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

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

doi:10.1103/zhs9-65ds

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

J. Aalbers
, D. S. Akerib
, A. K.Al Musalhi
, F. Alder
, C. S. Amarasinghe
, A. Ames
, T. J. Anderson
, N. Angelides
, H. M. Araújo
, J. E. Armstrong
, M. Arthurs
, A. Baker
, S. Balashov
, J. Bang
, J. W. Bargemann
, E. E. Barillier
, D. Bauer
, K. Beattie
, T. Benson
, A. Bhatti

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

Physics

University at Albany

SLAC National Accelerator Laboratory
Kavli Institute for Particle Astrophysics and Cosmology
University College London
University of California
Imperial College London
University of Maryland, College Park
King's College London
STFC Rutherford Appleton Laboratory (RAL)
Brown University
University of Michigan, Ann Arbor
University of Zurich
Lawrence Berkeley National Laboratory
University of Wisconsin-Madison
University of Edinburgh
SUNY Albany
University of Coimbra
University of Liverpool
Pennsylvania State University
Royal Holloway University of London
South Dakota School of Mines & Technology
University of Rochester
South Dakota Science and Technology Authority
Northwestern University
Fermi National Accelerator Laboratory
University of Oxford
University of Bristol
The University of Sydney
Brookhaven National Laboratory
University of Massachusetts
University of Alabama
University of California at Los Angeles
Institute for Basic Science
University of Sheffield
University of Texas at Austin
Lawrence Livermore National Laboratory
Vatican Observatory
Black Hills State University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

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 1000MeV/c² 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.

Original language	English
Article number	241802
Journal	Physical Review Letters
Volume	134
Issue number	24
DOIs	https://doi.org/10.1103/zhs9-65ds
State	Published - Jun 20 2025

Access to Document

10.1103/zhs9-65ds

Cite this

Aalbers, J., Akerib, D. S., Musalhi, A. K. A., 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., ... Zweig, E. A. (2025). First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment. Physical Review Letters, 134(24), Article 241802. https://doi.org/10.1103/zhs9-65ds

@article{df7cdb6d9fe34a6aa06e32666551d1c9,

title = "First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment",

abstract = "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{\textemdash}meson decay and proton bremsstrahlung{\textemdash}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 1000MeV/c2 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.",

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

note = "Publisher Copyright: {\textcopyright} 2025 authors. Published by the American Physical Society.",

