Nuclear Data Sheets for A=218

Journal Article · Sun Sep 15 04:00:00 EDT 2019 · Nuclear Data Sheets

DOI:https://doi.org/10.1016/J.NDS.2019.100524· OSTI ID:22879548

Singh, Balraj ^[1]; Basunia, M. S. ^[2]; Martin, Murray ^[3]; McCutchan, E. A. ^[4]; Bala, Indu ^[5]; Caballero-Folch, R. ^[6]; Canavan, Rhiann ^[7]; Teddington, N. P.L. ^[8]; Chakrabarti, Ritwika ^[9]; Chekhovska, A. ^[10]; Grinder, M. M. ^[11]; Kaim, Samra ^[12]; Kanjilal, Debasmita ^[13]; Kasperovych, D. ^[14]; Kobra, M. J. ^[15]; Koura, H. ^[16]; Nandi, Soumen ^[17]; Olacel, Adina ^[18]; Singh, Abhilasha ^[19]; Tee, B. P.E. ^[20]

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1. McMaster University, Hamilton, ON (Canada)
2. Lawrence Berkeley National Laboratory, Berkeley, CA (United States)
3. Oak Ridge National Laboratory, Oak Ridge, TN (United States)
4. National Nuclear Data Center, Brookhaven National Laboratory, Upton, NY (United States)
5. Inter-University Accelerator Centre, New-Delhi (India)
6. TRIUMF, Vancouver, BC (Canada)
7. University of Surrey, Guildford (United Kingdom)
8. United Kingdom
9. University of Mumbai, Mumbai (India)
10. Kharkov Institute of Physics and Technology, Kharkiv (Ukraine)
11. NSCL, Michigan State University, East Lansing, MI (United States)
12. Universite Freres Mentouri Constantine 1, Constantine (Algeria)
13. Raiganj Surendranath Mahavidyalaya, Raiganj (India)
14. Institute for Nuclear Research, National Academy of Sciences, Kiev (Ukraine)
15. Department of Physics, Rajshahi University, Rajshahi (Bangladesh)
16. Japan Atomic Energy Agency, Tokai, Ibaraki (Japan)
17. Variable Energy Cyclotron Centre, Kolkata (India)
18. Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest (Romania)
19. CEA, LIST, Laboratoire National Henri Becquerel (LNE-LNHB), CEA-Saclay 91191 Gif/Yvette cedex (France)
20. Australian National University, Canberra, ACT (Australia)

The evaluated data are presented for 11 known A=218 nulcides (Pb, Bi, Po, At, Rn, Fr, Ra, Ac, Th, Pa and U). For {sup 218}Pb, {sup 218}Bi, {sup 218}At and {sup 218}Pa, data are available only for the ground states. For {sup 218}U, only the g.s. and a high-spin isomer are known, with no data on γ-ray transitions available. For {sup 218}Po, ten excited states are known from {sup 218}Bi decay, with no knowledge on the multipolarities of gamma-ray transitions. For {sup 218}Th, five excited states in the g.s. band are known from an in-beam γ-ray study. Data on level half-lives, multipolarities and mixing ratios of gamma transitions is generally lacking for A=218 nuclei. The static magnetic dipole moment has been measured for only an isomer in {sup 218}Fr. With the exception of a new nuclide, {sup 218}Pb, and measurements of half-lives of ground states of a few nuclides of A=218 and A=222, no substantial structure information has become available since the previous evaluation in 2006. Q values are adopted from 2017Wa10 (AME-2016). The present evaluation supersedes the previous A=218 ENSDF evaluations, 2006Ja03, 1995El08, 1987El12 and 1977To13. This evaluation was carried out as part of a joint IAEA-ICTP workshop for Nuclear Structure and Decay Data, organized and hosted by the IAEA, Vienna, and ICTP, Trieste, October 15–26, 2018.

• OSTI ID: 22879548
• Journal Information: Nuclear Data Sheets, Journal Name: Nuclear Data Sheets Vol. 160; ISSN NDTSBA; ISSN 0090-3752
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIUM 218
ASTATINE 218
BISMUTH 218
EVALUATION
EXCITED STATES
FRANCIUM 218
GAMMA RADIATION
GROUND STATES
NUCLEAR DECAY
NUCLEAR STRUCTURE
POLONIUM 218
PROTACTINIUM 218
RADIUM 218
RADON 218
THORIUM 218
URANIUM 218