ADOPTED LEVELS, GAMMAS for 32Si
Author: Balraj Singh | Citation: ENSDF | Cutoff date: 15-JAN-2020
Authors: Christian Ouellet, Balraj Singh | Citation: Nucl. Data Sheets 112, 2199 (2011) | Cutoff date: 24-Aug-2011
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=227.2 keV 3 | S(n)= 9200.0 keV 3 | S(p)= 16416.0 keV 23 | Q(α)= -11483.8 keV 20 | ||
Reference: 2017WA10 |
References: | |||
A | 32Al β- decay (32.3 MS) | B | 33Al β-n decay (41.5 MS) |
C | 30Si(t,p) | D | 30Si(t,pγ) |
E | 31Si(n,γ) | F | Coulomb Excitation |
G | 208Pb(37Cl,X) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFG | 0+ | 157 y 7 % β- = 100 | |||||
1941.4 3 | ABCD FG | 2+ | 0.78 ps 22 | 1941.4 3 | 100 | E2 | 0.0 | 0+ |
4230.8 8 | A CD | 2+ | 0.26 ps 9 | 2289.4 8 4230.0 15 | 61 5 100 5 | M1+E2 [E2] | 1941.4 0.0 | 2+ 0+ |
4983.9 11 | A CD | 0+ | < 0.30 ps | 3042.3 10 | 100 | [E2] | 1941.4 | 2+ |
5220 3 | CD | (1+) | < 80 fs | 989? 3278 5219? | <1 100 <2 | 4230.8 1941.4 0.0 | 2+ 2+ 0+ | |
5288.8 8 | CD | 3- | 152 fs 35 | 1058 3347 5288? | 12 4 100 4 <3.4 | (E1(+M2)) (E1(+M2)) | 4230.8 1941.4 0.0 | 2+ 2+ 0+ |
5412.4 9 | D | 1 | < 50 fs | 1181 3471 5412 | 11 3 100 3 12.3 24 | D(+Q) D | 4230.8 1941.4 0.0 | 2+ 2+ 0+ |
5427 14 | C | 2+ | ||||||
5502 4 | CD G | (5-,4+) | 1271? 3560 5502? | <8 100 <20 | 4230.8 1941.4 0.0 | 2+ 2+ 0+ | ||
5581 4 | G | (5-) | 27 ns 2 | 79 1 | | 5502 | (5-,4+) | |
5773 2 | CD | (1,2,3) | < 139 fs | 3831 | 100 | D+Q | 1941.4 | 2+ |
5785.7 16 | A CD | (0,1,2)+ | ≥ 0.8 ps | 3844.0 15 | 100 | 1941.4 | 2+ | |
5893 8 | C | (3+) | ||||||
5954 2 | D | 2+ | ≤ 55 fs | 4012 5953 | 100 4 35 4 | (M1(+E2)) E2 | 1941.4 0.0 | 2+ 0+ |
5967 4 | C | 3- | ||||||
6170 5 | CD | (2+) | ≤ 55 fs | 4229 | | 1941.4 | 2+ | |
6195 4 | CD | 1- | ≤ 38 fs | 4253 6194 | 100 10 56 10 | (E1) | 1941.4 0.0 | 2+ 0+ |
6242 5 | CD | 0+ | ≤ 55 fs | 4301 | | [E2] | 1941.4 | 2+ |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
6388 3 | CD | 2+ | < 42 fs | 2161 4446 6387? | 6.4 11 100.0 11 <3.2 | (M1(+E2)) [E2] | 4230.8 1941.4 0.0 | 2+ 2+ 0+ |
6477 6 | C | 3- | ||||||
6705 6 | CD | 1- | 2474 4763 6704 | 22 6 9 7 100 7 | D | 4230.8 1941.4 0.0 | 2+ 2+ 0+ | |
6860 5 | C | 3- | ||||||
7083 5 | C | 2+ | ||||||
7482 9 | C | |||||||
7743 6 | C | |||||||
7793 9 | C | 3-,4+ | ||||||
7887 18 | C | |||||||
7978 14 | C | 3- | ||||||
8066 9 | C | 2+ | ||||||
8321 8 | C | 5- | ||||||
8361 10 | C | 2+ | ||||||
8422 10 | C | |||||||
8567 8 | C | 3- | ||||||
8650 15 | C | 2+ | ||||||
8758 9 | C | 3-,4+ | ||||||
8842 13 | C | |||||||
8877 8 | C | |||||||
8971 9 | C | |||||||
9003 7 | C | |||||||
9192 12 | C | |||||||
9203.218 5 S | E | 1+,2+ | 9201.798 5 | | 0.0 | 0+ | ||
9543 6 | C | |||||||
9701 6 | C | |||||||
9782 12 | C | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
9934 29 | C | |||||||
9975 25 | C | |||||||
10052 5 | C | |||||||
10237 5 | C | |||||||
10279 6 | C | |||||||
10317 5 | C | |||||||
10461 9 | C | |||||||
10603 15 | C | |||||||
10664 14 | C | |||||||
10725 9 | C | |||||||
10778 13 | C | |||||||
10846 13 | C | |||||||
10888 12 | C | |||||||
10971 9 | C | |||||||
11398 7 | C | |||||||
11454 8 | C |
E(level): From Eγ data, when uncertainties in Eγ are known, otherwise from (t,p) and/or (t,pγ)
T1/2(level): For excited states above 4 MeV, values are from DSAM in (t,pγ), unless otherwise stated.
