| s-process | p-process |
Available isotopes for Zirconium (Z=40)
Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
96Zr 
97Zr
97Zr
| Total MACS at 30keV: | 11.4 | ± | 0.7 | mb |
Cross sections do not include stellar enhancement factors!
History
| Version | Total MACS [mb] | Partial to gs [mb] | Partial to isomer [mb] |
|---|---|---|---|
| 1.0 | 11.4 ± 0.7 | - | - |
| 0.0 | 10.7 ± 0.5 | - | - |
(Version 0.0 corresponds to Bao et al.)
Comment
The new recommended value is from the renormalized TOF measurement from GTa11b. The added DRC component has been recalculated with the normalized activation value of ToK90. The MACS vs. kT table from kT=5-25 keV is from GTa11b (normalized to the new DRC values), and from 30-100 keV the normalized dependency from tendl15. Uncertainties from GTa11b up to kT= 30 keV, and 6% for kT>30 keV.
Last review: December 2016
Last review: December 2016
List of all available values
| original | renorm. | year | type | Comment | Ref |
10.3 ± 0.6 | 11.4 ± 0.7 | 2013 | c | TOF, Pb Spall., Au: Sat.; new value for DRC comp. norm. to ToK90 is 2.4 mb; en. dep. for kT> 25 keV from jendl40 | GTa11b |
10.7 ± 0.5 | 11.5 ± 0.5 | 1990 | c | VdG, Act.,1/v(kT), Au:RaK88 corrected by 632/586= 1.0785 | ToK90 |
12 ± 1 | 12.8 ± 1.1 | 1983 | c | VdG, Act., Au:576mb norm. by 613mb/576 mb= 1.064 | WyP83 |
41 ± 12 | 1967 | c | VdG, TOF, 181Ta:762mb | MaG67b | |
10.9 | 2015 | e | TENDL-2015 using the TALYS code | tendl15 | |
12.1 | 2014 | e | JEFF-3.2 using calculations from TENDL-2012 | jeff32 | |
10.3 ± 2.2 | 2011 | e | ENDF/B-VII.1 incl. covariances | endfb71 | |
12.1 | 2011 | e | JENDL-4.0 | jendl40 | |
12.3 | 2004 | e | JEFF-3.1 | jeff31 | |
12.3 | 2002 | e | JENDL-3.3 | jendl33 | |
30 ± 12 | 1971 | e | AGM71 | ||
3.20 | 2005 | t | MOST 2005 | Gor05 | |
4.83 | 2002 | t | MOST 2002 | Gor02 | |
14.2 | 2000 | t | NON-SMOKER | RaT99 | |
58 | 1981 | t | Har81 | ||
28 | 1976 | t | HWF76 |
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:
| c | Directly quoted from the reference itself |
| e | Evaluated value taken directly from the reference |
| t | Theoretical value |
MACS, SEF and Reaction Rates for different energies
| Energy | 5keV | 8keV | 10keV | 15keV | 20keV | 25keV | 30keV | 40keV | 50keV | 60keV | 80keV | 100keV |
| MACS | 53.3 ± 2.6 | - | 27.0 ± 1.3 | 18.6 ± 0.9 | 14.6 ± 0.7 | 12.5 ± 0.7 | 11.4 ± 0.7 | 8.6 ± 0.5 | 7.2 ± 0.4 | 6.4 ± 0.4 | 5.8 ± 0.3 | 5.6 ± 0.3 |
| Xfactor | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| SEF | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Rate | 3.17 | - | 2.27 | 1.91 | 1.74 | 1.66 | 1.66 | 1.45 | 1.35 | 1.32 | 1.38 | 1.49 |
MACS:
Reference: GTa11b,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:
Year:
SEF (Stellar enhancement factor):
Reference:
Year:
Comment:
Rate:
Reaction rate NA<σv> given in 106 cm3/mole/s, including SEF
Chart of nuclei
 | |||||||||||||||||||||||||||
 |
|  | |||||||||||||||||||||||||
 |
Isotope: Zirconium