Author: Balraj Singh |  Citation: Nucl. Data Sheets 156, 70 (2019) |  Cutoff date: 31-Jan-2019 

 Full ENSDF file | Adopted Levels (PDF version) 

Q(β-)=-1950 keV SYS(n)= 5540 keV SYS(p)= 1930 keV SYQ(α)= 10600 keV SY
Reference: 2017WA10

  A  278Rg α decay (4.2 MS) 

General Comments:

2007Og02, 2013Og01 (also 2011Og07, 2012OgZZ, 2007Og05, 2007Og01): 274Mt produced as α grand-daughter of 282Nh formed in 237Np(48Ca,3n),E=244 MeV at FLNR-JINR-Dubna, in collaboration with LLNL. See 282Nh Adopted Levels for details of two decay chains observed.

For theoretical studies, consult Nuclear Science References (NSR) database at NNDC, BNL for 39 primary references dealing with the half-lives and other aspects of nuclear structure in this mass region

Q-value: Estimated uncertainties (2017Wa10): ΔQ(β-)=530, ΔS(n)=550, ΔS(p)=510, ΔQ(α)=210.

Q-value: S(2n)=12480 600, S(2p)=6120 640 (syst, 2017Wa10)

Q-value: Other Q(α)=10.2 MeV 11 (2017Og01 review from Eα=10.0 MeV 11; also 9.90 MeV 10 from Eα=9.76 MeV 10 (2007Og02).

XREF T1/2(level)
  0A 0.44 s +81-17 
% SF = ?
% α ≈ 100

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Additional Level Data and Comments:

  0 0.44 s +81-17 
% SF = ?
% α ≈ 100
Only the α decay mode observed with no SF events detected.
E(level): Only the α decay mode observed with no SF events detected.

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