Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Iodine (Z=53)
  127I   129I
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
129I 130I




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.0441 ± 22--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: 1999
List of all available values
originalrenorm.yeartypeCommentRef
441 ± 22
1983cLinac, TOF, 6Li, Au:Sat.Mac83a
490
1981eKNM81
439.4
2006eendfb7
379.5
2004ejeff31
441.0
2002ejendl33
400
2000tRaT99
582
1981tHar81
529
1976tHWF76
585
2002tMOST 2002Gor02
497
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
1134
803
651
556
490
441 ± 22
373
328
295
250
202
SEF1.000.990.970.960.950.940.930.920.910.900.89
Rate
6.73
6.67
6.50
6.31
6.15
6.01
5.81
5.66
5.54
5.35
4.77

MACS:
Reference: Mac83a
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: 1983

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

Rate:
Reaction rate NA<σv> given in 107 cm3/mole/s, including SEF
Isotopic mass chain
Isotopic Mass Chain
Chart of nuclei
up
left
129Cs
1.34 d
β+
130Cs
29.21 m
β+
131Cs
9.69 d
β+
132Cs
6.48 d
β+
133Cs
100%
509 mb
128Xe
1.91%
248 mb
129Xe
26.4%
472 mb
130Xe
4.071%
141 mb
131Xe
21.232%
340 mb
132Xe
26.909%
64.6 mb
127I
100%
635 mb
128I
24.99 m
β-
129I
15.70 Ma
441 mb, β-
130I
12.36 h
β-
131I
8.02 d
β-
126Te
18.84%
81.3 mb
127Te
9.35 h
β-
128Te
31.74%
44.4 mb
129Te
1.16 h
β-
130Te
34.08%
14.7 mb
125Sb
2.76 a
260 mb, β-
126Sb
12.35 d
β-
127Sb
3.85 d
β-
128Sb
9.01 h
β-
129Sb
4.40 h
β-
right
down
Style: (Size: S, M, L, XL, Alberto; No-Macs: nox)


Isotope: Iodine