38-Sr-87

Reaction 0.0253-eV Maxwellian
Average
g-factor Resonance
Integral
14-MeV Fiss. Spec.
Average
(n,total) 23.98 (b) 24.97 (b) 1.041 3.750 (b) 5.154 (b)
(n,elastic) 6.938 (b) 7.830 (b) 1.129 2.013 (b) 4.450 (b)
(n,inelastic) ( E-thr = 393.0 keV ) 575.1 (mb) 688.3 (mb)
(n,2n) ( E-thr = 8.526 MeV ) 1.121 (b) 613.0 (μb)
(n,na) ( E-thr = 7.409 MeV ) 157.3 (nb) 2.263 (nb)
(n,np) ( E-thr = 9.532 MeV ) 800.9 (μb) 263.9 (nb)
(n,nd) ( E-thr = 16.03 MeV ) 1.290e-12 (b)
(n,γ) 17.04 (b) 17.14 (b) 1.006 121.4 (b) 923.6 (μb) 14.00 (mb)
(n,p) 0.000 (b) 0.000 (b) 3.958 (mb) 37.01 (mb) 442.9 (μb)
(n,d) ( E-thr = 7.281 MeV ) 960.3 (μb) 174.4 (nb)
(n,t) ( E-thr = 9.703 MeV ) 42.10 (nb) 861.4e-12 (b)
(n,He-3) ( E-thr = 10.38 MeV ) 0.000 (b) 215.9e-15 (b)
(n,a) 0.000 (b) 0.000 (b) 48.47 (μb) 1.143 (mb) 2.756 (μb)
MT = 203 0.000 (b) 0.000 (b) 3.958 (mb) 37.81 (mb) 443.2 (μb)
MT = 204 ( E-thr = 7.281 MeV ) 960.3 (μb) 174.4 (nb)
MT = 205 ( E-thr = 9.703 MeV ) 42.10 (nb) 861.4e-12 (b)
MT = 206 ( E-thr = 10.38 MeV ) 0.000 (b) 215.9e-15 (b)
MT = 207 0.000 (b) 0.000 (b) 48.47 (μb) 1.143 (mb) 2.758 (μb)

These cross sections are calculated from JENDL-4.0 at 300K.
The background color of each cell noted a cross section means the order of the cross-section value.
The unit of cross section, (b), means barns, and SI prefixes are used as following.
(kb) → 103(b),   (mb) → 10−3(b),  (μb) → 10−6(b),  (nb) → 10−9(b).

Maxwellian Average :
σmacs(T) =
2
 
 
π
EU
 
EL
σ(E,T) ⋅ E ⋅ exp (
E
  
kBT
) dE
 
EU
 
EL
E ⋅ exp (
E
  
kBT
) dE
,
where T denotes the temperature, and kB the Boltzmann constant. The upper and lower limits of integration, EL and EU are set to 10−5 eV and 10 eV, respectively.
Resonance Integral :
σri(T) =
EU
 
EL
σ(E,T) ⋅
1
 
E
dE ,
with  EL = 0.5 eV  and  EU = 10 MeV.
U-235 Thermal Fission-Neutron Spectrum Average (Fiss. Spec. Average) :
σfacs(T) =
EU
 
EL
σ(E,T) ⋅
 
4
 
πa3b
⋅ exp (
ab E
     
4 a
) ⋅ sinh
 
bE
dE
 
EU
 
EL
 
4
 
πa3b
⋅ exp (
ab E
     
4 a
) ⋅ sinh
 
bE
dE
,
with  EL = 10−5 eV  and  EU = 20 MeV. The parameters a and b are 0.988 MeV and 2.249 MeV−1, respectively.
Westcott g-factor :
g(T) =
σmacs(T)
 
σ(0.0253 eV,T)
 .