ADOPTED LEVELS, GAMMAS for 187Hg
Author: M. S. Basunia | Citation: Nucl. Data Sheets 110, 999 (2009) | Cutoff date: 1-Nov-2008
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-5675 keV 17 | S(n)= 7650 keV 19 | S(p)= 3.69×103 keV 3 | Q(α)= 5230 keV 14 | ||
Reference: 2012WA38 |
References: | |||
A | 187Tl ε decay (51 S+15.60 S) | B | 191Pb α decay (1.33 M) |
C | 163Dy(28Si,4nγ), |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | AB | 3/2(-) | 1.9 m 3 % ε = 100 % α < 3.7×10-4 | |||||
0.0+X | A C | 13/2(+) | 2.4 m 3 % ε = 100 % α < 3.7×10-4 10 | |||||
161.57 24 | A | (9/2+) | 33 ns | 161.5 3 | 100 | [E2] | 0.0+X | 13/2(+) |
167.3+X 4 | A C | (11/2+) | 167.3 5 | 100 | D+Q | 0.0+X | 13/2(+) | |
401.8+X 4 | C | (13/2+) | 234.5 5 | 100 | D+Q | 167.3+X | (11/2+) | |
424.0+X 3 | A C | (17/2+) | 424.0 3 | 100 | E2 | 0.0+X | 13/2(+) | |
437.0+X 4 | C | (15/2+) | 437.0 5 | 100 | M1+E2 | 0.0+X | 13/2(+) | |
535.6+X 4 | C | (15/2+) | 133.8 5 368.4 5 535.7 5 | 11 7 100 19 39 14 | D+Q (Q) M1(+E2) | 401.8+X 167.3+X 0.0+X | (13/2+) (11/2+) 13/2(+) | |
729.8+X 4 | C | (17/2+) | 194.1 5 327.9 5 | 15 5 100 27 | M1(+E2) Q | 535.6+X 401.8+X | (15/2+) (13/2+) | |
917.0+X 4 | C | (19/2+) | 187.2 5 381.6 5 492.7 5 | 6.6 23 100 19 25 6 | D+Q E2 M1(+E2) | 729.8+X 535.6+X 424.0+X | (17/2+) (15/2+) (17/2+) | |
1020.2+X 4 | C | (21/2+) | 596.1 3 | 100 | E2 | 424.0+X | (17/2+) | |
1078.3+X 4 | C | (19/2+) | 641.3 5 654.3 5 | 100 18 55 15 | E2 M1(+E2) | 437.0+X 424.0+X | (15/2+) (17/2+) | |
1175.8+X 4 | C | (21/2+) | 258.7 5 445.9 5 752.1 5 | 6.9 25 100 19 45 16 | M1(+E2) E2 (Q) | 917.0+X 729.8+X 424.0+X | (19/2+) (17/2+) (17/2+) | |
1383.1+X 4 | C | (23/2+) | 207.5 5 362.7 5 466.1 5 | 6.3 22 22 7 100 19 | D+Q M1+E2 E2 | 1175.8+X 1020.2+X 917.0+X | (21/2+) (21/2+) (19/2+) | |
1586.2+X 4 | C | (25/2+) | 203.1 5 410.2 5 566.0 3 | 2.0 10 18 4 100 18 | D+Q E2 E2 | 1383.1+X 1175.8+X 1020.2+X | (23/2+) (21/2+) (21/2+) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1756.7+X 5 | C | (21/2-) | 678.5 5 736.5 5 | 100 33 44 17 | E1 (D) | 1078.3+X 1020.2+X | (19/2+) (21/2+) | |
1801.4+X 6 | C | (25/2+) | 625.6 5 781 1 | 100 20 ≈50 | E2 | 1175.8+X 1020.2+X | (21/2+) (21/2+) | |
1922.9+X 5 | C | (27/2+) | 336.7 5 539.8 5 | 9.5 4 100 18 | D+Q E2 | 1586.2+X 1383.1+X | (25/2+) (23/2+) | |
2067.2+X 6 | C | 1047.0 5 | 100 | 1020.2+X | (21/2+) | |||
2072.7+X 11 | C | (25/2-) | 316 1 | 100 | 1756.7+X | (21/2-) | ||
2155.4+X 6 | C | (29/2+) | 232 1 569.4 5 | ≈3.8 100 23 | E2 | 1922.9+X 1586.2+X | (27/2+) (25/2+) | |
2411.4+X 13 | C | (29/2-) | 338.7 5 | 100 | E2 | 2072.7+X | (25/2-) | |
2478.6+X 8 | C | (29/2+) | 677.2 5 | 100 | (Q) | 1801.4+X | (25/2+) | |
