NUCLIDE Ground State
Nuclide
Element
Z
N
A
Z range
N range
A range
Z N A
Z N A
even
odd
Q-values • Separation Energies • Atomic Masses • Radius
Q(β)
≤ keV ≤
Q(EC)
≤ keV ≤
Q(α)
≤ keV ≤
Q(β-n)
≤ keV ≤
S(n)
≤ keV ≤
S(p)
≤ keV ≤
R
fm
Atomic mass AM
Binding per nucleon B/A
Excess mass EM
≤ μ AMU ≤
LEVELS
Energy
≤ keV ≤
HL
ms
≤
eV
keV
MeV
as
fs
ps
ns
μs
ms
s
min
h
d
y
y
eV
keV
MeV
as
fs
ps
ns
μs
ms
s
min
h
d
y
Stable
Isospin
Decays
≤ % ≤
Only G.S. and Metastable
β-
β- n
β- 2n
2β-
β- 3n
β- 4n
β- α
β- p
β+
β+ 2p
β+ α
β+ p
ec
2ec
ec β+
ec p
ec 2p
ec 3p
ec α
α
IT
SF
p
n
2p
12
C
14
C
20
Ne
24
Ne
28
Mg
34
Si
Mg
Ne
J
order
π
any
any
+
-
weak
Nuclear moments
Magn. dipole μ
≤ μ
N
≤
Electr. quad. Q
≤ barn ≤
GAMMA transitions
Energy
≤ keV ≤
End level en.
≤ keV ≤
J
order
π
any
any
+
-
weak
Conversion coeff. • Multipolarity • Mixing ratio
Conv. coeff.
≤ α ≤
Total
Total
K
L
M
N
N+
O
IP
P
M+
Q
Polarity
E0
E0
E1
E2
E4
E5
E6
M1
M2
M3
M4
M5
D
Q
≤ B ≤
no mix
no mix
any
mixed
Mixing ratio
≤ δ ≤
DECAY RADIATION
emitted by the daughter
any
α
β-
β+
γ
e
delayed
n
p
α
Energy
≤keV≤
Intensity
≤ % ≤
show only
most intense lines
process
any
Auger
Conv.el.
any
process
any
γ-ray
Ann.
X-ray
any
shell
any
K
L
any
shell
any
K
L
M
N
M+
N+
any
shell
any
K
Kα1
Kα2
Kβ1
Kβ2
Kβ3
L
any
Max energy
≤ keV ≤
≤ log FT ≤
Hindrance
≤ HF ≤
Order by:
Z A
Z
A
N
Q(β)
Q(α)
Q(EC)
Q(β n)
Sn
Sp
R
AM
E
T
1/2
BR
μ
Q
E
rad
I
rad
Log ft
HF
Eγ
α
B(E)
B(M)
δ
Plotting
X Axis
. . .
. . .
Z
A
N
Q(β)
Q(α)
Q(EC)
Q(β- n)
Sn
Sp
R
AM
E
T
1/2
BR
μ
Q
E
rad
I
rad
Log ft
HF
Eγ
α
B(E)
B(M)
δ
Y Axis
. . .
. . .
Z
A
N
Q(β)
Q(α)
Q(EC)
Q(β- n)
Sn
Sp
R
AM
E
T
1/2
BR
μ
Q
E
rad
I
rad
Log ft
HF
Eγ
α
B(E)
B(M)
δ
IAEA
Nuclear Data Section
Relational ENSDF
October 2024
snapshot
of the ENSDF database
maintained by the
International Nuclear
Structure and Decay
Data Network
under the
auspices of the IAEA
Examples
1
Ground States T
1/2
2
Sn for Led
3
Mixing ratio vs A
4
Delayed-n radiation
More examples ...
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Log X
Log Y
scatter
height
show data
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Ground States
Levels
Gammas
Decay Radiation