ADOPTED LEVELS for 259Sg

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 114, 1041 (2013) |  Cutoff date: 1-Aug-2011 

 Full ENSDF file | Adopted Levels (PDF version) 


S(n)= 6755 keV SYS(p)= 2528 keV SYQ(α)= 9804 keV 21
Reference: 2012WA38

References:
  A  263Hs α decay  B  208Pb(52Cr,n)

General Comments:

Calculations, compilations:

Favored α decay: 1993Bu09

g.s. properties: 1997Mo25, 1995Mo29

Pion decay: 1991Io03, 1988Io05

Single-particle levels: 2005Pa73, 1994Cw02

Half-life, Q(α): 2010Si27, 2008Do12, 2008Ro06, 2007Zh41, 2004Ro21.

Half-life, Eα: 2009Do22

1994Cw02 calculate the following single-particle level sequence: g.s. 1/2[620], 0.07 MeV, 3/2[622; , 0.13 MeV, 11/2[725]; 0.25 MeV , 7/2[613]; 0.45 MeV, 9/2[734]; 0.61 MeV, 9/2[615].

2011Ca08: 209Bi(51V,n), 208Pb(52Cr,n)

2010Wa39: 208Pb(52Cr,n)

2005Zu02: 208Pb(54Cr,3n)

2005Za07: Synthesis of superheavy nuclei (Review article).

Assignment: 207Pb(54Cr,2n), parent of 255Rf (observed SF activity attributed to 255Rf) (1984De07 and 1985Mu11).

Assignment of 7-ms activity to 259Sg in 1974OgZX was not confirmed by 1984De07 and 1985Mu11.

Q-value: Estimated ΔS(n)=429, ΔS(p)=327 (2012Wa38)





E(level)
(keV)
XREF T1/2(level)
  0.0AB 0.29 s 5 
% α = 90 10
% SF < 20
% ε ≤ 13

Back to top

Back to top

Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.0 0.29 s 5 
% α = 90 10
% SF < 20
% ε ≤ 13
Deduced from Q(β-)values: T1/2(α)=0.6 s, T1/2(ε+β+)=7 s, T1/2(SF)=80 s (1995KoZL).

Back to top