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Pavel Golubev

Pavel Golubev

Affiliated

Pavel Golubev

Investigation of the 244Pu(48Ca,xn)292-xFl reaction with the LBNL SHREC detector: Investigation of decay chains of isotopes of flerovium (Z = 114)

Author

  • J. M. Gates
  • R. Orford
  • D. Rudolph
  • A. T. Chemey
  • Roderick M. Clark
  • H. L. Crawford
  • P. Fallon
  • C. M. Folden
  • F. H. Garcia
  • P. Golubev
  • J.A. Gooding
  • K. E. Gregorich
  • R. A. Henderson
  • Y. Hrabar
  • A. S. Kirkland
  • M. McCarthy
  • J. A. Mildon
  • J. L. Pore
  • C. Porzio
  • E. Rice
  • L. G. Sarmiento
  • M. A. Stoyer
  • K. Thomas
  • P. T. Wooddy
Show all

Summary, in English

The 244Pu(48Ca,xn)292-xFl reaction was investigated at Lawrence Berkeley National Laboratory's 88 Inch Cyclotron using the Berkeley Gas-filled Separator (BGS), the newly installed SuperHeavy RECoil (SHREC) detector, along with an upgraded digital electronics and data acquisition system. Seven decay chains were observed starting with an evaporation residue (EVR) followed by a single α decay and a spontaneous fission (SF). The decay characteristics of these seven decay chains led to an assignment to 288Fl, the product of the 4n reaction channel. Two additional chains were (tentatively) assigned to the decay of the 3n exit channel, 289Fl. Cross sections for the 4n and 3n exit channels were  σprod=6.7(3625) pb and σprod=1.6(2211) pb, respectively. Another decay chain, tentatively assigned to the 5n exit channel through the 48Ca+244Pu reaction or the 3n exit channel of the 48Ca+242Pu reaction, was also detected. Detailed information regarding the observed decay chains and their nuclear structure aspects are discussed, along with the performance of the BGS and the new detection system.

Department/s

  • Particle and nuclear physics

Publishing year

2026

Language

English

Publication/Series

Physical Review C

Volume

113

Issue

2

Full text

Document type

Article

Publisher

American Physical Society

Topic

  • Subatomic Physics

Keywords

  • Superheavy elements
  • Nuclear reactions
  • Nuclear structure
  • Radiation detectors
  • SDG 17 - Partnerships for the Goals

Status

Published

Project

  • Characterization of New Superheavy Elements
  • Heavy Element Research at LBNL 88-Inch Cyclotron
  • Superheavy Element Research at Lawrence Berkeley National Laboratory

ISBN/ISSN/Other

  • ISSN: 2469-9985