ADOPTED LEVELS, GAMMAS for 39Ar
Author: Jun Chen | Citation: Nucl. Data Sheets 149, 1 (2018) | Cutoff date: 1-Jan-2018
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=565 keV 5 | S(n)= 6599 keV 5 | S(p)= 10733 keV 5 | Q(α)= -6821 keV 5 | ||
Reference: 2017WA10 |
References: | |||
A | 39Cl β- decay (56.2 M) | B | 36S(α,nγ) |
C | 37Cl(3He,p) | D | 37Cl(α,d) |
E | 38Ar(d,p) | F | 38Ar(d,pγ) |
G | 39K(n,p) | H | 39K(n,pγ) |
I | 40Ar(p,d) | J | 40Ar(d,t),(pol d,t) |
K | 40Ar(3He,α) | L | 40Ar(16O,17O) |
M | 40Ca(μ-,NUPG) | N | 40Ca(14C,15O) |
O | 41K(d,α) | P | (HI,xnγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0 | ABCDEFGHIJKLMNOP | 7/2- | 268 y 8 % β- = 100 | |||||
1267.207 8 | ABCDEFGHIJKLMNO | 3/2- | < 0.5 ns | 1267.191 11 | 100 | E2(+M3) | 0 | 7/2- |
1517.540 8 | ABCDEFGHIJKLM O | 3/2+ | 0.95 ns 5 | 250.333 3 1517.498 10 | 100.0 22 85.0 19 | E1 M2+E3 | 1267.207 0 | 3/2- 7/2- |
2092.749 19 | ABCDEFGHIJKLM O | 5/2- | < 35 fs | 825.54 2092.74 3 | 4.4 8 100.0 8 | M1+E2 | 1267.207 0 | 3/2- 7/2- |
2342.2 2 | BCD F H M O | (5/2-,7/2,9/2-) | 118 fs 35 | 2341 1 | 100 | 0 | 7/2- | |
2358.284 11 | ABC EF HIJK M | 1/2+ | > 0.42 ps | 840.775 25 1091.056 8 | 5.50 13 100.0 20 | 1517.540 1267.207 | 3/2+ 3/2- | |
2433.48 3 | AB EF HI M O | 3/2- | 0.69 ps 28 | 915.86 10 1166.25 5 2433.49 8 | 7.8 21 100.0 13 34.3 13 | [E1] M1+E2 E2 | 1517.540 1267.207 0 | 3/2+ 3/2- 7/2- |
2481.49 13 | BCDEF H K M O | 7/2- | 0.35 ps 15 | 388.7 2481.4 | 21.2 7 100.0 7 | M1(+E2) M1+E2 | 2092.749 0 | 5/2- 7/2- |
2503.418 11 | ABC FGHIJK M O | (5/2)+ | 1.0 ps 4 | 410.690 20 985.861 9 1236.19 5 2503.28 7 | 4.59 10 100.0 18 2.87 13 0.26 3 | [E1] [E1] | 2092.749 1517.540 1267.207 0 | 5/2- 3/2+ 3/2- 7/2- |
2523.74 17 | BC FGH J M | (5/2-,7/2,9/2-) | 0.23 ps 9 | 2523.65 | 100 | 0 | 7/2- | |
2631.56 15 | BC EF HIJ M O | 3/2- | 0.7 ps +10-4 | 538.8 1114.0 1364.3 | 100.0 25 16.5 12 7.0 10 | M1(+E2) [E1] | 2092.749 1517.540 1267.207 | 5/2- 3/2+ 3/2- |
2651.12 25 | B D F H P | 11/2- | 0.7 ps 2 | 2651.02 25 | 100 | E2 | 0 | 7/2- |
2755.5 3 | BCD F HI K M O | 5/2- | 0.12 ps 5 | 1488.3 2755.4 | 77.6 25 100.0 25 | M1(+E2) M1+E2 | 1267.207 0 | 3/2- 7/2- |
2829.934 17 | AB F IJK M O | 1/2+ | > 0.69 ps | 396.46 4 1312.360 20 1562.704 25 | 15.3 6 87.0 21 100.0 23 | [E1] | 2433.48 1517.540 1267.207 | 3/2- 3/2+ 3/2- |
2949.95 10 | AB F I KLM O | (3/2+,5/2) | 0.30 ps +28-14 | 446.61 13 1432.27 15 | 100.0 20 94.6 20 | 2503.418 1517.540 | (5/2)+ 3/2+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3061.9 2 | BCDEF IJK O | 5/2-,7/2- | 0.10 ps 4 | 969.1 3061.8 | 30.7 17 100.0 17 | 2092.749 0 | 5/2- 7/2- | |
3090 20 | GH | (3/2-,5/2) | 1574 1823 3090 | | 1517.540 1267.207 0 | 3/2+ 3/2- 7/2- | ||
