ADOPTED LEVELS, GAMMAS for 243Es
Authors: C.D. Nesaraja, E.A. Mccutchan | Citation: Nucl. Data Sheets 121, 695 (2014) | Cutoff date: 30-Sep-2013
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-4616 keV SY | S(n)= 8124 keV SY | S(p)= 1928 keV SY | Q(α)= 8072 keV 10 | ||
Reference: 2012WA38 |
References: | |||
A | 247Md α decay (1.2 S) | B | 247Md α decay (0.25 S) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0+X | A | (7/2+) | 21 s 2 % α = 61 6 % ε = 39 6 % SF < 1 | |||||
0.0+Y | B | (3/2-) | ||||||
X+52.1 | A | (9/2+) | ||||||
0.0+Z | B | (1/2-) | ||||||
X+209.6 | A | (7/2-) | 157.5 5 209.6 3 | 11 3 100 | (E1) | X+52.1 0.0+X | (9/2+) (7/2+) |
M(γ): From estimated conversion electrons in 247Md α decay (1.2 s).
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
X+209.6 | (7/2-) | 209.6 3 | (E1) | 0.1017 | α=0.1017, α(K)=0.0776 12, α(L)=0.0180 3, α(M)=0.00445 7, α(N)=0.001229 18, α(O)=0.000314 5, α(P)=5.57×10-5 8, α(Q)=2.26E-6 4 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
First identification: 1973Es02 using 233U(15N,5n) with excitation function.
Theoretical calculations:
2013Zd01: T1/2 for α decay calculated with phenomenological model based on Gamow theory with WKB approximation for Coulomb barrier penetration.
2012Po01: partial α decay T1/2 calculated with a universal decay law using α-like R matrix theory
2011Sa40: T1/2 and Q(α) calculated in the framework of the Coulomb and proximity potential model for deformed nuclei.
2010Ad19: low-lying one-quasi particle spectra and rotational bands calculated with a two-center shell model.
2008Th05: K x-ray energies calculated using a Dirac-Hartree Fock model.
2004Pa40: deformation parameters, pairing gap, single-particle energy levels, configurations calculated with a macroscopic-microscopic approach.
Q-value: ΔQ(β-)=299; ΔS(n)=329; ΔS(p)=207 (2012Wa38)
Q-value: S(2n)=15258 syst 306; S(2p)=5863 syst 288 (2012Wa38)