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Alpha-Photon Coincidence Spectroscopy Along Element 115 Decay Chains


  • Dirk Rudolph
  • Ulrika Forsberg
  • Pavel Golubev
  • Luis Sarmiento
  • A. Yakushev
  • L.-L. Andersson
  • A. Di Nitto
  • Ch.E. Düllmann
  • J.M. Gates
  • K.E. Gregorich
  • C.J. Gross
  • R.-D. Herzberg
  • F.P. Heßberger
  • J. Khuyagbaatar
  • J.V. Kratz
  • K. Rykaczewski
  • M. Schädel
  • Sven Åberg
  • D. Ackermann
  • M. Block
  • H. Brand
  • Gillis Carlsson
  • D. Cox
  • X. Derkx
  • K. Eberhardt
  • J. Even
  • Claes 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
  • Ingemar Ragnarsson
  • J. Runke
  • H. Schaffner
  • B. Schausten
  • P. Thörle-Pospiech
  • T. Torres
  • T. Traut
  • N. Trautmann
  • A. Türler
  • A. Ward
  • Daniel Ward
  • N. Wiehl

Summary, in English

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.

Publishing year







Acta Physica Polonica. Series B: Elementary Particle Physics, Nuclear Physics, Statistical Physics, Theory of Relativity, Field Theory



Document type

Journal article


Jagiellonian University, Cracow, Poland


  • Physical Sciences
  • Subatomic Physics


  • superheavy elements
  • element 115
  • alpha decay
  • gamma-ray spectroscopy

Conference name

XXXIII Mazurian Lakes Conference on Physics

Conference date

2013-09-01 - 2013-09-07

Conference place

Piaski, Poland




  • Nuclear Structure at the Limits: Isotope-selective Spectroscopy
  • Element 115

Research group

  • Nuclear Structure


  • ISSN: 0587-4254