Analysis of Double Differential Cross Section for Neutron Induced and Neutron Emission Reaction of 209Bi Isotope

Abstract

The double-differential cross sections (DDX) of neutron induced and neutron emission reaction of 209Bi isotope are calculated and analysed at neutron emission energies below 7 MeV at 3 laboratory angles between 200 and 1500 . In the calculations, the latest version of Talys 1.96 is utilized to calculate the total, direct, pre-equilibrium and compound cross sections, which are obtained using the same parameters. The contributions of direct, pre-equilibrium and compound processes to the total cross section are separately investigated. It is presented that the compound part has the greatest contribution. The calculation results are compared with the existing experimental data taken from EXFOR library.

Keywords

• 209Bi
• DDX
• neutron induced reaction
• Talys 1.96

209Bi İzotopunun Nötron ile İndüklenmiş ve Nötron Emisyon Reaksiyonu için Çift Diferansiyel Tesir Kesiti Analizi

Abstract

209Bi izotopunun nötron ile indüklenen ve nötron yayınlayan reaksiyonuna ait çift diferansiyel tesir kesiti değerleri (DDX) hesaplanmıştır ve 7 MeV altında nötron yayma enerjilerinde 200 ve 1500 arasındaki 3 laboratuvar açısında analiz edilmiştir.Hesaplamalarda, aynı parametreler kullanılarak elde edilen toplam, direkt, denge-öncesi ve bileşik tesir kesitleri Talys 1.96 son versiyonukullanılarak elde edilmiştir. Direkt, denge-öncesi ve bileşik süreçlerin toplam tesir kesitine katkıları ayrı ayrı incelenmiştir. Bileşik kısmın en büyük katkıya sahip olduğu sunulmuştur. Hesaplama sonuçları EXFOR kütüphanesinden alınan deneysel veriler ile karşılaştırılmıştır.

Keywords

• 209Bi
• DDX
• nötron ile indüklenen reaksiyon
• nötron yayma reaksiyonu
• Talys 1.96

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