Arnulf Barth
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View article: Improved limit on the effective electron neutrino mass with the ECHo-1k experiment
Improved limit on the effective electron neutrino mass with the ECHo-1k experiment Open
The effective electron neutrino mass can be determined by analyzing the endpoint region of the $^{163}$Ho electron capture spectrum, provided a measurement with high energy resolution and high statistics using calorimetric techniques. Here…
View article: Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters
Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters Open
Using dilute silver erbium alloys as a paramagnetic temperature sensor in metallic magnetic calorimeters (MMCs) has the advantage of the host material not having a nuclear quadrupole moment, in contrast to the alternative of using gold erb…
View article: From ECHo-1k to ECHo-100k:Optimization of High-Resolution Metallic Magnetic Calorimeters with Embedded 163Ho for Neutrino Mass Determination
From ECHo-1k to ECHo-100k:Optimization of High-Resolution Metallic Magnetic Calorimeters with Embedded 163Ho for Neutrino Mass Determination Open
The ECHo experiment aims at determining the effective electron neutrino mass by analyzing the endpoint of the 163 Ho electron capture spectrum. High energy resolution detectors with a well-tailored detector response are the essential ingre…
View article: The Electron Capture in 163 Ho Experiment - a Short Update
The Electron Capture in 163 Ho Experiment - a Short Update Open
The definition of the absolute neutrino mass scale is one of the main goals of the Particle Physics today. \nThe study of the end-point regions of the $\\beta$- and electron capture (EC) spectrum offers a possibility to determine the effec…
View article: Study of naturally occurring radionuclides in the ECHo set-up
Study of naturally occurring radionuclides in the ECHo set-up Open
The determination of the effective electron neutrino mass by analyzing the end point region of the $$^{163}$$ Ho electron capture (EC) spectrum relies on the precise description of the expected $$^{163}$$ Ho events and background eve…
View article: Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters - Data
Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters - Data Open
Data from simulations of the specific heat and magnetization of Ag:Er alloys. The parameter range we consider are temperatures between 1mK and 1K, external magnetic fields of up to 20mT, and erbium concentrations of up to 2000ppm.
View article: Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters - Data
Numerical Calculation of the Thermodynamic Properties of Silver Erbium Alloys for Use in Metallic Magnetic Calorimeters - Data Open
Data from simulations of the specific heat and magnetization of Ag:Er alloys. The parameter range we consider are temperatures between 1mK and 1K, external magnetic fields of up to 20mT, and erbium concentrations of up to 2000ppm.
View article: Multichannel read-out for arrays of metallic magnetic calorimeters
Multichannel read-out for arrays of metallic magnetic calorimeters Open
Metallic magnetic micro-calorimeters (MMCs) operated at millikelvin\ntemperature offer the possibility to achieve eV-scale energy resolution with\nhigh stopping power for X-rays and massive particles in an energy range up to\nseveral tens …
View article: High-resolution and low-background $$^{163}$$Ho spectrum: interpretation of the resonance tails
High-resolution and low-background $$^{163}$$Ho spectrum: interpretation of the resonance tails Open
The determination of the effective electron neutrino mass via kinematic analysis of beta and electron capture spectra is considered to be model-independent since it relies on energy and momentum conservation. At the same time the precise d…