory analysis of e+ e−→ W+ W− at future lepton colliders

S Chai, J Gu, L Li - Journal of High Energy Physics, 2024 - Springer
A bstract We apply machine-learning techniques to the effective-field-theory analysis of the
e+ e−→ W+ W− processes at future lepton colliders, and demonstrate their advantages in …

Fermion masses, neutrino mixing and Higgs-mediated flavor violation in 3HDM with S3 permutation symmetry

KS Babu, Y Wu, S Xu - Journal of High Energy Physics, 2024 - Springer
A bstract The Yukawa and scalar sectors of a general S 3-symmetric three-Higgs doublet
model (3HDM) are investigated. The Yukawa interactions are constructed in an S 3-invariant …

Authentic Majorana versus singlet Dirac neutrino contributions to transitions

JL Gutiérrez Santiago, D Portillo-Sánchez… - Physical Review D, 2024 - APS
We revisited the computation of the cross section for the μ+ μ+→ ℓ+ ℓ+(ℓ+= τ+, e+)
transitions in the presence of new heavy Majorana neutrinos. We focus on scenarios where …