ADOPTED LEVELS, GAMMAS for 38K
Author: Jun Chen | Citation: Nucl. Data Sheets 152, 1 (2018) | Cutoff date: 30-Sep-2017
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-6742.26 keV 6 | S(n)= 12071.87 keV 22 | S(p)= 5142.06 keV 28 | Q(α)= -6785.59 keV 20 | ||
Reference: 2017WA10 |
References: | |||
A | 38Ca ε decay (443.76 MS) | B | 38K IT decay (924.4 MS) |
C | 24Mg(16O,pnγ) | D | 35Cl(α,nγ) |
E | 36Ar(3He,pγ) | F | 36Ar(α,d) |
G | 38Ar(p,n) | H | 38Ar(3He,t) |
I | 39K(p,d) | J | 39K(d,t) |
K | 39K(3He,αγ) | L | 39K(3He,α) |
M | 40Ca(μ-,NU2NG) | N | 40Ca(π-,2n),(π-,2nγ) |
O | 40Ca(p,3He) | P | 40Ca(d,αγ) |
Q | 40Ca(d,α),(pol d,α) | R | 40Ca(α,6Li) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0 | ABCDEFGHIJKLMNOPQR | 3+ | 7.651 m 19 % ε = 100 | |||||
130.22 16 | ABCDE GHIJKLM OPQ | 0+ | 924.4 ms 3 % IT = 0.0330 43 % ε = 99.9670 43 | 130.1 2 | 100 | [M3] | 0 | 3+ |
458.53 16 | A CDEFGHIJKLM OPQR | 1+ | 7.0 ps 6 | 328.1 2 458.6 3 | 100.0 3 1.01 16 | M1 [E2] | 130.22 0 | 0+ 3+ |
1697.65 25 | A C EFGHIJKLM OPQR | 1+ | 48 fs 10 | 1239 1567.4 2 1698 | 0.26 5 100 0.08 4 | M1 [E2] | 458.53 130.22 0 | 1+ 0+ 3+ |
2401.12 19 | C E HIJKLM OPQ | 2+ | 52 fs 15 | 1942.5 1 2270.5 9 | 100 2 8 2 | M1+E2 [E2] | 458.53 130.22 | 1+ 0+ |
2613.01 15 | C EF HI M PQ | 3- | 6 ps +5-2 | 2613.0 3 | 100 | [E1] | 0 | 3+ |
2646.19 15 | CDEF HIJ LMNOPQ | (4)- | 0.98 ns 10 | 33.18 3 2187.6 2 2646.0 3 | 0.67 4 1.51 8 100.0 12 | M1(+E2) [E3] [E1] | 2613.01 458.53 0 | 3- 1+ 3+ |
2827.4 6 | C EF HI PQ | 1- | 0.22 ps 5 | 425.3 8 2697.9 7 | 10.5 5 100 1 | [E1] [E1] | 2401.12 130.22 | 2+ 0+ |
2869.2 5 | C EF I L OPQ | 2- | 3.1 ps 8 | 467.0 10 1171.6 7 2411.2 17 2869.8 9 | 31.4 10 17 2 57.8 7 100 1 | [E1] [E1] [E1] [E1] | 2401.12 1697.65 458.53 0 | 2+ 1+ 1+ 3+ |
2993.0 4 | A C E PQ | 0- | 114 fs 30 | 2534.4 3 | 100 | [E1] | 458.53 | 1+ |
3040 15 | Q | |||||||
3315.4 7 | C E I OPQ | (1+,2-,3+) | 1.70 ps 29 | 914.1 8 3315.5 12 | 100 7 76 7 | 2401.12 0 | 2+ 3+ | |
3341.1 8 | A C E GHI PQ | 1+ | < 38 fs | 1643 2883 3210.7 7 | 17 11 4.2 28 100 6 | [M1] | 1697.65 458.53 130.22 | 1+ 1+ 0+ |
3420.07 17 | CD L PQ | (6)- | 70 ps 10 | 773.9 2 3420.0 3 | 100.0 11 76.7 11 | E2 [E3] | 2646.19 0 | (4)- 3+ |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3429.7 10 | E HIJ OPQ | 2+ | < 0.12 ps | 1028.0 12 3430.3 15 | 100 5 67 5 | [M1] | 2401.12 0 | 2+ 3+ |
3458.10 17 | CD FGH J Q | (7)+ | 21.95 µs 11 % IT = 100 | 38.03 3 811.9 2 3457.7 4 | 100 5 33.8 5 0.27 3 | (E1) [E3] [E4] | 3420.07 2646.19 0 | (6)- (4)- 3+ |
