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PreprintCC BY 4.0arXiv

First Search for Quirks at the LHC with FASER

  • FASER Collaboration
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Abstract

We present the first LHC search for quirks, particles with Standard Model and QCD-like infracolor (IC) interactions. The analysis uses data collected in 2022--2024 by FASER, with a 186 fb−1 integrated luminosity of proton-proton collisions at a center-of-mass energy √s = 13.6 TeV. Scintillator charge and timing information are used to search for slow pairs of quirks with no QCD color and electric charge ± 1. No events are seen in this nearly background-free search, resulting in the first exclusion of quirks with masses above the weak scale for IC confinement scales in the broad range of 300 eV<Λ<100 keV.

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Cite

BibTeXRIS
BibTeX
@misc{collaboration2026first,
  title = {{First Search for Quirks at the LHC with FASER}},
  author = {FASER Collaboration},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2607.26195},
  eprint = {2607.26195},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.26195},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - First Search for Quirks at the LHC with FASER
AU  - FASER Collaboration
PY  - 2026
DA  - 2026/10/02
PB  - arXiv
DO  - 10.48550/arxiv.2607.26195
UR  - https://arxiv.org/abs/2607.26195
AB  - We present the first LHC search for quirks, particles with Standard Model and QCD-like infracolor (IC) interactions. The analysis uses data collected in 2022--2024 by FASER, with a 186 fb^−1 integrated luminosity of proton-proton collisions at a center-of-mass energy √s = 13.6 TeV. Scintillator charge and timing information are used to search for slow pairs of quirks with no QCD color and electric charge ± 1. No events are seen in this nearly background-free search, resulting in the first exclusion of quirks with masses above the weak scale for IC confinement scales in the broad range of 300 eV<Λ<100 keV.
ER  -