activity
20112026
most citedThe Large Enriched Germanium Experiment for Neutrinoless Double Beta Decay (LEGEND)

216 citations · 863 across the 41 of their papers we have counts for

collaborators

39 papers

hep-ex2026

The COHERENT Experiment: 2026 Update

M. Adhikari, M. Ahn, D. Amaya Matamoros +107

The COHERENT experiment measures neutrino-induced recoils from coherent elastic neutrino-nucleus scattering (CEvNS) with multiple nuclear targets at the Spallation Neutron Source (…

hep-ex2025★ 19 cited

First Results on the Search for Lepton Number Violating Neutrinoless Double Beta Decay with the LEGEND-200 Experiment

H. Acharya, N. Ackermann, M. Agostini +256

The LEGEND collaboration is searching for neutrinoless double beta () decay by operating high-purity germanium detectors enriched in Ge in a low-background liquid argo…

physics.ins-det2025★ 1 cited

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…

nucl-ex2024★ 1 cited

Rare multi-nucleon decays with the full data sets of the Majorana Demonstrator

I. J. Arnquist, F. T. Avignone, A. S. Barabash +39

The Majorana Demonstrator was an ultra-low-background experiment designed for neutrinoless double-beta decay () investigation in Ge. Located at the Sanford Underground…

nucl-ex2024

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…

hep-ex2024★ 4 cited

Evidence of Coherent Elastic Neutrino-Nucleus Scattering with COHERENT's Germanium Array

S. Adamski, M. Ahn, P. S. Barbeau +85

We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on natural germanium, measured at the Spallation Neutron Source at Oak Ridge National Laborato…

cs.LG2023

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…

physics.ins-det2023

COHERENT Collaboration data release from the measurements of CsI[Na] response to nuclear recoils

D. Akimov, P. An, C. Awe +75

Description of the data release 10.13139/OLCF/1969085 (https://doi.ccs.ornl.gov/ui/doi/426) from the measurements of the CsI[Na] response to low energy nuclear recoils by the COHER…

nucl-ex2023★ 21 cited

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…

physics.ins-det2023★ 6 cited

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…

nucl-ex2023★ 19 cited

Measurement of the Electron-Neutrino Charged-Current Cross Sections on I with the COHERENT NaIE detector

P. An, C. Awe, P. S. Barbeau +86

Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on I with pion decay-at-rest neutrinos produced by the…

nucl-ex2022★ 7 cited

Neutrinoless Double Beta Decay

C. Adams, K. Alfonso, C. Andreoiu +229

This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta…

nucl-ex2022

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…

physics.ins-det2022★ 12 cited

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…

physics.data-an2022★ 4 cited

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…

nucl-ex2022★ 91 cited

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…

hep-ex2022★ 10 cited

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…

nucl-ex2022★ 14 cited

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…

nucl-ex2022★ 3 cited

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…

nucl-ex2022★ 6 cited

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…

nucl-ex2022

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…

physics.ins-det2021★ 4 cited

Measurement of scintillation response of CsI[Na] to low-energy nuclear recoils by COHERENT

D. Akimov, P. An, C. Awe +74

We present results of several measurements of CsI[Na] scintillation response to 3-60 keV energy nuclear recoils performed by the COHERENT collaboration using tagged neutron elastic…

nucl-ex2019★ 4 cited

Results of the MAJORANA DEMONSTRATOR's Search for Double-Beta Decay of Ge to Excited States of Se

I. S. Guinn, I. J. Arnquist, F. T. Avignone +57

The MAJORANA DEMONSTRATOR is searching for double-beta decay of Ge to excited states (E.S.) in Se using a modular array of high purity Germanium detectors. Ge…

hep-ex2019

Recent Results of the Majorana Demonstrator Experiment

J. M. López-Castaño

The MAJORANA DEMONSTRATOR is searching for neutrinoless double-beta decay in Ge with two modular arrays of natural and Ge-enriched germanium detectors. It is located…