3614.6 5 | E I PQ | (3,5)- | 0.5 ps +6-2 | 968.4 4 | | 2646.19 | (4)- | |
3668.1 5 | EF H PQ | 3+ | 91 fs 35 | 1267.0 4 | 100 | M1(+E2) | 2401.12 | 2+ |
3687.6 9 | EF H PQ | (3) | 0.28 ps +11-8 | 1041.3 17 1074.3 10 3557? 3690 3 | 50 10 100 10 42 12 | 2646.19 2613.01 130.22 0 | (4)- 3- 0+ 3+ | |
3703.7 4 | EF HI L OPQ | (1+,2,3+) | > 0.76 ps | 1302.6 3 | | 2401.12 | 2+ | |
3738.8 15 | EF Q | (1+:5+) | 3739 | | 0 | 3+ | ||
3790 20 | Q | |||||||
3813.6 7 | E I PQ | 2- | 1412.1 7 3815.2 15 | 100 12 96 12 | 2401.12 0 | 2+ 3+ | ||
3841.0 17 | E GHI Q | 1195 | | 2646.19 | (4)- | |||
3855.8 19 | A E GHI PQ | 1+ | < 83 fs | 3725.4 19 | 100 | [M1] | 130.22 | 0+ |
3931.0 6 | E I PQ | 2- | 1318.0 5 | | 2613.01 | 3- | ||
3976.3 12 | A EFGHIJ L OPQ | 1+ | < 40 fs | 3516.4 14 3848.0 19 | 35 10 100 10 | [M1] | 458.53 130.22 | 1+ 0+ |
4174.9 18 | A E I L Q | (1)+ | 3716 | 100 | 458.53 | 1+ | ||
4214.2 17 | E HI L Q | (1-) | 1809.6 27 4085.9 21 | 39 8 100 8 | 2401.12 130.22 | 2+ 0+ | ||
4318.2 21 | EF I Q | (1+:5+) | 4318 | | 0 | 3+ | ||
4333.4 21 | EF HI L PQ | (0-:4-) | 0.24 ps +49-17 | 402 | | 3931.0 | 2- | |
4394.7 21 | EF L Q | (1+:5+) | 4394 | | 0 | 3+ | ||
4409.6 13 | E I Q | (0:3+) | 2712 | | 1697.65 | 1+ | ||
4451.7 2 | Q | 2 | ||||||
4459.9 2 | I Q | 3 | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4491.1 26 | L Q | |||||||
4504.9 23 | L Q | |||||||
4587.9 22 | E Q | 4588 | | 0 | 3+ | |||
4598 3 | I | 1-,2-,3- | ||||||
4616.0 22 | H Q | |||||||
4641 3 | HIJ Q | (1:5)- | ||||||
4668 3 | I L O Q | 1+,2+ | ||||||
4700.9 9 | E HI PQ | (1+,2+) | 1086.3 7 | | 3614.6 | (3,5)- | ||
4723 3 | E Q | (0:3+) | 1382 | | 3341.1 | 1+ | ||
4749.7 25 | Q | |||||||
4806 3 | Q | |||||||
4848 4 | I Q | |||||||
4901.2 13 | E Q | (0+:4+) | 2500 | | 2401.12 | 2+ | ||
4971 3 | Q | |||||||
4989.9 20 | E I Q | 1+,2+ | 2589 | | 2401.12 | 2+ | ||
5047.8 14 | E I L Q | (1:5)- | 2435 | | 2613.01 | 3- | ||
5086 3 | H L Q | |||||||
5104 3 | F Q | (5+,6+,7+) | ||||||
5133.1 15 | EF Q | (0+:4+) | 2732 | | 2401.12 | 2+ | ||
5192 3 | Q | |||||||
5216.4 16 | E | (0:3+) | 3519 | | 1697.65 | 1+ | ||
5253.7 4 | C | (9+) | 1795.6 3 | | 3458.10 | (7)+ | ||
5254 4 | HI L Q | 1+,2+ | ||||||
5286 3 | O Q | (1+,2+,3+) | ||||||
5296 3 | F Q | |||||||
530E1 10 | G | (6-) | ||||||
5307 3 | F Q | |||||||
5333 5 | F HI Q | |||||||
5407 3 | Q | |||||||
5439 3 | I L Q | (1,2)+ | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5459 3 | HI Q | (1+,2+) | ||||||
5480 3 | Q | |||||||
5549 6 | I | 1+,2+ | ||||||
5601 3 | L Q | |||||||
5620 4 | HI L Q | 1+,2+ | ||||||
