Universe (Jul 2023)

Scintillating Bubble Chambers for Rare Event Searches

  • Ernesto Alfonso-Pita,
  • Edward Behnke,
  • Matthew Bressler,
  • Benjamin Broerman,
  • Kenneth Clark,
  • Jonathan Corbett,
  • C. Eric Dahl,
  • Koby Dering,
  • Austin de St. Croix,
  • Daniel Durnford,
  • Pietro Giampa,
  • Jeter Hall,
  • Orin Harris,
  • Hector Hawley-Herrera,
  • Christopher M. Jackson,
  • Youngtak Ko,
  • Noah Lamb,
  • Mathieu Laurin,
  • Ilan Levine,
  • W. Hugh Lippincott,
  • Xingxin Liu,
  • Russell Neilson,
  • Marie-Cécile Piro,
  • Shashank Priya,
  • Daniel Pyda,
  • Zhiheng Sheng,
  • Gary Sweeney,
  • Eric Vázquez-Jáuregui,
  • Shawn Westerdale,
  • Thomas J. Whitis,
  • Alexander Wright,
  • Wei Zha,
  • Ryan Zhang

DOI
https://doi.org/10.3390/universe9080346
Journal volume & issue
Vol. 9, no. 8
p. 346

Abstract

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The Scintillating Bubble Chamber (SBC) collaboration is developing liquid-noble bubble chambers for the detection of sub-keV nuclear recoils. These detectors benefit from the electron recoil rejection inherent in moderately-superheated bubble chambers with the addition of energy reconstruction provided from the scintillation signal. The ability to measure low-energy nuclear recoils allows the search for GeV-scale dark matter and the measurement of coherent elastic neutrino-nucleus scattering on argon from MeV-scale reactor antineutrinos. The first physics-scale detector, SBC-LAr10, is in the commissioning phase at Fermilab, where extensive engineering and calibration studies will be performed. In parallel, a functionally identical low-background version, SBC-SNOLAB, is being built for a dark matter search underground at SNOLAB. SBC-SNOLAB, with a 10 kg-yr exposure, will have sensitivity to a dark matter–nucleon cross section of 2×10−42 cm2 at 1 GeV/c2 dark matter mass, and future detectors could reach the boundary of the argon neutrino fog with a tonne-yr exposure. In addition, the deployment of an SBC detector at a nuclear reactor could enable neutrino physics investigations including measurements of the weak mixing angle and searches for sterile neutrinos, the neutrino magnetic moment, and the light Z’ gauge boson.

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