Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Cesium (Z=55)
  133Cs   134Cs   135Cs
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
135Cs 136Cs




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.2160 ± 10--
0.0198 ± 17--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: July 18th, 2005
List of all available values
originalrenorm.yeartypeCommentRef
160 ± 10
2004cVdG, Act., Au:RaK88PDA04
198 ± 17
1997cVdG, Act., 1/v(kT), Au:RaK88JKK97
201.5
2006eendfb7
217.4
2004ejeff31
201.4
2002ejendl33
320
2000tRaT99
234
1981tHar81
167
1976tHWF76
189
2002tMOST 2002Gor02
148
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
Energy5keV8keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
 552 
 382 
 329 
 251 
 208 
 180 
160 ± 10
 134 
 117 
 105 
 89 
 79 
SEF1.001.01.001.001.001.001.001.001.000.990.980.97
Rate
3.28
2.87
2.76
2.58
2.47
2.39
2.33
2.25
2.19
2.14
2.07
2.03

MACS:
Reference: PDA04
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: 2004

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
135La
19.50 h
β+
136La
9.87 m
β+
137La
59.99 ka
β+
138La
102.01x109 y
419 mb, β+
139La
99.91
31.6 mb
134Ba
2.417
176 mb
135Ba
6.592
455 mb
136Ba
7.854
61.2 mb
137Ba
11.232
76.3 mb
138Ba
71.698
4 mb
133Cs
100
509 mb
134Cs
2.07 a
664 mb, β-
135Cs
2.30 Ma
198 mb, β-
136Cs
13.04 d
β-
137Cs
30.03 a
β-
132Xe
26.909
64.6 mb
133Xe
5.24 d
127 mb, β-
134Xe
10.436
20.2 mb
135Xe
9.14 h
β-
136Xe
8.857
0.91 mb
131I
8.02 d
β-
132I
2.29 h
β-
133I
20.80 h
β-
134I
52.50 m
β-
135I
6.57 h
β-
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Isotope: Cesium
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