5677 3 | I Q | (1-,2-,3-) | ||||||
5693 3 | Q | |||||||
5733 4 | I Q | 1+,2+ | ||||||
5749 3 | L Q | |||||||
5771 4 | I L Q | |||||||
5795 3 | L Q | |||||||
5810 3 | I L Q | 1+,2+ | ||||||
5828 3 | L Q | |||||||
5852 3 | HI L Q | 1+,2+ | ||||||
5869 3 | L Q | |||||||
5891 5 | I | 1+,2+ | ||||||
590E1 10 | G | (6-) | ||||||
5934 3 | Q | |||||||
5944 4 | I Q | (1:5)- | ||||||
5972 3 | I Q | 1+,2+ | ||||||
5986 4 | I Q | 1+,2+ | ||||||
6002 3 | H Q | |||||||
6022 4 | H Q | |||||||
6230 | H | |||||||
6380 10 | H L Q | (0:4)+ | ||||||
6590 10 | L | (0:4)+ | ||||||
6720 50 | G Q | (1+) | ||||||
7000 50 | Q | |||||||
7130 20 | L | (0:4)+ | ||||||
7320 50 | Q | (1+) | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
7396.8 6 | C | (10-) | 2143.0 4 | | 5253.7 | (9+) | ||
7730 | H | |||||||
8693.1 6 | C | (12-) | 1296.3 3 | | 7396.8 | (10-) | ||
8747.5 7 | C | (11-) | 1350.7 4 | | 7396.8 | (10-) | ||
970E1 10 | G | |||||||
9880 50 | Q | (3+) | ||||||
990E1 10 | G | (1+) | ||||||
10260 50 | G Q | (1+) | ||||||
10980.6 11 | C | (13-) | 2287.4 9 | | 8693.1 | (12-) |
E(level): From a least-squares fit to γ-ray energies with uncertainties for levels connected with those γ rays and from (d,α),(pol d,α) for others above 4410, unless otherwise noted.
T1/2(level): From Doppler-shift attenuation method (DSAM) in (d,αγ), unless otherwise stated
E(γ): Values with uncertainties are from (d,αγ), unless otherwise noted; those without uncertainties are from level-energy differences.
I(γ): From (d,αγ) and/or (3He,pγ), weighted averages are taken where available, unless otherwise noted.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
130.22 | 0+ | 924.4 ms 3 % IT = 0.0330 43 % ε = 99.9670 43 | 130.1 2 | [M3] | 0.395 | B(M3)(W.u.)=0.21 3, α=0.395, α(K)=0.357 6, α(L)=0.0344 6, α(M)=0.00370 6, α(N)=0.0001258 20 | |
458.53 | 1+ | 7.0 ps 6 | 328.1 2 | M1 | 6.07×10-4 | B(M1)(W.u.)=0.088 +9-8, α=6.07×10-4, α(K)=0.000555 8, α(L)=4.69E-5 7, α(M)=5.09E-6 8, α(N)=1.87E-7 3 | |
1+ | 7.0 ps 6 | 458.6 3 | [E2] | 7.70×10-4 | B(E2)(W.u.)=5.2 +15-12, α=7.70E-4, α(K)=0.000704 10, α(L)=5.95E-5 9, α(M)=6.44E-6 10, α(N)=2.35E-7 4 | ||
1697.65 | 1+ | 48 fs 10 | 1567.4 2 | M1 | 1.10×10-4 | B(M1)(W.u.)=0.119 +32-21, α=1.10×10-4, α(K)=2.31E-5 4, α(L)=1.94E-6 3, α(M)=2.10E-7 3, α(N)=7.76E-9 11 | |
1+ | 48 fs 10 | 1698 | [E2] | 1.97×10-4 | B(E2)(W.u.)=0.09 +8-6, α=1.97E-4, α(K)=2.27E-5 4, α(L)=1.91E-6 3, α(M)=2.07E-7 3, α(N)=7.63E-9 11 | ||
2401.12 | 2+ | 52 fs 15 | 1942.5 1 | M1+E2 | +0.077 12 | 2.42×10-4 | B(E2)(W.u.)=0.28 +26-13, B(M1)(W.u.)=0.053 +24-13, α=2.42E-4, α(K)=1.603E-5 23, α(L)=1.341E-6 19, α(M)=1.456E-7 21, α(N)=5.38E-9 8 |
