ADOPTED LEVELS, GAMMAS for 138Xe
Author: Jun Chen | Citation: Nucl. Data Sheets 146, 1 (2017) | Cutoff date: 30-Sep-2017
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=2915 keV 10 | S(n)= 5660 keV 3 | S(p)= 10905 keV 9 | Q(α)= 137 keV 4 | ||
| Reference: 2017WA10 |
| References: | |||
| A | 138I β- decay | B | 139I β-n decay |
| C | 248Cm SF decay | D | 252Cf SF decay |
| E | 235U(n,Fγ),238U(n,Fγ) | F | Coulomb Excitation |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABCDEF | 0+ | 14.14 m 7 % β- = 100 | |||||
| 588.826 18 | ABCDEF | 2+ | 10.5 ps +38-22 | 588.825 18 | 100 | E2 | 0.0 | 0+ |
| 1072.53 3 | ABCDE | (4+) | 483.700 24 | 100 | (E2) | 588.826 | 2+ | |
| 1463.99 7 | ABC E | (2+) | 875.25 13 1463.98 21 | 100.0 24 7.5 10 | (M1+E2) | 588.826 0.0 | 2+ 0+ | |
| 1554.6 4 | CDE | (6+) | 482.1 | 100 | (E2) | 1072.53 | (4+) | |
| 1866.21 8 | A | (1,2+) | 1277.45 11 1866.20 17 | 100 3 15.3 14 | 588.826 0.0 | 2+ 0+ | ||
| 1903.17 6 | A C E | (2+,3,4+) | 439.04 23 830.69 8 1314.30 10 | 11.5 18 100 3 59 4 | 1463.99 1072.53 588.826 | (2+) (4+) 2+ | ||
| 2015.48 8 | A | (3-) | 942.89 8 1426.76 21 | 61 3 100 4 | 1072.53 588.826 | (4+) 2+ | ||
| 2114.67 12 | A | (1,2+) | 650.88 22 ? 1525.83 13 2114.7 3 | 26 3 100 5 21 3 | 1463.99 588.826 0.0 | (2+) 2+ 0+ | ||
| 2115.5 5 | C | 1043.0 | 100 | 1072.53 | (4+) | |||
| 2117.22 15 | A | 1528.38 15 | 100 | 588.826 | 2+ | |||
| 2212.54 13 | A | 1623.69 13 | 100 | 588.826 | 2+ | |||
| 2262.14 7 | A | (1,2+) | 1673.28 9 2262.20 11 | 31.5 12 100 3 | 588.826 0.0 | 2+ 0+ | ||
| 2284.2 6 | CDE | (8+) | 729.6 | 100 | (E2) | 1554.6 | (6+) | |
| 2293.2 4 | C E | (4+,5,6+) | 738.6 1220.7 | | 1554.6 1072.53 | (6+) (4+) | ||
| 2331.92 13 | A | (2+,3,4+) | 1259.1 3 1743.1 3 | 100 18 85 9 | 1072.53 588.826 | (4+) 2+ | ||
| 2334.07 12 | A | (1-,2,3) | 318.6 4 430.83 21 467.8 3 870.05 20 1745.0 4 | 3.3 12 18.2 21 3.7 9 100 5 37 7 | 2015.48 1903.17 1866.21 1463.99 588.826 | (3-) (2+,3,4+) (1,2+) (2+) 2+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2391.0 7 | C E | 836.4 | 100 | 1554.6 | (6+) | |||
| 2398.15 11 | A | (1,2+) | 1809.28 14 2398.16 15 | 100 3 38 4 | 588.826 0.0 | 2+ 0+ | ||
| 2543.71 11 | A | (1,2+) | 212.4 4 640.0 3 1079.8 3 1954.8 3 2543.73 14 | 76 42 9 3 17 4 100 8 98 3 | 2331.92 1903.17 1463.99 588.826 0.0 | (2+,3,4+) (2+,3,4+) (2+) 2+ 0+ | ||
| 2572.42 11 | A | (1,2+) | 1108.29 18 2572.38 14 | 33.5 23 100 3 | 1463.99 0.0 | (2+) 0+ | ||
| 2644.8 3 | A | (1,2+) | 310.6 3 2644.9 4 | 61 19 100 13 | 2334.07 0.0 | (1-,2,3) 0+ | ||
| 2655.1 6 | C E | (6+,7,8+) | 370.9 1100.5 | | 2284.2 1554.6 | (8+) (6+) | ||
| 2674.26 10 | A | (1,2+) | 771.0 4 1210.2 3 2085.43 12 2674.0 3 | 10 3 22 4 100 4 15.3 22 | 1903.17 1463.99 588.826 0.0 | (2+,3,4+) (2+) 2+ 0+ | ||