2524.4+X 7 | C | (31/2+) | 369 1 ? 601.5 5 | 100 27 | E2 | 2155.4+X 1922.9+X | (29/2+) (27/2+) | |
2773.0+X 8 | C | (33/2+) | 617.6 5 | 100 | E2 | 2155.4+X | (29/2+) | |
2791.4+X 8 | C | (33/2+) | 636.0 5 | 100 | Q | 2155.4+X | (29/2+) | |
2999.9+X 14 | C | (33/2-) | 588.5 5 | 100 | (Q) | 2411.4+X | (29/2-) | |
3169.4+X 9 | C | (35/2+) | 645.0 5 | 100 | E2 | 2524.4+X | (31/2+) | |
3301.4+X 13 | C | 510 1 | 100 | 2791.4+X | (33/2+) | |||
3435.2+X 10 | C | (37/2+) | 662.2 5 | 100 | E2 | 2773.0+X | (33/2+) | |
3714.9+X 17 | C | 715 1 | 100 | 2999.9+X | (33/2-) | |||
3839.5+X 10 | C | (39/2+) | 670.1 5 | 100 | (Q) | 3169.4+X | (35/2+) | |
4024.4+X 17 | C | 723 1 | 100 | 3301.4+X | ||||
4134.2+X 14 | C | (41/2+) | 699 1 | 100 | 3435.2+X | (37/2+) | ||
4870.2+X 17 ? | C | 736 1 ? | 100 | 4134.2+X | (41/2+) |
E(level): From a least-squares adjustment to the γ-ray energies.
Jπ(level): From interlocking stretched E2 transitions and M1+E2 transitions. The yrast sequence can be determined through the 3435 level (37/2+). Both ΔJ=2 bands are determined from decay of the upper yrast levels. The parities of the other bands are determined by the multipolarities of the transitions and the spins are those proposed by 1988Ha15.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - ΔJ=2 band, α=-1/2 | |||||||
167.3+X 4 | (11/2+) | ||||||
535.6+X 4 | (15/2+) | ||||||
917.0+X 4 | (19/2+) | 187.2 5 381.6 5 492.7 5 | 6.6 23 100 19 25 6 | D+Q E2 M1(+E2) | 729.8+X 535.6+X 424.0+X | (17/2+) (15/2+) (17/2+) | |
1383.1+X 4 | (23/2+) | 207.5 5 362.7 5 466.1 5 | 6.3 22 22 7 100 19 | D+Q M1+E2 E2 | 1175.8+X 1020.2+X 917.0+X | (21/2+) (21/2+) (19/2+) | |
1922.9+X 5 | (27/2+) | 336.7 5 539.8 5 | 9.5 4 100 18 | D+Q E2 | 1586.2+X 1383.1+X | (25/2+) (23/2+) | |
2524.4+X 7 | (31/2+) | 369 1 ? 601.5 5 | 100 27 | E2 | 2155.4+X 1922.9+X | (29/2+) (27/2+) | |
3169.4+X 9 | (35/2+) | 645.0 5 | 100 | E2 | 2524.4+X | (31/2+) | |
3839.5+X 10 | (39/2+) | 670.1 5 | 100 | (Q) | 3169.4+X | (35/2+) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - ΔJ=2 band, α=+1/2 | |||||||
401.8+X 4 | (13/2+) | ||||||
729.8+X 4 | (17/2+) | ||||||
1175.8+X 4 | (21/2+) | 258.7 5 445.9 5 752.1 5 | 6.9 25 100 19 45 16 | M1(+E2) E2 (Q) | 917.0+X 729.8+X 424.0+X | (19/2+) (17/2+) (17/2+) | |
1586.2+X 4 | (25/2+) | 203.1 5 410.2 5 566.0 3 | 2.0 10 18 4 100 18 | D+Q E2 E2 | 1383.1+X 1175.8+X 1020.2+X | (23/2+) (21/2+) (21/2+) | |
2155.4+X 6 | (29/2+) | 232 1 569.4 5 | ≈3.8 100 23 | E2 | 1922.9+X 1586.2+X | (27/2+) (25/2+) | |
2773.0+X 8 | (33/2+) | 617.6 5 | 100 | E2 | 2155.4+X | (29/2+) | |
3435.2+X 10 | (37/2+) | 662.2 5 | 100 | E2 | 2773.0+X | (33/2+) | |