year = "2025",

month = jun,

day = "20",

doi = "10.1103/zhs9-65ds",

language = "English",

volume = "134",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "24",

}

Aalbers, J, Akerib, DS, Musalhi, AKA, Alder, F, Amarasinghe, CS, Ames, A, Anderson, TJ, Angelides, N, Araújo, HM, Armstrong, JE, Arthurs, M, Baker, A, Balashov, S, Bang, J, Bargemann, JW, Barillier, EE, Bauer, D, Beattie, K, Benson, T, Bhatti, A, Biekert, A, Biesiadzinski, TP, Birch, HJ, Bishop, E, Blockinger, GM, Boxer, B, Brew, CAJ, Brás, P, Burdin, S, Buuck, M, Carmona-Benitez, MC, Carter, M, Chawla, A, Chen, H, Cherwinka, JJ, Chin, YT, Chott, NI, Converse, MV, Coronel, R, Cottle, A, Cox, G, Curran, D, Dahl, CE, Darlington, I, Dave, S, David, A, Delgaudio, J, Dey, S, De Viveiros, L, Di Felice, L, Ding, C, Dobson, JEY, Druszkiewicz, E, Dubey, S, Eriksen, SR, Fan, A, Fayer, S, Fearon, NM, Fieldhouse, N, Fiorucci, S, Flaecher, H, Fraser, ED, Fruth, TMA, Gaitskell, RJ, Geffre, A, Genovesi, J, Ghag, C, Ghosh, A, Gibbons, R, Gokhale, S, Green, J, Van der Grinten, MGD, Haiston, JJ, Hall, CR, Hall, TJ, Han, S, Hartigan-O’Connor, E, Haselschwardt, SJ, Hernandez, MA, Hertel, SA, Heuermann, G, Homenides, GJ, Horn, M, Huang, DQ, Hunt, D, Jacquet, E, James, RS, Johnson, J, Kaboth, AC, Kamaha, AC, Kannichankandy, M, Khaitan, D, Khazov, A, Khurana, I, Kim, J, Kim, YD, Kingston, J, Kirk, R, Kodroff, D, Korley, L, Korolkova, EV, Kraus, H, Kravitz, S, Kreczko, L, Kudryavtsev, VA, Lawes, C, Leonard, DS, Lesko, KT, Levy, C, Lin, J, Lindote, A, Lippincott, WH, Lopes, MI, Lorenzon, W, Lu, C, Luitz, S, Majewski, PA, Manalaysay, A, Mannino, RL, Maupin, C, McCarthy, ME, McDowell, G, McKinsey, DN, McLaughlin, J, McLaughlin, JB, McMonigle, R, Mizrachi, E, Monte, A, Monzani, ME, Mendoza, JDM, Morrison, E, Mount, BJ, Murdy, M, Murphy, ASJ, Naylor, A, Nelson, HN, Neves, F, Nguyen, A, O’Brien, CL, Olcina, I, Oliver-Mallory, KC, Orpwood, J, Oyulmaz, KY, Palladino, KJ, Palmer, J, Pannifer, NJ, Parveen, N, Patton, SJ, Penning, B, Pereira, G, Perry, E, Pershing, T, Piepke, A, Qie, Y, Reichenbacher, J, Rhyne, CA, Richards, A, Riffard, Q, Rischbieter, GRC, Ritchey, E, Riyat, HS, Rosero, R, Rushton, T, Rynders, D, Santone, D, Sazzad, ABMR, Schnee, RW, Sehr, G, Shafer, B, Shaw, S, Shutt, T, Silk, JJ, Silva, C, Sinev, G, Siniscalco, J, Smith, R, Solovov, VN, Sorensen, P, Soria, J, Stancu, I, Stevens, A, Stifter, K, Suerfu, B, Sumner, TJ, Szydagis, M, Tiedt, DR, Timalsina, M, Tong, Z, Tovey, DR, Tranter, J, Trask, M, Tripathi, M, Usón, A, Vacheret, A, Vaitkus, AC, Valentino, O, Velan, V, Wang, A, Wang, JJ, Wang, Y, Watson, JR, Weeldreyer, L, Whitis, TJ, Wild, K, Williams, M, Wisniewski, WJ, Wolf, L, Wolfs, FLH, Woodford, S, Woodward, D, Wright, CJ, Xia, Q, Xu, J, Xu, Y, Yeh, M, Yeum, D, Zha, W, Zhang, H & Zweig, EA 2025, 'First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment', Physical Review Letters, vol. 134, no. 24, 241802. https://doi.org/10.1103/zhs9-65ds

TY - JOUR

T1 - First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment

AU - Aalbers, J.

AU - Akerib, D. S.

AU - Musalhi, A. K.Al

AU - Alder, F.

AU - Amarasinghe, C. S.

AU - Ames, A.

AU - Anderson, T. J.

AU - Angelides, N.

AU - Araújo, H. M.

AU - Armstrong, J. E.

AU - Arthurs, M.

AU - Baker, A.

AU - Balashov, S.

AU - Bang, J.

AU - Bargemann, J. W.

AU - Barillier, E. E.

AU - Bauer, D.

AU - Beattie, K.

AU - Benson, T.

AU - Bhatti, A.

AU - Biekert, A.

AU - Biesiadzinski, T. P.

AU - Birch, H. J.

AU - Bishop, E.

AU - Blockinger, G. M.

AU - Boxer, B.

AU - Brew, C. A.J.

AU - Brás, P.

AU - Burdin, S.

AU - Buuck, M.

AU - Carmona-Benitez, M. C.

AU - Carter, M.

AU - Chawla, A.

AU - Chen, H.

AU - Cherwinka, J. J.

AU - Chin, Y. T.

