Comprehensive analysis of uncertainty quantification for the 58Ni(n, p)58Co reaction cross section

被引：1

作者：

Choudhary, Mahesh ^{[1
]}

Sharma, Aman ^{[1
]}

Singh, Namrata ^{[1
]}

Upadhyay, Mahima ^{[1
]}

Dubey, Punit ^{[1
]}

Gandhi, A. ^{[2
]}

Hingu, Akash ^{[3
]}

Mishra, G. ^{[4
]}

De, Sukanya ^{[4
]}

Danu, L. S. ^{[4
]}

Kumar, Ajay ^{[4
]}

Thomas, R. G. ^{[4
]}

Sood, Saurav ^{[5
]}

Prasad, Sajin ^{[5
]}

Mukherjee, S. ^{[6
]}

Ruskov, I. N. ^{[7
]}

Kopatch, Yu. N. ^{[8
]}

Kumar, A. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Dept Phys, Varanasi 221005, India

[2] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Bucharest 077125, Romania

[3] Maharaja Sayajirao Univ Baroda, Dept Appl Phys, Vadodara 390002, India

[4] Bhabha Atom Res Ctr, Nucl Phys Div, Mumbai 400085, India

[5] Bhabha Atom Res Ctr, Hlth Phys Div, Mumbai 400085, India

[6] Brno Univ Technol, Dept Elect Power Engn, Brno 61600, Czech Republic

[7] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia 1784, Bulgaria

[8] Joint Inst Nucl Res JINR, Dubna 141980, Russia

来源：

CHINESE PHYSICS C | 2024年 / 48卷 / 09期

关键词：

Ni-58(n; p)Co-58; reaction; gamma-ray spectroscopy; uncertainty quantification of cross section; covariance analysis; NUCLEAR-DATA EVALUATION; COVARIANCE ANALYSIS; NEUTRON; PHYSICS;

D O I：

10.1088/1674-1137/ad5662

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

In this study, we measured the Ni-58(n, p)Co-58 reaction cross section with neutron energies of 1.06, 1.86, and 2.85 MeV. The cross section was measured using neutron activation techniques and gamma-ray spectroscopy, and it was compared with cross section data available in the EXFOR. Furthermore, we calculated the covariance matrix of the measured cross section for the aforementioned nuclear reaction. The uncertainties of the theoretical calculation for 58Ni(n, p)58Co reaction cross section were calculated via Monte Carlo method. In this study, we used uncertainties in the optical model and level density parameters to calculate uncertainties in the theoretical cross sections. The theoretical calculations were performed by using TALYS-1.96. In this study, we aim to analyze the effect of uncertainties of the nuclear model input as well as different experimental variables used to obtain the values of reaction cross section.

引用

页数：6

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