Browsing Tıbbi Görüntüleme Teknikleri Programı / Medical Imaging Techniques Program by Issue Date
Now showing items 1-20 of 52
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Mamografi sistemlerinde ilgi alanı türev ve ince gruplama seçimlerinin modülasyon transfer fonksiyonunun üzerine etkileri
(Süleyman Demirel Üniversitesi Fen Edebiyat Fakültesi Fen Dergisi, 2020)Bu çalışmada, mamografi sisteminin görüntü kalitesi matematiksel yöntemler ile ölçülmüştür. Mamografi sistemlerinde performans ölçümleri için uygulanan yeni yöntemler, bu sistemlerin görüntü kalitesinin sayısal olarak ... -
Level density model effects on the production cross-section calculations of some medical isotopes via (α, xn) reactions where x = 1–3
(Modern Physics Letters A, 2020)Level density models have an undeniable importance for a better perception on the na- ture of nuclear reactions, which influences our life via various ways. Many novel and advanced medical application use radioisotopes, ... -
A study on the calculations of cross-sections for 66,67ga and 75se radionuclides production reactions via 3he particles
(Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering, 2020)The intend of this paper is to study on different production routes of medical 66,67Ga and 75Se radionuclides used in cancer diagnostic. Both 66,67Ga and 75Se are the most well-known radionuclides used in diagnostics of ... -
Astrophysical S-factor calculations under the effects of gamma-ray strength functions for some alpha capture reactions
(Moscow University Physics Bulletin, 2020)The reaction cross section and the energy, at which this value is obtained, are extremely important parameters in the calculation of astrophysical S-factor. Astrophysical S-factor values can be shown as one of the most ... -
Photo-neutron cross-section calculations of 54,56Fe, 90,91,92,94Zr, 93Nb and 107Ag isotopes with newly obtained giant dipole resonance parameters
(Applied Radiation and Isotopes, 2020)The knowledge of the interaction of photons with matter is of vital importance to investigate fundamental nu- clear physics problems. Giant dipole resonance (GDR) mechanism is dominant up to 30 MeV at photo-absorption ... -
Investigation of the effects of different composite materials on neutron contamination caused by medical LINAC
(Kerntechnik, 2020)In a medical linear accelerator, the primary and secondary collimators are generally made of high atomic weight metals. The energy of the x-rays generated by accelerated electrons exceeds the bonding energies of high atomic ... -
75-77Br radyoizotoplarının üretim tesir kesiti hesaplamalarında bazı seviye yoğunluğu modellerinin etkilerinin incelenmesi
(Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020)Radyoizotopların kullanım alanları, gelişen teknoloji ve bilimsel ilerlemeler sayesinde giderek yaygınlaşmış ve çeşitlenmiştir. Radyoizotopların en yaygın kullanıldığı alan ise medikal teşhis ve tedavi uygulamalarıdır. Bu ... -
An investigation on the effects of some theoretical models in the cross-section calculations of 50,52,53,54 Cr(α,x) reactions
(Physics of Atomic Nuclei, 2020)The probability of a nuclear reaction occurrence is defined as cross-section which can be ob- tained with the experimental studies or theoretical calculations. Theoretical calculations, in which various parameters and ... -
Estimation of (n,p) reaction cross sections at 14.5 ∓ 0.5 MeV neutron energy by using artificial neural network
(Applied Radiation and Isotopes, 2021)The aim of this study is to develop an accurate artificial neural network algorithm for the cross-section of (n,p) reactions at 14.5 ∓0.5 MeV neutron energy which is important to developing materials for fusion reactor ... -
Detection of elemental diversity in teeth in the by Ipaa method
(3. International Sciences and Innovation Congress, 2021)There are many element analysis methods for substances whose element diversity is unknown. One of them is the photon activation analysis method (IPAA). In this study, photon activation analysis method(IPAA), which is a ... -
Effects of deuteron optical models on the cross-section calculations of deuteron induced reactions on natural germanium
(Applied Radiation and Isotopes, 2021)A common feature of scientific studies is that when experimental observation data are not available, theoretical calculations are used to obtain information about the subject under investigation. In this context, many ... -
93Nb (n,γ) diferansiyel tesir kesitinin hesaplanması
(Iğdır International Applied Sciences Congress, 2021)Niyobyumun nükleer reaktörlerin yapısında bulunan ve çeşitli nükleer tesislerde kullanılan bir elementtir. Nb ile nötron etkileşimi nükleer reaktörlerde malzeme seçimi güvenlik açısından oldukça önemlidir. Bilgisayar kodları ... -
Estimations of level density parameters by using artificial neural network for phenomenological level density models
(Applied Radiation and Isotopes, 2021)The main aim of this study is to develop accurate artificial neural network (ANN) algorithms to estimate level density parameters. An efficient Bayesian-based algorithm is presented for classification algorithms. Unknown ... -
Estimations of giant dipole resonance parameters using artificial neural network
(Applied Radiation and Isotopes, 2021)In this study; Giant Dipole Resonance (GDR) parameters of the spherical nucleus have been estimated by using artificial neural network (ANN) algorithms. The ANN training has been carried out with the Levenberg–Marquardt ... -
Production cross-section and reaction yield calculations for 123-126I isotopes on 123Sb(α,xn) reactions
(Kuwait Journal of Science, 2021)Most of the radioisotopes used in the medical fields, like examination and treatment studies, were produced by employing nuclear reactions. Within the process of a nuclear reaction, one of the most important parameters is ... -
Medikal lineer hızlandırıcı kafasında yer alan düzleştirici filtredeki elementlerin foto-nötron tesir kesitinin incelenmesi
(18. Ulusal Medikal Fizik Kongresi, 2021)Radyoterapide kullanılan E > 8 MeV enerjili foton demetlerinin medikal lineer hızlandırıcı (LİNAK) kafasında ışın demeti yolunda yer alan düzleştirici filtrelerin içerdiği materyallerin çekirdeği ile gerçekleşen foto-nötron ... -
Detection of izotopes in tooth samples using the Ipaa method
(3. International Sciences and Innovation Congress, 2021)With the IPAA method, which has a very important place among the element analysis methods, many substances with unknown element concentrations can be shed light on. The particular preference of the IPAA method has an ... -
Radiation shielding properties of mortars containing heavyweight particles
(Kerntechnik, 2021)In this study, iron, steel and chromium waste heavyweight particles were replaced by calcerous sand with different percentages in volume and the radiation shielding properties of resulting mortar samples were investigated. ... -
0Br elementi için (n,x) reaksiyonun farklı açı ve enerji değerlerinde tesir kesitinin hesaplanması
(ISPEC 10th International Conferences on Engineering & Natural Sciences, 2021)Nükleer Reaktörlerde üretilen geçici çekirdekler genellikle kısa yarı ömürlüdür, dolayısıyla, bu çekirdeklerin tesir kesitlerinin ve parçacıkların yayınlanma spektrumlarının doğrudan ölçülmesi pek mümkün olmamaktadır. Bu ... -
Production cross-section calculations of 111In via proton and alpha-induced nuclear reactions
(Modern Physics Letters A, 2021)111In , a known gamma emitter, is used for many medical purposes such as imaging of myocardial metastases. It can be produced by using different nuclear reactions. In this study, the reactions of 109Ag(𝛼,2n)111In, ...
