activity
20232026
most citedSignal processing and spectral modeling for the BeEST experiment

8 citations · 10 across the 6 of their papers we have counts for

collaborators

7 papers

physics.atom-ph2026

Shake-up and shake-off spectra in the electron capture decay of atomic Be

Mauro Guerra, Inwook Kim, Stephan Friedrich +33

The most stringent laboratory-based experimental limits on the existence of sub-MeV sterile neutrinos are currently set by decay spectroscopy of radioactive Be embedded into su…

physics.ins-det2025★ 1 cited

Aluminum-Based Superconducting Tunnel Junction Sensors for Nuclear Recoil Spectroscopy

Spencer L. Fretwell, Connor Bray, Inwook Kim +31

The BeEST experiment is searching for sub-MeV sterile neutrinos by measuring nuclear recoil energies from the decay of Be implanted into superconducting tunnel junction (STJ) s…

physics.comp-ph2025

Integration of Silica in G4CMP for Phonon Simulations: Framework and Tools for Material Integration

Caitlyn Stone-Whitehead, Israel Hernandez, Connor Bray +10

Superconducting detectors with sub-eV energy resolution have demonstrated success setting limits on Beyond the Standard Model (BSM) physics due to their unique sensitivity to low-e…

physics.ins-det2025★ 1 cited

Next Generation Ta-STJ Sensor Arrays for BSM Physics Searches

Joseph P. T. Templet, Spencer Fretwell, Andrew Marino +9

The Beryllium Electron capture in Superconducting Tunnel junctions (BeEST) experiment uses superconducting tunnel junction (STJ) sensors to search for physics beyond the standard m…

physics.ins-det2024

High-Precision Excited-State Nuclear Recoil Spectroscopy with Superconducting Sensors

C. Bray, S. Fretwell, L. A. Zepeda-Ruiz +30

Superconducting sensors doped with rare isotopes have recently demonstrated powerful sensing performance for sub-keV radiation from nuclear decay. Here, we report the first high-re…

physics.ins-det2024★ 8 cited

Signal processing and spectral modeling for the BeEST experiment

Inwook Kim, Connor Bray, Andrew Marino +35

The Beryllium Electron capture in Superconducting Tunnel junctions (BeEST) experiment searches for evidence of heavy neutrino mass eigenstates in the nuclear electron capture decay…

physics.ins-det2023

The Data Acquisition System for Phase-III of the BeEST Experiment

C. Bray, S. Fretwell, I. Kim +27

The BeEST experiment is a precision laboratory search for physics beyond the standard model that measures the electron capture decay of Be implanted into superconducting tunnel…