New isotopes identified at IRIS facility.
|
Isotope
|
Half-life (s)
|
Identification by
|
| 234 Ra |
30 (10) |
beta
|
| 233 Ra |
30 (5) |
beta
|
| 232 Fr |
5 (1) |
beta, gamma, X
|
| 185 Tl |
19.5 (5) |
alpha, beta, X
|
| 183 Tl |
9.7 (6) |
alpha, beta, X
|
| 182 Tl |
2.8 (6) |
alpha, beta
|
| 181 Tl |
3.4 (6) |
alpha, X
|
| 163 Lu |
246 (12) |
gamma, X
|
| 161 Lu |
72 (6) |
gamma, X
|
| 159 Lu |
12.3 (10) |
alpha, gamma, X
|
| 158 Lu |
10 (1) |
alpha, gamma, X
|
| 146 Dy |
32 (5) |
gamma, X
|
| 145 Dy |
18 (3) |
gamma, X
|
| 145 Tb |
29.5 (15) |
gamma, X
|
| 136 Sm |
42 (4) |
gamma, X
|
| 138m Pm |
10 (2) |
gamma, X
|
| 131m Pr |
6.5 (10) |
gamma, X
|
References:
- "New Neutron-deficient Lutetium Isotopes"
Z.Phys., A291, 397 (1979).
- "New isotope 159Lu and decay of 158Lu, 159,158Yb isotopes"
Z.Phys,
A295, 305 (1980).
- "Decay of new isotopes 160-163 Lu"
Acta Phys.Polonica, B11, 455 (1980).
- "New isotope 145Tb",
Acta Phys.Polonica, B12, 175 (1981)
- "New isotope 146Dy",
Acta Phys.Polonica, B12, 825 (1981).
- "New neutron deficient isotopes with mass numbers A=136 and A=145."
Z.Phys.A305,185(1982).
- "Search for delayed fission in neutron-rich nuclei",
Z.Phys. 337, 109
(1990).
- "The production of neutron-rich heavy nuclei of astrophysical interest at
IRIS - facility",
Nucl.Instr.Meth., B70, 69 (1992).
- "Identification of the new
Tl-nuclides at the proton drip-line",
Proceedings of the 6-th Int.
Conf. on Nuclei Far From Stability
and the 9-th Int. conf. on AMCO, held at
Bernkastel-Kues, Germany,
p.743 (1992).
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