Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Calcium (Z=20)
  40Ca   41Ca   42Ca   43Ca   44Ca   45Ca   46Ca   48Ca
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
44Ca 45Ca




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.09.4 ± 1.3--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: 1999
List of all available values
originalrenorm.yeartypeCommentRef
9.4 ± 1.3
1977rLinac, TOF, 6Li, Au:Sat. Recalcul. including data of MDH81MAB77b
8.8 ± 1.3
1977c,2Linac, TOF, 6Li, Au:Sat.MAB77b
7.74
2006eendfb7
7.74
2004ejeff31
7.74
2002ejendl33
8.9
2000tRaT99
7.5
1978tWFH78
22.6
2002tMOST 2002Gor02
20.5
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:
rRecalculated for kT = 30keV with the code described in Ref. 2 after renormalizing the original data to updated standard cross sections
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
9.9
13.4
12.5
11.2
10.2
9.4 ± 1.3
8.1
7.1
6.2
5.0
4.2
SEF1.001.001.001.001.001.001.001.001.001.001.00
Rate
5.92
11.33
12.95
13.40
13.64
13.77
13.70
13.43
12.84
11.96
11.23

MACS:
Reference: MAB77b
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: 1977

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

Rate:
Reaction rate NA<σv> given in 105 cm3/mole/s, including SEF
Isotopic mass chain
Isotopic Mass Chain
Chart of nuclei
up
left
44Ti
59.99 a
β+
45Ti
3.08 h
β+
46Ti
8.25%
26.8 mb
47Ti
7.44%
64.4 mb
48Ti
73.72%
31.8 mb
43Sc
3.89 h
β+
44Sc
3.97 h
β+
45Sc
100%
69 mb
46Sc
83.79 d
β-
47Sc
3.35 d
β-
42Ca
0.647%
15.6 mb
43Ca
0.135%
51 mb
44Ca
2.09%
9.4 mb
45Ca
162.62 d
17.5 mb, β-
46Ca
0.004%
5.3 mb
41K
6.7302%
22 mb
42K
12.32 h
β-
43K
22.30 h
β-
44K
22.13 m
β-
45K
17.30 m
β-
40Ar
99.6003%
2.6 mb
41Ar
1.83 h
β-
42Ar
32.90 a
β-
43Ar
5.37 m
β-
44Ar
11.87 m
β-
right
down
Style: (Size: S, M, L, XL, Alberto; No-Macs: nox)


Isotope: Calcium