We report on a search for elementary particles with charges much smaller than the electron charge using a data sample of proton-proton collisions provided by the CERN Large Hadron Collider in 2018, corresponding to an integrated luminosity of at a center-of-mass energy of 13 TeV. A prototype scintillator-based detector is deployed to conduct the first search at a hadron collider sensitive to particles with charges . The existence of new particles with masses between 20 and 4700 MeV is excluded at 95% confidence level for charges between and , depending on their mass. New sensitivity is achieved for masses larger than 700 MeV.
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"value": "We report on a search for elementary particles with charges much smaller than the electron charge using a data sample of proton-proton collisions provided by the CERN Large Hadron Collider in 2018, corresponding to an integrated luminosity of <math><mrow><mn>37.5</mn><mtext> </mtext><mtext> </mtext><msup><mrow><mi>fb</mi></mrow><mrow><mo>\u2212</mo><mn>1</mn></mrow></msup></mrow></math> at a center-of-mass energy of 13 TeV. A prototype scintillator-based detector is deployed to conduct the first search at a hadron collider sensitive to particles with charges <math><mo>\u2264</mo><mn>0.1</mn><mi>e</mi></math>. The existence of new particles with masses between 20 and 4700 MeV is excluded at 95% confidence level for charges between <math><mn>0.006</mn><mi>e</mi></math> and <math><mn>0.3</mn><mi>e</mi></math>, depending on their mass. New sensitivity is achieved for masses larger than 700 MeV."
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