| s-process | p-process |
Available isotopes for Manganese (Z=25)
Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
55Mn 
56Mn
56Mn
| Total MACS at 30keV: | 32.7 | ± | 3.1 | mb |
Cross sections do not include stellar enhancement factors!
History
| Version | Total MACS [mb] | Partial to gs [mb] | Partial to isomer [mb] |
|---|---|---|---|
| 1.0 | 32.7 ± 3.1 | - | - |
| 0.0 | 39.6 ± 3.0 | - | - |
(Version 0.0 corresponds to Bao et al.)
Comment
New rec. value is average from recent evaluation (endfb71,jendl40) using the uncertainty from given covariances. A small additional uncertainty is introduced by the different energy dependencies of endfb71 and jendl40.
Last review: May 2016
Last review: May 2016
List of all available values
| original | renorm. | year | type | Comment | Ref |
39.6 ± 3.0 | 1978 | r | Linac, TOF, 6Li, Au:Sat., k=0.9587, Recalcul. including data of MDH81 | GMH78 | |
31.6 ± 3.0 | 1978 | b,1 | Linac, TOF, 6Li, Au:Sat., k=0.9587 | GMH78 | |
32.1 ± 3.0 | 1976 | b | VdG, TOF, 10B+6Li | RAT76 | |
37 ± 3 | 1970 | c | Sb-Be, Act., 1/v(E), Au:640mb(24keV) | ChP70 | |
32.8 | 2015 | e | TENDL-2015 using the TALYS code | tendl15 | |
32.8 ± 2.9 | 2011 | e | ENDF/B-VII.1 incl. covariances | endfb71 | |
32.7 ± 3.3 | 2011 | e | JENDL-4.0 incl. covariances | jendl40 | |
31.02 | 2006 | e | ENDF/B-VII.0 | endfb7 | |
31.02 | 2004 | e | JEFF-3.1 | jeff31 | |
31.02 | 2002 | e | JENDL-3.3 | jendl33 | |
50 ± 2 | 1971 | e | AGM71 | ||
60.4 | 2005 | t | MOST 2005 | Gor05 | |
72.4 | 2002 | t | MOST 2002 | Gor02 | |
35.5 | 2000 | t | NON-SMOKER | RaT99 | |
28 | 1978 | t | WFH78 |
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:
| r | Recalculated for kT = 30keV with the code described in Ref. 2 after renormalizing the original data to updated standard cross sections |
| b | Calculated from smooth cross sections with model fit: ln(sigma) = a + a1 ln(E) + a2 ln^2(E) |
| 1 | Including k from Ref. MaW81, where k is a correction factor which has been applied to the originally reported cross section |
| 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 | 182.9 ± 14.9 | - | 87.8 ± 7.6 | 59.5 ± 5.3 | 46.0 ± 4.2 | 38.0 ± 3.5 | 32.7 ± 3.1 | 26.1 ± 2.7 | 22.0 ± 2.4 | 19.2 ± 2.3 | 15.5 ± 2.1 | 13.1 ± 1.9 |
| Xfactor | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.99 | 0.97 | 0.94 | 0.92 | 0.86 | 0.81 |
| SEF | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.99 | 0.97 | 0.96 | 0.94 | 0.91 | 0.90 |
| Rate | 1.09 | - | 0.74 | 0.61 | 0.55 | 0.50 | 0.47 | 0.43 | 0.40 | 0.37 | 0.34 | 0.31 |
MACS:
Reference: endfb71,jendl40
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: 2013
X-factor:
Reference:
Year:
SEF (Stellar enhancement factor):
Reference:
Year:
Comment:
Rate:
Reaction rate NA<σv> given in 107 cm3/mole/s, including SEF
Chart of nuclei
 | |||||||||||||||||||||||||||
 |
|  | |||||||||||||||||||||||||
 |
Isotope: Manganese