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Per Christian HansenView profile

Professor

• Numerical Analysis
• Numerical Linear Algebra
• Iterative Reconstruction Methods
• +8 more

Per Christian Hansen is a Professor at the Department of Applied Mathematics and Computer Science (DTU Compute), Technical University of Denmark (DTU), where he leads the Section for Scientific Computing. He is a VILLUM Investigator and heads the CUQI (Computational Uncertainty Quantification for Inverse Problems) research initiative, aiming to develop accessible computational platforms for uncertainty quantification in inverse problems. His expertise lies in numerical analysis, numerical linear algebra, iterative reconstruction methods, and computational inverse problems, with applications in tomography, signal analysis, and plasma physics. His research integrates theoretical analysis—such as perturbation and convergence analysis—with the development of robust, adaptive, and efficient computational methods. He has co-authored five books, over 100 scientific papers, and several widely used MATLAB software packages, including IR Tools and Regularization Tools. His recent work (2023–2025) emphasizes uncertainty quantification, Bayesian inversion, and high-dimensional tomography in fusion plasmas, reflecting a strong trend toward probabilistic and robust modeling in inverse problems. He is a SIAM Fellow (2015) for his contributions to computational methods for rank-deficient and discrete ill-posed problems and regularization techniques. His scientific leadership is evident in both theoretical advances and practical software implementations. He actively collaborates across disciplines, particularly in nuclear fusion and medical imaging, and continues to supervise PhD students and publish in top-tier journals such as Inverse Problems , SIAM Journal on Scientific Computing , and Nuclear Fusion . SIAM Fellow (2015) VILLUM Investigator He advises PhD and Master’s students in computational mathematics and inverse problems, and his research is supported by major grants, including the VILLUM Investigator award. He leads the CUQI team, which develops open-source tools for non-experts to apply uncertainty quantification in inverse problems. His lab focuses on creating modeling frameworks that bridge theory, computation, and real-world applications in materials science, imaging, and plasma diagnostics.

Oskari Ville PakariView profile

Lecturer

• Nuclear Engineering
• Reactor Physics
• Radiation Detection
• +3 more

Oskari Ville Pakari is a Lecturer at the School of Basic Sciences, École polytechnique fédérale de Lausanne (EPFL), affiliated with both the Institute of Physics (IPHYS) and the Swiss Plasma Center (SPH-ENS). He contributes to teaching and research, particularly in reactor physics and radiation detection. His research focuses on nuclear reactor diagnostics , gamma noise analysis , and neutron spectroscopy . He actively develops mixed reality visualization tools for radiation detection data and participates in the European CORTEX project for reactor monitoring. Selected publications highlight his work in gamma-ray imaging , neutron noise simulations , and detector system validation using advanced statistical methods like bootstrapping and Welch's technique. Teaching activities include courses on Radiation biology, protection, and applications Radiation and reactor experiments He advises PhD student Saliba Michel and collaborates with international institutions such as CEA, KIT, and LRS (Laboratory of Reactor Physics and Systems Behaviour) at EPFL.

• Astroparticle Physics
• Multimessenger Astronomy
• Ultra-High-Energy Cosmic Rays
• +7 more

Foteini Oikonomou is an Associate Professor at the Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU). She specializes in theoretical astroparticle physics, focusing on extreme astrophysical environments that accelerate particles to energies exceeding 10 20 eV. Current research includes multimessenger emission modeling of active galactic nuclei Expertise in cosmic ray acceleration and high-energy neutrino origin Active in teaching advanced astrophysics and particle physics Her work bridges astrophysics, particle physics, and cosmology, with particular attention to blazars, tidal disruption events, and ultra-high-energy cosmic rays. She contributes to major collaborations like GRAND and GCOS, developing future instrumentation for astroparticle detection. Recent publications explore cosmic ray propagation in diverse source populations, neutrino emission from transient astrophysical phenomena, and magnetic field line effects on particle acceleration. Her research has been featured in journals such as Nature Reviews Physics , Physical Review D , and The Astrophysical Journal . She teaches AST-3451 Astrophysics II and has previously taught particle physics (FY3403/FY8913) and general astrophysics (FY2450). Her outreach includes public explanations of ultra-high-energy cosmic ray research through popular science articles.

