Browsing Tıbbi Görüntüleme Teknikleri Programı / Medical Imaging Techniques Program by Title
Now showing items 1332 of 36

Effects of combining some theoretical models in the crosssection calculations of some alphainduced reactions for natSb
(Applied Radiation and Isotopes, 2022)In cases where it is not possible to obtain the crosssection values experimentally due to various factors, the importance of obtaining them with theoretical models has been explained in many studies available in the ... 
Effects of deuteron optical model potentials on the production crosssection calculations of 6668Ga 66  68Ga from natZn and natGe
(Modern Physics Letters A, 2022)Since it was reported that several radioisotopes might be advantageous for different medical uses in diagnostics and therapeutics, they have gained significance. Theoretical and experimental researches on such radioisotopes ... 
Effects of deuteron optical models on the crosssection 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 ... 
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 crosssection of (n,p) reactions at 14.5 ∓0.5 MeV neutron energy which is important to developing materials for fusion reactor ... 
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 ... 
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 Bayesianbased algorithm is presented for classification algorithms. Unknown ... 
Farklı açı ve enerjilerde 0Se (n,x) reaksiyonun tesir kesitinin tespit edilmesi
(ISPEC 10th International Conferences on Engineering & Natural Sciences, 2021)Nükleer fizik araştırmalarında kullanılacak olan elementlerin, yapmış oldukları nükleer reaksiyonlar sonucunda açığa çıkan parçacıkların açısal dağılımının bilinmesi, temel nükleer fizik çalışmalarının yanı sıra, zırhlama ... 
Investigation of level density and gama strength function for photoneutron reaction in medical linacs in beamline
(Applied Radiation and Isotopes, 2022)Photoneutron reaction crosssections of 197Au, 187Re, 186W, 181Ta, 94,95,96,97,98,100Mo isotopes were calculated through the TALYS 1.95 nuclear reaction code. The energy range of the incident photon chosen as 7 MeV–30 MeV ... 
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 xrays generated by accelerated electrons exceeds the bonding energies of high atomic ... 
Investigation of the production routes of Palladium103 and Iodine125 radioisotopes
(Radiation Physics and Chemistry, 2023)The most commonly used radioisotopes are Palladium103 (103Pd) and Iodine125 (125I) for interstitial application in brachytherapy. In the present study, different production routes of 103Pd and 125I have been investigated. ... 
An investigation on the effects of some theoretical models in the crosssection 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 crosssection which can be ob tained with the experimental studies or theoretical calculations. Theoretical calculations, in which various parameters and ... 
Level density model effects on the production crosssection 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, ... 
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 ... 
Mass excess estimations using artificial neural networks
(Applied Radiation and Isotopes, 2022)Mass excess knowledge is important to investigate the fundamental properties of atomic nuclei. It is a meaningful and important parameter for the determinations of nucleon binding energy, nuclear reaction Q value, energy ... 
Medikal lineer hızlandırıcı kafasında yer alan düzleştirici filtredeki elementlerin fotonötron 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 fotonötron ... 
Photoneutron crosssection 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 photoabsorption ... 
Photonuclear reaction crosssections of sn isotopes
(XV. International Conference on Nuclear Structure Properties, 2022) 
Production crosssection and reaction yield calculations for 123126I 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 ... 
Production crosssection calculations of 111In via proton and alphainduced 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, ... 
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. ...