2+ | 52 fs 15 | 2270.5 9 | [E2] | 4.61×10-4 | B(E2)(W.u.)=1.8 +14-8, α=4.61E-4, α(K)=1.333E-5 19, α(L)=1.116E-6 16, α(M)=1.211E-7 17, α(N)=4.47E-9 7 | ||
2613.01 | 3- | 6 ps +5-2 | 2613.0 3 | [E1] | 1.04×10-3 | B(E1)(W.u.)=6E-6 3, α=1.04E-3, α(K)=6.84E-6 10, α(L)=5.72E-7 8, α(M)=6.21E-8 9, α(N)=2.29E-9 4 | |
2646.19 | (4)- | 0.98 ns 10 | 33.18 3 | M1(+E2) | 0.09 LT | 0.29 | B(M1)(W.u.)>0.0040, α=0.29 8, α(K)=0.26 7, α(L)=0.024 7, α(M)=0.0026 7, α(N)=8.6×10-5 20 |
(4)- | 0.98 ns 10 | 2187.6 2 | [E3] | 2.62×10-4 | B(E3)(W.u.)=0.89 +17-14, α=2.62E-4, α(K)=2.21E-5 3, α(L)=1.85E-6 3, α(M)=2.01E-7 3, α(N)=7.41E-9 11 | ||
(4)- | 0.98 ns 10 | 2646.0 3 | [E1] | 1.06×10-3 | B(E1)(W.u.)=3.2E-8 +4-3, α=1.06E-3, α(K)=6.73E-6 10, α(L)=5.63E-7 8, α(M)=6.10E-8 9, α(N)=2.25E-9 4 | ||
2827.4 | 1- | 0.22 ps 5 | 425.3 8 | [E1] | 2.52×10-4 | B(E1)(W.u.)=0.0034 +14-8, α=2.52E-4, α(K)=0.000230 4, α(L)=1.93E-5 3, α(M)=2.09E-6 4, α(N)=7.68E-8 12 | |
1- | 0.22 ps 5 | 2697.9 7 | [E1] | 1.09×10-3 | B(E1)(W.u.)=0.000125 +38-24, α=1.09E-3, α(K)=6.56E-6 10, α(L)=5.48E-7 8, α(M)=5.95E-8 9, α(N)=2.20E-9 3 | ||
2869.2 | 2- | 3.1 ps 8 | 467.0 10 | [E1] | 1.96×10-4 | B(E1)(W.u.)=0.00029 +13-7, α=1.96E-4, α(K)=0.000179 3, α(L)=1.507E-5 23, α(M)=1.633E-6 25, α(N)=5.99E-8 9 | |
2- | 3.1 ps 8 | 1171.6 7 | [E1] | 6.50×10-5 | B(E1)(W.u.)=1.0E-5 +5-3, α=6.50E-5 10, α(K)=2.35E-5 4, α(L)=1.97E-6 3, α(M)=2.14E-7 3, α(N)=7.88E-9 11 | ||
2- | 3.1 ps 8 | 2411.2 17 | [E1] | 9.20×10-4 | B(E1)(W.u.)=3.9E-6 +16-9, α=9.20E-4, α(K)=7.63E-6 11, α(L)=6.38E-7 9, α(M)=6.92E-8 10, α(N)=2.56E-9 4 | ||
2- | 3.1 ps 8 | 2869.8 9 | [E1] | 1.18×10-3 | B(E1)(W.u.)=4.0E-6 +16-9, α=1.18E-3, α(K)=6.05E-6 9, α(L)=5.05E-7 7, α(M)=5.48E-8 8, α(N)=2.02E-9 3 | ||
2993.0 | 0- | 114 fs 30 | 2534.4 3 | [E1] | 9.91×10-4 | B(E1)(W.u.)=0.00032 +12-7, α=9.91E-4, α(K)=7.13E-6 10, α(L)=5.96E-7 9, α(M)=6.47E-8 9, α(N)=2.39E-9 4 | |
3341.1 | 1+ | < 38 fs | 3210.7 7 | [M1] | 7.57×10-4 | B(M1)(W.u.)>0.014, α=7.57×10-4, α(K)=7.24E-6 11, α(L)=6.05E-7 9, α(M)=6.56E-8 10, α(N)=2.43E-9 4 | |
3420.07 | (6)- | 70 ps 10 | 773.9 2 | E2 | 1.55×10-4 | B(E2)(W.u.)=2.2 +4-3, α=1.55E-4, α(K)=0.0001415 20, α(L)=1.191E-5 17, α(M)=1.291E-6 18, α(N)=4.73E-8 7 | |
(6)- | 70 ps 10 | 3420.0 3 | [E3] | 7.03×10-4 | B(E3)(W.u.)=16.0 +30-22, α=7.03E-4, α(K)=9.43E-6 14, α(L)=7.89E-7 11, α(M)=8.56E-8 12, α(N)=3.16E-9 5 | ||
3429.7 | 2+ | < 0.12 ps | 1028.0 12 | [M1] | 5.47×10-5 | B(M1)(W.u.)>0.10, α=5.47×10-5 8, α(K)=5.00E-5 7, α(L)=4.20E-6 6, α(M)=4.56E-7 7, α(N)=1.680E-8 24 | |