• Particle and high energy physics
• Astronomical sciences
• Nuclear and plasma physics
• +3 more

Wayne Springer is a Professor in the Department of Physics & Astronomy at the University of Utah, with a career spanning over 25 years. He has been actively involved in experimental particle astrophysics, ultra-high-energy cosmic ray (UHECR) physics, and gamma-ray astronomy. Ph.D. in Physics from University of Maryland (1991) B.S. in Physics from University of Maryland (1985) Postdoctoral training at University of Maryland and University of Alberta His research focuses on particle astrophysics, cosmic ray detection, and gamma-ray astronomy. He has made significant contributions to the development of the HiRes and Telescope Array cosmic ray observatories, as well as the HAWC and SWGO gamma-ray observatories. His recent work includes deployment of the Trinity neutrino detector prototype and serving as SWGO project manager for Chile site infrastructure. Article trends show strong emphasis on TeV gamma-ray observations (HAWC, SWGO), cosmic ray diffusion mechanisms, dark matter searches, and high-energy astrophysical source characterization (pulsars, microquasars, supernova remnants). He has secured multiple NSF grants for particle astrophysics research and leads detector working groups in international collaborations. Professor Springer actively participates in astronomy outreach, co-developing observatories and implementing computational physics teaching tools with Gradescope auto-graders for enhanced pedagogy. His work bridges experimental high-energy physics, detector development, and multiwavelength astrophysical studies.

Stephen CroftView profile

Professor

• Nuclear Materials Measurement Science
• Radiation Detection
• Nuclear Spectroscopy
• +3 more

Professor Stephen Croft is a faculty member at Lancaster University , affiliated with the School of Engineering . His research focuses on Nuclear Materials Measurement Science , with expertise in radiation detection, neutron interrogation, and X-ray/gamma-ray spectroscopy. Current projects include cosmic ray neutron monitoring , active neutron interrogation of nuclear materials , and radiation damage assessment . His recent publications emphasize semi-empirical modeling of atomic interactions and advanced detection techniques for nuclear applications. He has contributed to understanding vacancy transfer probabilities , X-ray fluorescence cross-sections , and water detection in nuclear environments . His work supports nuclear security, power plant safety, and space weather monitoring. Scientific awards : None explicitly mentioned in the text. Research groups : Involved in Nuclear Space Weather initiatives.

Ying WuView profile

Professor

• Nonlinear Dynamics of Charged Particle Beams
• Coherent Radiation Sources
• Accelerator Physics
• +3 more

Ying Wu is a Professor of Physics at Duke University within the Trinity College of Arts & Sciences . His research focuses on the nonlinear dynamics of charged particle beams , coherent radiation sources , and the development of novel accelerators and light sources using advanced mathematical frameworks like Lie Algebra, Differential Algebra, and Frequency Analysis. His work has significantly enhanced understanding of nonlinear phenomena in light source storage rings and collider rings, with applications in Gamma-ray source development Free-electron laser (FEL) technology Beam stability and diagnostics VUV mirror protection systems Polarization-controlled radiation sources High-reflectivity cavity design Recent publications highlight experimental and theoretical advances in Orbital angular momentum beam generation Photonuclear cross-section measurements Storage ring lattice optimization Multi-color FEL operation Longitudinal beam instability control Differential algebra for particle dynamics Current research programs include collaborations with the High Intensity Gamma-ray Source (HIγS) facility and the Triangle Universities Nuclear Laboratory , with active grants from the Department of Energy (1997–2027), National Institutes of Health (2024–2026), and Ian's Friends Foundation (2024–2025). Ying Wu's laboratory specializes in Free-electron laser cavity design Gamma-ray beam characterization Storage ring diagnostics systems High-current electron beam control Polarization-sensitive detection Next-generation light source development

