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First constraints on general neutrino interactions based on KATRIN data
M. Aker, D. Batzler, A. Beglarian +130
The precision measurement of the tritium -decay spectrum performed by the KATRIN experiment provides a unique way to search for general neutrino interactions (GNI). All theoreti…
Direct neutrino-mass measurement based on 259 days of KATRIN data
M. Aker, D. Batzler, A. Beglarian +146
The fact that neutrinos carry a non-vanishing rest mass is evidence of physics beyond the Standard Model of elementary particles. Their absolute mass bears important relevance from…
Cyclotron Radiation Emission Spectroscopy of Electrons from Tritium Beta Decay and Kr Internal Conversion
Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +54
Project 8 has developed a novel technique, Cyclotron Radiation Emission Spectroscopy (CRES), for direct neutrino mass measurements. A CRES-based experiment on the beta spectrum of…
Search for keV-scale Sterile Neutrinos with first KATRIN Data
M. Aker, D. Batzler, A. Beglarian +128
In this work we present a keV-scale sterile-neutrino search with the first tritium data of the KATRIN experiment, acquired in the commissioning run in 2018. KATRIN performs a spect…
Search for Lorentz-Invariance Violation with the first KATRIN data
M. Aker, D. Batzler, A. Beglarian +130
Some extensions of the Standard Model of Particle Physics allow for Lorentz invariance and Charge-Parity-Time (CPT)-invariance violations. In the neutrino sector strong constraints…
The Project 8 Neutrino Mass Experiment
Project 8 Collaboration, A. Ashtari Esfahani, S. Böser +45
Measurements of the spectrum of tritium give the most precise direct limits on neutrino mass. Project 8 will investigate neutrino mass using Cyclotron Radiation Emission Spec…
KATRIN: Status and Prospects for the Neutrino Mass and Beyond
M. Aker, M. Balzer, D. Batzler +159
The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T2 beta decay, with the primary goal of probi…
New Constraint on the Local Relic Neutrino Background Overdensity with the First KATRIN Data Runs
M. Aker, D. Batzler, A. Beglarian +129
We report on the direct cosmic relic neutrino background search from the first two science runs of the KATRIN experiment in 2019. Beta-decay electrons from a high-purity molecular…
Search for Zero-Neutrino Double Beta Decay in 76Ge with the Majorana Demonstrator
C. E. Aalseth, N. Abgrall, E. Aguayo +126
The \MJ\ Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-beta decay in Ge. The \MJ\ \DEM\ comprises 44.1~kg of Ge detectors…
A Dark Matter Search with MALBEK
G. K. Giovanetti, N. Abgrall, E. Aguayo +84
The MAJORANA DEMONSTRATOR is an array of natural and enriched high purity germanium detectors that will search for the neutrinoless double-beta decay of 76-Ge and perform a search…
Project 8: Determining neutrino mass from tritium beta decay using a frequency-based method
P. J. Doe, J. Kofron, E. L. McBride +19
A general description is given of Project 8, a new approach to measuring the neutrino mass scale via the beta decay of tritium. In Project 8, the energy of electrons emitted in bet…
The MAJORANA DEMONSTRATOR: Progress towards showing the feasibility of a tonne-scale 76Ge neutrinoless double-beta decay experiment
P. Finnerty, E. Aguayo, M. Amman +80
The MAJORANA DEMONSTRATOR will search for the neutrinoless double-beta decay of the 76Ge isotope with a mixed array of enriched and natural germanium detectors. The observation of…
The Majorana experiment: an ultra-low background search for neutrinoless double-beta decay
D. G. Phillips, E. Aguayo, F. T. Avignone +86
The observation of neutrinoless double-beta decay would resolve the Majorana nature of the neutrino and could provide information on the absolute scale of the neutrino mass. The in…
The Majorana Demonstrator
E. Aguayo, J. E. Fast, E. W. Hoppe +90
A brief review of the history and neutrino physics of double beta decay is given. A description of the MAJORANA DEMONSTRATOR research and development program including background r…
The MAJORANA Experiment
The MAJORANA Collaboration
The MAJORANA collaboration is actively pursuing research and development aimed at a tonne-scale 76Ge neutrinoless double-beta decay) experiment. The current, primary focus is the c…
The MAJORANA DEMONSTRATOR: A Search for Neutrinoless Double-beta Decay of Germanium-76
MAJORANA Collaboration, A. G. Schubert, E. Aguayo +90
The observation of neutrinoless double-beta decay would determine whether the neutrino is a Majorana particle and provide information on the absolute scale of neutrino mass. The MA…
Combined Analysis of all Three Phases of Solar Neutrino Data from the Sudbury Neutrino Observatory
SNO Collaboration, B. Aharmim, S. N. Ahmed +121
We report results from a combined analysis of solar neutrino data from all phases of the Sudbury Neutrino Observatory. By exploiting particle identification information obtained fr…
Depth Requirements for a Tonne-scale 76Ge Neutrinoless Double-beta Decay Experiment
The MAJORANA Collaboration, E. Aguayo, F. T. Avignone +90
Neutrinoless double-beta decay experiments can potentially determine the Majorana or Dirac nature of the neutrino, and aid in understanding the neutrino absolute mass scale and hie…
Measurement of the and Total B Solar Neutrino Fluxes with the Sudbury Neutrino Observatory Phase-III Data Set
B. Aharmim, S. N. Ahmed, J. F. Amsbaugh +147
This paper details the solar neutrino analysis of the 385.17-day Phase-III data set acquired by the Sudbury Neutrino Observatory (SNO). An array of He proportional counters was…
The Majorana Experiment
V. E. Guiseppe
The Majorana Collaboration is assembling an array of HPGe detectors to search for neutrinoless double-beta decay in Ge-76. Initially, Majorana aims to construct a prototype module…
Astroparticle Physics with a Customized Low-Background Broad Energy Germanium Detector
MAJORANA Collaboration, C. E. Aalseth, M. Amman +100
The MAJORANA Collaboration is building the MAJORANA DEMONSTRATOR, a 60 kg array of high purity germanium detectors housed in an ultra-low background shield at the Sanford Undergrou…
Solubility, Light Output and Energy Resolution Studies of Molybdenum-Loaded Liquid Scintillators
V. M. Gehman, P. J. Doe, R. G. H. Robertson +3
The search for neutrinoless double-beta decay is an important part of the global neutrino physics program. One double-beta decay isotope currently under investigation is 100Mo. In…
TThe {\sc Majorana} Project
The MAJORANA collaboration
The {\sc Majorana} Project, a neutrinoless double-beta decay experiment is described with an emphasis on the choice of Ge-detector configuration.
The MAJORANA DEMONSTRATOR: An R&D project towards a tonne-scale germanium neutrinoless double-beta decay search
Reyco Henning
The MAJORANA collaboration is pursuing the development of the so-called MAJORANA DEMONSTRATOR. The DEMONSTRATOR is intended to perform research and development towards a tonne-scal…