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Coherent Elastic Neutrino Nucleus Scattering (CE \(\nu \) NS) offers exciting opportunities to probe new physics within and beyond the Standard Model. In this process, a neutrino scatters coherently with the nucleons at low momentum transfer, causing the entire nucleus to recoil. Despite its enhanced cross-section compared to the Inverse Beta Decay (IBD) process, detecting CE \(\nu \) NS is challenging due to the low nuclear recoil energy ( \(\mathcal {O}\) (keV)). Cryogenic dark matter detectors, with thresholds of \(\mathcal {O}\) (10eV–100eV) and excellent energy resolution, are considered good for CE \(\nu \) NS search. Reactor facilities, with abundant \(\mathcal {O}\) (MeV) neutrino flux, provide an ideal environment for CE \(\nu \) NS search. We present background simulations and feasibility studies for a CE \(\nu \) NS experiment at the APSARA-U research reactor in India.

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Feasibility of CE \(\nu \) NS Search at APSARA-U

  • 会议论文

  • 发表日期：

    2025年

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  • Sudipta Das,
  • Roni Dey,
  • Dipanwita Mondal,
  • Varchaswi K. S. Kashyap,
  • Bedangadas Mohanty

摘要

Coherent Elastic Neutrino Nucleus Scattering (CE \(\nu \) NS) offers exciting opportunities to probe new physics within and beyond the Standard Model. In this process, a neutrino scatters coherently with the nucleons at low momentum transfer, causing the entire nucleus to recoil. Despite its enhanced cross-section compared to the Inverse Beta Decay (IBD) process, detecting CE \(\nu \) NS is challenging due to the low nuclear recoil energy ( \(\mathcal {O}\) (keV)). Cryogenic dark matter detectors, with thresholds of \(\mathcal {O}\) (10eV–100eV) and excellent energy resolution, are considered good for CE \(\nu \) NS search. Reactor facilities, with abundant \(\mathcal {O}\) (MeV) neutrino flux, provide an ideal environment for CE \(\nu \) NS search. We present background simulations and feasibility studies for a CE \(\nu \) NS experiment at the APSARA-U research reactor in India.