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FLArE up dark sectors with EM form factors at the LHC Forward Physics Facility

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arxiv 2205.09137 v1 pith:MPUS3PAG submitted 2022-05-18 hep-ph astro-ph.COhep-ex

classification hep-phastro-ph.COhep-ex
keywords darkparticlesforwardflaremass-dimensiondetectordipolefacility
verification ladder T0 review T1 audit T2 compute T3 formal
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Despite being mostly secluded, dark sector particles may feebly interact with photons via a small mass-dimension 4 millicharge, a mass-dimension 5 magnetic and electric dipole moment, or a mass-dimension 6 anapole moment and charge radius. If sufficiently light, the LHC may produce an intense and collimated beam of these particles in the far forward direction. We study the prospects of searching for such dark sector particles with electromagnetic form factors via their electron scattering signature in the Forward Liquid Argon Experiment (FLArE) detector at the Forward Physics Facility (FPF). We find that FLArE can provide new probes of sub-GeV dark particles with dipole moments and strong sensitivities for millicharged particles in the 100 MeV to 100 GeV region. This complements other search strategies using scintillation signatures or dark matter direct detection and allows for probing strongly interacting dark matter motivated by the EDGES anomaly. Along with the FORMOSA detector, this leads to a very diverse and leading experimental program in the search for millicharged particles in the FPF.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A New Source of Millicharged Particles: Secondary Showers in the LHC Forward Absorber

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  3. Letter of Intent: The Forward Physics Facility

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  4. Study of sub-GeV Dipolar Dark States at SND@LHC within Invisible Bounds on Meson Decays

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    SND@LHC could probe sub-GeV dark matter with electric/magnetic dipole moments in parts of parameter space not yet excluded, especially around 0.5 MeV in HL-LHC, but existing LEP and CHARM II bounds remain tighter in m...

  5. Prospects of boosted magnetic dipole inelastic fermion dark matter at ILC-BDX

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    ILC-BDX can probe inelastic magnetic-dipole dark matter in a relevant parameter space for relative mass splittings of 0.05 and 0.001 over 1-10 years of running with 4e21 electrons on target per year.

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