3159.9 3 | BCDEF H K O | 5/2-,7/2- | 1.4 ps +14-6 | 636.2 678.4 3159.8 | 40.0 20 28.9 17 100.0 24 | 2523.74 2481.49 0 | (5/2-,7/2,9/2-) 7/2- 7/2- | |
3210 20 | H J | |||||||
3265.6 3 | BCDEF H M O | 3/2- | < 48 fs | 634.0 832.1 1998.3 | 1.5 2 0.7 2 100.0 4 | M1+E2 | 2631.56 2433.48 1267.207 | 3/2- 3/2- 3/2- |
3287.0 4 | BC F HI K M O | 1/2+ | 0.25 ps +28-12 | 2019.7 | 100 | [E1] | 1267.207 | 3/2- |
3360.7 3 | B F HIJK O | 5/2+ | 0.08 ps 6 | 1843.1 | 100 | 1517.540 | 3/2+ | |
3381 6 | CD HIJK O | 3/2+,5/2+ | ||||||
3448 6 | D GH K O | (11/2:17/2)+ | ||||||
3524 8 | O | |||||||
3562.6 4 | BC EF H JK O | 3/2- | < 45 fs | 3562.4 | 100 | [E2] | 0 | 7/2- |
3625 8 | C HIJK O | 1/2-,3/2- | ||||||
3682 8 | C H J O | |||||||
3740 8 | O | |||||||
3836 8 | C GHI K O | |||||||
3890 8 | C E HIJK O | (5/2)+ | ||||||
3958 8 | H JK O | |||||||
3992.0 4 | D P | (13/2)+ | 0.8 ps 2 | 1340.90 20 | 100 | E1 | 2651.12 | 11/2- |
4040 30 | H | |||||||
4120 30 | C J | |||||||
4178 8 | CDE I K O | 1/2-,3/2- | ||||||
4255 8 | CDE HIJK O | 7/2- | ||||||
4332 8 | C H J O | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4375 10 | E H J | 1/2-,3/2- | ||||||
4398 8 | C H O | |||||||
4473 8 | CD G IJK O | 3/2+,5/2+ | ||||||
4504 8 | D G I K | |||||||
4530 10 | CD G K | (3/2)+ | ||||||
4543.1 4 | P | (15/2)+ | 1.1 ps 2 | 551.08 10 | 100 | M1 | 3992.0 | (13/2)+ |
4572 8 | G K O | |||||||
4638 8 | O | |||||||
4710 8 | G O | |||||||
4816 8 | CD I K O | (3/2)+ | ||||||
4911 8 | C E IJK O | (1/2-,3/2,5/2+) | ||||||
4927 10 | D | (11/2,13/2)+ | ||||||
4991 8 | CD G O | (11/2:17/2)+ | ||||||
5005 8 | C E G I K | 1/2-,3/2- | ||||||
5159 8 | CDE IJ | 5/2-,7/2- | ||||||
5198 8 | I K | |||||||
5245 15 | CD K | (11/2,13/2)+ | ||||||
5320 8 | E G I K | 1/2-,3/2- | ||||||
5385 8 | E G I | |||||||
5422 8 | C G I K | 1/2+ | ||||||
5525 8 | C E I K | 5/2-,7/2- | ||||||
5535.5 5 | D P | (17/2)+ | < 0.7 ps | 992.4 3 | 100 | M1 | 4543.1 | (15/2)+ |
5602 8 | C G I K | |||||||
5670 10 | E G K | 1/2-,3/2- | ||||||
5742 10 | C K | |||||||
5811 10 | CD | (11/2:17/2)+ | ||||||
5821 10 | C E K | 1/2-,3/2- | ||||||
5926 10 | C E G K | 1/2-,3/2- | ||||||
5946 10 | G K | |||||||
6057 20 | C E G | 5/2-,7/2- | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
6120 10 | C E K | 1/2-,3/2- | ||||||
6230 10 | D | (11/2,13/2)+ | ||||||
6278 20 | C E | 5/2-,7/2- | ||||||
6317 10 | K | |||||||
6385 20 | C E | 5/2-,7/2- | ||||||
6490 10 | C E K | 5/2-,7/2- | ||||||
6591 10 | C K | |||||||
6637 | C | |||||||
6688 20 | C E K | |||||||
6759 20 | E | |||||||
6789 20 | E | (1/2,5/2)- | ||||||
6820 | C K | |||||||
6874 10 | C E K | |||||||
6996 20 | C E | (1/2,5/2)- | ||||||
7073 10 | E K | (1/2,5/2)- | ||||||
7137 20 | E | (1/2,5/2)- | ||||||
7222 20 | E | (5/2)- | ||||||
