Výsledky vyhledávání - "Düllmann, C. E."

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The Electron Capture $^{163}$Ho Experiment ECHo

Autor: Blaum, K., Doerr, A., Duellmann, C. E., Eberhardt, K., Eliseev, S., Enss, C., Faessler, A., Fleischmann, A., Gastaldo, L., Kempf, S., Krivoruchenko, M., Lahiri, S., Maiti, M., Novikov, Yu. N., Ranitzsch, P. C. -O., Simkovic, F., Szusc, Z., Wegner, M.

The determination of the absolute scale of the neutrino masses is one of the most challenging questions in particle physics. Different approaches are followed to achieve a sensitivity on neutrino masses in the sub-eV range. Among them, experiments ex

Externí odkaz: http://arxiv.org/abs/1306.2655

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Holmium-166m measurements with AMS for the ECHo-project

Autor: Rugel, G., Berndt, S., Düllmann, C. E., Dorrer, H., Forstner, O., Kieck, T., Kneip, N., Lachner, J., Merchel, S., Vivo Vilches, C., Wallner, A., Wendt, K.

Publikováno v: The 15th International Conference on Accelerator Mass Spectrometry (AMS-15), 15.-19.11.2021, Sydney, Australien

The Electron Capture in ¹⁶³Ho experiment (ECHo) aims at measuring the mass of the electron neutrino by analysing the EC spectrum of the long-lived radionuclide ¹⁶³Ho (T_1/2 = 4570 a) with a metallic magnetic calorimeter (MMC). For the determi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::7726128f651ec4ef92a575a594c1ffe1
https://www.hzdr.de/publications/Publ-33302-1

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Low-level ¹⁶⁶mHo measurements with AMS for the ECHo-project

Autor: Rugel, G., Berndt, S., Düllmann, C. E., Dorrer, H., Forstner, O., Kieck, T., Kneip, N., Lachner, J., Merchel, S., Vivo Vilches, C., Wallner, A., Wendt, K.

Publikováno v: DPG-Tagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP), 20.-24.09.2021, Kaiserslautern, Deutschland

The Electron Capture in ¹⁶³Ho experiment (ECHo) aims at measuring the mass of νe by analysing the EC spectrum of the long-lived radionuclide ¹⁶³Ho (T1/2=4570 a) with a metallic magnetic calorimeter (MMC). For the determination of a reasonabl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::fbec6cb2dad6c64468161db598733284
https://www.hzdr.de/publications/Publ-33108-1

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Improved 242Pu(n,γ) thermal cross section combining activation and prompt gamma analysis

Autor: Lerendegui-Marco, J., Guerrero, C., Belgya, T., Maróti, B., Eberhardt, K., Düllmann, C. E., Junghans, A. R., Mokry, C., Quesada, J. M., Runke, J., Thörle-Pospiech, P.

Publikováno v: European Physical Journal A 55(2019), 63

A good knowledge of the radiative capture cross section of 242Pu is required for innovative nuclear reactor studies, especially for MoX fuel reactors. However, the experimental data available show discrepancies in the energy regions of interest: the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::96decb1d5d6cd3c044e05fddfd21e31a
https://www.hzdr.de/publications/Publ-29278-1

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Fast-neutron-induced fission cross section of Pu(242) measured at the neutron time-of-flight facility nELBE

Autor: Kögler, T., Junghans, A. R., Beyer, R., Dietz, M., Düllmann, C. E., Eberhardt, K., Lorenz, C., Müller, S. E., Nolte, R., Reinhardt, T. P., Schmidt, K., Runke, J., Schwengner, R., Takacs, M., Vascon, A., Wagner, A.

Publikováno v: Physical Review C 99(2019)2, 024604

The fast-neutron-induced fission cross section of ²⁴²Pu was measured at the neutron time-of-flight facility nELBE. A parallel-plate fission ionization chamber with novel, homogeneous, large-area ²⁴²Pu deposits on Si-wafer backings was used to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::037c52d3d397c0e67620e5cb7d7aaaca
https://www.hzdr.de/publications/Publ-28878-1

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Production and Characterization of the 163Ho Source for the ECHo Project

Autor: Wendt, K., Düllmann, C. E., Kieck, T., Dorrer, H., Mokry, C., Rugel, G., Wiescher, F., Merchel, S., Forstner, O.

Publikováno v: Workshop on Ion and Particle Beams (Ionenstrahl Workshop), 24.-25.03.2018, Darmstadt, Deutschland

The ECHo (Electron Capture in Holmium Experiment) collaboration aims at measuring the electron neutrino mass by recording the spectrum following electron capture of 163Ho using metallic magnetic calorimeters. The radioisotope 163Ho (t1/2 = 4570 a) is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::06751083db3f066eed32f9e5d470fe0b
https://www.hzdr.de/publications/Publ-27288-1

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Quantitative molecular plating of large-area 242Pu Targets with improved layer properties

Autor: Vascon, A., Runke, J., Trautmann, N., Cremer, B., Eberhardt, K., Düllmann, C. E.

Publikováno v: Applied Radiation and Isotopes 95(2015), 36-43

For measurements of the neutron-induced fission cross section of 242Pu, large-area (42 cm2) 242Pu targets were prepared on Ti-coated Si wafers by means of constant current density molecular plating. Radiochemical separations were performed prior to t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::009eaa67710f911d550097d3965b7746
https://www.hzdr.de/publications/Publ-21049-1

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