Bazı Tellür İzotoplarının Nötron Yakalama Tesir Kesiti Analizi / Analysis of Some Tellur Isotopes Neutron Capture Cross Sections

Canbula, Bora

doi:10.18466/cbayarfbe.319917

Celal Bayar Üniversitesi Fen Bilimleri Dergisi

2017

DOI: 10.18466/cbayarfbe.319917

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Bazı Tellür İzotoplarının Nötron Yakalama Tesir Kesiti Analizi / Analysis of Some Tellur Isotopes Neutron Capture Cross Sections

Bora Canbula¹

Abstract: Nükleer astrofizikte ve nükleer enerji uygulamalarında önemli bir yere sahip olan nötron yakalama reaksiyonlarının tesir kesiti analizini yapmak amacıyla, bu çalışmada 122 Te(n,g) 123 Te, 123 Te(n,g) 124 Te, 124 Te(n,g) 125 Te, 125 Te(n,g) 126 Te, 126 Te(n,g) 127 Te, 128 Te(n,g) 130 Te ve 130 Te(n,g) 131 Te reaksiyonlarının nötron yakalama tesir kesitleri TALYS 1.6 bilgisayar kodu kullanılarak hesaplanmıştır. Hesaplamalarda beş farklı şiddet fonksiyonu ve altı farklı nükleer seviye yoğunluğu modeli kombinasyon… Show more

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“…The aim of the work is to study the effect of the nuclear level density and 𝛾-ray strength function on cross section of photoneutron reactions. To analyze these effects, best known computer code TALYS is used for the theoretical calculations [11][12][13][14][15][16][17][18][19]. This code is widely used code in the reaction analysis.…”

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A Study of Photoneutron Reactions Using Statistical Analysis

Canbula¹,

Canbula²

2022

East Eur. J. Phys.

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The well-known inputs for determining the reaction cross section are nuclear level density (NLD) and -ray strength functions. In this work, effects of -ray strength functions and NLD models on photoneutron reactions of 76,77,78Se isotopes are analyzed by using the latest version of TALYS computer code. For -ray strength functions, macroscopic and microscopic options which are available in the TALYS, are used in the calculations. Kopecky-Uhl and Brink Axel -ray strength function models as macroscopic options, Hartree-Fock BCS tables, Hartree-Fock Bogolyubov tables and Goriely’s hybrid model as microscopic options are preferred. The statistical analysis is carried out to determine the -ray strength function that reproduces the experimental data quite well. And then, calculations of photoneutron cross section are redone by using the determined -ray strength function via the NLD models. The Constant Temperature Model (CTM), Back Shifted Fermi Gas Model (BSFGM) and Generalized Superfluid Model (GSM) are preferred to use in NLD calculations. The predictions are compared with each other and the available experimental data. EXFOR library is used to take all experimental data.

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A Study of Photoneutron Reactions Using Statistical Analysis

Canbula¹,

Canbula²

2022

East Eur. J. Phys.

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Investigation of charged-particle induced reactions on ²⁷Al up to 100 MeV leading to the formation of ²²Na and ²⁴Na

Canbula

2023

Radiochimica Acta

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Studies using theoretical models are of great importance for understanding of reaction process and its nature. In this study, nuclear level density model calculations of the cross sections of 27Al are investigated by using TALYS 1.96 computer code. The cross section calculations of 27Al(α,x)22Na, 27Al(α,x)24Na, 27Al(3He,x)22Na, 27Al(3He,x)24Na, 27Al(p,x)22Na and 27Al(p,x)24Na reactions were carried out for incident particle energy up to 100 MeV. In these calculations, four nuclear level density models, namely constant temperature model (CTM), back-shifted Fermi gas model (BSFGM), generalized superfluid model (GSM) and recently proposed semi-classical Fermi gas model (CSCFGM) are used. This model is developed using the simplest model BSFGM. The most obvious difference between CSCFGM and other models is the inclusion of the collective effects in the base of the formulation. The predicted results are discussed and compared with each other and the available experimental data taken from EXFOR library. In order to better evaluate the model results, chi-squared values are calculated and compared with each other for all analyzed reactions. According to the chi-squared results, CSCFGM gives closer predictions to the experimental data compared with the other models in 4 of the 6 analyzed reactions. Therefore, in this study, it is presented that this model can be reliably used in the reaction cross section calculations.

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Bazı Tellür İzotoplarının Nötron Yakalama Tesir Kesiti Analizi / Analysis of Some Tellur Isotopes Neutron Capture Cross Sections

Cited by 2 publications

References 35 publications

A Study of Photoneutron Reactions Using Statistical Analysis

A Study of Photoneutron Reactions Using Statistical Analysis

Investigation of charged-particle induced reactions on ²⁷Al up to 100 MeV leading to the formation of ²²Na and ²⁴Na

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Bazı Tellür İzotoplarının Nötron Yakalama Tesir Kesiti Analizi / Analysis of Some Tellur Isotopes Neutron Capture Cross Sections

Cited by 2 publications

References 35 publications

A Study of Photoneutron Reactions Using Statistical Analysis

A Study of Photoneutron Reactions Using Statistical Analysis

Investigation of charged-particle induced reactions on 27Al up to 100 MeV leading to the formation of 22Na and 24Na

Contact Info

Product

Resources

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Investigation of charged-particle induced reactions on ²⁷Al up to 100 MeV leading to the formation of ²²Na and ²⁴Na