Assist. Prof. Dr. Kristina Demirhan | Radiation chemistry | Best Researcher Award

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Assist. Prof. Dr. Kristina Demirhan | Radiation chemistry | Best Researcher Award

Assist. Prof. Dr. Kristina Demirhan | Radiation chemistry | Senior Research Associate, Assistant Professor at University of Novi Sad, Faculty of Sciences, Department of Physics , Serbia

Dr. Kristina Demirhan is a nuclear physicist specializing in gamma spectrometry, radioecology, radiation protection, and cosmic-ray studies. She completed her Ph.D. in Nuclear Physics in 2015 with a perfect GPA of 10.00. she has been affiliated with the Department of Physics, Faculty of Sciences, University of Novi Sad, progressing from Research Associate to Senior Research Associate. She has led multiple international projects in cosmic-ray imaging and nuclear technology applications. With 45 journal publications, six book chapters, and over 50 conference contributions, she has significantly contributed to nuclear physics. She is an expert in Monte Carlo simulations, muon tomography, and rare nuclear events. She also serves as the Head of the Accredited Laboratory for Gamma Spectrometer Calibration. Her work has earned her 331 citations and an h-index of 11. She is fluent in English and actively collaborates on international scientific initiatives.

Professional Profile :         

Orcid

Scopus 

Summary of Suitability for Award:

Dr. Kristina Demirhan is an exceptional candidate for the Best Researcher Award, given her outstanding contributions to nuclear physics. With a Ph.D. completed in 2015 with a perfect GPA of 10.00, she has demonstrated academic excellence and research prowess. Her expertise spans nuclear physics, gamma spectrometry, cosmic-ray studies, and radiation protection, with a strong emphasis on Monte Carlo simulations, muon tomography, and rare nuclear events. Dr. Kristina Demirhan’s distinguished research achievements, leadership in international collaborations, and pioneering contributions to nuclear physics make her a highly suitable candidate for the a “Best Researcher Award”. Her work has significantly advanced nuclear imaging and cosmic-ray detection techniques, gaining international recognition. Her ability to integrate fundamental nuclear science with applied technologies in radiation protection and environmental monitoring further establishes her as a leading researcher in her field. Recognizing her with this award would honor her significant scientific contributions and inspire further advancements in nuclear research.

🎓Education:

Dr. Kristina Demirhan enrolled in Ph.D. studies in Nuclear Physics in 2011 at the Department of Physics, Faculty of Sciences, University of Novi Sad. In 2012, she received a prestigious scholarship from the Ministry of Education and Science for outstanding doctoral students. Her Ph.D. thesis, “Changes of Nuclear Spectra under the Influence of Cosmic Radiation,” was defended in 2015, and she graduated with a perfect GPA of 10.00. During her doctoral studies, she specialized in gamma spectrometry, radiation protection, and Monte Carlo simulations. She has also completed advanced training in nuclear instrumentation and cosmic-ray detection techniques. Her academic journey has equipped her with expertise in rare nuclear events, muon tomography, and radioecology, forming a strong foundation for her subsequent research and professional career.

🏢Work Experience:

Dr. Demirhan has been employed at the Department of Physics, Faculty of Sciences, University of Novi Sad, since 2012. She was appointed Research Associate in 2016, Assistant Professor in 2020, and Senior Research Associate in 2021. She has led multiple international research projects, including “Imaging Techniques with Cosmic-Ray Muons” (2017–2019) and “Imaging via Detection of Cosmic Muon Induced Secondary Particles” (2021–2023) under the Hungarian-Serbian Bilateral Science and Technology Cooperation Programme. She also coordinated the VoBaNISTA and ELECTRA projects within the Interreg-IPA Hungary–Serbia program. She is a key member of the Accredited Laboratory for Radioactivity and Dose Measurements and heads the Accredited Laboratory for Gamma Spectrometer Calibration. Additionally, she teaches “Applications of Nuclear Technology” and “Fundamental Interactions” at the master’s level.