| 2710.1 7 | C | 1155.5 | 100 | 1554.6 | (6+) | |||
| 2794.37 17 | A | (1,2+) | 460.0 3 778.90 22 1331.2 5 2794.3 4 | 30 10 100 10 28 10 62 8 | 2334.07 2015.48 1463.99 0.0 | (1-,2,3) (3-) (2+) 0+ | ||
| 2835.63 15 | A | (1,2) | 1371.57 23 2835.64 19 | 25.9 23 100 4 | 1463.99 0.0 | (2+) 0+ | ||
| 2890.61 20 | A | (1,2+) | 678.0 3 987.4 3 2890.7 6 | 56 16 100 20 48 12 | 2212.54 1903.17 0.0 | (2+,3,4+) 0+ | ||
| 2952.63 15 | A | 621.1 4 837.80 25 ? 2363.74 16 | 21 8 56 8 100 6 | 2331.92 2114.67 588.826 | (2+,3,4+) (1,2+) 2+ | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2964.39 12 | A | (1,2+) | 391.6 4 849.79 24 ? 1061.2 4 1500.42 11 2376.0 2 ? 2964.4 3 | 7 3 15 3 12 3 100 4 18.3 25 17.1 18 | 2572.42 2114.67 1903.17 1463.99 588.826 0.0 | (1,2+) (1,2+) (2+,3,4+) (2+) 2+ 0+ | ||
| 2972.2 7 | CDE | (10+) | 687.9 | 100 | (E2) | 2284.2 | (8+) | |
| 3224.7 7 | C | 940.5 | 100 | 2284.2 | (8+) | |||
| 3276.5 8 | C | 992.3 | 100 | 2284.2 | (8+) | |||
| 3354.7 7 | C | 382.6? 699.5 1070.5 | | 2972.2 2655.1 2284.2 | (10+) (6+,7,8+) (8+) | |||
| 3412.7 8 | C | 1128.5 | 100 | 2284.2 | (8+) | |||
| 3474.79 21 | A | (2+) | 2402.24 22 3474.3 7 | 100 5 26 5 | 1072.53 0.0 | (4+) 0+ | ||
| 3496.59 12 | A | (1,2+) | 1379.3 5 2032.79 15 3496.3 2 | 11 4 ≤117 100 6 | 2117.22 1463.99 0.0 | (2+) 0+ | ||
| 3516.51 15 ? | A | (1,2+) | 2927.82 20 3516.3 2 | 75 4 100 11 | 588.826 0.0 | 2+ 0+ | ||
| 3571.3 8 | CDE | (12+) | 599.0 | 100 | (E2) | 2972.2 | (10+) | |
| 3839.7 8 | C | 615.0 867.5 | | 3224.7 2972.2 | (10+) | |||
| 3876.7 9 | C | 904.5 | 100 | 2972.2 | (10+) | |||
| 3898.7 7 | C | 327.4 544.0 926.5 | | 3571.3 3354.7 2972.2 | (12+) (10+) | |||
| 3899.05 11 | A | (1,2+) | 1326.3 3 1355.80 11 ? 1567.20 25 ? 2032.79 15 2826.1 6 3310.28 15 3898.4 6 | 10 3 33 4 27 4 ≤79 6.7 16 100 4 4.1 10 | 2572.42 2543.71 2331.92 1866.21 1072.53 588.826 0.0 | (1,2+) (1,2+) (2+,3,4+) (1,2+) (4+) 2+ 0+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3961.86 11 | A | (1-,2,3) | 1629.7 3 1946.26 13 2058.84 14 | 22 4 56.3 24 100 12 | 2331.92 2015.48 1903.17 | (2+,3,4+) (3-) (2+,3,4+) | ||
| 4084.6 8 | C | 1112.5 | 100 | 2972.2 | (10+) | |||
| 4167.56 14 | A | (1,2,3) | 1594.7 5 1835.44 17 2301.57 16 | 8 3 22 4 100 5 | 2572.42 2331.92 1866.21 | (1,2+) (2+,3,4+) (1,2+) | ||
| 4182.01 12 | A | (1,2+) | 1609.3 5 1919.94 18 3593.0 2 4182.0 2 | 13 5 22.3 18 39.3 18 100 6 | 2572.42 2262.14 588.826 0.0 | (1,2+) (1,2+) 2+ 0+ | ||
| 4318.96 20 | A | (1,2+) | 2452.5 9 4318.9 2 | 11 6 100 7 | 1866.21 0.0 | (1,2+) 0+ | ||
| 4357.4 8 | C | 272.9 458.9 786 | | 4084.6 3898.7 3571.3 | (12+) | |||
| 4419.1 9 | C | (14+) | 847.8 | 100 | 3571.3 | (12+) | ||
| 4490.3 3 ? | A | (1,2,3) | 994.0 3 1815.6 4 3026.1 6 ? | 100 17 97 21 ≤90 | 3496.59 2674.26 1463.99 | (1,2+) (1,2+) (2+) | ||
