Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Rhenium (Z=75)
  185Re   186Re   187Re
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
187Re 188Re




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.01160 ± 57--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: 1999
List of all available values
originalrenorm.yeartypeCommentRef
1160 ± 57
1991cVdG, Act., 1/v(kT), Au:RaK88KJB91
844 ± 250
7061979cF.N.B., Act., 1/v(E), 127I:832mb(25keV)AJB79
1570 ± 100
1971eAGM71
924.1
2006eendfb7
924.1
2004ejeff31
901
2000tRaT99
1209 ± 204
1991tKJB91
1205
1981tHar81
1490
1976tHWF76
1060
2002tMOST 2002Gor02
748
2005tMOST 2005Gor05


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
Energy5keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
3755
1997
1620
1406
1263
1160 ± 57
1015
915
839
729
650
SEF1.001.001.001.001.001.000.990.980.980.970.96
Rate
2.23
1.67
1.66
1.67
1.67
1.68
1.69
1.69
1.68
1.67
1.65

MACS:
Reference: RaT99,KJB91
Procedure: 'e+t' (The MACS from kT=5 keV to 100 keV are derived from calculated cross sections, which are then normalized to experimental data, e.g. to the values at kT=25 keV obtained in activation measurements. In these cases the uncertainties should be linearly increased below 25 and above 30 keV to reach about 30% at the extreme kT values.)
Year: 1991

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

Rate:
Reaction rate NA<σv> given in 108 cm3/mole/s, including SEF
Isotopic mass chain
Isotopic Mass Chain
Chart of nuclei
up
left
187Ir
10.50 h
β+
188Ir
1.73 d
β+
189Ir
13.20 d
β+
190Ir
11.78 d
β+
191Ir
37.3
1350 mb
186Os
1.59
422 mb
187Os
1.6
896 mb
188Os
13.29
399 mb
189Os
16.21
1168 mb
190Os
26.36
274 mb
185Re
37.4
1535 mb
186Re
3.72 d
1550 mb, β-
187Re
41.20x109 y
1160 mb, β-
188Re
17.00 h
β-
189Re
1.01 d
β-
184W
30.64
223 mb
185W
75.10 d
703 mb, β-
186W
28.43
235 mb
187W
23.72 h
β-
188W
69.78 d
β-
183Ta
5.10 d
β-
184Ta
8.70 h
β-
185Ta
49.40 m
β-
186Ta
10.50 m
β-
187Ta
2.00 m
β-
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Isotope: Rhenium
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