Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Sulfur (Z=16)
  32S   33S   34S   35S   36S
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
36S 37S




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
1.00.174 ± 0.013--
0.00.171 ± 0.014--

(Version 0.0 corresponds to Bao et al.)
Comment
Rec. value is from BSP95. Reaction rate (1/v up to 150 keV) parameterized as RR= 2.56e4 (cm^3/ mole/ s). Note that there is a discrepancy to all evaluated libraries. More investigation needed!
Last review: April 2016
List of all available values
originalrenorm.yeartypeCommentRef
0.187 ± 0.014
25 keV
0.174 ± 0.0131995cVdG, Act., Au:RaK88; 1/v DRCBSP95
0.078-0.125
E(n)= 151-218 keV
1995cVdG, Act., Au:Mac82eBSP95
0.047
2014eJEFF-3.2; does not reproduce data from BSP95 jeff32
0.636
2011eENDF/B-VII.1; 1/v up to 1 MeVendfb71
0.636
2011eJENDL-4.0; 1/v up to 1 MeVjendl40
0.636
2004eJEFF-3.1; 1/v up to 1 MeVjeff31
0.594
2005tMOST 2005Gor05
0.615
2002tMOST 2002Gor02
0.3
2000tNON-SMOKERRaT99
0.192
1995tBSP95
0.3
1978tWFH78


Original:MACS [<σ v>/vT] (mb) for kT=30 keV, based on the published cross sections except where indicated otherwise.
Renorm:MACS [<σ v>/vT] (mb) for kT=30 keV for which the reference or standard cross section was meanwhile improved.
Type: The letters and numbers in the column labelled 'type' give information on how the cross section has been obtained:
cDirectly quoted from the reference itself
eEvaluated value taken directly from the reference
tTheoretical value
MACS, SEF and Reaction Rates for different energies
Energy5keV8keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
0.427
0.338
0.302
0.247
0.214
0.191
0.174 ± 0.013
0.151
0.135
0.123
0.107
0.095
Xfactor1.001.001.001.001.001.001.001.001.001.001.001.00
SEF1.001.001.001.001.001.001.001.001.001.001.001.00
Rate
2.56
2.56
2.56
2.56
2.57
2.56
2.56
2.56
2.56
2.55
2.57
2.55

MACS:
Reference: BSP95
Procedure: 'e' (The Maxwellian-averaged cross sections (MACS) from kT=5 keV to 100 keV are obtained from experimental data; the relative uncertainties are similar to those quoted for the 30 keV data.)
Year: 1995

X-factor:
Reference: Rau12
Year: 2012

SEF (Stellar enhancement factor):
Reference: Rau09
Year: 2009
Comment:

Rate:
Reaction rate NA<σv> given in 104 cm3/mole/s, including SEF
Chart of nuclei
up
left
36Ar
0.3365
9 mb
37Ar
34.95 d
β+
38Ar
0.0632
3 mb
39Ar
269.01 a
8 mb, β-
40Ar
99.6003
2.6 mb
35Cl
75.77
10 mb
36Cl
301.01 ka
12 mb, β-
37Cl
24.23
2.15 mb
38Cl
37.24 m
β-
39Cl
55.60 m
β-
34S
4.21
0.226 mb
35S
87.51 d
β-
36S
0.02
0.171 mb
37S
5.05 m
β-
38S
2.84 h
β-
33P
25.34 d
β-
34P
12.43 s
β-
35P
47.30 s
β-
36P
5.60 s
β-
37P
2.31 s
β-
32Si
132.02 a
β-
33Si
6.18 s
β-
34Si
2.77 s
β-
35Si
780.00 ms
β-
36Si
450.00 ms
β-
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Style: (S, M, L, XL or Alberto)


Isotope: Sulfur