167 citations · 688 across the 28 of their papers we have counts for
29 papers
The measurement of the Tc -decay spectrum and its implications for the effective value of weak axial coupling
J. W. Song, M. Ramalho, M. K. Lee +9
Measurements of -spectral shapes is an important way to examine the effective value of the weak axial coupling . These stu\ dies focus specifically on forbidden non-u…
The MAJORANA DEMONSTRATOR experiment's construction, commissioning, and performance
N. Abgrall, E. Aguayo, I. J. Arnquist +108
Background: The MAJORANA DEMONSTRATOR , a modular array of isotopically enriched high-purity germanium (HPGe) detectors, was constructed to demonstrate backgrounds low enough to ju…
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…
Final Results of the MAJORANA DEMONSTRATOR's Search for Double-Beta Decay of Ge to Excited States of Se
I. J. Arnquist, F. T. Avignone, A. S. Barabash +45
Ge can decay into three possible excited states of Se, with the emission of two or, if the neutrino is Majorana, zero neutrinos. None of these six transitions ha…
Athermal phonon collection efficiency in diamond crystals for low mass dark matter detection
I. Kim, N. A. Kurinsky, H. Kagan +2
We explored the efficacy of lab-grown diamonds as potential target materials for the direct detection of sub-GeV dark matter~(DM) using metallic magnetic calorimeters~(MMCs). Diamo…
An assay-based background projection for the MAJORANA DEMONSTRATOR using Monte Carlo Uncertainty Propagation
I. J. Arnquist, F. T. Avignone, A. S. Barabash +53
The background index is an important quantity which is used in projecting and calculating the half-life sensitivity of neutrinoless double-beta decay () experiments. A novel…
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…
Majorana Demonstrator Data Release for AI/ML Applications
I. J. Arnquist, F. T. Avignone, A. S. Barabash +57
The enclosed data release consists of a subset of the calibration data from the Majorana Demonstrator experiment. Each Majorana event is accompanied by raw Germanium detector wavef…
Constraints on the decay of Ta
I. J. Arnquist, F. T. Avignone, A. S. Barabash +56
Ta is a rare nuclear isomer whose decay has never been observed. Its remarkably long lifetime surpasses the half-lives of all other known and electron capture decays d…
Energy Calibration of Germanium Detectors for the MAJORANA DEMONSTRATOR
I. J. Arnquist, F. T. Avignone, A. S. Barabash +53
The MAJORANA DEMONSTRATOR was a search for neutrinoless double-beta decay () in the Ge isotope. It was staged at the 4850-foot level of the Sanford Underground Researc…
Modeling Backgrounds for the MAJORANA DEMONSTRATOR
C. R. Haufe, I. J. Arnquist, F. T. Avignone +55
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay () experiment containing 30 kg of p-type point contact germanium detectors enriched to 88% in 76Ge and $\s…
Charge Trapping and Energy Performance of the MAJORANA DEMONSTRATOR
I. J. Arnquist, F. T. Avignone, A. S. Barabash +55
P-type point contact (PPC) high-purity germanium detectors are an important technology in astroparticle and nuclear physics due to their superb energy resolution, low noise, and pu…
Interpretable Boosted Decision Tree Analysis for the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +52
The Majorana Demonstrator is a leading experiment searching for neutrinoless double-beta decay with high purity germanium detectors (HPGe). Machine learning provides a new way to m…
Final Result of the MAJORANA DEMONSTRATOR's Search for Neutrinoless Double- Decay in Ge
I. J. Arnquist, F. T. Avignone, A. S. Barabash +57
The MAJORANA DEMONSTRATOR searched for neutrinoless double- decay () of Ge using modular arrays of high-purity Ge detectors operated in vacuum cryostats in a low-ba…
Exotic dark matter search with the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +56
With excellent energy resolution and ultra-low level radiogenic backgrounds, the high-purity germanium detectors in the Majorana Demonstrator enable searches for several classes of…
Search for solar axions via axion-photon coupling with the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +55
Axions were originally proposed to explain the strong-CP problem in QCD. Through the axion-photon coupling, the Sun could be a major source of axions, which could be measured in so…
Experimental study of 13C(α,n)16O reactions in the Majorana Demonstrator calibration data
MAJORANA Collaboration, I. J. Arnquist, F. T. Avignone +55
Neutron captures and delayed decays of reaction products are common sources of backgrounds in ultra-rare event searches. In this work, we studied C(O reactions in…
Search for charge nonconservation and Pauli exclusion principle violation with the Majorana Demonstrator
MAJORANA Collaboration, I. J. Arnquist, F. T. Avignone +55
Charge conservation and the Pauli exclusion principle result from fundamental symmetries in the standard model of particle physics, and are typically taken as axiomatic. High-preci…
Search for Spontaneous Radiation from Wavefunction Collapse in the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +51
The Majorana Demonstrator neutrinoless double-beta decay experiment comprises a 44 kg (30 kg enriched in ) array of -type, point-contact germanium detectors. W…
A Search for Electron Neutrino Transitions to Sterile States in the BEST Experiment
V. V. Barinov, B. T. Cleveland, S. N. Danshin +27
The Baksan Experiment on Sterile Transitions (BEST) probes the gallium anomaly and its possible connections to oscillations between active and sterile neutrinos. Based on the Galli…
The MAJORANA DEMONSTRATOR Readout Electronics System
N. Abgrall, M. Amman, I. J. Arnquist +76
The MAJORANA DEMONSTRATOR comprises two arrays of high-purity germanium detectors constructed to search for neutrinoless double-beta decay in 76-Ge and other physics beyond the Sta…
Signatures of muonic activation in the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +55
Experiments searching for very rare processes such as neutrinoless double-beta decay require a detailed understanding of all sources of background. Signals from radioactive impurit…
Results from the Baksan Experiment on Sterile Transitions (BEST)
V. V. Barinov, B. T. Cleveland, S. N. Danshin +27
The Baksan Experiment on Sterile Transitions (BEST) was designed to investigate the deficit of electron neutrinos, , observed in previous gallium-based radiochemical measure…
LEGEND-1000 Preconceptual Design Report
LEGEND Collaboration, N. Abgrall, I. Abt +261
We propose the construction of LEGEND-1000, the ton-scale Large Enriched Germanium Experiment for Neutrinoless Decay. This international experiment is designed to answer one o…