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Identification of the New Isotope 244Md

Pore, J. L. ; Gates, J. M. ; Orford, R. ; Campbell, C. M. ; Clark, R. M. ; Crawford, H. L. ; Esker, N. E. ; Fallon, P. ; Gooding, J. A. and Kwarsick, J. T. , et al. (2020) In Physical Review Letters 124(25).
Abstract
In an experiment performed at Lawrence Berkeley National Laboratory’s 88-inch cyclotron, the isotope 244Md was produced in the 209Bi(40Ar,5n) reaction. Decay properties of 244Md were measured at the focal plane of the Berkeley Gas-filled Separator, and the mass number assignment of A = 244 was confirmed with the apparatus for the identification of nuclide A. The isotope 244Md is reported to have one, possibly two, α-decaying states with α energies of 8.66(2) and 8.31(2) MeV and half-lives of 0.4+0.4-0.1 and ∼6 s, respectively. Additionally, first evidence of the α decay of 236Bk was observed and is reported.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Decay spectroscopy, Mass number identification, Berkeley Gas-filled Separator, Alpha emitter
in
Physical Review Letters
volume
124
issue
25
article number
252502
pages
6 pages
publisher
American Physical Society
external identifiers
  • scopus:85087715171
  • pmid:32639781
ISSN
1079-7114
DOI
10.1103/PhysRevLett.124.252502
project
Characterization of New Superheavy Elements
Nuclear Structure at the Limits: Isotope-selective Spectroscopy
Decay Spectroscopy of Superheavy Nuclei
language
English
LU publication?
yes
additional info
The affiliations has been mixed up in the published article. Correct affiliation is entered in this post in Lucris
id
57ce8c45-85f5-438a-8584-9ff3515e842d
date added to LUP
2020-06-24 10:48:25
date last changed
2020-09-24 03:00:18
@article{57ce8c45-85f5-438a-8584-9ff3515e842d,
  abstract     = {In an experiment performed at Lawrence Berkeley National Laboratory’s 88-inch cyclotron, the isotope <sup>244</sup>Md was produced in the <sup>209</sup>Bi(<sup>40</sup>Ar,5n) reaction. Decay properties of <sup>244</sup>Md were measured at the focal plane of the Berkeley Gas-filled Separator, and the mass number assignment of <i>A </i>= 244 was confirmed with the apparatus for the identification of nuclide <i>A</i>. The isotope <sup>244</sup>Md is reported to have one, possibly two, α-decaying states with α energies of 8.66(2) and 8.31(2) MeV and half-lives of 0.4+0.4-0.1 and ∼6 s, respectively. Additionally, first evidence of the α decay of <sup>236</sup>Bk was observed and is reported.},
  author       = {Pore, J. L. and Gates, J. M. and Orford, R. and Campbell, C. M. and Clark, R. M. and Crawford, H. L. and Esker, N. E. and Fallon, P. and Gooding, J. A. and Kwarsick, J. T. and Macchiavelli, A O and Morse, C. and Rudolph, D. and Såmark-Roth, A. and Santamaria, C. and Shah, R. S. and Stoyer, M. A.},
  issn         = {1079-7114},
  language     = {eng},
  month        = {06},
  number       = {25},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Identification of the New Isotope <sup>244</sup>Md},
  url          = {https://lup.lub.lu.se/search/ws/files/80981619/JLPore_Md244_PhysRevLett.124.252502.pdf},
  doi          = {10.1103/PhysRevLett.124.252502},
  volume       = {124},
  year         = {2020},
}