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EDP Sciences, EPJ Web of Conferences, (66), p. 02036, 2014

DOI: 10.1051/epjconf/20146602036

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Spectroscopic Tools Applied to Element Z = 115 Decay Chains

Journal article published in 2014 by S. Å{berg, U. Forsberg, D. Rudolph, Khuyagbaatar Jadambaa, P. Golubev, L. G. Sarmiento, A. Di Nitto, A. Yakushev, C. H. E. Duellmann, L.-L. Andersson, C. J. Gross, A. Di Nitto, F. P. Heß}berger, Fritz-Peter Heßberger, R.-D. Herzberg and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Nuclides that are considered to be isotopes of element Z = 115 were produced in the reaction Ca-48 + Am-243 at the GSI Helmholtzzentrum fur Schwerionenforschung Darmstadt. The detector setup TASISpec was used. It was mounted behind the gas-filled separator TASCA. Thirty correlated alpha-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.