papers

Publications (27)

physics.ins-det2022

Liquid argon light collection and veto modeling in GERDA Phase II

GERDA collaboration, M. Agostini, A. Alexander +115

The ability to detect liquid argon scintillation light from within a densely packed high-purity germanium detector array allowed the GERDA experiment to reach an exceptionally low…

physics.ins-det2021

Calibration of the GERDA experiment

GERDA collaboration, M. Agostini, G. R. Araujo +109

The GERmanium Detector Array (GERDA) collaboration searched for neutrinoless double- decay in Ge with an array of about 40 high-purity isotopically-enriched germanium de…

nucl-ex2016

Limit on the Radiative Neutrinoless Double Electron Capture of Ar from GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +115

Neutrinoless double electron capture is a process that, if detected, would give evidence of lepton number violation and the Majorana nature of neutrinos. A search for neutrinoless…

hep-ex2019

Probing Majorana neutrinos with double- decay

GERDA collaboration, M. Agostini, A. M. Bakalyarov +111

A discovery that neutrinos are not the usual Dirac but Majorana fermions, i.e. identical to their antiparticles, would be a manifestation of new physics with profound implications…

nucl-ex2023

Search for tri-nucleon decays of Ge in GERDA

GERDA collaboration, M. Agostini, A. Alexander +111

We search for tri-nucleon decays of Ge in the dataset from the GERmanium Detector Array (GERDA) experiment. Decays that populate excited levels of the daughter nucleus above…

physics.ins-det2017

Upgrade for Phase II of the GERDA Experiment

M. Agostini, A. M. Bakalyarov, M. Balata +111

The GERDA collaboration is performing a sensitive search for neutrinoless double beta decay of Ge at the INFN Laboratori Nazionali del Gran Sasso, Italy. The upgrade of the…

hep-ex2020

The first search for bosonic super-WIMPs with masses up to 1 MeV/c with GERDA

GERDA collaboration, M. Agostini, A. M. Bakalyarov +106

We present the first search for bosonic super-WIMPs as keV-scale dark matter candidates performed with the GERDA experiment. GERDA is a neutrinoless double-beta decay experiment wh…

nucl-ex2023

Final Results of GERDA on the Two-Neutrino Double- Decay Half-Life of Ge

GERDA collaboration, M. Agostini, A. Alexander +116

We present the measurement of the two-neutrino double- decay rate of Ge performed with the GERDA Phase II experiment. With a subset of the entire GERDA exposure, 11.8 kg…

nucl-ex2024

Searches for new physics below twice the electron mass with GERDA

GERDA Collaboration, M. Agostini, A. Alexander +108

A search for full energy depositions from bosonic keV-scale dark matter candidates of masses between 65 keV and 1021 keV has been performed with data collected during Phase II of t…

physics.ins-det2016

Flux Modulations seen by the Muon Veto of the GERDA Experiment

M. Agostini, M. Allardt, A. M. Bakalyarov +112

The GERDA experiment at LNGS of INFN is equipped with an active muon veto. The main part of the system is a water Cherenkov veto with 66~PMTs in the water tank surrounding the GERD…

nucl-ex2023

An improved limit on the neutrinoless double-electron capture of Ar with GERDA

GERDA Collaboration, M. Agostini, A. Alexander +110

The GERmanium Detector Array (GERDA) experiment operated enriched high-purity germanium detectors in a liquid argon cryostat, which contains 0.33% of Ar, a candidate isotope…

nucl-ex2020

Final Results of GERDA on the Search for Neutrinoless Double- Decay

GERDA collaboration, M. Agostini, G. R. Araujo +112

The GERmanium Detector Array (GERDA) experiment searched for the lepton-number-violating neutrinoless double- () decay of Ge, whose discovery would have far-rea…

physics.ins-det2021

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…

hep-ex2025

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 a…

physics.ins-det2015

Improvement of the Energy Resolution via an Optimized Digital Signal Processing in GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +111

