PoS - Proceedings of Science
Volume 380 - Particles and Nuclei International Conference 2021 (PANIC2021) - Nuclear and particle astrophysics
The Scintillation Bubble Chamber (SBC) experiment for dark matter and reactor CEvNS
S. Pal*  on behalf of the SBC Collaboration
Full text: pdf
Pre-published on: March 11, 2022
Published on:
Abstract
The Scintillating Bubble Chamber (SBC) Collaboration is developing a novel detection technique aimed at detecting low-mass (0.7-7 GeV/c$^2$) WIMP interactions and coherent elastic neutrino-nucleus scattering (CE$\nu$NS) of reactor neutrinos. Using a target volume composed of super-heated argon with a tiny amount of dissolved xenon, the nucleation signal from electron recoils (the limiting factor for low-threshold studies in bubble chambers) is suppressed, allowing for the exploration of new parameter space. Particle interactions with the target fluid can lead to the production of heat (bubbles) and scintillation light. By combining these observables, the SBC Collaboration is aiming to reach a threshold of 100 eV for nuclear recoil detection with discrimination and a projected WIMP-sensitivity of $1.73\times10$^{-43}\rm{cm}^2$, for a WIMP mass of 1 GeV/c$^2$.

In this paper, the design of a 10-kg device and the current activities at Fermilab (FNAL) towards the commissioning and operation of the detector are presented. As part of the detector R\&D, ongoing activities at the University of Alberta for different image capture setups are also briefly discussed afterward. Finally, an overview of the collaboration’s plans for future operations at FNAL and SNOLAB, including the potential for such a detector to become the leading technology to study CE$\nu$NS are also presented here.
DOI: https://doi.org/10.22323/1.380.0339
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