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arxiv: 2504.13089 · v2 · pith:XJBL3BVA · submitted 2025-04-17 · hep-ex · hep-ph

Absorption of Fermionic Dark Matter in the PICO-60 C₃F₈ Bubble Chamber

E. Adams , B. Ali , R. Anderson-Dornan , I. J. Arnquist , M. Bai , D. Baxter , E. Behnke , B. Broerman
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C. J. Chen K. Clark J. I. Collar P. S. Cooper D. Cranshaw C. Cripe M. Crisler C. E. Dahl M. Das S. Das S. Fallows J. Farine R. Filgas A. Garc\'ia-Viltres G. Giroux O. Harris H. Hawley-Herrera T. Hillier E. W. Hoppe C. M. Jackson M. Jin C. B. Krauss M. Laurin I. Lawson A. Leblanc H. Leng I. Levine C. Licciardi W. H. Lippincott Q. Malin P. Mitra V. Monette C. Moore R. Neilson A. J. Noble H. Nozard S. Pal M.-C. Piro S. Priya C. Rethmeier M. Robert A. E. Robinson J. Savoie S. J. Sekula A. Sonnenschein N. Starinski I. \v{S}tekl M. Tripathi E. V\'azquez-J\'auregui U. Wichoski William Woodley V. Zacek J. Zhang
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classification hep-ex hep-ph
keywords absorptiondarkmatterbubblechamberfermionicinteractionspico-60
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Fermionic dark matter absorption on nuclear targets via neutral current interactions is explored using a non-relativistic effective field theory framework. An analysis of data from the PICO-60 C$_{3}$F$_{8}$ bubble chamber sets leading constraints on spin-independent absorption for dark matter masses below 23 MeV/$\textit{c}^2$ and establishes the first limits on spin-dependent absorptive interactions. These results demonstrate the sensitivity of bubble chambers to low-mass dark matter and underscore the importance of absorption searches in expanding the parameter space of direct detection experiments.

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  1. Constraints on Fermionic Dark Matter Absorption from Radiochemical Solar-Neutrino Measurements

    hep-ph 2026-02 unverdicted novelty 5.0

    Reanalysis of solar neutrino capture rates yields 90% upper limits of 0.39-0.59 SNU on fermionic dark matter induced contributions, mapping to y bounds of 4.9-7.1 x 10^{-49} cm^2 at 1 MeV dark matter mass.