ADOPTED LEVELS for 40Sc
Author: Jun Chen | Citation: Nucl. Data Sheets 140, 1 (2017) | Cutoff date: 30-Sep-2015
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-11.67×103 keV 16 | S(n)= 14422 keV 24 | S(p)= 529.6 keV 29 | Q(α)= -5531.2 keV 28 | ||
Reference: 2012WA38 |
References: | |||
A | 40Ti ε decay (52.4 MS) | B | 40Ca(3He,t) |
C | 40Ca(12C,12B) | D | 40Ca(p,n),(pol p,n) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
0 | BCD | 4- | 182.3 ms 7 % ε = 100 % εp = 0.44 7 % εα = 0.017 5 |
34.3 15 | BCD | (3-) | |
772.1 16 | BCD | (2-) | |
893.5 20 | BCD | (5-) | |
1670.7 19 | B | (1-&2-) | |
1703.2 22 | B | ||
1797.0 24 | B | (3-) | |
1871 3 | B | ||
1933 3 | B | ||
2276 7 | A | 1+ | |
2370 4 | B D | (4-) | |
2746 7 | A D | 1+ | |
2933 11 | A | 1+ | |
3030 | B | (3-) | |
3135 17 | AB | 1+ | |
3221 60 | A | 1+ | |
3330 17 | AB | 1+ | |
3409 62 | AB | 1+ | |
3494 8 | AB | ||
3648 9 | A | 1+ | |
3780 9 | A | 1+ | |
3.9E3 1 | A D | (1-,2-) | |
4060 22 | A | 1+ | |
4129 21 | A | 1+ | |
4264 9 | A D | 1+ | |
4359 8 | A | 0+ | |
4518 12 | A | 1+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
4649 11 | A | 1+ | |
4819 19 | A | 1+ | |
4895 15 ? | A | ||
5014 22 | A | 1+ | |
5080 29 | A | 1+ | |
5221 29 ? | A | ||
5354 62 | A | 1+ | |
5567 41 | A | 1+ | |
5702 21 | A | 1+ | |
5879 82 | A | 1+ | |
6005 20 | A | 1+ | |
6120 62 | A | 1+ | |
6419 62 | A | 1+ | |
7.5E3 25 | D | (6-) | |
12.9E3 37 | AB D | (0-,1-,2-) |
E(level): From (3He,t) for levels up to E=1933 keV and from 40Ti ε decay, unless otherwise noted.
Jπ(level): 1+ assignments for levels above E=1933 keV are from 40Ti ε decay based on log ft<5.2 from 0+; assignments for levels up to E=1933 keV are from DWBA analysis of σ(θ) in (3He,t) if applicable, unless otherwise noted.
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 4- | 182.3 ms 7 % ε = 100 % εp = 0.44 7 % εα = 0.017 5 | T=1 %εα, %εp: from 1982Ho09. E(level): %εα, %εp: from 1982Ho09. |
34.3 | (3-) | T=1 dominant configuration=(πf7/2,νd3/2-1) (1986Ch19) in (p,n). | |
772.1 | (2-) | XREF: C(740). | |
2370 | (4-) | XREF: d(2300). | |
2746 | 1+ | T=1 XREF: d(2700). | |
3135 | 1+ | XREF: B(3140). | |
3330 | 1+ | XREF: B(3360). | |
3409 | 1+ | XREF: B(3450). | |
3494 | XREF: α(3534). | ||
3.9E3 | (1-,2-) | XREF: α(?). | |
4264 | 1+ | XREF: d(4300). | |
7.5E3 | (6-) | T=1 dominant configuration=(πf7/2,νd5/2-1) (1983An06, 1986Ch19) in (p,n). | |
12.9E3 | (0-,1-,2-) | XREF: d(12000). |
Other reactions:
40Ca(γ,π-): 1985To14, 1982To10: E=400 MeV. Measured σ, deduced pion production. 1973Gr21: E=340 MeV. Measured σ.
40Ca(π+,π): 1987Bo43, 1986Ir02, 1986Er09, 1984Er03, 1984Bo51, 1983Ba13, 1982Ba50: E=120, 165, 230 MeV. Measured σ(θ)
40Ca(π+,π+π-): 2001Ca53, 2000Bo38, 2000Gr28, 1999Bo25, 1997Bo15, 1996Bo09: E=283 MeV, measured pion invariant mass spectra
40Ca(6Li,6He): 1974Ga11: E=38 MeV. Upper limits on cross sections estimated for excitation energy up to 1700 as: <2.5 μb for 10|’ <0.4 μb for 30|’. No peaks were observed in 6He spectra
40Ca(6Li,6He): 1980GuZW: E=92 MeV. Measured σ, deduced t=1 magnetic giant resonance. Details of this study are not available
Delayed 2-proton radioactivity of 42Cr to levels in 40Sc is possible but none has been detected by 2001Gi01. An unexplained proton group at 2490 30 from 42Cr decay could be an L=0 2-proton transition from IAS to first excited 0+ state in 40Sc, but no γ rays were observed
In (12C,12B), 1988Vo06 identify population of 1+ states in 4.9-5.0 MeV region at low angles; a 6- state near 6 MeV at larger angles; and strong low-lying states of unnatural parity characterized by L=1, L=3 and L=5 transitions giving rise to 2-, 4- and 6- states, respectively. Population of a spin-flip dipole resonance (Jπ=0-,1-,2-) is suggested by strong enhancement of cross section in the 7-15 MeV range
All levels populated in 40Ti ε decay are proton unbound
Q-value: S(2n)=32120 200 (syst), S(2p)=6300.5 28, Q(εp)=5994.9 28 (2012Wa38)