7288 10 | K | |||||||
7356 10 | E K | (5/2)- | ||||||
7401 20 | E | (5/2)- | ||||||
7465 15 | E K | (5/2)- | ||||||
7561 10 | E K | (5/2)- | ||||||
7639 15 | E K | (5/2)- | ||||||
7729 10 | E K | (5/2)- | ||||||
7741 15 | K | |||||||
7806 10 | K | |||||||
7925 10 | K | |||||||
8042 10 | K | |||||||
8147 10 | K | |||||||
8174 10 | K | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
8276 15 | K | |||||||
8300 20 | K | |||||||
8395 15 | K | |||||||
8532 20 | K | |||||||
8638 10 | K | |||||||
8820 15 | K | |||||||
8902 15 | K | |||||||
9002 10 | K | |||||||
9075 10 | C K | 3/2+,5/2+ | ||||||
9239 10 | K | |||||||
9463 10 | K | 1/2+ | ||||||
9858 15 | K | |||||||
10455? | K | |||||||
10755 10 | K | |||||||
10857 10 | K | |||||||
10947 10 | K | |||||||
11148 10 | K | |||||||
11312 10 | K | 1/2+ |
E(level): From a least-squares fit to γ-ray energies with uncertainties for levels connected by those γ rays, others are from (α,nγ) up to 3563 level if available or from (3He,α) if only data from transfer reactions are available, unless otherwise noted.
T1/2(level): From DSAM in (α,nγ) (1978St16) for low-spin (J<11/2) levels, unless otherwise noted. For high-spin (J|>11/2) levels, values are from RDM in (HI,xnγ) (1977Ke13).
E(γ): Values with uncertainties are from 39Cl β- decay below 3287 level and from (HI,xnγ) above that; values without uncertainties are from level-energy differences, unless otherwise noted.
I(γ): From 39Cl β- decay and/or (α,nγ); weighted average is taken where values from both available, unless otherwise noted.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
1267.207 | 3/2- | < 0.5 ns | 1267.191 11 | E2(+M3) | +0.06 4 | 6.09×10-5 | B(E2)(W.u.)>0.044, α=6.09E-5 10, α(K)=3.60E-5 7, α(L)=2.94E-6 6, α(M)=2.87E-7 6 |
1517.540 | 3/2+ | 0.95 ns 5 | 250.333 3 | E1 | 9.86×10-4 | B(E1)(W.u.)=2.13E-5 +17-15, α=9.86E-4, α(K)=0.000905 13, α(L)=7.41E-5 11, α(M)=7.21E-6 10 | |
3/2+ | 0.95 ns 5 | 1517.498 10 | M2+E3 | +0.20 4 | 6.78×10-5 | B(E3)(W.u.)=13 +8-6, B(M2)(W.u.)=0.156 +16-14, α=6.78E-5 10, α(K)=3.80E-5 6, α(L)=3.11E-6 5, α(M)=3.04E-7 5 | |
2092.749 | 5/2- | < 35 fs | 2092.74 3 | M1+E2 | -0.21 6 | 3.03×10-4 | B(E2)(W.u.)>1.1, B(M1)(W.u.)>0.061, α=3.03E-4, α(K)=1.211E-5 18, α(L)=9.88E-7 14, α(M)=9.65E-8 14 |
2433.48 | 3/2- | 0.69 ps 28 | 915.86 10 | [E1] | B(E1)(W.u.)=6E-5 +7-3 | ||
3/2- | 0.69 ps 28 | 1166.25 5 | M1+E2 | +0.41 11 | 4.16×10-5 | B(E2)(W.u.)=5 +8-3, B(M1)(W.u.)=0.012 +11-5, α=4.16E-5 11, α(K)=3.48E-5 9, α(L)=2.85E-6 7, α(M)=2.78E-7 7 | |
3/2- | 0.69 ps 28 | 2433.49 8 | E2 | 5.36×10-4 | B(E2)(W.u.)=0.30 +25-10, α=5.36E-4, α(K)=1.012E-5 15, α(L)=8.26E-7 12, α(M)=8.07E-8 12 | ||