E(γ): From level-energy differences in (t,pγ), unless otherwise stated
I(γ): From (t,pγ), unless otherwise stated
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Additional Data |
1941.4 | 2+ | 0.78 ps 22 | 1941.4 3 | E2 | B(E2)(W.u.)=4.4 13 | |
4230.8 | 2+ | 0.26 ps 9 | 2289.4 8 | M1+E2 | -0.8 4 | B(E2)(W.u.)=0.8 6, B(M1)(W.u.)=0.0016 9 |
2+ | 0.26 ps 9 | 4230.0 15 | [E2] | B(E2)(W.u.)=0.17 6 | ||
4983.9 | 0+ | < 0.30 ps | 3042.3 10 | [E2] | B(E2)(W.u.)>1.2 | |
5288.8 | 3- | 152 fs 35 | 1058 | (E1(+M2)) | 0.0 2 | B(E1)(W.u.)=0.00039 16 |
3- | 152 fs 35 | 3347 | (E1(+M2)) | +0.02 5 | B(E1)(W.u.)=0.000104 25 | |
5412.4 | 1 | < 50 fs | 3471 | D(+Q) | -0.13 33 | |
5954 | 2+ | ≤ 55 fs | 4012 | (M1(+E2)) | -0.01 6 | B(M1)(W.u.)>0.0046 |
2+ | ≤ 55 fs | 5953 | E2 | B(E2)(W.u.)>0.059 | ||
6195 | 1- | ≤ 38 fs | 6194 | (E1) | B(E1)(W.u.)>2.7E-5 | |
6242 | 0+ | ≤ 55 fs | 4301 | [E2] | B(E2)(W.u.)>1.2 | |
6388 | 2+ | < 42 fs | 4446 | (M1(+E2)) | +0.04 4 | B(M1)(W.u.)>0.0055 |
2+ | < 42 fs | 6387 | [E2] | B(E2)(W.u.)>0.0031 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 157 y 7 % β- = 100 | r02=1.15 fm2 7 (1999Ai02 in Si(32Si,X) at 44.78 MeV/nucleon). Also cross section measured in this work. E(level): r02=1.15 fm2 7 (1999Ai02 in Si(32Si,X) at 44.78 MeV/nucleon). Also cross section measured in this work. |
6705 | 1- | XREF: C(6734). |
E(level) | E(gamma) | Comments |
1941.4 | 1941.4 | E(γ): From 32Al β- decay I(γ): From 32Al β- decay |
4230.8 | 2289.4 | E(γ): From 32Al β- decay I(γ): From 32Al β- decay | 4230.0 | E(γ): From 32Al β- decay I(γ): From 32Al β- decay |
4983.9 | 3042.3 | E(γ): From 32Al β- decay I(γ): From 32Al β- decay |
5581 | 79 | E(γ): from 1997Fo01, not confirmed by 2002AsZY |
5785.7 | 3844.0 | E(γ): From 32Al β- decay I(γ): From 32Al β- decay |
9203.218 | 9201.798 | E(γ): from (n,γ) |
Mass measurements: 2003Bl17, 2009Kw02, 2009Sc09
Mass deduced from IMME analysis: 2010Ka30
Strong absorption radius measurement: 1999Ai02:
Theoretical nuclear structure calculations: consult Nuclear Science References database at www.nndc.bnl.gov/nsr/ for 65 primary references.
Q-value: S(2n)=15787.36 30, S(2p)=29772 3 (2017Wa10)
Q-value: Note that S(n)=9203.218 keV 5 deduced by 2001Pa15 from 31S(n,γ) is in disagreement with value from 2017Wa10, who had considered this measurement in their global AME analysis.