ADOPTED LEVELS, GAMMAS for 33Ar
Authors: Jun Chen and Balraj Singh | Citation: Nucl. Data Sheets 112, 1393 (2011) | Cutoff date: 31-Mar-2011
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-1.643×104 keV SY | S(n)= 15255.3 keV 18 | S(p)= 3338.6 keV 7 | Q(α)= -8.65×103 keV 5 | ||
Reference: 2012WA38 |
References: | |||
A | 1H(34Ar,33ArG), | B | 36Ar(3He,6He) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
0 | B | 1/2+ | 173.0 ms 20 % ε = 100 % εp = 38.7 10 | ||||
1359 2 | AB | (3/2+) | 1359 2 | 100 | 0 | 1/2+ | |
1798 2 | AB | (5/2+) | 437 3 1798 2 | 2.4 4 100 15 | 1359 0 | (3/2+) 1/2+ | |
2439 3 ? | A | (3/2+) | 639 2 ? 1084 4 ? | 100 29 100 57 | 1798 1359 | (5/2+) (3/2+) | |
3154 9 | A | (3/2+) | 1356 8 | 100 | 1798 | (5/2+) | |
3361 5 | A | (5/2+) | 1556 8 2005 5 | 100 14 60 40 | 1798 1359 | (5/2+) (3/2+) | |
3456 6 | A | (7/2+) | 1651 6 ? 2097 5 | 30 20 100 50 | 1798 1359 | (5/2+) (3/2+) | |
3819 3 | A | (5/2+) | 2460 2 | 100 | 1359 | (3/2+) |
E(level): From least-squares fit to Eγ data
Jπ(level): As proposed by 2004Cl02 based on their identification as analog states of 33p, the parentheses are by the evaluators.
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 1/2+ | 173.0 ms 20 % ε = 100 % εp = 38.7 10 | μ=-0.723 6 (1996Kl04,2005St24) Nuclear rms charge radius=3.343 fm 8 (2004An14 evaluation). |
Identification and production of 33Ar: 1966Po12 and 1964Re08: 32S(3He,2n) reaction at 31.8 MeV, delayed protons; 1966Ha22 and 1965Ha08: 33Cl(p,X). Later studies of 33Ar decay: 2002Fy01, 1999Th09, 1996Ho24, 1993Sc16, 1987Bo21, 1971Ha05 (also 1971EsZR thesis), 1970Ce02.
Mass measurements: 2003Bl17, 2001He29 (also 2002He13, 2001He37). Mass excess=-9384.08 44 (2003Bl17)
C(33Ar,X) E=950 MeV/nucleon, measured cross section, deduced effective radius
2000Ga61: measured positron-neutrino correlations using 33Ar beam at ISOLDE, CERN facility.
2000Ge20: hyperfine structure and charge radii measurements at ISOLDE, CERN facility
Structure calculations: 2006Te01, 2004Ge02, 1983Ka32, 1978Gu10
Q-value: Note: Current evaluation has used the following Q record $ -16150 SY15255.3 18 3343 7 -8650 50 2009AuZZ,2003Au03
Q-value: Δ(Q(β-))=200 (syst,2003Au03,2009AuZZ). Q(εp)=9342.3 4 (2009AuZZ, 2003Au03). S(2n)=36820 210 (syst), S(2p)=4917.7 16 (2009AuZZ,2003Au03)
Q-value: Q(β-n)=-37870 500 (syst,2003Au03,2009AuZZ)