Zobrazeno 1 - 10
of 314
pro vyhledávání: '"Düllmann, Ch."'
Autor:
Khuyagbaatar, J., Cantemir, R. A., Duellmann, Ch. E., Jaeger, E., Kindler, B., Krier, J., Kurz, N., Lommel, B., Schausten, B., Yakushev, A.
Publikováno v:
Phys. Rev. C 109 (2024) 034311
The radioactive decay properties of $^{242}$Es were studied with significantly improved statistics compared to available literature data. This isotope was produced in the 3n evaporation channel of the fusion reaction of $^{48}$Ca+$^{197}$Au. A half-l
Externí odkaz:
http://arxiv.org/abs/2408.01714
Autor:
Zitzer, G., Tiedau, J., Okhapkin, M. V., Zhang, K., Mokry, C., Runke, J., Düllmann, Ch. E., Peik, E.
Publikováno v:
Phys. Rev. A 109, 033116 (2024)
Sympathetic cooling of Th$^{3+}$ ions is demonstrated in an experiment where $^{229}$Th and $^{230}$Th are extracted from uranium recoil ion sources and are confined in a linear Paul trap together with laser-cooled $^{88}$Sr$^+$ ions. Because of thei
Externí odkaz:
http://arxiv.org/abs/2312.05106
Autor:
Au, M., Athanasakis-Kaklamanakis, M., Nies, L., Heinke, R., Chrysalidis, K., Köster, U., Kunz, P., Marsh, B., Mougeot, M., Schweikhard, L., Stegemann, S., Gracia, Y. Vila, Düllmann, Ch. E., Rothe, S.
Accelerator-based techniques are one of the leading ways to produce radioactive nuclei. In this work, the Isotope Separation On-Line method was employed at the CERN-ISOLDE facility to produce neptunium and plutonium from a uranium carbide target mate
Externí odkaz:
http://arxiv.org/abs/2303.12226
Autor:
Au, M., Athanasakis-Kaklamanakis, M., Nies, L., Ballof, J., Berger, R., Chrysalidis, K., Fischer, P., Heinke, R., Johnson, J., Köster, U., Leimbach, D., Marsh, B., Mougeot, M., Reilly, J., Reis, E., Schlaich, M., Schweiger, Ch., Schweikhard, L., Stegemann, S., Wessolek, J., Wienholtz, F., Wilkins, S. G., Wojtaczka, W., Düllmann, Ch. E., Rothe, S.
The use of radioactive molecules for fundamental physics research is a developing interdisciplinary field limited dominantly by their scarce availability. In this work, radioactive molecular ion beams containing actinide nuclei extracted from uranium
Externí odkaz:
http://arxiv.org/abs/2303.12215
Autor:
Adamczak, A., Antognini, A., Berger, N., Cocolios, T. E., Deokar, N., Düllmann, Ch. E., Eggenberger, A., Eichler, R., Heines, M., Hess, H., Indelicato, P., Kirch, K., Knecht, A., Krauth, J. J., Nuber, J., Ouf, A., Papa, A., Pohl, R., Rapisarda, E., Reiter, P., Ritjoho, N., Roccia, S., Seidlitz, M., Severijns, N., von Schoeler, K., Skawran, A., Vogiatzi, S. M., Warr, N., Wauters, F.
Publikováno v:
Eur. Phys. J. A 59, 15(2023)
Muonic atom spectroscopy -- the measurement of the x rays emitted during the formation process of a muonic atom -- has a long standing history in probing the shape and size of nuclei. In fact, almost all stable elements have been subject to muonic at
Externí odkaz:
http://arxiv.org/abs/2209.14365
Autor:
Mantegazzini, F., Barth, A., Dorrer, H., Düllmann, Ch. E., Enss, C., Fleischmann, A., Hammann, R., Kempf, S., Kieck, T., Kovac, N., Velte, C., Wegner, M., Wendt, K., Wickenhäuser, T., Gastaldo, L.
The ECHo experiment has been designed for the determination of the effective electron neutrino mass by means of the analysis of the end-point region of the Ho-163 electron capture spectrum. Metallic magnetic calorimeters enclosing Ho-163 are used for
Externí odkaz:
http://arxiv.org/abs/2111.09945
Autor:
Ballof, J., Au, M., Barbero, E., Chrysalidis, K., Düllmann, Ch. E., Fedosseev, V., Granados, E., Heinke, R., Marsh, B., Owen, M., Rothe, S., Stora, T., Yakushev, A.
The thick-target ISOL (Isotope mass Separation OnLine) method provides beams of more than 1000 radionuclides of 74 elements. The method is well established for elements with sufficiently high volatility at ca. 2000 {\deg}C. To extract non-volatile el
Externí odkaz:
http://arxiv.org/abs/2110.00651
A concept for the extraction of the most refractory elements at CERN-ISOLDE as carbonyl complex ions
Autor:
Ballof, J., Chrysalidis, K., Düllmann, Ch. E., Fedosseev, V., Granados, E., Leimbach, D., Marsh, B. A., Ramos, J. P., Ringvall-Moberg, A., Rothe, S., Stora, T., Wilkins, S. G., Yakushev, A.
We introduce a novel thick-target concept tailored to the extraction of refractory 4d and 5d transition metal radionuclides of molybdenum, technetium, ruthenium and tungsten for radioactive ion beam production. Despite the more than 60-year old histo
Externí odkaz:
http://arxiv.org/abs/2108.01745
Publikováno v:
Phys. Rev. Lett. 126, 182501 (2021)
In two recent papers by Pore et al. and Khuyagbaatar et al. discovery of the new isotope Md-244 was reported. The decay data, however, are conflicting. While Pore et al. report two isomeric states decaying by alpha emission with E(1)=8.66(2) MeV, T_1
Externí odkaz:
http://arxiv.org/abs/2101.06076
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