ADOPTED LEVELS, GAMMAS for 66As
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 111, 1093 (2010) | Cutoff date: 3-Mar-2009
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-1.07×104 keV SY | S(n)= 1.316×104 keV 9 | S(p)= 2836 keV 6 | Q(α)= -2464 keV 6 | ||
| Reference: 2012WA38 |
| References: | |||
| A | (HI,xnγ) | B | 40Ca(28Si,pnγ) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | A | [0+] | 95.77 ms 23 % ε = 100 | |||||
| 837.07 10 ? | A | (1+) | 837.1 1 | 100 | 0.0 | [0+] | ||
| 963.62 23 ? | A | (2+) | 963.3 3 | 100 | 0.0 | [0+] | ||
| 1231.24 14 | A | (3+) | 267.3 3 394.2 1 | 10 3 100 7 | 963.62 837.07 | (2+) (1+) | ||
| 1356.63 17 | A | (5+) | 1.1 µs 1 | 125.4 1 | 100 | (E2) | 1231.24 | (3+) |
| 1901.6 3 ? | A | (5+) | 670.3 3 | 100 | 1231.24 | (3+) | ||
| 2908.63 24 | A | (7+) | 1007.0 3 1552.0 2 | 40 8 100 9 | 1901.6 1356.63 | (5+) (5+) | ||
| 3023.8 3 | AB | (9+) | 8.2 µs 5 | 115.2 1 | 100 | (E2) | 2908.63 | (7+) |
| 3863.8 11 | B | (11+) | 840 1 | | 3023.8 | (9+) | ||
| 5324.9 15 | B | (13+) | 1461 1 | | 3863.8 | (11+) | ||
| 5810.9 15 | B | (12) | 1947 1 | | 3863.8 | (11+) | ||
| 6532.9 18 | B | (14) | 722 1 | | 5810.9 | (12) | ||
| 7794.9 21 | B | (16) | 1262 1 | | 6532.9 | (14) | ||
| 9792.9 23 | B | (18) | 1998 1 | | 7794.9 | (16) | ||
Jπ(level): From 2001Gr07 are tentative. Jπ assignments are compared with those calculated using the shell-model and shape isomerism (2005Ha30).
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
2005Ha30,2002Sa38,2002Va21,2001Ju06: Calculated level energies.
2006Ya17: production cross section in 80Kr on a beryllium target, E=1.05 GeV/α
1988Bu12: 66As produced from 58Ni(10B,2n) at E(10B)=29.5 and 30.5 MeV; T1/2 from rapid-transport target system and β-ray range telescope.
1978Al23: 66As produced by 58Ni(10B,2n) at E=30 MeV; T1/2 from chopped beam β+ counting
1976JaZP: also by 40Ca(32S,npα) and 50Cr(19F,3n) reactions.
Theory, calculations: 2008To03, 2007Ha48