An optimized digital shaping filter has been developed for the GERDA experiment which searches for neutrinoless double beta decay in 76Ge. The GERDA Phase I energy calibration data…

nucl-ex2022

Search for exotic physics in double- decays with GERDA Phase II

The GERDA collaboration, M. Agostini, A. Alexander +111

A search for Beyond the Standard Model double- decay modes of Ge has been performed with data collected during the Phase II of the GERmanium Detector Array (GERDA) exper…

physics.ins-det2019

Characterization of 30 Ge enriched Broad Energy Ge detectors for GERDA Phase II

GERDA collaboration, M. Agostini, A. M. Bakalyarov +112

The GERmanium Detector Array (GERDA) is a low background experiment located at the Laboratori Nazionali del Gran Sasso in Italy, which searches for neutrinoless double beta decay o…

physics.ins-det2021

Characterization of inverted coaxial Ge detectors in GERDA for future double- decay experiments

GERDA collaboration, M. Agostini, G. R. Araujo +108

Neutrinoless double- decay of Ge is searched for with germanium detectors where source and detector of the decay are identical. For the success of future experiments it…

hep-ex2015

decay of Ge into excited states with GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +113

Two neutrino double beta decay of Ge to excited states of Se has been studied using data from Phase I of the GERDA experiment. An array composed of up to 14 germanium…

physics.ins-det2016

Limits on uranium and thorium bulk content in GERDA Phase I detectors

GERDA collaboration, M. Agostini, M. Allardt +113

Internal contaminations of U, U and Th in the bulk of high purity germanium detectors are potential backgrounds for experiments searching for neutrinoless d…

nucl-ex2015

Results on decay with emission of two neutrinos or Majorons in Ge from GERDA Phase I

M. Agostini, M. Allardt, A. M. Bakalyarov +109

A search for neutrinoless decay processes accompanied with Majoron emission has been performed using data collected during Phase I of the GERmanium Detector Array (GERDA) ex…

nucl-ex2017

Background free search for neutrinoless double beta decay with GERDA Phase II

M. Agostini, M. Allardt, A. M. Bakalyarov +113

The Standard Model of particle physics cannot explain the dominance of matter over anti-matter in our Universe. In many model extensions this is a very natural consequence of neutr…

physics.ins-det2022

Pulse shape analysis in GERDA Phase II

The GERDA collaboration, M. Agostini, G. Araujo +113

The GERmanium Detector Array (GERDA) collaboration searched for neutrinoless double- decay in Ge using isotopically enriched high purity germanium detectors at the Labor…

nucl-ex2018

Improved limit on neutrinoless double beta decay of Ge from GERDA Phase II

M. Agostini, A. M. Bakalyarov, M. Balata +105

The GERDA experiment searches for the lepton number violating neutrinoless double beta decay of Ge (Ge Se + 2e) operating bare Ge diodes with…

nucl-ex2017

Searching for neutrinoless double beta decay with GERDA

GERDA Collaboration, M. Agostini, A. M. Bakalyarov +103

The GERmanium Detector Array (GERDA) experiment located at the INFN Gran Sasso Laboratory (Italy), is looking for the neutrinoless double beta decay of Ge76, by using high-purity g…

nucl-ex2025

Search for the in-situ production of Ge in the GERDA neutrinoless double-beta decay experiment

M. Agostini, A. Alexander, G. Araujo +108

The beta decay of Ge and Ge, both produced by neutron capture on Ge, is a potential background for Germanium based neutrinoless double-beta decay sea…

physics.ins-det2017

The Large Enriched Germanium Experiment for Neutrinoless Double Beta Decay (LEGEND)

LEGEND Collaboration, N. Abgrall, A. Abramov +230

The observation of neutrinoless double-beta decay (0) would show that lepton number is violated, reveal that neutrinos are Majorana particles, and provide information on ne…