Erratum to: “Development of a Super-Stable Datum Point for Monitoring the Energy Scale of Electron Spectrometers in the Energy Range up to 20 keV” by D. Vénos, M. Zbořil, J. Kašpar, O. Dragoun, J. Bonn, A. Kovalík, O. Lebeda, N. A. Lebedev, M. Ryšavý, K. Schlösser, A. Špalek, and Ch. Weinheimer, Vol. 53, No. 3, pp. 305–312, July, 2010

Vénos, D.; Zbořil, M.; Kašpar, J.; Dragoun, O.; Bonn, J.; Kovalı́k, A.; Lebeda, O.; Lebedev, N.A.; Ryšavý, M.; Špalek, A.; Weinheimer, C.

doi:10.1007/s11018-010-9545-3

Cited by 18 publications

(6 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, portions of about 7% and 10% of the incident 83 Sr and 85 Sr ions, respectively, were found in the surface contamination layers which exhibit different physicochemical properties than the corresponding bulk foil material. The above number was experimentally proved in the case of the implantation of 83 Rb into the similar Pt foil [25,26].…”

Section: Methodsmentioning

confidence: 80%

“…In order to achieve this upper mass limit, a long-term stability of the energy scale of the main KATRIN electrostatic retardation β-ray spectrometer at the level of ±3 ppm (i. e., ±60 meV at 18.6 keV) for at least 2 months of continuous measurements is required. In this regard, suitability of the K-32 conversion electrons (kinetic energy of 17.8 keV) of 83m Kr (generated in the EC decay of 83 Rb) for monitoring of the KATRIN spectrometer energy scale stability was extensively studied in [25,26]. The results obtained unambiguously indicated that the electron sources prepared by 83 Rb ion implantation into metallic matrices should be preferred.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The KLM + KLN Auger electron spectrum of rubidium in different matrices

Inoyatov¹,

Kovalı́k²,

Perevoshchikov³

et al. 2017

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

The KLM + KLN Auger electron spectrum of rubidium (Z = 37) emitted in the electron capture decay of radioactive 83 Sr in a polycrystalline platinum matrix and also 85 Sr in polycrystalline platinum and carbon matrices as well as in an evaporated layer onto a carbon backing were experimentally studied in detail for the first time using a combined electrostatic electron spectrometer. Energies, relative intensities, and natural widths of fifteen basic spectrum components were determined and compared with both theoretical predictions and experimental data for krypton (Z = 36). Relative spectrum line energies obtained from the semi-empirical calculations in intermediate coupling scheme were found to agree within 3σ with the measured values while disagreement with experiment exceeding 3σ was often observed for values obtained from our multiconfiguration Dirac-Hartree-Fock calculations. The absolute energy of the dominant spectrum component given by the semi-empirical approach agrees within 1σ with the measured value. Shifts of +(0.2 ± 0.2) and −(1.9 ± 0.2) eV were measured for the dominant KLM spectrum components between the 85 Sr sources prepared by vacuum evaporation on and implanted into the carbon foil, respectively, relative to 85 Sr implanted into the platinum foil. A value of (713 ± 2) eV was determined for the energy difference of the dominant components of the KLM + KLN Auger electron spectra of rubidium and krypton generated in the polycrystalline platinum matrix. From the detailed analysis of the measured data and available theoretical results, the general conclusion can be drawn that the proper description of the KLM + KLN Auger electron spectrum for Z around 37 should still be based on the intermediate coupling of angular momenta taking into account relativistic effects.

