ADOPTED LEVELS, GAMMAS for 23Al
Authors: M.S. Basunia, A. Chakraborty | Citation: Nucl. Data Sheets 171, 1 (2021) | Cutoff date: 1-Jun-2020
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-16950 keV SY | S(n)= 19525 keV SY | S(p)= 141.0 keV 5 | Q(α)= -8606 keV 11 | ||
Reference: 2017WA10 |
References: | |||
A | 23Si ε decay | B | 9Be(22Mg,23AlG) |
C | 9Be(24Si,23Al) | D | 9Be(25Al,23AlG) |
E | 12C(23Al,23Al’) | F | 22Mg(p,p):RES |
G | 24Mg(7Li,8He) | H | 12C(23Al,P22MG) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) |
0.0 | ABCD FGH | 5/2+ | 446 ms 6 % ε = 100 % εp = 1.04 3 | |
550 20 | GH | (1/2+) | % p = 100 % IT = 8.6×10-7 17 | |
1475 39 | A | (3/2)+ | % p ≈ 100 | |
1619 6 | B D | (7/2+) | % p < 100 | 1619 6 |
1773 35 | G | % p ≈ 100 | ||
2575 34 | G | % p ≈ 100 | ||
3000 20 | F | (3/2+) | ||
3140 30 | F | (7/2+,5/2+) | ||
3197 21 | A G | (3/2)+ | % p ≈ 100 | |
3260 30 | F | (7/2+,5/2+) | ||
3709 24 | A G | (5/2)+ | % p ≈ 100 | |
3950 30 | F | (7/2+) | ||
4156 47 | A | (7/2)+ | % p ≈ 100 | |
5134 59 | A | % p ≈ 100 | ||
11832 48 | A | (5/2)+ | % 2p ≈ 100 | |
12.7E3 23 | E |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
1475 | (3/2)+ | % p ≈ 100 | Jπ(level): From systematics of 23Ne mirror states populated in 23F decay. |
1619 | (7/2+) | % p < 100 | Configuration=[22Mg(2+)#d5/2]7/2+. |
3000 | (3/2+) | Jπ(level): Proposed by 2007He30 (p,p):Res, based on R-matrix analysis (SAMMY-M6-β code) of measured differential cross sections. | |
3140 | (7/2+,5/2+) | Jπ(level): Proposed by 2007He30 (p,p):Res, based on R-matrix analysis (SAMMY-M6-β code) of measured differential cross sections. | |
3197 | (3/2)+ | % p ≈ 100 | Jπ(level): From systematics of 23Ne mirror states populated in 23F decay. |
3260 | (7/2+,5/2+) | Jπ(level): Proposed by 2007He30 (p,p):Res, based on R-matrix analysis (SAMMY-M6-β code) of measured differential cross sections. | |
3709 | (5/2)+ | % p ≈ 100 | Jπ(level): From systematics of 23Ne mirror states populated in 23F decay. |
3950 | (7/2+) | Jπ(level): Proposed by 2007He30 (p,p):Res, based on R-matrix analysis (SAMMY-M6-β code) of measured differential cross sections. | |
4156 | (7/2)+ | % p ≈ 100 | Jπ(level): From systematics of 23Ne mirror states populated in 23F decay. |
11832 | (5/2)+ | % 2p ≈ 100 | Jπ(level): From systematics of 23Ne mirror states populated in 23F decay. |
E(level) | E(gamma) | Comments |
1619 | 1619 | E(γ): Average of 1616 6 (22Mg,23Alγ) and 1622 6 (25Al,23Alγ). |
Other reactions:
1969Ce01: 28Si(p,6He), E=54.7~MeV - First observation of 23Al.
2002Ca04: 12C(23Al,X), E=35.9~MeV/nucleon - Proton halo. Also 2002Zh49.
2016Fa10: C(28Si,X), E=135~MeV/nucleon - Mechanism of two-proton emission from 23Al mainly sequential.
Q-value: ΔQ(β-)=500 (syst), ΔS(n)=400 (syst) (2017Wa10); Q(εp)=4640.6 4 (2017Wa10).
Q-value: S(2n)=36390 600 (syst), S(2p)=5645.2 4 (2017Wa10).