Karlsruhe Astrophysical Database of Nucleosynthesis in Stars
s-process
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p-process
Available isotopes for Lutetium (Z=71)
  175Lu   176Lu   177Lu
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Recommended MACS30 (Maxwellian Averaged Cross Section @ 30keV)
176Lu 177Lu




Cross sections do not include stellar enhancement factors!
History
VersionTotal MACS [mb]Partial to gs [mb]Partial to isomer [mb]
1.0?? ± ??--
0.21639 ± 14--
0.01532 ± 69--

(Version 0.0 corresponds to Bao et al.)
Comment
Rec. value is from Wis04c. Measurement of RVJ10 is in perfect agreement but not considered for the rec. value since it was published only as conference proceeding. Extrapolation to kT= 5 keV done with normalized energy-dependence of endfb71 (f=1.116).
Last review: In process
List of all available values
originalrenorm.yeartypeCommentRef
1629 ± 14
2010cW Spall., TOF; Au: Sat.RJV10
1639 ± 14
1744 ± 222004dVdG, TOF, Au:RaK88Wis04c
1526 ± 69
1984cLinac, TOF, 6Li, Au:Sat.BWM84
1514 ± 56
14991984cVdG, TOF, Au:Mac82eBWM84
1718 ± 85
15991980cVdG, Act., 1/v(kT), Au:B-IVBeK80
2236 ± 335
20721973cVdG, TOF, 10B:Mag75,SPU71, Au:628mb(kT=30keV)SGK73
1548
2011eENDF/B-VII.1endfb71
1548
2004eJEFF-3.1jeff31
2250 ± 200
1971eAGM71
1007
2005tMOST 2005Gor05
1175
2002tMOST 2002Gor02
1637
2000tNON-SMOKERRaT99
2087
1981tHar81
2680
1976tHWF76


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
dRenormalized 2017 based on updated Au measurement
eEvaluated value taken directly from the reference
tTheoretical value
MACS, SEF and Reaction Rates for different energies
Energy5keV8keV10keV15keV20keV25keV30keV40keV50keV60keV80keV100keV
MACS
5129 ± 325
3787 ± 148
3291 ± 102
2572 ± 54
2177 ± 37
1923 ± 29
1744 ± 25
1509 ± 20
1360 ± 19
1257 ± 20
1119 ± 26
1026 ± 33
Xfactor1.001.001.001.001.001.000.990.980.950.920.830.73
SEF1.001.001.001.001.001.001.000.990.990.970.940.88
Rate
3.04
2.84
2.76
2.64
2.58
2.55
2.53
2.52
2.52
2.52
2.48
2.40

MACS:
Reference: Rei18
Procedure: 'd' (Renormalized 2017 based on updated Au measurement)
Year: 2018

X-factor:
Reference: Rau12
Year: 2012

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

Rate:
Reaction rate NA<σv> given in 108 cm3/mole/s, including SEF
Chart of nuclei
up
left
176Ta
8.09 h
β+
177Ta
2.36 d
β+
178Ta
9.31 m
β+
179Ta
1.82 a
1334 mb, β+
180Ta
8.15 h
1640 mb, β+
175Hf
70.00 d
β+
176Hf
5.26
455 mb
177Hf
18.6
1500 mb
178Hf
27.28
314 mb
179Hf
13.62
956 mb
174Lu
3.31 a
β+
175Lu
97.41
1146 mb
176Lu
37.61x109 y
1532 mb, β-
177Lu
6.65 d
β-
178Lu
28.40 m
β-
173Yb
16.13
754 mb
174Yb
31.83
151 mb
175Yb
4.18 d
558 mb, β-
176Yb
12.76
115.8 mb
177Yb
1.91 h
β-
172Tm
2.65 d
β-
173Tm
8.24 h
β-
174Tm
5.40 m
β-
175Tm
15.20 m
β-
176Tm
1.90 m
β-
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Style: (S, M, L, XL or Alberto)


Isotope: Lutetium