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Physical review letters · 2025

First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment.

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Aalbers J, Akerib D S, Musalhi A K Al, Alder F, Amarasinghe C S, Ames A, Anderson T J, Angelides N, Araújo H M, Armstrong J E, Arthurs M, Baker A, Balashov S, Bang J, Bargemann J W, Barillier E E, Bauer D, Beattie K, Benson T, Bhatti A, Biekert A, Biesiadzinski T P, Birch H J, Bishop E, Blockinger G M, Boxer B, Brew C A J, Brás P, Burdin S, Buuck M, Carmona-Benitez M C, Carter M, Chawla A, Chen H, Cherwinka J J, Chin Y T, Chott N I, Converse M V, Coronel R, Cottle A, Cox G, Curran D, Dahl C E, Darlington I, Dave S, David A, Delgaudio J, Dey S, de Viveiros L, Di Felice L, Ding C, Dobson J E Y, Druszkiewicz E, Dubey S, Eriksen S R, Fan A, Fayer S, Fearon N M, Fieldhouse N, Fiorucci S, Flaecher H, Fraser E D, Fruth T M A, Gaitskell R J, Geffre A, Genovesi J, Ghag C, Ghosh A, Gibbons R, Gokhale S, Green J, van der Grinten M G D, Haiston J J, Hall C R, Hall T J, Han S, Hartigan-O'Connor E, Haselschwardt S J, Hernandez M A, Hertel S A, Heuermann G, Homenides G J, Horn M, Huang D Q, Hunt D, Jacquet E, James R S, Johnson J, Kaboth A C, Kamaha A C, Kannichankandy M, Khaitan D, Khazov A, Khurana I, Kim J, Kim Y D, Kingston J, Kirk R, Kodroff D, Korley L, Korolkova E V, Kraus H, Kravitz S, Kreczko L, Kudryavtsev V A, Lawes C, Leonard D S, Lesko K T, Levy C, Lin J, Lindote A, Lippincott W H, Lopes M I, Lorenzon W, Lu C, Luitz S, Majewski P A, Manalaysay A, Mannino R L, Maupin C, McCarthy M E, McDowell G, McKinsey D N, McLaughlin J, McLaughlin J B, McMonigle R, Mizrachi E, Monte A, Monzani M E, Mendoza J D Morales, Morrison E, Mount B J, Murdy M, Murphy A St J, Naylor A, Nelson H N, Neves F, Nguyen A, O'Brien C L, Olcina I, Oliver-Mallory K C, Orpwood J, Oyulmaz K Y, Palladino K J, Palmer J, Pannifer N J, Parveen N, Patton S J, Penning B, Pereira G, Perry E, Pershing T, Piepke A, Qie Y, Reichenbacher J, Rhyne C A, Richards A, Riffard Q, Rischbieter G R C, Ritchey E, Riyat H S, Rosero R, Rushton T, Rynders D, Santone D, Sazzad A B M R, Schnee R W, Sehr G, Shafer B, Shaw S, Shutt T, Silk J J, Silva C, Sinev G, Siniscalco J, Smith R, Solovov V N, Sorensen P, Soria J, Stancu I, Stevens A, Stifter K, Suerfu B, Sumner T J, Szydagis M, Tiedt D R, Timalsina M, Tong Z, Tovey D R, Tranter J, Trask M, Tripathi M, Usón A, Vacheret A, Vaitkus A C, Valentino O, Velan V, Wang A, Wang J J, Wang Y, Watson J R, Weeldreyer L, Whitis T J, Wild K, Williams M, Wisniewski W J, Wolf L, Wolfs F L H, Woodford S, Woodward D, Wright C J, Xia Q, Xu J, Xu Y, Yeh M, Yeum D, Zha W, Zhang H, Zweig E A, LZ Collaboration

Аннотация

We report on a search for millicharged particles (mCPs) produced in cosmic ray atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN experiment. The mCPs produced by two processes-meson decay and proton bremsstrahlung-are considered in this study. This search utilized a novel signature unique to liquid xenon (LXe) time projection chambers, allowing sensitivity to mCPs with masses ranging from 10 to 1000  MeV/c^{2} and fractional charges between 0.001 and 0.02 of the electron charge (e). With an exposure of 60 live days and a 5.5 metric ton fiducial mass, we observed no significant excess over background. This represents the first experimental search for atmospheric mCPs and the first search for mCPs using an underground LXe experiment.

ИП Урсолов Владлен Сергеевич

ИНН 500118482352 · ОГРНИП 314500117700049

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