| 4511.8 8 | C | 613.1 940.6 | | 3898.7 3571.3 | (12+) | |||
| 4526.3 9 | C | 955.0 | 100 | 3571.3 | (12+) | |||
| 4689.9 9 | C | 1118.6 | 100 | 3571.3 | (12+) | |||
| 4965.0 10 | C | 545.9 | 100 | 4419.1 | (14+) | |||
| 4989.7 10 | C | 570.6 | 100 | 4419.1 | (14+) | |||
| 5042.0 4 ? | A | (1,2,3) | 1545.6 5 2151.3 4 3026.1 5 ? | 100 27 95 21 ≤143 | 3496.59 2890.61 2015.48 | (1,2+) (1,2+) (3-) | ||
| 5142.0 3 ? | A | (1,2,3) | 974.5 3 1666.7 7 3026.1 5 ? | 100 25 69 32 ≤162 | 4167.56 3474.79 2114.67 | (1,2,3) (2+) (1,2+) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 5341.66 21 ? | A | (1,2+) | 1845.0 3 2389.2 5 4752.7 4 5341.6 5 | 100 14 74 14 43 3 63 9 | 3496.59 2952.63 588.826 0.0 | (1,2+) 2+ 0+ | ||
| 5520.0 10 | C | 530.3 555.0 | | 4989.7 4965.0 | ||||
| 5814.0 11 | C | 824.3 | 100 | 4989.7 | ||||
E(level): From a least-squares fit to γ-ray energies, assuming ΔEγ=0.5 keV if not given.
M(γ): From γ(θ) in 248Cm SF decay, unless otherwise noted. Brackets are added if no strong experimental evidence is available.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Yrast band. | |||||||
| 0.0 | 0+ | 14.14 m 7 % β- = 100 | |||||
| 588.826 18 | 2+ | 10.5 ps +38-22 | 588.825 18 | 100 | E2 | 0.0 | 0+ |
| 1072.53 3 | (4+) | 483.700 24 | 100 | (E2) | 588.826 | 2+ | |
| 1554.6 4 | (6+) | 482.1 | 100 | (E2) | 1072.53 | (4+) | |
| 2284.2 6 | (8+) | 729.6 | 100 | (E2) | 1554.6 | (6+) | |
| 2972.2 7 | (10+) | 687.9 | 100 | (E2) | 2284.2 | (8+) | |
| 3571.3 8 | (12+) | 599.0 | 100 | (E2) | 2972.2 | (10+) | |
| 4419.1 9 | (14+) | 847.8 | 100 | 3571.3 | (12+) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 588.826 | 2+ | 10.5 ps +38-22 | 588.825 18 | E2 | 0.00577 | B(E2)(W.u.)=18 5, α=0.00577, α(K)=0.00491 7, α(L)=0.000686 10, α(M)=0.0001398 20, α(N)=2.87E-5 4, α(O)=3.48E-6 5 | |
| 1072.53 | (4+) | 483.700 24 | (E2) | 0.00985 | α=0.00985, α(K)=0.00833 12, α(L)=0.001218 17, α(M)=0.000249 4, α(N)=5.10×10-5 8, α(O)=6.10E-6 9 | ||
| 1463.99 | (2+) | 875.25 13 | (M1+E2) | -5.2 +16-39 | 0.00221 | α=0.00221 4, α(K)=0.00190 4, α(L)=0.000247 5, α(M)=5.01×10-5 9, α(N)=1.033E-5 18, α(O)=1.276E-6 23 | |
| 1554.6 | (6+) | 482.1 | (E2) | 0.00995 | α=0.00995, α(K)=0.00841 12, α(L)=0.001231 18, α(M)=0.000252 4, α(N)=5.15×10-5 8, α(O)=6.16E-6 9 | ||
| 2284.2 | (8+) | 729.6 | (E2) | 0.00335 | α=0.00335, α(K)=0.00287 4, α(L)=0.000385 6, α(M)=7.82×10-5 11, α(N)=1.609E-5 23, α(O)=1.97E-6 3 | ||
| 2972.2 | (10+) | 687.9 | (E2) | 0.00387 | α=0.00387, α(K)=0.00331 5, α(L)=0.000449 7, α(M)=9.13×10-5 13, α(N)=1.88E-5 3, α(O)=2.29E-6 4 | ||
| 3571.3 | (12+) | 599.0 | (E2) | 0.00551 | α=0.00551, α(K)=0.00469 7, α(L)=0.000653 10, α(M)=0.0001332 19, α(N)=2.73×10-5 4, α(O)=3.32E-6 5 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 14.14 m 7 % β- = 100 | Evaluated nuclear charge radius <r2>1/2=4.828 fm 8 (2013An02). E(level): Yrast band. |
