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PreprintCC BY 4.0arXiv

Solar Neutrino Constraints on Inelastic Dark Matter Scattering in Light of Recent LUX-ZEPLIN Observations

  • Thong T. Q. Nguyen1
  • Tim Linden1
  • Dan Hooper2
  1. 1Stockholm University and The Oskar Klein Centre for Cosmoparticle Physics , Alba Nova , 10691 Stockholm , Sweden
  2. 2Department of Physics , Wisconsin IceCube Particle Astrophysics Center , University of Wisconsin , Madison , WI 53706 , USA
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Abstract

The LUX-ZEPLIN (LZ) Collaboration recently reported the detection of a single nuclear recoil candidate event with a very high recoil energy. The lack of any corresponding low-energy events motivates models in which dark matter scattering with nuclei has a nontrivial momentum dependence or proceeds inelastically, suppressing the rate of low-energy recoils. In this study, we consider the constraints on inelastic dark matter, including scenarios favored by the LZ event, from the absence of an excess of high-energy neutrinos from the Sun in IceCube observations. We confirm the results of Pospelov & Ramani and show, more generally, that the lack of an excess of high-energy neutrinos from the Sun strongly constrains the parameter space in this class of models.

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Cite

BibTeXRIS
BibTeX
@misc{nguyen2026solar,
  title = {{Solar Neutrino Constraints on Inelastic Dark Matter Scattering in Light of Recent LUX-ZEPLIN Observations}},
  author = {Thong T. Q. Nguyen and Tim Linden and Dan Hooper},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.11833},
  eprint = {2609.11833},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.11833},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Solar Neutrino Constraints on Inelastic Dark Matter Scattering in Light of Recent LUX-ZEPLIN Observations
AU  - Thong T. Q. Nguyen
AU  - Tim Linden
AU  - Dan Hooper
PY  - 2026
DA  - 2026/09/10
PB  - arXiv
DO  - 10.48550/arxiv.2609.11833
UR  - https://arxiv.org/abs/2609.11833
AB  - The LUX-ZEPLIN (LZ) Collaboration recently reported the detection of a single nuclear recoil candidate event with a very high recoil energy. The lack of any corresponding low-energy events motivates models in which dark matter scattering with nuclei has a nontrivial momentum dependence or proceeds inelastically, suppressing the rate of low-energy recoils. In this study, we consider the constraints on inelastic dark matter, including scenarios favored by the LZ event, from the absence of an excess of high-energy neutrinos from the Sun in IceCube observations. We confirm the results of Pospelov & Ramani and show, more generally, that the lack of an excess of high-energy neutrinos from the Sun strongly constrains the parameter space in this class of models.
SN  - 2331-8422
ER  -