🏅Awards: 

Dr. Demirhan was awarded a prestigious Ph.D. scholarship for outstanding students by the Ministry of Education and Science in 2012. She has led and coordinated multiple international scientific projects, gaining recognition for her contributions to nuclear imaging and cosmic-ray studies. She has delivered a keynote lecture at an international conference and contributed six book chapters to international monographs. Her research publications have received 331 citations, with an h-index of 11 (Scopus, March 2025). Her pioneering work in gamma spectrometry and Monte Carlo simulations has been acknowledged in nuclear physics and radiation protection communities. Additionally, she has received institutional recognition for her leadership in accredited laboratories for gamma spectrometry calibration and radiation dose measurements.

🔬Research Focus:

Dr. Kristina Demirhan’s research focuses on nuclear physics, gamma spectrometry, cosmic-ray studies, and radiation protection. She specializes in Monte Carlo simulations, muon tomography, and rare nuclear events. Her work includes developing imaging techniques using cosmic-ray muons and assessing environmental radioactivity. She has contributed to high-precision gamma spectrometry and radiation measurement methodologies. Her studies explore the impact of cosmic radiation on nuclear spectra and the application of nuclear technology in environmental monitoring. She actively integrates nuclear instrumentation with astrophysical and geophysical applications. She also works on international projects advancing nuclear imaging and secondary particle detection.

Publication Top Notes:

Natural Radioactivity and Technological Properties of Kaolinized Granite from the Motajica Mine, Bosnia and Herzegovina

Low-Level Gamma Ray Counting on Environmental Samples

Citations: 3

Corrections of HPGe Detector Efficiency Curve Due to True Coincidence Summing by Program EFFTRAN and by Monte Carlo Simulations

Study of Hanging Valley in Loess-Paleosoil Sediments with Soil Erosion Assessment Using Nuclear and Erosion Potential Methods

Time Characterization of Cosmic-Ray Induced Events in HPGe Detector by Monte Carlo Simulations

Application of <sup>90</sup>Sr for Industrial Purposes and Dose Assessment

Deposition of <sup>137</sup>Cs and Precipitation Distribution in Vojvodina, Northern Serbia after the Chernobyl Accident

Imaging by Muons and Their Induced Secondary Particles – A Novel Technique

Indoor Radon and Thoron Study and Assessment of Geogenic Radon Potential

Assist. Prof. Dr. Ali Biganeh | Nuclear Chemistry | Best Researcher Award

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Assist. Prof. Dr. Ali Biganeh | Nuclear Chemistry | Best Researcher Award

Assist. Prof. Dr. Ali Biganeh | Nuclear Science and Technology research Institute | Iran

A dedicated nuclear engineering graduate with extensive expertise in testing and troubleshooting nuclear electronics for various detectors, this individual is skilled in positron annihilation spectroscopy. Known for their excellent communication abilities, they effectively convey complex information regarding experimental results. Their experience includes implementing and analyzing positron experiments, showcasing strong multi-tasking and organizational skills essential for collaboration with professionals in the field. With a solid academic background, they completed their Bachelor’s in Physics, a Master’s in Nuclear Engineering, and a Ph.D. in Nuclear Engineering, all with outstanding GPA scores. Currently employed at the Nuclear Science and Technology Research Institute, they are actively involved in research and innovation within the field of radiation applications.

Professional Profile:

Scopus 

Summary of Suitability for Award :

Assist. Prof. Dr. Ali Biganeh exemplifies the qualities sought after in the “Best Researcher Awards” through their academic excellence, technical proficiency, significant research contributions, and ability to collaborate effectively within interdisciplinary teams. Their dedication to advancing nuclear engineering and the practical application of their research, especially in areas like positron annihilation spectroscopy, positions them as an exemplary candidate deserving of this recognition. Their commitment to excellence and innovation in the field further underscores their suitability for this award.