Carlos Argüelles-DelgadoView profile

Assistant Professor

• Neutrino Physics
• Astroparticle Physics
• High-Energy Astrophysics
• +3 more

Carlos Argüelles-Delgado is an Assistant Professor of Physics at Harvard University's Department of Physics within the Faculty of Arts and Sciences. His research focuses on neutrino physics and astroparticle physics, particularly using data from the IceCube Neutrino Observatory. He explores properties of neutrinos, including potential Beyond Standard Model effects, and contributes to the development of the IceCube-Gen2 upgrade. His work includes analyzing high-energy neutrinos, studying cosmic origins, and advancing detector capabilities. Education: Ph.D. in Physics from the University of Wisconsin at Madison (2015), M.Sc. in Physics from Pontificia Universidad Católica del Perú (2012), and B.Sc. in Physics from the same institution (2008). Research Interests: Neutrino oscillations, dark matter annihilation signatures, sterile neutrinos, and astrophysical neutrino flavor measurements. He develops novel analysis techniques, such as Bayesian methods and Monte Carlo simulations, and collaborates on global neutrino data projects. Awards: 2021 Sloan Research Fellow, 2021 IUPAP Young Scientist Prize, and 2020 IceCube Collaboration Impact Award. His contributions include advancing diversity initiatives and software tools for neutrino data analysis. Teaching: Taught Electricity and Magnetism at Harvard, and previously taught physics at the undergraduate and high school levels. Active in outreach, including mentoring students and organizing workshops like the IceDUNE Workshop (2021). Labs/Teams: Leads analyses in the IceCube Collaboration’s Beyond the Standard Model Working Group and participates in the IceCube-Gen2 project. Collaborates with Janet Conrad’s group at MIT and the Wisconsin IceCube Particle Astrophysics Center.

• Dark Matter
• Particle Astrophysics
• Cosmology
• +2 more

Pearl Sandick is a Professor in the Department of Physics and Astronomy and Interim Dean in the College of Science at the University of Utah. She has previously served as Associate Chair of the Department of Physics and Astronomy and Associate Dean for Faculty and Research in the College of Science. Her academic journey at the University of Utah began in 2011 as an Assistant Professor, progressing to Associate Professor in 2017, and achieving the rank of Professor in 2022. Her educational background includes: BA in Mathematics from New York University (2003) PhD in Physics from the University of Minnesota (2008) Sandick is a theoretical particle physicist whose research focuses on physics beyond the Standard Model, with particular emphasis on dark matter. Her work spans theoretical modeling, connections to astrophysical observations, and implications for experimental detection. She investigates various dark matter candidates and their potential signatures in current and future experiments, including collider searches, direct detection experiments, and indirect detection through astrophysical observations. Her research also extends to connections between particle physics and cosmology, including early universe phenomena and implications for cosmic structure formation. She has developed computational tools like MADHAT for dark matter analysis and has made significant contributions to understanding how stellar evolution can constrain axion physics. Her scholarly contributions have been recognized with several prestigious awards: University of Utah Early Career Teaching Award (2016) University of Utah Distinguished Mentor Award Linda K. Amos Award for Distinguished Service to Women University of Utah Presidential Scholar Sandick has been actively involved in mentoring graduate students, as evidenced by her teaching of PhD thesis research and Master's research courses. She has secured significant research funding from the National Science Foundation and other agencies to support her work on dark matter, dark energy, and new physics. Her grant portfolio includes projects on theoretical particle physics, connections to astrophysical observations, and studies on graduate education reform following a departmental tragedy. She is an active member of the American Physical Society, having served as Chair of the regional Four Corners Section in 2021-2022, demonstrating her commitment to the broader physics community and leadership in her field.

Roxanne P. SpringerView profile

Professor

• Quantum Chromodynamics
• Weak Interactions
• Effective Field Theory
• +4 more

Professor Roxanne P. Springer is a faculty member at Duke University's Department of Physics within Trinity College of Arts & Sciences, specializing in weak interactions and quantum chromodynamics (QCD). Her research explores fundamental symmetry violations and hadronic structure through effective field theories. Education: Ph.D. in Physics from California Institute of Technology (1990) Research Interests: Springers work focuses on hadronic parity violation, large-Nc expansion, and precision nuclear physics. She applies pionless effective field theory (EFT(π/)) to study neutron-deuteron capture, two-nucleon interactions, and neutrinoless double-beta decay. Her projects bridge QCD symmetries with nuclear dynamics. Publication Trends: Recent works emphasize large-Nc scaling, parity-violating observables, and cross-section calculations in nuclear reactions. Key topics include Wigner-SU(4) symmetry, renormalization group constraints, and hadronic structure analysis. Scientific Awards: POWRE Visiting Professorship (1998-1999) Grants: Principal investigator for DOE-funded projects on lattice QCD and effective field theory since 2005. Co-PI for multiple DOE grants on high-energy nuclear physics from 1990-2005. Includes support for strangeness physics and extreme energy density studies. Teaching: Taught graduate courses on quantum mechanics, quantum field theory, and nuclear physics since 2022. Led methods courses for physics research. Advising: Chaired thesis and preliminary committees for students including James Wheeler (2019), Adryanna Major (2020), and Qiaofeng Liu (2021). Mentored graduate students Xincheng Lin, H Nguyen, and Son Nguyen through 2021.

