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Title: Development of Holmium-163 electron-capture spectroscopy with transition-edge sensors

Journal Article · · Journal of Low Temperature Physics

Calorimetric decay energy spectroscopy of electron-capture-decaying isotopes is a promising method to achieve the sensitivity required for electron neutrino mass measurement. The very low total nuclear decay energy (QEC < 3 keV) and short half-life (4570 years) of 163Ho make it attractive for high-precision electron-capture spectroscopy (ECS) near the kinematic endpoint, where the neutrino momentum goes to zero. In the ECS approach, an electron-capture-decaying isotope is embedded inside a microcalorimeter designed to capture and measure the energy of all the decay radiation except that of the escaping neutrino. We have developed a complete process for proton irradiation-based isotope production, isolation, and purification of 163Ho. We have developed transition-edge sensors for this measurement and methods for incorporating 163Ho into high-resolution microcalorimeters, and have measured the electron-capture spectrum of 163Ho. Finally, we present our work in these areas and discuss the measured spectrum and its comparison to current theory.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1334142
Report Number(s):
LA-UR-15-27688
Journal Information:
Journal of Low Temperature Physics, Vol. 184, Issue 3-4; ISSN 0022-2291
Publisher:
Plenum PressCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

References (22)

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Improved description of one- and two-hole excitations after electron capture in Ho 163 and the determination of the neutrino mass journal April 2015
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Direct Measurement of the Mass Difference of Ho 163 and Dy 163 Solves the Q -Value Puzzle for the Neutrino Mass Determination journal August 2015
Isolation of 163Ho from dysprosium target material by HPLC for neutrino mass measurements journal January 2015
Radiation induced effects on mechanical properties of nanoporous gold foams journal June 2014
HOLMES: The electron capture decay of $$^{163}$$ 163 Ho to measure the electron neutrino mass with sub-eV sensitivity journal March 2015
Current Direct Neutrino Mass Experiments journal January 2013
Integration of Radioactive Material with Microcalorimeter Detectors journal December 2013
Examination of the calorimetric spectrum to determine the neutrino mass in low-energy electron capture decay journal March 2015
The Electron Capture $$^{163}$$ 163 Ho Experiment ECHo journal May 2014
Electron capture in 163 Ho, overlap plus exchange corrections and neutrino mass journal December 2014
Evaluation of 163Ho production options for neutrino mass measurements with microcalorimeter detectors journal September 2013
Development of Metallic Magnetic Calorimeters for High Precision Measurements of Calorimetric 187Re and 163Ho Spectra journal February 2012
Determination of the neutrino mass by electron capture in Ho 163 and the role of the three-hole states in Dy 163 journal June 2015
Calorimetric measurements of 163holmium decay as tools to determine the electron neutrino mass journal December 1982
Measurement of the 240 Pu/ 239 Pu Mass Ratio Using a Transition-Edge-Sensor Microcalorimeter for Total Decay Energy Spectroscopy journal March 2015
Analytical function for fitting peaks in alpha-particle spectra from Si detectors journal January 1987
Current Direct Neutrino Mass Experiments text January 2013
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Electron Capture in 163Ho and Overlap plus Exchange Corrections and the Neutrino Mass text January 2014
Examination of the calorimetric spectrum to determine the neutrino mass in low-energy electron capture decay text January 2014

Cited By (16)

Review of absolute neutrino mass measurements journal November 2018
Identification and investigation of possible ultra-low Q value β decay candidates journal April 2019
Design and characterization of Ion sources for CHIP-TRAP journal August 2019
The HOLMES Experiment journal February 2016
MetroMMC: Electron-Capture Spectrometry with Cryogenic Calorimeters for Science and Technology journal December 2019
A practical superconducting-microcalorimeter X-ray spectrometer for beamline and laboratory science journal May 2017
Measuring the electron neutrino mass with improved sensitivity: the HOLMES experiment journal February 2017
Working principle and demonstrator of microwave-multiplexing for the HOLMES experiment microcalorimeters journal October 2019
High-resolution and low-background $$^{163}$$163Ho spectrum: interpretation of the resonance tails journal December 2019
The Use of Low Temperature Detectors for Direct Measurements of the Mass of the Electron Neutrino journal January 2016
Production and separation of 163Ho for nuclear physics experiments journal August 2018
MetroMMC: Electron-Capture Spectrometry with Cryogenic Calorimeters for Science and Technology other January 2019
High-resolution and low-background $^{163}$Ho spectrum: interpretation of the resonance tails text January 2019
MetroMMC: Electron-Capture Spectrometry with Cryogenic Calorimeters for Science and Technology text January 2020
The use of low temperature detectors for direct measurements of the mass of the electron neutrino text January 2015
Working principle and demonstrator of microwave-multiplexing for the HOLMES experiment microcalorimeters text January 2019

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