3458.10 | (7)+ | 21.95 µs 11 % IT = 100 | 38.03 3 | (E1) | 0.402 | B(E1)(W.u.)=2.84E-7 6, α=0.402, α(K)=0.368 6, α(L)=0.0310 5, α(M)=0.00331 5, α(N)=0.0001153 17 | |
(7)+ | 21.95 µs 11 % IT = 100 | 811.9 2 | [E3] | 3.17×10-4 | B(E3)(W.u.)=0.54 +4-3, α=3.17E-4, α(K)=0.000290 4, α(L)=2.46E-5 4, α(M)=2.66E-6 4, α(N)=9.70E-8 14 | ||
(7)+ | 21.95 µs 11 % IT = 100 | 3457.7 4 | [E4] | 1.364×10-5 | B(E4)(W.u.)=0.0040 +7-6, α=1.364E-5 20, α(K)=1.248E-5 18, α(L)=1.046E-6 15, α(M)=1.135E-7 16, α(N)=4.19E-9 6 | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
3668.1 | 3+ | 91 fs 35 | 1267.0 4 | M1(+E2) | +0.02 4 | 5.20×10-5 | B(M1)(W.u.)=0.12 +8-4, α=5.20×10-5 8, α(K)=3.39E-5 5, α(L)=2.84E-6 4, α(M)=3.08E-7 5, α(N)=1.136E-8 16 |
3855.8 | 1+ | < 83 fs | 3725.4 19 | [M1] | 9.46×10-4 | B(M1)(W.u.)>0.0051, α=9.46×10-4, α(K)=5.81E-6 9, α(L)=4.86E-7 7, α(M)=5.27E-8 8, α(N)=1.95E-9 3 | |
3976.3 | 1+ | < 40 fs | 3848.0 19 | [M1] | 9.90×10-4 | B(M1)(W.u.)>0.0071, α=9.90×10-4, α(K)=5.55E-6 8, α(L)=4.64E-7 7, α(M)=5.03E-8 7, α(N)=1.86E-9 3 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 3+ | 7.651 m 19 % ε = 100 | μ=+1.371 6 (1982To02,2014StZZ) <r2>1/2=3.426 fm 5 (2013An02 evaluation). |
2646.19 | (4)- | 0.98 ns 10 | XREF: L(2638). |
2827.4 | 1- | 0.22 ps 5 | XREF: C(?). |
2869.2 | 2- | 3.1 ps 8 | XREF: C(?)L(2856). |
2993.0 | 0- | 114 fs 30 | XREF: α(?)C(?). |
3315.4 | (1+,2-,3+) | 1.70 ps 29 | XREF: C(?). |
3341.1 | 1+ | < 38 fs | XREF: C(?)γ(3400). |
3420.07 | (6)- | 70 ps 10 | Jπ(level): Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. |
3429.7 | 2+ | < 0.12 ps | XREF: p(?). |
3976.3 | 1+ | < 40 fs | XREF: J(3989). |
4333.4 | (0-:4-) | 0.24 ps +49-17 | XREF: H(4340). |
4641 | (1:5)- | XREF: J(4660). | |
5253.7 | (9+) | Jπ(level): Based on comparison of states in 38K with 0+,g.s.; 2+,1970; 3-,4180; 5-,5170; 4-,5900 and 6-,7350 levels in 36Ar when (7)+ at 3458 in 38K is lined up with the 0+, g.s. of 36Ar. Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. | |
5254 | 1+,2+ | XREF: H(5260). | |
5333 | XREF: H(5350). | ||
5459 | (1+,2+) | XREF: H(5468). | |
5852 | 1+,2+ | XREF: H(5840). | |
6380 | (0:4)+ | XREF: Q(6420). | |
6720 | (1+) | XREF: γ(6700). | |
7396.8 | (10-) | Jπ(level): Based on comparison of states in 38K with 0+,g.s.; 2+,1970; 3-,4180; 5-,5170; 4-,5900 and 6-,7350 levels in 36Ar when (7)+ at 3458 in 38K is lined up with the 0+, g.s. of 36Ar. Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. | |