Allen I. MincerView profile

Professor

• Experimental High Energy Particle Physics
• Astrophysics
• Cosmic Ray Physics
• +2 more

Allen Mincer is a Professor of Physics and Collegiate Professor at New York University's College of Arts and Science, Department of Physics. He leads research in experimental high energy particle physics and astrophysics as a member of the NYU Experimental Particle Physics Group, with major contributions to the ATLAS and Milagro collaborations. His educational background includes a Ph.D. from the University of Maryland, College Park (1984) and a B.S. from Brooklyn College (1978). Mincer's research spans particle physics discoveries (top quark, Higgs boson) and cosmic ray astrophysics. He specializes in detector development, data analysis for high-energy collisions, and cosmic ray observations. His work integrates experimental physics with innovative educational approaches, particularly in physics pedagogy. Analysis of his publications (2020-2005) reveals dual research trajectories: LHC-focused studies on Higgs physics, supersymmetry searches, and trigger systems via ATLAS, alongside Milagro-based cosmic ray research mapping TeV emissions and anisotropies in the Galactic plane. His scientific recognition includes: Teach/Tech Award, New York University (2018) Collegiate Professor appointment at NYU (2008) Golden Dozen Teaching Award, NYU (1995, 2000) Mincer mentors undergraduate and graduate researchers while pioneering physics education through flipped classrooms, experimental pedagogy courses, and curriculum development for courses ranging from introductory physics to graduate particle physics. He actively contributes to the NYU Experimental Particle Physics Group, maintaining leadership roles in ATLAS detector operations and Milagro cosmic ray data analysis.

Leandro Milhomens da FonsecaView profile

Researcher

• Nuclear Physics
• Hypernuclei
• Neutron-rich Nuclei
• +4 more

Dr. Leandro Milhomens da Fonseca is a researcher at the Technische Universität Darmstadt, affiliated with the Institute of Nuclear Physics (IKP). His work focuses on nuclear physics, particularly in hypernuclei and neutron-rich nuclei studies. Primary research areas: Nuclear Scattering, Neutron-skin Thickness, Radioactivity, and Gamma-ray Spectrometry. Contributions to detector development, including the Time-of-flight system for R3B experiments. Published extensively on nuclear interaction cross sections and radiation safety in Brazilian building materials. His recent publications highlight expertise in both experimental nuclear physics and environmental radiation assessment. While no formal awards are listed, his involvement in international collaborations like HYDRA/R3B suggests significant contributions to the field.

