Evaluation of neutron nuclear data on xenon isotopes

Figures & data

Table 1. Values of OMP parameters.

Parameter	Modified values	Original values
V^0R	−38.89 MeV	−34.40 MeV
$V_R^{\text{DISP}}$	98.767 MeV	94.88 MeV
$W_D^{\text{DISP}}$	11.00 MeV	11.08 MeV
WIDD	15.095 MeV	12.72 MeV
aSO	0.49 fm	0.59 fm

Table 2. Coupled levels and deformation parameters.

Nucleus	J^π (Ex in keV)	Modified β2	Raman β2
^124Xe	0^+ (g.s.), 2^+ (354.03),	0.192	0.212
	4^+ (878.92), 6^+ (1548.46)
^126Xe	0^+(g.s.), 2^+ (388.631),	0.1781	0.188
	4^+ (942.00), 6^+ (1634.98)
^128Xe	0^+(g.s.), 2^+ (442.911),	0.1636	0.184
	4^+ (1033.15), 6^+ (1737.26)
^129Xe	1/2^+(g.s.), 3/2^+ (39.578),	0.1563	0.177
	5/2^+ (321.711), 7/2^+ (518.70)
^130Xe	0^+(g.s.), 2^+ (536.068),	0.149	0.169
	4^+ (1204.61), 6^+ (1944.14)
^131Xe	3/2^+(g.s.), 5/2^+ (364.49),	0.1350	0.155
	7/2^+ (636.99), 9/2^+ (971.22)
^132Xe	0^+(g.s.), 2^+ (667.715),	0.1209	0.141
	4^+ (1440.32), 6^+ (2111.88)
^134Xe	0^+(g.s.), 2^+ (847.041),	0.099	0.119
	4^+ (1731.17), 6^+ (2136.61)
^136Xe	0^+(g.s.), 2^+ (1313.03),	0.102	0.122
	4^+ (1694.39), 6^+ (1891.70)

Figure 1. Comparison of the present total cross section of natural Xe with the evaluated and experimental data.

Table 3. Pre-equilibrium parameters.

Isotopes	Cν	Cπ	Isotopes	Cν	Cπ
^124Xe	1.00	1.00	^131Xe	1.00	1.00
^125Xe	0.62	1.00	^132Xe	1.23	1.00
^126Xe	1.00	1.00	^133Xe	1.00	1.00
^127Xe	0.93	1.00	^134Xe	1.00	1.00
^128Xe	0.40	0.45	^135Xe	0.94	1.00
^129Xe	0.76	1.00	^136Xe	0.47	0.45
^130Xe	1.00	1.00	^137Xe	0.82	1.00

Table 4. Level density parameters for each isotope.