8693.1 | (12-) | Jπ(level): Based on comparison of states in 38K with 0+,g.s.; 2+,1970; 3-,4180; 5-,5170; 4-,5900 and 6-,7350 levels in 36Ar when (7)+ at 3458 in 38K is lined up with the 0+, g.s. of 36Ar. Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. | |
8747.5 | (11-) | Jπ(level): Based on comparison of states in 38K with 0+,g.s.; 2+,1970; 3-,4180; 5-,5170; 4-,5900 and 6-,7350 levels in 36Ar when (7)+ at 3458 in 38K is lined up with the 0+, g.s. of 36Ar. Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. | |
10260 | (1+) | XREF: γ(10200). | |
10980.6 | (13-) | Jπ(level): Based on comparison of states in 38K with 0+,g.s.; 2+,1970; 3-,4180; 5-,5170; 4-,5900 and 6-,7350 levels in 36Ar when (7)+ at 3458 in 38K is lined up with the 0+, g.s. of 36Ar. Based on J=7 for 3458 level, for less likely choice of J(3458)=5, spin would be 2 units less. |
E(level) | E(gamma) | Comments |
130.22 | 130.1 | E(γ): from 2008Le12 in 38K IT decay. |
458.53 | 328.1 | E(γ): weighted average of 328.3 3 from (16O,pnγ), 328.5 3 from (α,nγ), 327.4 5 from (3He,pγ), 332 2 from (3He,αγ), and 327.9 2 from (d,αγ). I(γ): from (d,αγ) M(γ): d from γ(θ) and polarity=M indicated by substate population data in (d,αγ) | 458.6 | E(γ): weighted average of 458.7 3 from (α,nγ) and 458.4 4 from (d,αγ). I(γ): weighted average of 0.96 10 from (α,nγ), and 1.5 3 from (d,αγ). |
1697.65 | 1239 | I(γ): from 38Ca ε decay | 1567.4 | E(γ): weighted average of 1566.4 6 from (3He,pγ), 1567.7 5 from 38Ca ε decay, and 1567.4 2 from (d,αγ) M(γ): d from γ(θ) polarity=M indicated by substate population data in (d,αγ) | 1698 | I(γ): from 38Ca ε decay |
2401.12 | 1942.5 | E(γ): weighted average of 1942.6 10 from (3He,pγ), 1944 2 from (3He,αγ), and 1942.5 1 from (d,αγ). I(γ): from (d,αγ) | 2270.5 | E(γ): weighted average of 2270.3 15 from (3He,pγ) and 2270.6 9 from (d,αγ). I(γ): weighted average of 6.4 21 from (3He,pγ) and 9 2 from (d,αγ). |
2613.01 | 2613.0 | E(γ): weighted average of 2613.0 3 from (16O,pnγ) and 2612.9 4 from (d,αγ). |
2646.19 | 2646.0 | E(γ): weighted average of 2646.0 2 from (16O,pnγ), 2645 1 from (π-,2n),(π-,2nγ), and 2646.3 7 from (d,αγ). I(γ): from (16O,pnγ) |
2827.4 | 425.3 | E(γ): weighted average of 424.4 13 from (3He,pγ) and 425.6 8 from (d,αγ). I(γ): from (d,αγ). Other: 11 3 from (3He,pγ) | 2697.9 | E(γ): weighted average of 2696.5 12 from (3He,pγ) and 2698.3 6 from (d,αγ). I(γ): from (d,αγ) |