2481.49 | 7/2- | 0.35 ps 15 | 388.7 | M1(+E2) | +0.03 12 | 3.47×10-4 | B(M1)(W.u.)=0.19 +17-7, α=3.47×10-4 18, α(K)=0.000318 17, α(L)=2.62E-5 14, α(M)=2.55E-6 14 |
7/2- | 0.35 ps 15 | 2481.4 | M1+E2 | -7 +3-16 | 5.57×10-4 | B(E2)(W.u.)=1.8 +15-6, B(M1)(W.u.)<4E-4, α=5.57E-4 9, α(K)=9.78E-6 14, α(L)=7.99E-7 12, α(M)=7.79E-8 11 | |
2503.418 | (5/2)+ | 1.0 ps 4 | 410.690 20 | [E1] | 2.37×10-4 | B(E1)(W.u.)=0.00036 +29-11, α=2.37E-4, α(K)=0.000218 3, α(L)=1.783E-5 25, α(M)=1.737E-6 25 | |
(5/2)+ | 1.0 ps 4 | 1236.19 5 | [E1] | 1.00×10-4 | B(E1)(W.u.)=8E-6 +7-3, α=1.00E-4, α(K)=1.84E-5 3, α(L)=1.500E-6 21, α(M)=1.463E-7 21 | ||
2631.56 | 3/2- | 0.7 ps +10-4 | 538.8 | M1(+E2) | +0.07 14 | 1.71×10-4 | B(M1)(W.u.)=0.16 +23-10, α=1.71×10-4 9, α(K)=0.000157 8, α(L)=1.29E-5 7, α(M)=1.25E-6 7 |
3/2- | 0.7 ps +10-4 | 1114.0 | [E1] | 3.96×10-5 | B(E1)(W.u.)=8E-5 +13-5, α=3.96E-5 6, α(K)=2.21E-5 3, α(L)=1.81E-6 3, α(M)=1.764E-7 25 | ||
2651.12 | 11/2- | 0.7 ps 2 | 2651.02 25 | E2 | 6.37×10-4 | B(E2)(W.u.)=0.79 +32-18, α=6.37E-4, α(K)=8.77E-6 13, α(L)=7.16E-7 10, α(M)=6.99E-8 10 | |
2755.5 | 5/2- | 0.12 ps 5 | 1488.3 | M1(+E2) | -0.01 5 | 8.43×10-5 | B(M1)(W.u.)=0.024 +20-8, α=8.43×10-5 12, α(K)=2.15E-5 3, α(L)=1.758E-6 25, α(M)=1.715E-7 24 |
5/2- | 0.12 ps 5 | 2755.4 | M1+E2 | +0.37 10 | 5.88×10-4 | B(E2)(W.u.)=0.26 +44-16, B(M1)(W.u.)=0.0043 +39-16, α=5.88E-4 11, α(K)=7.85E-6 12, α(L)=6.40E-7 10, α(M)=6.25E-8 9 | |
2829.934 | 1/2+ | > 0.69 ps | 396.46 4 | [E1] | 2.61×10-4 | B(E1)(W.u.)<0.0010, α=2.61E-4, α(K)=0.000240 4, α(L)=1.96E-5 3, α(M)=1.91E-6 3 | |
3265.6 | 3/2- | < 48 fs | 1998.3 | M1+E2 | -16 6 | 3.29×10-4 | B(E2)(W.u.)>45, B(M1)(W.u.)>0.00012, α=3.29E-4, α(K)=1.431E-5 20, α(L)=1.169E-6 17, α(M)=1.141E-7 16 |
3287.0 | 1/2+ | 0.25 ps +28-12 | 2019.7 | [E1] | 6.65×10-4 | B(E1)(W.u.)=0.00029 +27-15, α=6.65E-4, α(K)=8.41E-6 12, α(L)=6.86E-7 10, α(M)=6.70E-8 10 | |
3562.6 | 3/2- | < 45 fs | 3562.4 | [E2] | 1.02×10-3 | B(E2)(W.u.)>2.8, α=1.02E-3, α(K)=5.51E-6 8, α(L)=4.50E-7 7, α(M)=4.39E-8 7 | |
3992.0 | (13/2)+ | 0.8 ps 2 | 1340.90 20 | E1 | 1.69×10-4 | B(E1)(W.u.)=0.00030 +11-7, α=1.69E-4, α(K)=1.595E-5 23, α(L)=1.303E-6 19, α(M)=1.271E-7 18 | |
4543.1 | (15/2)+ | 1.1 ps 2 | 551.08 10 | M1 | 1.62×10-4 | B(M1)(W.u.)=0.120 +27-19, α=1.62×10-4, α(K)=0.0001485 21, α(L)=1.218E-5 17, α(M)=1.188E-6 17 | |
5535.5 | (17/2)+ | < 0.7 ps | 992.4 3 | M1 | B(M1)(W.u.)>0.032 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 7/2- | 268 y 8 % β- = 100 | μ=-1.588 15 (1996Kl04), Q=-0.12 3 (1996Kl04) Δ<r2>(38Ar,39Ar)=0.04 fm-2 7 (1996Kl04). |
1517.540 | 3/2+ | 0.95 ns 5 | XREF: γ(1570)J(1530). |
2092.749 | 5/2- | < 35 fs | XREF: γ(2170). |
2358.284 | 1/2+ | > 0.42 ps | XREF: E(2347)J(2380). |
2631.56 | 3/2- | 0.7 ps +10-4 | XREF: J(2670). |
