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Sensitivity to millicharged particles in future proton-proton collisions at the LHC

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arxiv 2104.07151 v2 pith:E27YGWKE submitted 2021-04-14 hep-ex physics.ins-det

classification hep-exphysics.ins-det
keywords detectorchargesdatasetparticlesdependingexpectedhighluminosity
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We report on the expected sensitivity of dedicated scintillator-based detectors at the LHC for elementary particles with charges much smaller than the electron charge. The dataset provided by a prototype scintillator-based detector is used to characterise the performance of the detector and provide an accurate background projection. Detector designs, including a novel slab detector configuration, are considered for the data taking period of the LHC to start in 2022 (Run 3) and for the high luminosity LHC. With the Run 3 dataset, the existence of new particles with masses between 10 MeV and 45 GeV could be excluded at 95% confidence level for charges between 0.003e and 0.3e, depending on their mass. With the high luminosity LHC dataset, the expected limits would reach between 10 MeV and 80 GeV for charges between 0.0018e and 0.3e, depending on their mass

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Cited by 2 Pith papers

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

  1. Phenomenology of Fractionally Charged Particles: Two Reps Are Better Than One

    hep-ph 2025-07 accept novelty 6.0 of 10

    Adding a second fractionally charged particle can weaken existing LHC bounds on the heavy partner by factors of a few while boosting production of the light partner by up to three orders of magnitude, motivating new i...

  2. Search for millicharged particles in proton-proton collisions at $\sqrt{s} = 13.6$ TeV

    hep-ex 2025-06 accept novelty 6.0 of 10

    No millicharged particles were found in 124.7 fb^-1 of 13.6 TeV data; milliQan sets the strongest limits to date for masses >= 0.45 GeV and charges <= 0.24 e.

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