4134.2+X 14 | (41/2+) | 699 1 | 100 | 3435.2+X | (37/2+) | ||
4870.2+X 17 | 736 1 ? | 100 | 4134.2+X | (41/2+) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - NEGATIVE PARITY band | |||||||
1756.7+X 5 | (21/2-) | ||||||
2072.7+X 11 | (25/2-) | ||||||
2411.4+X 13 | (29/2-) | 338.7 5 | 100 | E2 | 2072.7+X | (25/2-) | |
2999.9+X 14 | (33/2-) | 588.5 5 | 100 | (Q) | 2411.4+X | (29/2-) | |
3714.9+X 17 | 715 1 | 100 | 2999.9+X | (33/2-) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - GROUND-STATE band | |||||||
0.0+X | 13/2(+) | 2.4 m 3 % ε = 100 % α < 3.7×10-4 10 | |||||
424.0+X 3 | (17/2+) | ||||||
1020.2+X 4 | (21/2+) | 596.1 3 | 100 | E2 | 424.0+X | (17/2+) | |
1801.4+X 6 | (25/2+) | 625.6 5 781 1 | 100 20 ≈50 | E2 | 1175.8+X 1020.2+X | (21/2+) (21/2+) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
161.57 | (9/2+) | 33 ns | 161.5 3 | [E2] | 0.859 | B(E2)(W.u.)=1.32, α=0.859 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 3/2(-) | 1.9 m 3 % ε = 100 % α < 3.7×10-4 | Q=-0.75 25, μ=-0.594 4 <r2>1/2(187Hg)=5.405 4 fm (2004An14). |
0.0+X | 13/2(+) | 2.4 m 3 % ε = 100 % α < 3.7×10-4 10 | Q=+0.5 3, μ=-1.044 11 E(level): GROUND-STATE band. |
167.3+X | (11/2+) | E(level): ΔJ=2 band, α=-1/2. | |
401.8+X | (13/2+) | E(level): ΔJ=2 band, α=+1/2. | |
424.0+X | (17/2+) | E(level): GROUND-STATE band. | |
535.6+X | (15/2+) | E(level): ΔJ=2 band, α=-1/2. | |
729.8+X | (17/2+) | E(level): ΔJ=2 band, α=+1/2. | |
917.0+X | (19/2+) | E(level): ΔJ=2 band, α=-1/2. | |
1020.2+X | (21/2+) | E(level): GROUND-STATE band. | |
1175.8+X | (21/2+) | E(level): ΔJ=2 band, α=+1/2. | |
1383.1+X | (23/2+) | E(level): ΔJ=2 band, α=-1/2. | |
1586.2+X | (25/2+) | E(level): ΔJ=2 band, α=+1/2. | |
1756.7+X | (21/2-) | E(level): NEGATIVE PARITY band. | |
1801.4+X | (25/2+) | E(level): GROUND-STATE band. | |
1922.9+X | (27/2+) | E(level): ΔJ=2 band, α=-1/2. | |
2072.7+X | (25/2-) | E(level): NEGATIVE PARITY band. | |
2155.4+X | (29/2+) | E(level): ΔJ=2 band, α=+1/2. | |
2411.4+X | (29/2-) | E(level): NEGATIVE PARITY band. | |
2524.4+X | (31/2+) | E(level): ΔJ=2 band, α=-1/2. | |
2773.0+X | (33/2+) | E(level): ΔJ=2 band, α=+1/2. | |
2999.9+X | (33/2-) | E(level): NEGATIVE PARITY band. | |
3169.4+X | (35/2+) | E(level): ΔJ=2 band, α=-1/2. | |
3435.2+X | (37/2+) | E(level): ΔJ=2 band, α=+1/2. | |
3714.9+X | E(level): NEGATIVE PARITY band. | ||
3839.5+X | (39/2+) | E(level): ΔJ=2 band, α=-1/2. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
4134.2+X | (41/2+) | E(level): ΔJ=2 band, α=+1/2. | |
4870.2+X | E(level): ΔJ=2 band, α=+1/2. |
E(level) | E(gamma) | Comments |
161.57 | 161.5 | E(γ): From 187Tl ε decay. |