2829.934 | 1/2+ | > 0.69 ps | XREF: J(2860)K(?). |
3061.9 | 5/2-,7/2- | 0.10 ps 4 | XREF: J(3100). |
3287.0 | 1/2+ | 0.25 ps +28-12 | XREF: I(3277). |
3360.7 | 5/2+ | 0.08 ps 6 | XREF: I(3350)J(3330). |
3381 | 3/2+,5/2+ | XREF: J(3410). | |
3448 | (11/2:17/2)+ | Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
3562.6 | 3/2- | < 45 fs | XREF: K(?). |
3890 | (5/2)+ | XREF: H(3910). | |
3958 | XREF: H(?)J(3980)K(?). | ||
4120 | XREF: C(4111). | ||
4332 | XREF: H(?). | ||
4398 | XREF: C(4408). | ||
4572 | XREF: K(?). | ||
4710 | XREF: γ(?). | ||
4911 | (1/2-,3/2,5/2+) | XREF: C(4925)K(4925). | |
4927 | (11/2,13/2)+ | Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
4991 | (11/2:17/2)+ | Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
5005 | 1/2-,3/2- | XREF: E(4990). | |
5245 | (11/2,13/2)+ | XREF: K(?). Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
5320 | 1/2-,3/2- | XREF: K(?). | |
E(level) | Jπ(level) | T1/2(level) | Comments |
5385 | XREF: E(5351). | ||
5525 | 5/2-,7/2- | XREF: E(5508). | |
5811 | (11/2:17/2)+ | Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
5821 | 1/2-,3/2- | XREF: E(5801). | |
5926 | 1/2-,3/2- | XREF: C(5908). | |
6120 | 1/2-,3/2- | XREF: C(6153). | |
6230 | (11/2,13/2)+ | Jπ(level): (11/2:17/2)+ from L(α,d)=6; (11/2,13/2)+ from L(α,d)=4+6. Jπ=7/2+,9/2+ are also possible but less likely since such levels should be populated by lower (L=2 or 4) transfers. | |
6688 | XREF: K(?). | ||
6789 | (1/2,5/2)- | Jπ(level): L(d,p)=1,3 and 1/2,5/2 preferred from shell-model considerations. | |
6820 | XREF: K(?). | ||
6996 | (1/2,5/2)- | XREF: C(6950). Jπ(level): L(d,p)=1,3 and 1/2,5/2 preferred from shell-model considerations. | |
7073 | (1/2,5/2)- | Jπ(level): L(d,p)=1,3 and 1/2,5/2 preferred from shell-model considerations. | |
7137 | (1/2,5/2)- | Jπ(level): L(d,p)=1,3 and 1/2,5/2 preferred from shell-model considerations. | |
7222 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7356 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7401 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7465 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7561 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7639 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. | |
7729 | (5/2)- | Jπ(level): L(d,p)=3 and J=5/2 preferred from shell-model considerations. |
E(level) | E(gamma) | Comments |
1267.207 | 1267.191 | E(γ): others: 1266.5 10 from (n,pγ) |
1517.540 | 250.333 | E(γ): other: 250 1 from (n,pγ) I(γ): from (α,nγ). Other: 100 4 from 39Cl β- decay M(γ): from βγ(θ,circ pol) (1976Fa10) and ce data (1956Pe38) in 39Cl β- decay | 1517.498 | E(γ): others: 1516.5 10 from (n,pγ) I(γ): weighted average of 85.1 19 from 39Cl β- decay (56.2 m), and 84.8 22 from (α,nγ) |
