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3 results on '"Schausten B"'

1. Fission in the landscape of heaviest elements: Some recent examples

Author

Khuyagbaatar J., Yakushev A., Düllmann Ch.E., Ackermann D., Andersson L.-L., Block M., Brand H., Even J., Forsberg U., Hartmann W., Herzberg R.-D., Heßberger F.P., Hoffmann J., Hübner A., Jäger E., Jeppsson J., Kindler B., Kratz J.V., Krier J., Kurz N., Lommel B., Maiti M., Minami S., Rudolph D., Runke J., Sarmiento L.G., Schädel M., Schausten B., Steiner J., Heidenreich T. Torres De, Uusitalo J., Wiehl N., and Yakusheva V.

Subjects
Physics, QC1-999
Abstract

The fission process still remains a main factor that determines the stability of the atomic nucleus of heaviest elements. Fission half-lives vary over a wide range, 10−19−1024 s. Present experimental techniques for the synthesis of the superheavy elements that usually measure α-decay chains are sensitive only in a limited range of half-lives, often 10−5−103 s. In the past years, measurement techniques for very short-lived and very long-lived nuclei were significantly improved at the gas-filled recoil separator TASCA at GSI Darmstadt. Recently, several experimental studies of fission-related phenomena have successfully been performed. In this paper, results on 254−256Rf and 266Lr are presented and corresponding factors for retarding the fission process are discussed.

Published
2016
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2. Spectroscopic Tools Applied to Element Z = 115 Decay Chains

Author

Forsberg U., Rudolph D., Golubev P., Sarmiento L.G., Yakushev A., Andersson L.-L., Nitto A. Di, Düllmann Ch.E., Gates J.M., Gregorich K.E., Gross C.J., Heßberger F.P., Herzberg R.-D., Khuyagbaatar J., Kratz J.V., Rykaczewski K., Schädel M., Åberg S., Ackermann D., Block M., Brand H., Carlsson B.G., Cox D., Derkx X., Eberhardt K., Even J., Fahlander C., Gerl J., Jäger E., Kindler B., Krier J., Kojouharov I., Kurz N., Lommel B., Mistry A., Mokry C., Nitsche H., Omtvedt J.P., Papadakis P., Ragnarsson I., Runke J., Schaffner H., Schausten B., Thörle-Pospiech P., Torres T., Traut T., Trautmann N., Türler A., Ward A., Ward D.E., and Wiehl and N.

Subjects
Physics, QC1-999
Abstract

Nuclides that are considered to be isotopes of element Z = 115 were produced in the reaction 48Ca + 243Am at the GSI Helmholtzzentrum für Schwerionenforschung Darmstadt. The detector setup TASISpec was used. It was mounted behind the gas-filled separator TASCA. Thirty correlated α-decay chains were found, and the energies of the particles were determined with high precision. Two important spectroscopic aspects of the offline data analysis are discussed in detail: the handling of digitized preamplified signals from the silicon strip detectors, and the energy reconstruction of particles escaping to upstream detectors relying on pixel-by-pixel dead-layer thicknesses.

Published
2014
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3. Spectroscopic Tools Applied to Element Z = 115 Decay Chains

Author

U. Forsberg, D. Rudolph, P. Golubev, L.G. Sarmiento, A. Yakushev, L.-L. Andersson, A. Di Nitto, Ch.E. Düllmann, J.M. Gates, K.E. Gregorich, C.J. Gross, F.P. Heßberger, R.-D. Herzberg, J. Khuyagbaatar, J.V. Kratz, K. Rykaczewski, M. Schädel, S. Åberg, D. Ackermann, M. Block, H. Brand, B.G. Carlsson, D. Cox, X. Derkx, K. Eberhardt, J. Even, C. Fahlander, J. Gerl, E. Jäger, B. Kindler, J. Krier, I. Kojouharov, N. Kurz, B. Lommel, A. Mistry, C. Mokry, H. Nitsche, J.P. Omtvedt, P. Papadakis, I. Ragnarsson, J. Runke, H. Schaffner, B. Schausten, P. Thörle-Pospiech, T. Torres, T. Traut, N. Trautmann, A. Türler, A. Ward, D.E. Ward, and N. Wiehl, Lunardi, S., Bizzeti, P.G., Bucci, C., Chiari, M., Dainese, A., Di Nezza, P., Menegazzo, R., Nannini, A., Signorini, C., Valiente-Dobon, J.J., Forsberg, U., Rudolph, D., Golubev, P., Sarmiento, L. G., Yakushev, A., Andersson, L. -L., Di Nitto, A., Dullmann, Ch. E., Gates, J. M., Gregorich, K. E., Gross, C. J., Hessberger, F. P., Herzberg, R. -D., Khuyagbaatar, J., Kratz, J. V., Rykaczewski, K., Schadel, M., Aberg, S., Ackermann, D., Block, M., Brand, H., Carlsson, B. G., Cox, D., Derkx, X., Eberhardt, K., Even, J., Fahlander, C., Gerl, J., Jager, E., Kindler, B., Krier, J., Kojouharov, I., Kurz, N., Lommel, B., Mistry, A., Mokry, C., Nitsche, H., Omtvedt, J. P., Papadakis, P., Ragnarsson, I., Runke, J., Schaffner, H., Schausten, B., Thorle-Pospiech, P., Torres, T., Traut, T., Trautmann, N., Turler, A., Ward, A., Ward, D. E., and Wiehl, N.

Subjects
Physics, Isotope, Silicon, Physics::Instrumentation and Detectors, QC1-999, Detector, Separator (oil production), Mechanical engineering, chemistry.chemical_element, 7. Clean energy, Nuclear physics, chemistry, Physical Sciences, Subatomic Physics, ddc:530, Decay chain, Nuclide, Nuclear Experiment, Line (formation)
Abstract

Nuclides that are considered to be isotopes of element Z = 115 were produced in the reaction 48Ca + 243Am at the GSI Helmholtzzentrum für Schwerionenforschung Darmstadt. The detector setup TASISpec was used. It was mounted behind the gas-filled separator TASCA. Thirty correlated α-decay chains were found, and the energies of the particles were determined with high precision. Two important spectroscopic aspects of the offline data analysis are discussed in detail: the handling of digitized preamplified signals from the silicon strip detectors, and the energy reconstruction of particles escaping to upstream detectors relying on pixel-by-pixel dead-layer thicknesses.

Published
2014

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