show abstract

Section: Methodsmentioning

confidence: 80%

Section: Introductionmentioning

confidence: 99%

The KLM + KLN Auger electron spectrum of rubidium in different matrices

Inoyatov¹,

Kovalı́k²,

Perevoshchikov³

et al. 2017

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

show abstract

“…The systematic measurements of the energy stability of the 83m Kr conversion lines, carried out at the Mainz MAC-E filter spectrometer, were started with 83 Rb/ 83m Kr sources prepared by vacuum evaporation of 83 Rb onto carbon substrate. In the course of these measurements, which are reported elsewhere [28,29,30], it was realised that the sources fulfil the requirements for the time stability of the conversion line energy but exhibit only moderate retention of 83m Kr of about 15 %. The retention of 83m Kr represents the portion of 83m Kr atoms retained in the solid matrix of the source and thus useful for the calibration purposes.…”

Section: Implanted 83 Rb/ 83m Kr Sourcementioning

confidence: 93%

Electron [sup 83]Rb∕[sup 83m]Kr Source for the Energy Scale Monitoring in the KATRIN Experiment

Zbořil¹,

Civitarese²,

Štekl³

et al. 2011

AIP Conference Proceedings

View full text Add to dashboard Cite

The KATRIN experiment aims at the direct model-independent determination of the average electron neutrino mass via the measurement of the endpoint region of the tritium beta decay spectrum. The electron spectrometer of the MAC-E filter type is used, requiring very high stability of the electric filtering potential. This work proves the feasibility of implanted 83 Rb/ 83m Kr calibration electron sources which will be utilised in the additional monitor spectrometer sharing the high voltage with the main spectrometer of KATRIN. The source employs conversion electrons of 83m Kr which is continuously generated by 83 Rb. The K-32 conversion line (kinetic energy of 17.8 keV, natural line width of 2.7 eV) is shown to fulfill the KATRIN requirement of the relative energy stability of ±1.6 ppm/month. The sources will serve as a standard tool for continuous monitoring of KATRIN's energy scale stability with sub-ppm precision. They may also be used in other applications where the precise conversion lines can be separated from the low energy spectrum caused by the electron inelastic scattering in the substrate.

show abstract

“…For this reason rubidium is vacuum evaporated onto a backing of Highly Oriented Pyrolytic Graphite (HOPG) or rigid graphite by the Nuclear Physics Institute Řež/Prague. Thereby roughly a mono-layer 83 Rb is placed onto the graphite [8]. Energy losses of electrons traveling through this layer are negligible.…”

Section: Rb\ 83m Kr Sourcesmentioning

confidence: 99%

Characterization of the Detector Response to Electrons of Silicon Drift Detectors for the TRISTAN Project

Lebert,

Brunst,

Houdy

et al. 2020

Preprint

View full text Add to dashboard Cite

Right-handed neutrinos are a natural extension of the Standard Model of particle physics. Such particles would only interact through the mixing with the left-handed neutrinos, hence they are called sterile neutrinos. If their mass were in the keV-range they would be Dark Matter candidates. By investigating the electron spectrum of the tritium β-decay the parameter space with masses up to the endpoint of 18.6 keV can be probed. A sterile neutrino manifests as a kink-like structure in the spectrum. To achieve this goal the TRISTAN project develops a new detector system for the KATRIN experiment that can search for these new particles using the silicon drift detector technology. One major effect on the performance of the detectors is the so called dead layer. Here, a new characterization method for the prototype detectors is presented using the 83m Kr decay conversion electrons. By tilting the detector its effective dead layer increases, which leads to different peak positions. The difference of peak positions between two tilting angles is independent of source effects and is thus suitable for characterization. A dead layer is then extracted by comparing the measurements to Monte-Carlo simulations. A dead layer in the order of 50 nm was found.

show abstract

Abstract: The long-term energy stability of the 7.5 keV and 17.8

Cited by 18 publications

References 15 publications

The KLM + KLN Auger electron spectrum of rubidium in different matrices

The KLM + KLN Auger electron spectrum of rubidium in different matrices

Electron [sup 83]Rb∕[sup 83m]Kr Source for the Energy Scale Monitoring in the KATRIN Experiment

Characterization of the Detector Response to Electrons of Silicon Drift Detectors for the TRISTAN Project

Contact Info

Product

Resources

About