ADOPTED LEVELS, GAMMAS for 120Ba
Authors: K. Kitao, Y. Tendow and A. Hashizume | Citation: Nucl. Data Sheets 96, 241 (2002) | Cutoff date: 1-Dec-2001
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-1.12×104 keV SY | S(n)= 1.24×104 keV 4 | S(p)= 3.9×103 keV 3 | Q(α)= 1.7×103 keV 3 | ||
Reference: 2012WA38 |
References: | |||
A | (HI,xnγ) | B | 121Ce εp decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | AB | 0+ | 24 s 2 % ε = 100 | |||||
186.0 10 | AB | (2+) | 185.8 | 100 | (E2) | 0.0 | 0+ | |
544.0 15 | A | (4+) | 358 | ≈100 | (E2) | 186.0 | (2+) | |
1040.2 17 | A | (6+) | 496 | ≈100 | (E2) | 544.0 | (4+) | |
1645 | A | (8+) | 606 | | (E2) | 1040.2 | (6+) | |
1763.8 17 | A | (5-) | 1220 | | 544.0 | (4+) | ||
2104.7 17 | A | (7-) | 341 457 1065 | | 1763.8 1645 1040.2 | (5-) (8+) (6+) | ||
2336 | A | (10+) | 691 | | (E2) | 1645 | (8+) | |
2566.8 19 | A | (9-) | 462 920 | | 2104.7 1645 | (7-) (8+) | ||
3083 | A | (12+) | 747 | | (E2) | 2336 | (10+) | |
3137.8 21 | A | (11-) | 571 | | 2566.8 | (9-) | ||
3814.8 24 | A | (13-) | 677 | | 3137.8 | (11-) | ||
3856 | A | (14+) | 773 | | (E2) | 3083 | (12+) | |
4244 | A | (14+) | 388? 1161 | | (E2) | 3856 3083 | (14+) (12+) | |
4588 3 | A | (15-) | 773 | | 3814.8 | (13-) | ||
4656 | A | (16+) | 800 | | (E2) | 3856 | (14+) | |
5064 | A | (16+) | 820 | | 4244 | (14+) | ||
5434 3 | A | (17-) | 846 | | 4588 | (15-) | ||
5517 | A | (18+) | 861 | | (E2) | 4656 | (16+) | |
5876 | A | 812 | | 5064 | (16+) | |||
6455 | A | (20+) | 938 | | (E2) | 5517 | (18+) | |
6688 | A | (20+) | 812 | | 5876 | |||
7471 | A | (22+) | 1016 | | Q | 6455 | (20+) | |
7569 | A | (22+) | 881 1112? | | 6688 6455 | (20+) (20+) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
8502 | A | (24+) | 933 1030 | | 7569 7471 | (22+) (22+) | ||
8602 | A | (24+) | 1131 | | 7471 | (22+) | ||
9548 | A | (26+) | 1046 | | 8502 | (24+) | ||
9786 | A | (26+) | 1184 | | 8602 | (24+) | ||
10668 | A | (28+) | 1120 | | 9548 | (26+) | ||
11016 | A | (28+) | 1230 | | 9786 | (26+) | ||
11872 | A | (30+) | 1204 | | 10668 | (28+) | ||
12339 | A | (30+) | 1323 | | 11016 | (28+) | ||
13160 | A | (32+) | 1288 | | 11872 | (30+) | ||
13743 | A | (32+) | 1404 | | 12339 | (30+) | ||
14510 | A | (34+) | 1350 | | 13160 | (32+) | ||
15897 | A | (36+) | 1387 | | 14510 | (34+) | ||
17378 | A | (38+) | 1481 | | 15897 | (36+) | ||
18956 | A | (40+) | 1576 | | 17378 | (38+) | ||
20601 | A | (42+) | 1645 | | 18956 | (40+) |
E(level): From a least-squares fit to E(γ’s), with uncertainties of 1 keV assigned by the evaluators to the E(γ’s).
Jπ(level): Given by the authors based on assumption of stretched E2 γ cascades and assigned band structure.
