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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Sgoldstino phenomenology at SND@HL-LHC

  • D. Kalashnikov1
  • E. K. Karkaryan2
  1. 1Institute for Nuclear Research of the Russian Academy of Sciences
  2. 2Lebedev Physical Institute
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Abstract

A bstract : We study the phenomenology of light scalar sgoldstinos, with masses from the dimuon threshold up to a few GeV, focusing on their production and detection prospects at the SND@HL-LHC experiment. We review the effective sgoldstino interactions with Standard Model particles, the dominant meson-decay production channels, and the relevant experimental constraints on the model parameter space. We also outline the recently proposed SND@HL-LHC detector configuration and discuss the kinematics and track separation of the muon pair produced in sgoldstino decays inside the detector volume. For two representative sets of supersymmetry-breaking parameters, we present sensitivity estimates and show that the muon-antimuon separation efficiency should be taken into account in searches for the dimuon signal.

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Cite

BibTeXRIS
BibTeX
@article{kalashnikov2026sgoldstino,
  title = {{Sgoldstino phenomenology at SND@HL-LHC}},
  author = {D. Kalashnikov and E. K. Karkaryan},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = oct,
  doi = {10.1007/jhep10(2026)005},
  url = {https://link.springer.com/10.1007/JHEP10(2026)005},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Sgoldstino phenomenology at SND@HL-LHC
AU  - D. Kalashnikov
AU  - E. K. Karkaryan
PY  - 2026
DA  - 2026/10/01
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep10(2026)005
UR  - https://link.springer.com/10.1007/JHEP10(2026)005
AB  - A bstract : We study the phenomenology of light scalar sgoldstinos, with masses from the dimuon threshold up to a few GeV, focusing on their production and detection prospects at the SND@HL-LHC experiment. We review the effective sgoldstino interactions with Standard Model particles, the dominant meson-decay production channels, and the relevant experimental constraints on the model parameter space. We also outline the recently proposed SND@HL-LHC detector configuration and discuss the kinematics and track separation of the muon pair produced in sgoldstino decays inside the detector volume. For two representative sets of supersymmetry-breaking parameters, we present sensitivity estimates and show that the muon-antimuon separation efficiency should be taken into account in searches for the dimuon signal.
SN  - 1029-8479
ER  -