Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Zinc (Z=30)
  64Zn   65Zn   66Zn   67Zn   68Zn   69Zn   70Zn
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
67Zn 68Zn




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
1.0113 ± 14--
0.0153 ± 15--

(Version 0.0 corresponds to Bao et al.)
Comment
New rec. value is from recent evaluations (endfb71/jendl40,tendl15) using the exp. uncertainty of 10% from AGT92 plus the deviation between the evaluations.
Last review: June 2016
List of all available values
originalrenorm.yeartypeCommentRef
153 ± 15
1992cLinac, TOF, 6Li, Au:Sat.Mac83b,AGT92
110.7
2015eTENDL-2015 using the TALYS codetendl15
110.7
2014eJEFF-3.2 using TENDL-2012jeff32
115.7
2011eENDF/B-VII.1endfb71
115.7
2011eJENDL-4.0jendl40
160
1971sAGM71
174
2005tMOST 2005Gor05
224
2002tMOST 2002Gor02
148
2000tNON-SMOKERRaT99
79
1981tHar81
80
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
sSemiempirical estimates given in the reference
tTheoretical value
MACS, SEF and Reaction Rates for different energies
Energy5keV8keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
575 ± 79
-
321 ± 55
220 ± 38
166 ± 25
134 ± 16
113 ± 14
88 ± 18
75 ± 19
66 ± 20
55 ± 19
49 ± 17
Xfactor1.001.001.001.001.000.990.990.980.960.950.920.90
SEF1.001.001.001.001.001.000.990.980.970.950.920.89
Rate
3.43
-
2.70
2.27
1.98
1.78
1.64
1.46
1.37
1.30
1.20
1.16

MACS:
Reference: endfb71, jendl40,tendl15
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: 2016

X-factor:
Reference: Rau12
Year: 2012

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

Rate:
Reaction rate NA<σv> given in 107 cm3/mole/s, including SEF
Chart of nuclei
up
left
67Ge
18.90 m
β+
68Ge
270.95 d
β+
69Ge
1.63 d
β+
70Ge
20.37
88 mb
71Ge
11.43 d
β+
66Ga
9.49 h
β+
67Ga
3.26 d
β+
68Ga
1.13 h
β+
69Ga
60.108
139 mb
70Ga
21.14 m
β-
65Zn
243.63 d
162 mb, β+
66Zn
27.9
35 mb
67Zn
4.1
153 mb
68Zn
18.75
19.2 mb
69Zn
56.40 m
β-
64Cu
12.70 h
β+
65Cu
30.83
41 mb
66Cu
5.12 m
β-
67Cu
2.58 d
β-
68Cu
31.10 s
β-
63Ni
100.11 a
31 mb, β-
64Ni
0.926
8.7 mb
65Ni
2.52 h
β-
66Ni
2.27 d
β-
67Ni
21.00 s
β-
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Style: (S, M, L, XL or Alberto)


Isotope: Zinc