E(γ): From authors’ drawing (2000Sm08), unless otherwise noted
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - GS yrast band | |||||||
0.0 | 0+ | 24 s 2 % ε = 100 | |||||
186.0 10 | (2+) | 185.8 | 100 | (E2) | 0.0 | 0+ | |
544.0 15 | (4+) | 358 | ≈100 | (E2) | 186.0 | (2+) | |
1040.2 17 | (6+) | 496 | ≈100 | (E2) | 544.0 | (4+) | |
1645 | (8+) | 606 | | (E2) | 1040.2 | (6+) | |
2336 | (10+) | 691 | | (E2) | 1645 | (8+) | |
3083 | (12+) | 747 | | (E2) | 2336 | (10+) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - πh11/22 band | |||||||
3856 | (14+) | ||||||
4656 | (16+) | 800 | | (E2) | 3856 | (14+) | |
5517 | (18+) | 861 | | (E2) | 4656 | (16+) | |
6455 | (20+) | 938 | | (E2) | 5517 | (18+) | |
7471 | (22+) | 1016 | | Q | 6455 | (20+) | |
8602 | (24+) | 1131 | | 7471 | (22+) | ||
9786 | (26+) | 1184 | | 8602 | (24+) | ||
11016 | (28+) | 1230 | | 9786 | (26+) | ||
12339 | (30+) | 1323 | | 11016 | (28+) | ||
13743 | (32+) | 1404 | | 12339 | (30+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - νh11/22πh11/22 band | |||||||
6688 | (20+) | ||||||
7569 | (22+) | 881 1112? | | 6688 6455 | (20+) (20+) | ||
8502 | (24+) | 933 1030 | | 7569 7471 | (22+) (22+) | ||
9548 | (26+) | 1046 | | 8502 | (24+) | ||
10668 | (28+) | 1120 | | 9548 | (26+) | ||
11872 | (30+) | 1204 | | 10668 | (28+) | ||
13160 | (32+) | 1288 | | 11872 | (30+) | ||
14510 | (34+) | 1350 | | 13160 | (32+) | ||
15897 | (36+) | 1387 | | 14510 | (34+) | ||
17378 | (38+) | 1481 | | 15897 | (36+) | ||
18956 | (40+) | 1576 | | 17378 | (38+) | ||
20601 | (42+) | 1645 | | 18956 | (40+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - νh11/22 band | |||||||
4244 | (14+) | ||||||
5064 | (16+) | 820 | | 4244 | (14+) | ||
5876 | 812 | | 5064 | (16+) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - NEGATIVE PARITY band. | |||||||
1763.8 17 | (5-) | ||||||
2104.7 17 | (7-) | 341 457 1065 | | 1763.8 1645 1040.2 | (5-) (8+) (6+) | ||
2566.8 19 | (9-) | 462 920 | | 2104.7 1645 | (7-) (8+) | ||
3137.8 21 | (11-) | 571 | | 2566.8 | (9-) | ||
3814.8 24 | (13-) | 677 | | 3137.8 | (11-) | ||
4588 3 | (15-) | 773 | | 3814.8 | (13-) | ||
5434 3 | (17-) | 846 | | 4588 | (15-) |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 24 s 2 % ε = 100 | E(level): GS yrast band. |
186.0 | (2+) | E(level): GS yrast band. | |
544.0 | (4+) | E(level): GS yrast band. | |
1040.2 | (6+) | E(level): GS yrast band. | |
1645 | (8+) | E(level): GS yrast band. | |
1763.8 | (5-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
2104.7 | (7-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
2336 | (10+) | E(level): GS yrast band. | |
2566.8 | (9-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
3083 | (12+) | E(level): GS yrast band. | |
3137.8 | (11-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
3814.8 | (13-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
3856 | (14+) | E(level): πh11/22 band. | |
4244 | (14+) | E(level): νh11/22 band. | |
4588 | (15-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
4656 | (16+) | E(level): πh11/22 band. | |
5064 | (16+) | E(level): νh11/22 band. | |
5434 | (17-) | E(level): NEGATIVE PARITY band. Suggested configuration as an h11/2 proton coupled to a 9/2[404] orbital by 2000Sm08. | |
5517 | (18+) | E(level): πh11/22 band. | |
5876 | E(level): νh11/22 band. | ||
6455 | (20+) | E(level): πh11/22 band. | |
6688 | (20+) | E(level): νh11/22πh11/22 band. | |
7471 | (22+) | E(level): πh11/22 band. | |
7569 | (22+) | E(level): νh11/22πh11/22 band. | |
8502 | (24+) | E(level): νh11/22πh11/22 band. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
8602 | (24+) | E(level): πh11/22 band. | |
9548 | (26+) | E(level): νh11/22πh11/22 band. | |
9786 | (26+) | E(level): πh11/22 band. | |
10668 | (28+) | E(level): νh11/22πh11/22 band. | |
11016 | (28+) | E(level): πh11/22 band. | |
11872 | (30+) | E(level): νh11/22πh11/22 band. | |
12339 | (30+) | E(level): πh11/22 band. | |
13160 | (32+) | E(level): νh11/22πh11/22 band. | |
13743 | (32+) | E(level): πh11/22 band. | |
14510 | (34+) | E(level): νh11/22πh11/22 band. | |
15897 | (36+) | E(level): νh11/22πh11/22 band. | |
17378 | (38+) | E(level): νh11/22πh11/22 band. | |
18956 | (40+) | E(level): νh11/22πh11/22 band. | |
20601 | (42+) | E(level): νh11/22πh11/22 band. |
E(level) | E(gamma) | Comments |
186.0 | 185.8 | E(γ): from 121Ce εp decay |
3856 | 773 | E(γ): Interband (crossing) transition |
4244 | 1161 | E(γ): Interband (crossing) transition |
6688 | 812 | E(γ): Interband (crossing) transition |
8502 | 1030 | E(γ): Interband (crossing) transition |
The decay scheme is that proposed by 2000Sm08 for positive parity levels and 1991Ce06 for negative parity levels
Q-value: Note: Current evaluation has used the following Q record -11200 SY12.7×103 113.87×103 301590 syst 1995Au04
Q-value: The uncertainties given by 1995Au04 for Q(β-) and Q(α) are 667 and 388 keV, respectively.