2869.2 | 467.0 | E(γ): weighted average of 465.3 10 from (3He,pγ) and 467.6 6 from (d,αγ). I(γ): weighted average of 58 13 from (3He,pγ) and 31.4 5 from (d,αγ). | 1171.6 | E(γ): weighted average of 1170.6 13 from (3He,pγ) and 1171.9 7 from (d,αγ). I(γ): weighted average of 40 11 from (3He,pγ) and 17.0 10 from (d,αγ). | 2411.2 | E(γ): weighted average of 2410.8 17 from (3He,pγ) and 2411.6 17 from (d,αγ). I(γ): weighted average of 66 19 from (3He,pγ) and 57.8 7 from (d,αγ). | 2869.8 | E(γ): weighted average of 2868.9 15 from (3He,pγ) and 2870.1 9 from (d,αγ). I(γ): from (d,αγ) |
2993.0 | 2534.4 | E(γ): from (d,αγ) |
3315.4 | 914.1 | E(γ): weighted average of 913.8 8 from (3He,pγ) and 914.7 12 from (d,αγ). I(γ): from (d,αγ) | 3315.5 | E(γ): weighted average of 3316.3 15 from (3He,pγ) and 3314.9 12 from (d,αγ). I(γ): weighted average of 70 7 from (3He,pγ) and 82 7 from (d,αγ). |
3341.1 | 1643 | I(γ): from 38Ca ε decay | 2883 | I(γ): from 38Ca ε decay | 3210.7 | E(γ): from (d,αγ) I(γ): from 38Ca ε decay |
3420.07 | 773.9 | M(γ): from γ(θ) and γ(lin pol) in 24Mg(16O,pnγ) |
3429.7 | 1028.0 | E(γ): unweighted average of 1026.8 7 from (3He,pγ) and 1029.1 7 from (d,αγ). I(γ): from (3He,pγ) | 3430.3 | E(γ): weighted average of 3430.2 15 from (3He,pγ) and 3431 4 from (d,αγ). I(γ): from (3He,pγ) |
E(level) | E(gamma) | Comments |
3614.6 | 968.4 | E(γ): from (d,αγ) |
3668.1 | 1267.0 | E(γ): from (d,αγ) |
3687.6 | 1041.3 | E(γ): unweighted average of 1039.6 7 from (3He,pγ) and 1042.9 3 from (d,αγ). I(γ): from (3He,pγ). Other: 217 44 in (d,αγ) | 1074.3 | E(γ): weighted average of 1073.3 7 from (3He,pγ) and 1075.3 7 from (d,αγ). I(γ): from (3He,pγ). Other: 100 33 in (d,αγ) | 3557 | E(γ): γ from (d,αγ) only | 3690 | E(γ): from (3He,pγ) only |
3703.7 | 1302.6 | E(γ): from (d,αγ) |
3813.6 | 1412.1 | E(γ): weighted average of 1412.3 13 from (3He,pγ) and 1412.1 7 from (d,αγ). I(γ): from (3He,pγ) |
3855.8 | 3725.4 | E(γ): from (d,αγ) |
3931.0 | 1318.0 | E(γ): from (d,αγ) |
3976.3 | 3516.4 | I(γ): from (3He,pγ). Other: 7 6 in 38Ca ε decay | 3848.0 | E(γ): weighted average of 3847.6 19 from (3He,pγ) and 3848.5 21 from (d,αγ). I(γ): from (3He,pγ) |
4700.9 | 1086.3 | E(γ): from (d,αγ) |
5253.7 | 1795.6 | E(γ): from (16O,pnγ) |
7396.8 | 2143.0 | E(γ): from (16O,pnγ) |
8693.1 | 1296.3 | E(γ): from (16O,pnγ) |
8747.5 | 1350.7 | E(γ): from (16O,pnγ) |
10980.6 | 2287.4 | E(γ): from (16O,pnγ) |
First identification of 38K nuclide by 1937Hu01, according to the 2012Th10 compilation of isotope discoveries.
Mass measurements: 2011Er02, 2007Ya08.
Hyperfine structure: 2014Pa45, 2014Kr04, 2014Bi10
Q-value: Q(β+)=5914.07 4, S(2n)=27526.3 4, S(2p)=13856.69 20 (2017Wa10)