	a*	Δ	Esh	T	E0	Em	Emax
Isotope	1/MeV	MeV	MeV	MeV	MeV	MeV	MeV
^137Xe*	22.318	1.025	−3.896	0.566	0.082	5.078	2.230
^136Xe	16.954	2.058	−4.828	0.795	0.823	8.658	3.310
^135Xe*	21.617	1.033	−3.804	0.532	0.492	4.211	2.169
^134Xe	16.749	2.073	−2.819	0.804	−0.381	9.531	2.417
^133Xe*	18.344	1.041	−1.767	0.644	−0.608	6.043	1.071
^132Xe*	16.644	2.089	−1.151	0.689	0.251	7.428	2.670
^131Xe*	18.471	1.048	−0.177	0.604	−0.818	5.806	1.046
^130Xe*	16.037	2.105	0.153	0.670	0.163	7.205	2.705
^129Xe*	15.927	1.057	0.965	0.685	−1.349	6.617	1.089
^128Xe	16.131	2.121	1.122	0.676	−0.325	7.656	2.609
^127Xe	16.028	1.065	1.787	0.652	−1.288	6.277	1.119
^126Xe	15.924	2.138	1.762	0.654	−0.206	7.350	2.609
^125Xe	15.820	1.073	2.341	0.651	−1.401	6.325	1.126
^124Xe	15.717	2.155	2.177	0.596	0.418	6.391	2.625
^123Xe	15.613	1.082	2.645	0.656	−1.495	6.408	1.054
^122Xe	15.509	2.173	2.302	0.606	0.345	6.526	1.774
^136I	16.954	0.000	−5.030	0.797	−1.133	6.570	0.631
^135I	16.852	1.033	−5.872	0.872	−0.350	9.566	1.517
^134I	16.749	0.000	−4.810	0.876	−2.139	8.890	0.316
^133I	16.646	1.041	−3.591	0.807	−0.945	8.226	2.142
^132I	16.543	0.000	−2.498	0.743	−1.782	5.958	0.278
^131I	16.441	1.048	−1.642	0.712	−0.759	6.593	1.932
^130I*	17.362	0.000	−0.680	0.726	−2.837	6.660	0.296
^129I	16.234	1.057	−0.103	0.653	−0.675	5.862	1.292
^128I*	16.029	0.000	0.638	0.688	−2.361	5.579	0.554
^127I	16.028	1.065	1.071	0.632	−0.793	5.733	1.413
^126I	15.924	0.000	1.623	0.638	−2.089	4.878	0.591
^125I	15.820	1.073	1.885	0.607	−0.722	5.455	1.392
^124I	15.717	0.000	2.319	0.633	−2.207	4.887	0.497
^123I	15.613	1.082	2.416	0.577	−0.493	5.032	1.493
^122I	15.509	0.000	2.702	0.595	−1.829	4.270	0.458
^135Te	16.852	1.033	−6.146	0.948	−1.177	12.371	1.702
^134Te	16.749	2.073	−7.088	1.005	−0.173	15.817	2.727
^133Te	16.646	1.041	−5.789	0.948	−1.323	12.175	1.804
^132Te	16.543	2.089	−4.646	0.880	−0.099	10.951	3.015
^131Te*	20.931	1.048	−3.422	0.630	−0.458	6.229	1.207
^130Te	16.337	2.105	−2.610	0.790	−0.094	8.990	2.950
^129Te*	17.372	1.057	−1.461	0.712	−1.221	7.168	0.967
^128Te	16.131	2.121	−0.941	0.733	−0.148	8.175	2.762
^127Te*	16.635	1.065	0.102	0.649	−0.850	6.028	1.602
^126Te*	15.857	2.138	0.364	0.665	0.223	7.124	2.813
^125Te*	16.485	1.073	1.249	0.623	−0.912	5.813	1.358
^124Te*	15.194	2.155	1.308	0.715	−0.480	8.014	2.874
^123Te*	15.599	1.082	1.993	0.632	−0.967	5.826	1.446
^122Te	15.509	2.173	1.907	0.669	−0.263	7.501	2.996
^121Te	15.405	1.091	2.469	0.668	−1.502	6.493	1.177
^120Te	15.300	2.191	2.144	0.596	0.584	6.260	2.083

*Parameter a* was adjusted to experimental average level spacing of s-wave neutron resonances.

Figure 2. Comparison of the present ¹²⁴Xe(n,γ)¹²⁵Xe reaction cross section with the evaluated and experimental data.

Figure 3. Comparison of the present ¹²⁸Xe(n,γ)¹²⁹Xe reaction cross section with the evaluated and experimental data.

Figure 4. Comparison of the present ¹²⁹Xe(n,γ)¹³⁰Xe reaction cross section with the evaluated and experimental data.

Figure 5. Comparison of the present ¹³⁰Xe(n,γ)¹³¹Xe reaction cross section with the evaluated and experimental data.

Figure 6. Comparison of the present ¹³⁶Xe(n,γ)¹³⁷Xe reaction cross section with the evaluated and experimental data.

Figure 7. Comparison of the present capture cross sections of ^{126, 131, 132, 134}Xe with the evaluated data.

Figure 8. Comparison of the present ¹²⁴Xe(n,2n)¹²³Xe reaction cross section with the evaluated and experimental data.

Figure 9. Comparison of the present ¹²⁶Xe(n,2n)¹²⁵Xe reaction cross section with the evaluated and experimental data.

Figure 10. Comparison of the present ¹²⁸Xe(n,2n)¹²⁷Xe reaction cross section with the evaluated and experimental data.

Figure 11. Comparison of the present ¹³⁴Xe(n,2n)¹³³Xe reaction cross section with the evaluated and experimental data.

Figure 12. Comparison of the present ¹³⁶Xe(n,2n)¹³⁵Xe reaction cross section with the evaluated and experimental data.

Figure 13. Comparison of the present ¹²⁸Xe(n,p)¹²⁸I reaction cross section with the evaluated and experimental data.

Figure 14. Comparison of the present ¹³¹Xe(n,p)¹³¹I reaction cross section with the evaluated and experimental data.

Figure 15. Comparison of the present ^natXe(n,α) reaction cross section with the evaluated and experimental data.

Figure 16. Comparison of the present elastic scattering angular distributions with the evaluated data for natural Xe.

Figure 17. Comparison of the present neutron production double differential cross sections with those of JENDL-4.0 for natural Xe at emission angle 60 deg.

Figure 18. Comparison of the present γ-ray emission spectra with those of JENDL-4.0 for natural Xe.