ADOPTED LEVELS, GAMMAS for 44S
Authors: Jun Chen, Balraj Singh and John A. Cameron | Citation: Nucl. Data Sheets 112, 2357 (2011) | Cutoff date: 31-Jul-2011
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=1.141×104 keV 19 | S(n)= 5080 keV 8 | S(p)= 2.12×104 keV 4 | Q(α)= -1.706×104 keV 23 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 9Be(46Ar,44SG) | B | 9Be(48Ca,44SG) |
| C | Coulomb Excitation | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0 | ABC | 0+ | 100 ms 1 % β- = 100 % β-n = 18 3 | |||||
| 1329.0 5 | ABC | 2+ | 2.4 ps 7 | 1329.0 5 | 100 | [E2] | 0 | 0+ |
| 1365.0 8 | AB | 0+ | 2.619 µs 26 | 36 1 S 1365 1 | | [E2] E0 | 1329.0 0 | 2+ 0+ |
| 1617 7 ? | B | 288 7 ? | 100 | 1329.0 | 2+ | |||
| 2150 11 | A | (2+) | 2150 11 ? | | 0 | 0+ | ||
| 2278 5 | A | (2+) | 949 5 | | 1329.0 | 2+ | ||
| 2457 6 | A | (4+) | 1128 6 | | 1329.0 | 2+ | ||
| 2632 11 ? | B | (2+) | 988 15 ? 2632 11 ? | 50 100 | 1617 0 | 0+ | ||
| 3257 6 | A | (2+) | 1891 10 ? 1929 7 | | 1365.0 1329.0 | 0+ 2+ | ||
E(level): From least-squares fit to Eγ data
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
| 1329.0 | 2+ | 2.4 ps 7 | 1329.0 5 | [E2] | 3.6×10-5 | B(E2)(W.u.)=6.2 18, α=3.6E-5 |
| 1365.0 | 0+ | 2.619 µs 26 | 36 1 | [E2] | B(E2)(W.u.)=106 17 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | 0+ | 100 ms 1 % β- = 100 % β-n = 18 3 | Measured mean square radius (r20)=1.62 fm2 17 (2006Kh08). |
| 2150 | (2+) | Jπ(level): From shell-model prediction (2011Sa25). | |
| 2278 | (2+) | Jπ(level): From shell-model prediction (2011Sa25). | |
| 2457 | (4+) | Jπ(level): From shell-model prediction (2011Sa25). | |
| 2632 | (2+) | Jπ(level): From shell-model prediction (2011Sa25). | |
| 3257 | (2+) | Jπ(level): From shell-model prediction (2011Sa25). |
| E(level) | E(gamma) | Comments |
| 1365.0 | 1365 | E(γ): electron transition in 9Be(48Ca,Xγ) (2005Gr30) |
| 2632 | 988 | E(γ): poor fit. Level-energy difference=1015 13 |
1989Le16: 44S identified in 181Ta(48Ca,X) reaction. Measured isotopic half-life
1993So06 (also 1995So03): 44S identified in 64Ni(48Ca,X) E=60 MeV/nucleon using LISE fragment spectrometer at GANIL facility, measured isotopic half-life and decay modes.
2006Kh08: measured energy-integrated reaction cross section.
2010Mo12: analyzed effects of the tensor force on the neutron and proton gaps.
Mass measurements: 2009Ri12, 2007Ju03, 2000Sa21 (also 2001Sa72)
Mean-square radius from energy-integrated cross sections: 2006Kh08
Structure calculations (levels, B(E2), etc.): 2004Ca34, 2002Ca48
Q-value: Note: Current evaluation has used the following Q record
Q-value: Q(β-n)=7240 250, S(2n)=7565 187, S(2p)=40240 520 (syst) (2011AuZZ)
Q-value: Values in 2003Au03: Q(β-)=11110 410, S(n)=5220 440, S(p)=22170 1050, Q(α)=-17010 680, Q(β-n)=6980 420, S(2n)=7580 410, S(2p)=42130 640 (syst)
Q-value: Other: Q(β-)=11130 178 from measured mass excess(44S)=-9100 140. (2007Ju03) and mass excess(44Cl)=-20230 110 (2003Au03). Q(β-n)=6949 191 (deduced from measured masses in 2007Ju03).