AU - Chott, N. I.

AU - Converse, M. V.

AU - Coronel, R.

AU - Cottle, A.

AU - Cox, G.

AU - Curran, D.

AU - Dahl, C. E.

AU - Darlington, I.

AU - Dave, S.

AU - David, A.

AU - Delgaudio, J.

AU - Dey, S.

AU - De Viveiros, L.

AU - Di Felice, L.

AU - Ding, C.

AU - Dobson, J. E.Y.

AU - Druszkiewicz, E.

AU - Dubey, S.

AU - Eriksen, S. R.

AU - Fan, A.

AU - Fayer, S.

AU - Fearon, N. M.

AU - Fieldhouse, N.

AU - Fiorucci, S.

AU - Flaecher, H.

AU - Fraser, E. D.

AU - Fruth, T. M.A.

AU - Gaitskell, R. J.

AU - Geffre, A.

AU - Genovesi, J.

AU - Ghag, C.

AU - Ghosh, A.

AU - Gibbons, R.

AU - Gokhale, S.

AU - Green, J.

AU - Van der Grinten, M. G.D.

AU - Haiston, J. J.

AU - Hall, C. R.

AU - Hall, T. J.

AU - Han, S.

AU - Hartigan-O’Connor, E.

AU - Haselschwardt, S. J.

AU - Hernandez, M. A.

AU - Hertel, S. A.

AU - Heuermann, G.

AU - Homenides, G. J.

AU - Horn, M.

AU - Huang, D. Q.

AU - Hunt, D.

AU - Jacquet, E.

AU - James, R. S.

AU - Johnson, J.

AU - Kaboth, A. C.

AU - Kamaha, A. C.

AU - Kannichankandy, M.

AU - Khaitan, D.

AU - Khazov, A.

AU - Khurana, I.

AU - Kim, J.

AU - Kim, Y. D.

AU - Kingston, J.

AU - Kirk, R.

AU - Kodroff, D.

AU - Korley, L.

AU - Korolkova, E. V.

AU - Kraus, H.

AU - Kravitz, S.

AU - Kreczko, L.

AU - Kudryavtsev, V. A.

AU - Lawes, C.

AU - Leonard, D. S.

AU - Lesko, K. T.

AU - Levy, C.

AU - Lin, J.

AU - Lindote, A.

AU - Lippincott, W. H.

AU - Lopes, M. I.

AU - Lorenzon, W.

AU - Lu, C.

AU - Luitz, S.

AU - Majewski, P. A.

AU - Manalaysay, A.

AU - Mannino, R. L.

AU - Maupin, C.

AU - McCarthy, M. E.

AU - McDowell, G.

AU - McKinsey, D. N.

AU - McLaughlin, J.

AU - McLaughlin, J. B.

AU - McMonigle, R.

AU - Mizrachi, E.

AU - Monte, A.

AU - Monzani, M. E.

AU - Mendoza, J. D.Morales

AU - Morrison, E.

AU - Mount, B. J.

AU - Murdy, M.

AU - Murphy, A. St J.

AU - Naylor, A.

AU - Nelson, H. N.

AU - Neves, F.

AU - Nguyen, A.

AU - O’Brien, C. L.

AU - Olcina, I.

AU - Oliver-Mallory, K. C.

AU - Orpwood, J.

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AU - Palladino, K. J.

AU - Palmer, J.

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AU - Patton, S. J.

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AU - Xia, Q.

AU - Xu, J.

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AU - Yeh, M.

AU - Yeum, D.

AU - Zha, W.

AU - Zhang, H.

AU - Zweig, E. A.

PY - 2025/6/20

Y1 - 2025/6/20

N2 - 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 1000MeV/c2 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.

AB - 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 1000MeV/c2 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.

UR - https://www.scopus.com/pages/publications/105012806207

U2 - 10.1103/zhs9-65ds

DO - 10.1103/zhs9-65ds

M3 - Article

C2 - 40742927

SN - 0031-9007

VL - 134

JO - Physical Review Letters

JF - Physical Review Letters

IS - 24

M1 - 241802

ER -

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

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