Cross sections for formation of 139mCe radioisotope through the 140Ce (n, 2n) reaction over 13.73-14.77 MeV neutrons

被引：3

作者：

Bharud, Vishal D. ^{[1
]}

Attar, F. M. D. ^{[2
]}

Dahiwale, S. S. ^{[1
]}

Dhole, S. D. ^{[1
]}

Bhoraskar, V. N. ^{[1
]}

机构：

[1] Savitribai Phule Pune Univ, Dept Phys, Pune 411007, Maharashtra, India

[2] Poona Coll, KBH Rd, Pune 411001, Maharashtra, India

来源：

APPLIED RADIATION AND ISOTOPES | 2019年 / 146卷

关键词：

Ce-140(n 2n)Ce-139m reaction cross sections; D plus T reaction neutron; Activation and off-line gamma-ray spectrometry; TALYS; 1.8; EMPIRE-3.2; Malta; NUCLEAR-DATA SHEETS; RADIATIVE STRENGTH; METASTABLE STATES; N; 2N REACTIONS; ENERGY-RANGE; ISOTOPES; RATIOS;

D O I：

10.1016/j.apradiso.2019.01.003

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Cross sections for the formation of metastable state of Ce-139 through Ce-140(n, 2n)Ce-139m reaction were measured at five neutron energies over 13.73-14.77 MeV range using the activation method and off-line gamma-ray spectrometric technique. These cross sections were in agreement with the corresponding theoretical cross sections estimated over 10-20 MeV neutrons by EMPIRE-3.2 code, using LEVEDEN 4 and strength function GSTRFN 0 parameters, and TALYS-1.8 code using Idmodel 5 and preeqmode 4 parameters. The estimated most probable excitation energies of Ce-139 were 1.320-3.877 MeV, respectively over 13.73 MeV and 14.77 MeV neutron energies.

引用

页码：10 / 17

页数：8

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