| 588.826 | 2+ | 10.5 ps +38-22 | E(level): Yrast band. |
| 1072.53 | (4+) | E(level): Yrast band. | |
| 1554.6 | (6+) | E(level): Yrast band. | |
| 2284.2 | (8+) | E(level): Yrast band. | |
| 2972.2 | (10+) | E(level): Yrast band. | |
| 3571.3 | (12+) | E(level): Yrast band. | |
| 4419.1 | (14+) | E(level): Yrast band. |
| E(level) | E(gamma) | Comments |
| 588.826 | 588.825 | M(γ): from Coulomb excitation and γ(θ) in 248Cm SF decay |
| 1554.6 | 482.1 | E(γ): From 248Cm SF decay |
| 2115.5 | 1043.0 | E(γ): From 248Cm SF decay |
| 2293.2 | 738.6 | E(γ): From 248Cm SF decay | 1220.7 | E(γ): From 248Cm SF decay |
| 2391.0 | 836.4 | E(γ): From 248Cm SF decay |
| 2655.1 | 370.9 | E(γ): From 248Cm SF decay | 1100.5 | E(γ): From 248Cm SF decay |
| 2710.1 | 1155.5 | E(γ): From 248Cm SF decay |
| 2972.2 | 687.9 | E(γ): From 248Cm SF decay |
| 3224.7 | 940.5 | E(γ): From 248Cm SF decay |
| 3276.5 | 992.3 | E(γ): From 248Cm SF decay |
| 3354.7 | 382.6 | E(γ): From 248Cm SF decay | 699.5 | E(γ): From 248Cm SF decay | 1070.5 | E(γ): From 248Cm SF decay |
| 3412.7 | 1128.5 | E(γ): From 248Cm SF decay |
| 3496.59 | 2032.79 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
| 3571.3 | 599.0 | E(γ): From 248Cm SF decay |
| 3839.7 | 615.0 | E(γ): From 248Cm SF decay | 867.5 | E(γ): From 248Cm SF decay |
| 3876.7 | 904.5 | E(γ): From 248Cm SF decay |
| 3898.7 | 327.4 | E(γ): From 248Cm SF decay | 544.0 | E(γ): From 248Cm SF decay | 926.5 | E(γ): From 248Cm SF decay |
| 3899.05 | 2032.79 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
| E(level) | E(gamma) | Comments |
| 4084.6 | 1112.5 | E(γ): From 248Cm SF decay |
| 4357.4 | 272.9 | E(γ): From 248Cm SF decay | 458.9 | E(γ): From 248Cm SF decay | 786 | E(γ): From 248Cm SF decay |
| 4490.3 | 3026.1 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
| 4511.8 | 613.1 | E(γ): From 248Cm SF decay | 940.6 | E(γ): From 248Cm SF decay |
| 4526.3 | 955.0 | E(γ): From 248Cm SF decay |
| 4689.9 | 1118.6 | E(γ): From 248Cm SF decay |
| 4965.0 | 545.9 | E(γ): From 248Cm SF decay |
| 4989.7 | 570.6 | E(γ): From 248Cm SF decay |
| 5042.0 | 3026.1 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
| 5142.0 | 3026.1 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
| 5520.0 | 530.3 | E(γ): From 248Cm SF decay | 555.0 | E(γ): From 248Cm SF decay |
| 5814.0 | 824.3 | E(γ): From 248Cm SF decay |
First identification of 138Xe nuclide by 1943Se02 (see 2013Ka01)
Other reactions:
2005Ga25: 2000Ga60: 232Th,238U(γ,F) E=25 MeV, measured yields
2000JoZZ,2000YoZS: 235U,238U(n,F), measured yields
1998Ph04: 238U(n,F) E=1.5-3.5 MeV, measured σ
Q-value: S(2n)=9686 3, S(2p)=20125 4, Q(2β+)=8289 3 (2017Wa10)