학술논문
ALPHA-PHOTON COINCIDENCE SPECTROSCOPY ALONG ELEMENT 115 DECAY CHAINS.
Document Type
Article
Author
RUDOLPH, D.; FORSBERG, U.; GOLUBEV, P.; SARMIENTO, L. G.; YAKUSHEV, A.; ANDERSSON, L.-L.; DI NITTO, A.; DÜLLMANN, CH. E.; GATES, J. M.; GREGORICH, K. E.; GROSS, C. J.; HERZBERG, R.-D.; HESSBERGER, F. P.; KHUYAGBAATAR, J.; KRATZ, J. V.; RYKACZEWSKI, K.; SCHÄDEL, M.; ÅBERG, S.; ACKERMANN, D.; BLOCK, M.
Source
Subject
*DECAY chains
*PHOTONS
*AMERICIUM isotopes
*CALCIUM isotopes
*SPECTRUM analysis
*NUCLEAR reactions
*SEPARATION of gases
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Language
ISSN
0587-4254
Abstract
Produced in the reaction 48Ca+ 243Am, thirty correlated α-decay chains were observed in an experiment conducted at the GSI Helmholzzentrum für Schwerionenforschung, Darmstadt, Germany. The decay chains are basically consistent with previous findings and are considered to originate from isotopes of element 115 with mass numbers 287, 288, and 289. A set-up aiming specifically for high-resolution charged particle and photon coincidence spectroscopy was placed behind the gas-filled separator TASCA. For the first time, γ rays as well as X-ray candidates were observed in prompt coincidence with the α-decay chains of element 115. [ABSTRACT FROM AUTHOR]