Cross Section Calculations of the Deuteron Induced Reactions on Uranium Isotopes

Yıl 2020, , 55 - 63, 18.06.2020

Deniz Canbula

https://doi.org/10.33484/sinopfbd.633832

Öz

In this study, cross section of ²³⁵U(d,n)²³⁸Np, ²³⁵U(d,2n)²³⁵Np , ²³⁵U(d,3n)²³⁴Np , ²³⁸U(d,2n)²³⁸Np and ²³⁸U(d,4n)²³⁶Np reactions are calculated by using TALYS 1.6 computer code in the energy range from 5 to 35 MeV. In the calculations, 3 microscopic (level density model based on Goriely Skyrme HFB, Hilaire combinatorial level density model based on Skyrme HFB, level density model based on temperature dependent Gogny HFB) 3 macroscopic (back-shifted Fermi gas model, constant temperature model, generalized superfluid model) level density models are used as an optional inputs and their effects on the reaction cross section are investigated. Theoretical predictions are compared with the experimental data taken from EXFOR library.

Anahtar Kelimeler

Cross section, nuclear level density, nuclear level density models, TALYS

Döteron ile İndüklenmiş Uranyum İzotoplarının Tesir Kesiti Hesaplamaları

Öz

Bu çalışmada, ²³⁵U(d,n)²³⁸Np,
²³⁵U(d,2n)²³⁵Np , ²³⁵U(d,3n)²³⁴Np ,
²³⁸U(d,2n)²³⁸Np ve ²³⁸U(d,4n)²³⁶Np
reaksiyonlarının tesir kesitleri TALYS 1.6 bilgisayar programı kullanılarak
5-35 MeV enerji aralığında hesaplanmıştır. Hesaplamalarda 3 tanesi mikroskopik   (Skyrme HFB tabanlı seviye yoğunluğu modeli,
Skyrme HFB tabanlı kombinasyonel seviye yoğunluğu modeli ve sıcaklığa bağlı
Gogny HFB tabanlı seviye yoğunluğu modeli) 3 tanesi makroskopik
(geri-kaydırılmış Fermi gaz modeli, sabit sıcaklık modeli, genelleştirilmiş
süperakışkan model) seviye yoğunluğu modelleri opsiyonel birer girdi olarak
kullanılmış ve reaksiyon tesir kesiti üzerindeki etkisi incelenmiştir. Teorik
tahminler EXFOR veri tabanından alınan deneysel veriler ile
karşılaştırılmıştır.

Anahtar Kelimeler

Nükleer seviye yoğunluğu, nükleer seviye yoğunluğu modelleri, TALYS, tesir kesiti

Kaynakça

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