2092.749 | 825.54 | I(γ): weighted average of 10 5 from 39Cl β- decay (56.2 m), 4.1 8 from (α,nγ), and 9 5 from (n,pγ). | 2092.74 | I(γ): from (α,nγ). |
2342.2 | 2341 | E(γ): from (n,pγ), 2342.1 from level-difference |
2358.284 | 840.775 | I(γ): from 39Cl β- decay. Other: 5.3 21 from (α,nγ) | 1091.056 | E(γ): other: 1091 1 from (n,pγ) I(γ): from 39Cl β- decay |
2433.48 | 915.86 | I(γ): weighted average of 18 12 from 39Cl β- decay and 7.5 21 from (α,nγ) | 1166.25 | E(γ): other: 1165.5 10 from (n,pγ) I(γ): from (α,nγ) | 2433.49 | E(γ): other: 2432 2 from (n,pγ) I(γ): weighted average of 36.5 23 from 39Cl β- decay (56.2 m), 33.6 13 from (α,nγ), and 33 13 from (n,pγ). |
2481.49 | 388.7 | E(γ): 389 1 from (n,pγ) I(γ): from (α,nγ). Other: 25 10 from 39Cl β- decay | 2481.4 | E(γ): 2480 2 from (n,pγ). I(γ): from (α,nγ) |
2503.418 | 410.690 | I(γ): from 39Cl β- decay. Other: <11 from (α,nγ) | 985.861 | E(γ): other: 985.5 10 from (n,pγ) I(γ): from 39Cl β- decay. | 1236.19 | I(γ): from 39Cl β- decay. Other: 10 3 from (α,nγ) | 2503.28 | I(γ): from 39Cl β- decay. |
2523.74 | 2523.65 | E(γ): 2523 2 from (n,pγ) |
2631.56 | 538.8 | E(γ): 540 1 from (n,pγ) I(γ): from (α,nγ) | 1114.0 | I(γ): from (α,nγ) | 1364.3 | I(γ): from (α,nγ) |
2651.12 | 2651.02 | E(γ): other: 2650 2 from (n,pγ) M(γ): from γ(θ,pol) in (HI,xnγ) |
2755.5 | 1488.3 | I(γ): from (α,nγ) | 2755.4 | E(γ): other: 2755 2 from (n,pγ) I(γ): from (α,nγ) |
2829.934 | 396.46 | I(γ): from 39Cl β- decay. Other: <13 from (α,pγ) | 1312.360 | I(γ): weighted average of 87.7 21 from 39Cl β- decay (56.2 m), 86.2 24 from (α,nγ) | 1562.704 | I(γ): from 39Cl β- decay |
E(level) | E(gamma) | Comments |
2949.95 | 446.61 | I(γ): from (α,nγ) | 1432.27 | I(γ): from (α,nγ). Other: 92 12 from 39Cl β- decay |
3061.9 | 969.1 | I(γ): from (α,nγ) | 3061.8 | I(γ): from (α,nγ) |
3090 | 1574 | E(γ): from (n,pγ) only | 1823 | E(γ): from (n,pγ) only | 3090 | E(γ): from (n,pγ) only |
3159.9 | 636.2 | I(γ): from (α,nγ) | 678.4 | I(γ): from (α,nγ) | 3159.8 | I(γ): from (α,nγ) |
3265.6 | 634.0 | I(γ): from (d,pγ) | 832.1 | I(γ): from (d,pγ) | 1998.3 | I(γ): from (d,pγ) |
3992.0 | 1340.90 | M(γ): from γ(θ,pol) in (HI,xnγ) |
4543.1 | 551.08 | M(γ): from γ(θ,pol) in (HI,xnγ) |
5535.5 | 992.4 | M(γ): d from γ(θ) in (HI,xnγ); polarity from no level-parity change based on transfer reaction data. |
First identification of 39Ar nuclide by 1950Br66 from β-decay spectrum.
Other reactions:
2002Oz03: C(39Ar,x): effective radii measured
1979Lo11: 44Ca(α,9Be) E=100 MeV: measured σ(θ)
1979Sc02, 1982Ra15: 40Ca(π-,p) E=at rest
1987Bl07: 40Ca(π-,p) E=120 MeV, measured σ(θ)
Hyperfine structure, isotope shift, etc: 1996Kl04, 1967Tr12
Q-value: S(2n)=18437 5, S(2p)=20924 5 (2017Wa10)