Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Dysprosium (Z=66)
  156Dy   158Dy   160Dy   161Dy   162Dy   163Dy   164Dy
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
163Dy 164Dy




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
0.01112 ± 11--

(Version 0.0 corresponds to Bao et al.)
Comment
Last review: 1999
List of all available values
originalrenorm.yeartypeCommentRef
1112.0 ± 11.0
1999cVdG, TOF, Au:RaK88,Mac82eVWA99
1026 ± 51
1992cVdG, TOF, Au+Ag+Nd+etc.:Sat.BKP92
1153 ± 44
1985cLinac, TOF, 6Li, Au:Sat.BWM85
1130 ± 45
10521985cVdG, TOF, Au:B-IVBWM85
1008 ± 101
9341978bVdG, TOF, 10B:Mag75, Au:628mb(kT=30keV)KYP78
1600 ± 300
1971eAGM71
1087
2006eendfb7
1118
2004ejeff31
997
2000tRaT99
1270
1981tHar81
913
1976tHWF76
1397
2002tMOST 2002Gor02
1058
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
bCalculated from smooth cross sections with model fit: ln(sigma) = a + a1 ln(E) + a2 ln^2(E)
eEvaluated value taken directly from the reference
tTheoretical value
MACS, SEF and Reaction Rates for different energies
Energy5keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
3178
2132
1671
1412
1238
1112 ± 11
936
817
729
606
522
SEF1.001.001.001.001.000.990.990.980.980.950.92
Rate
1.88
1.79
1.72
1.67
1.64
1.61
1.55
1.51
1.46
1.37
1.28

MACS:
Reference: VWA99
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: 1999

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

Rate:
Reaction rate NA<σv> given in 108 cm3/mole/s, including SEF
Isotopic mass chain
Isotopic Mass Chain
Chart of nuclei
up
left
163Er
1.25 h
β+
164Er
1.601%
1084 mb
165Er
10.36 h
β+
166Er
33.503%
563 mb
167Er
22.869%
1425 mb
162Ho
15.00 m
β+
163Ho
4.57 ka
2125 mb, β+
164Ho
29.00 m
β+
165Ho
100%
1280 mb
166Ho
1.12 d
β-
161Dy
18.91%
1964 mb
162Dy
25.51%
446 mb
163Dy
24.9%
1112 mb
164Dy
28.18%
212 mb
165Dy
2.33 h
β-
160Tb
72.30 d
3240 mb, β-
161Tb
6.91 d
β-
162Tb
7.60 m
β-
163Tb
19.50 m
β-
164Tb
3.00 m
β-
159Gd
18.48 h
β-
160Gd
21.86%
154 mb
161Gd
3.66 m
β-
162Gd
8.40 m
β-
163Gd
1.13 m
β-
right
down
Style: (Size: S, M, L, XL, Alberto; No-Macs: nox)


Isotope: Dysprosium