🎓Education:

The individual holds a Bachelor of Science in Physics from Shiraz University, Iran, completed between 2008 and 2012, with a GPA of 15.63/20. They further pursued a Master of Science in Nuclear Engineering with a focus on radiation applications at Amirkabir University of Technology from 2012 to 2016, achieving a remarkable GPA of 18.42/20. Their thesis on the design and simulation of magnets for a 100 MeV separated sector cyclotron earned a perfect grade of 20/20 under the supervision of Professor Hosein Afarideh. They continued their academic journey at the Nuclear Science and Technology Research Institute (NSTRI), obtaining a Ph.D. in Nuclear Engineering from 2016 to 2020, also with a GPA of 18.42/20. Their doctoral research focused on the experimental investigation of parameters affecting Doppler broadening in positron annihilation spectroscopy, culminating in another outstanding grade of 20/20.

🏢Work Experience:

With over eight years of experience, this nuclear engineering professional has worked at the Nuclear Science and Technology Research Institute since 2015. They specialize in analog and digital nuclear electronics, with a strong focus on positron annihilation spectroscopy (PAS). They have actively contributed to various research projects, particularly in the design and implementation of positron experiments, where they analyzed and presented experimental results. Their expertise encompasses digital signal processing, gamma ray spectroscopy, and radiation detector troubleshooting. Additionally, they have four years of experience in Proton Induced X-ray Fluorescence Spectroscopy (PIXE) and three years in low-level activity measurement using scintillation detectors. Their multifaceted background equips them to manage complex research initiatives and collaborate effectively with physicists and other professionals in the field, demonstrating exceptional organizational and communication skills throughout their career.

🏅Awards:

Throughout their academic journey, this nuclear engineering graduate has received several awards and honors that reflect their dedication and excellence in research and education. Notably, they achieved perfect grades of 20/20 for both their Master’s and Ph.D. theses, recognizing their outstanding contributions to the field of nuclear engineering. Their work on positron annihilation spectroscopy and the design of digital spectrometers has garnered attention and appreciation within the scientific community. Additionally, their innovative research on radiation applications has been presented at multiple national and international conferences, where they have received accolades for their impactful findings. Their active participation in academic activities, including conferences and symposiums, showcases their commitment to advancing knowledge in nuclear science. These recognitions underscore their capabilities and contributions to the field, positioning them as a leading researcher in nuclear engineering and radiation applications.

🔬Research Focus:

The individual’s research focus lies in the domain of nuclear engineering, particularly in the application of positron annihilation spectroscopy (PAS) for material analysis. Their doctoral thesis investigated the effective parameters influencing Doppler broadening in PAS, showcasing their commitment to understanding the electronic structures of materials. They have developed a digital coincidence Doppler broadening spectrometer, improving energy resolution and long-term stability compared to traditional analog systems. Additionally, their research explores the characterization of defects in materials using PAS, aiming to enhance non-destructive testing methodologies. Their expertise extends to digital electronics, where they investigate advancements in gamma ray spectroscopy and radiation detection systems. They have also engaged in projects involving proton-induced X-ray fluorescence (PIXE) and radiocarbon dating techniques, contributing to various fields, including materials science and medical applications. Their research efforts aim to advance both theoretical and practical aspects of nuclear engineering and its applications in diverse industries.

Publication Top Notes:

  • Publication: Differential cross-section measurement of the proton-proton elastic scattering in the energy range between 1500 and 3000 keV
  • Publication: Development of a 2D digital proton–proton scattering technique for hydrogen depth profiling
    • Citations: 1
  • Publication: Industrial gamma-ray computed tomography utilizing rod plastic scintillato
  • Publication: External PIXE analysis of a handwritten Persian endowment deed belonging to the Timurid dynasty
  • Publication: Digital signal processing for neutron-gamma discrimination using a liquid scintillator detector
    • Citations: 1