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Theoretical Photoneutron Cross Sections and the Effect of Gamma Strength Functions for W, Ag, Nb

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Karpuz Demır N., Çetın B.

Acta Physica Polonica A

2017

vol. 132

issue 3

1076-1079

In nuclear reactions the usage of high energy gamma particles, as projectiles, has some essential advantages for studying of nuclear structure and reaction mechanisms. In this work, (γ,n) reaction cross sections of ¹⁸⁶W, ¹⁰⁷Ag and ⁹³Nb have been calculated with TALYS 1.6 nuclear reaction simulation code. The main aim of this study is to investigate the effects of preequilibrium and the gamma strength functions on ¹⁸⁶W, ¹⁰⁷Ag and ⁹³Nb. The calculated results have been discussed and compared with the experimental data.

Photoactivation Analysis of Mineral Trioxide Aggregate: Preliminary Results

100%

Eke C., Er K., Segebade C., Boztosun I.

Acta Physica Polonica A

2017

vol. 132

issue 3

869-871

The purpose of this study is to qualitatively analyse the elemental components of a mineral trioxide aggregate material using photoactivation. The material was irradiated for two hours using bremsstrahlung photons with an end-point energy of 18 MeV from a clinical electron linear accelerator. After irradiation the gamma-ray emission of the sample was counted by gamma spectrometry using a high-purity germanium (HPGe) detector. The gamma-ray spectra were analyzed by computer software. Major and trace elements were detected.

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2 Acta Physica Polonica A

2 2017

1 Boztosun I.

1 Eke C.

1 Er K.

1 Karpuz Demır N.

1 Segebade C.

1 Çetın B.

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Theoretical Photoneutron Cross Sections and the Effect of Gamma Strength Functions for W, Ag, Nb

Photoactivation Analysis of Mineral Trioxide Aggregate: Preliminary Results