Skip to content
DraconiticResearch
Search Sources API
194,161 studies31 sourcesUpdated 22 min ago
PreprintCC BY 4.0arXiv

Inelastic Signatures of Electroweak Dark Matter

  • Juri Smirnov1
  • Spencer Griffith2,3
  • John Francis Beacom
  1. 1Department of Mathematical Sciences , University of Liverpool , Liverpool , L69 7ZL , United Kingdom
  2. 2Center for Cosmology and AstroParticle Physics (CCAPP) , Ohio State University , Columbus , OH 43210
  3. 3Department of Physics , Ohio State University , Columbus , OH 43210
Open at sourcePDFDOICite

Abstract

Minimal dark matter extended to include a Majorana and a Dirac multiplet coupled through the Higgs --- the HC-MDM model --- provides a compelling and predictive framework. We show that in certain limits of this model, the mass splitting and the inelastic interaction are representation-independent, while the thermal-relic masses are representation-dependent. We then show that this model can account for the high-energy recoil event recently reported by LUX-ZEPLIN (LZ) while also respecting thermal-relic, elastic-scattering, and solar-capture constraints. Generic inelastic DM models do not connect all these tests and generic Higgsino models do not survive them.

Related

  1. Direct detection constraints on EFT operators for inelastic dark matter
    X. G. Wang, A. W. Thomas
    arXivPreprintarXiv licenceFull textCosmologyHigh-energy & particle physicsarXiv
  2. Solar Neutrino Constraints on Inelastic Dark Matter Scattering in Light of Recent LUX-ZEPLIN Observations
    Thong T. Q. Nguyen, Tim Linden, Dan Hooper
    arXivPreprintCC BY 4.0Full text33 citedHigh-energy astrophysicsSolar & stellar physicsarXivOpenAlex
  3. Inelastic Dark Photon Dark Matter for the LUX-ZEPLIN High-Recoil Event and the Galactic Halo Gamma-Ray Excess
    Kimiko Yamashita
    arXivPreprintCC BY 4.0Full text67 citedHigh-energy astrophysicsHigh-energy & particle physicsarXivOpenAlex
  4. Resurrecting Electroweak Dark Matter via Type-II Seesaw in light of recent LZ Event
    Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu +1
    arXivPreprintCC BY 4.0Full textCosmologyHigh-energy & particle physicsarXiv
  5. Core-collapse universality for inelastic self-interacting dark matter halos
    Evan Batteas, Alexander Brisebois, Maheen Hemani +6
    arXivPreprintarXiv licenceFull textCosmologyHigh-energy & particle physicsarXiv

Cite

BibTeXRIS
BibTeX
@misc{smirnov2026inelastic,
  title = {{Inelastic Signatures of Electroweak Dark Matter}},
  author = {Juri Smirnov and Spencer Griffith and John Francis Beacom},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.04144},
  eprint = {2609.04144},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.04144},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Inelastic Signatures of Electroweak Dark Matter
AU  - Juri Smirnov
AU  - Spencer Griffith
AU  - John Francis Beacom
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2609.04144
UR  - https://arxiv.org/abs/2609.04144
AB  - Minimal dark matter extended to include a Majorana and a Dirac multiplet coupled through the Higgs --- the HC-MDM model --- provides a compelling and predictive framework. We show that in certain limits of this model, the mass splitting and the inelastic interaction are representation-independent, while the thermal-relic masses are representation-dependent. We then show that this model can account for the high-energy recoil event recently reported by LUX-ZEPLIN (LZ) while also respecting thermal-relic, elastic-scattering, and solar-capture constraints. Generic inelastic DM models do not connect all these tests and generic Higgsino models do not survive them.
SN  - 2331-8422
ER  -