activity
20242026
collaborators

6 papers

physics.ins-det2026

Demonstration of a cryogenic, switchable electron source for low-temperature detector calibration

D. A. Bennett, M. Borghesi, P. Campana +17

We present the realization of a prototype of a compact, switchable electron source operating at cryogenic temperatures, demonstrated at energies ranging from 100 eV to 300 eV, and…

nucl-ex2026

Phenomenological Modeling of the Ho Calorimetric Electron Capture Spectrum from the HOLMES Experiment

F. Ahrens, B. K. Alpert, D. T. Becker +46

We present a comprehensive phenomenological analysis of the calorimetric electron capture (EC) decay spectrum of Ho as measured by the HOLMES experiment. Using high-statist…

physics.ins-det2025

Impact of embedded Ho on the performance of the transition-edge sensor microcalorimeters of the HOLMES experiment

Douglas Bennett, Matteo Borghesi, Pietro Campana +19

We present a detailed investigation of the performance of transition-edge sensor (TES) microcalorimeters with Ho atoms embedded by ion implantation, as part of the HOLMES e…

hep-ex2025

Most stringent bound on electron neutrino mass obtained with a scalable low temperature microcalorimeter array

B. K. Alpert, M. Balata, D. T. Becker +36

The determination of the absolute neutrino mass scale remains a fundamental open question in particle physics, with profound implications for both the Standard Model and cosmology.…

physics.ins-det2025

A Demonstration of Slowed Electron Drift for PTOLEMY

M. Farino, A. Tan, A. Apponi +58

To resolve the effective neutrino mass with an energy resolution of 50~meV, the PTOLEMY experiment has proposed a novel transverse electromagnetic filtering process. Substan…

quant-ph2024

Transmon qubit modeling and characterization for Dark Matter search

R. Moretti, D. Labranca, P. Campana +21

This study presents the design, simulation, and experimental characterization of a superconducting transmon qubit circuit prototype for potential applications in dark matter detect…