Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Zirconium (Z=40)
  90Zr   91Zr   92Zr   93Zr   94Zr   95Zr   96Zr
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
94Zr 95Zr




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.026 ± 1--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: 1999
List of all available values
originalrenorm.yeartypeCommentRef
26.4 ± 1.0
26.11990cVdG, Act., 1/v(kT), Au:RaK88ToK90
25 ± 4
251983cVdG, Act., Au:576mbWyP83
33 ± 5
1978c,2Linac, TOF, 6Li, Au:Sat., k=0.9833MAM78a
26.6 ± 3.0
1976c,2Linac, TOF, 6Li, Au:Sat., k=0.9833BMA76
21 ± 4
1967cVdG, TOF, 181Ta:762mbMaG67b
20 ± 2
1971eAGM71
29.11
2006eendfb7
30.03
2004ejeff31
30.03
2002ejendl33
42
2000tRaT99
57
1981tHar81
34
1976tHWF76
21.9
2002tMOST 2002Gor02
13.3
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
2Including k from Ref. ABM82, where k is a correction factor which has been applied to the originally reported cross section
eEvaluated value taken directly from the reference
tTheoretical value
MACS, SEF and Reaction Rates for different energies
Energy5keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
74
52
40
33
29
26 ± 1
23
22
22
21
21
SEF1.001.001.001.001.001.001.001.001.001.001.00
Rate
4.40
4.37
4.12
3.92
3.85
3.79
3.87
4.14
4.53
4.99
5.58

MACS:
Reference: MAM78a,ToK90
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: 1990

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

Rate:
Reaction rate NA<σv> given in 106 cm3/mole/s, including SEF
Isotopic mass chain
Isotopic Mass Chain
Chart of nuclei
up
left
94Mo
9.25%
102 mb
95Mo
15.92%
292 mb
96Mo
16.68%
112 mb
97Mo
9.55%
339 mb
98Mo
24.13%
99 mb
93Nb
100%
266 mb
94Nb
20.30 ka
482 mb, β-
95Nb
34.99 d
310 mb, β-
96Nb
23.35 h
β-
97Nb
1.20 h
β-
92Zr
17.15%
33 mb
93Zr
1.53 Ma
95 mb, β-
94Zr
17.38%
26 mb
95Zr
64.03 d
79 mb, β-
96Zr
2.8%
10.7 mb
91Y
58.51 d
β-
92Y
3.54 h
β-
93Y
10.18 h
β-
94Y
18.70 m
β-
95Y
10.30 m
β-
90Sr
28.90 a
β-
91Sr
9.63 h
β-
92Sr
2.66 h
β-
93Sr
7.42 m
β-
94Sr
1.25 m
β-
right
down
Style: (Size: S, M, L, XL, Alberto; No-Macs: nox)


Isotope: Zirconium