• Particle Astrophysics
• Gamma-ray Astronomy
• Cosmic Ray Physics
• +3 more

Corbin E. Covault serves as Professor and Chair of the Department of Physics at Case Western Reserve University (CWRU), leading experimental research in particle astrophysics and cosmic ray physics through major international collaborations including the Pierre Auger Observatory and Cherenkov Telescope Array (CTA). B.A., Massachusetts Institute of Technology (1985) Ph.D., Harvard University (1991) Covault's research centers on experimental particle astrophysics with emphasis on ultra-high energy cosmic rays, gamma-ray astronomy, and advanced instrumentation. His group develops photodetection systems, GPS timing solutions, and wireless communications for cosmic ray detectors. Key projects include investigating macroscopic dark matter using Auger fluorescence telescopes, designing a 100+ meter diameter 'flat' telescope for exoplanet detection, and pioneering spectral CT imaging with quantum dot X-ray detectors. His instrumentation work directly impacts next-generation observatories like CTA, where his team deploys silicon photomultiplier camera systems. Analysis of Covault's 15 most recent publications (2016-2019) reveals dominant research trends in cosmic ray mass composition, anisotropy studies, and multi-messenger astrophysics. His work consistently bridges particle physics and astrophysics through ultra-high energy cosmic ray observations, neutrino follow-ups of gravitational wave events, and development of novel detection methodologies. Key thematic areas include hadronic interaction modeling at extreme energies, radio-based cosmic ray detection, and searches for exotic particles like magnetic monopoles. Covault leads the CWRU group in the Pierre Auger Collaboration as a member of its 15-person Technical Board, overseeing instrument performance and data integrity. His group received MRI grant funding for CTA camera development starting August 2018, focusing on GPS timing synchronization and rapid trigger processing. Collaborative projects include spectral CT imaging with Philips and Wayne State University, optical SETI telescope development, and macro dark matter investigations with Glenn Starkman. His laboratory activities center on the Auger and CTA observatories, with instrumentation specialties in photodetection systems, GPS timing networks, and wireless data transfer. The CWRU group maintains active roles in Auger's science analysis teams and CTA's prototype deployment at Mt. Hopkins Observatory, Arizona.

• Medical Physics
• Radiation Therapy
• Medical Imaging
• +7 more

Andrew Fielding is an Associate Professor in the School of Chemistry & Physics at Queensland University of Technology (QUT), Faculty of Science. His research and teaching focus on medical physics, particularly in radiation therapy, medical imaging, and Monte Carlo dosimetry techniques. He is the Course Coordinator for the Graduate Diploma and Master of Applied Science in Medical Physics programs at QUT. He holds a PhD in Physics from the University of Portsmouth and a B.Sc. (Hons) from the University of Surrey. He completed postdoctoral research at the Institute of Cancer Research / Royal Marsden Hospital and the University of Liverpool before joining QUT in 2004. His academic progression includes Lecturer (2004–2008), Senior Lecturer (2008–2022), and Associate Professor (2023–present). His research interests lie in medical imaging, radiation therapy, image-guided radiotherapy, Monte Carlo techniques for dosimetry, and radiation oncology physics. He emphasizes translating research into clinical practice to improve cancer care. His recent publications reflect a strong focus on Monte Carlo simulations, small-field dosimetry, preclinical irradiation, and the integration of AI and simulation in radiotherapy education and treatment verification. His scientific achievements are recognized through professional memberships including Fellow of the Institute of Physics (FInstP), Chartered Physicist (CPhys), and Member of the Australasian College of Physical Scientists and Engineers in Medicine (MACPSEM). Fellow of the Institute of Physics (FInstP) Chartered Physicist (CPhys) Member of the Australasian College of Physical Scientists and Engineers in Medicine (MACPSEM) Andrew Fielding actively supervises PhD and research master’s students in areas such as Monte Carlo dosimetry, tumor motion tracking, and radiotherapy optimization. He has secured competitive research grants, including Australian Competitive Grants for projects on tumor motion monitoring and in-vivo dosimetry verification. His teaching philosophy emphasizes authentic, clinically aligned learning using simulation, virtual reality, and real-world applications. He leads or teaches several core medical physics units, including Radiation Physics, Radiotherapy, Medical Imaging Science, and Research Methodology. He is involved in developing and evaluating innovative tools such as 3D volumetric outlining systems and immersive simulation environments for radiotherapy training. His work bridges physics, clinical application, and education, contributing significantly to the advancement of medical physics both in research and pedagogy.

Spencer N. AxaniView profile

Assistant Professor

• Neutrino Physics
• Particle Astrophysics
• Cosmic Rays
• +3 more

Spencer N. Axani is an Assistant Professor in the Department of Physics and Astronomy at the University of Delaware (UD), associated with the College of Arts & Sciences. He also serves as Associate Director of the Delaware NASA Space Grant. His research focuses on experimental neutrino physics, multi-messenger astrophysics, cosmic rays, and nuclear physics, with particular emphasis on developing particle detector technologies. He earned a Diploma in Power Engineering from Southern Alberta Institute of Technology, followed by a B.Sc. (Honors Physics) from the University of Alberta, and M.Sc. and Ph.D. in Physics from MIT. Prior to UD, he was a Postdoctoral Associate at MIT. Key research areas include neutrino oscillations, cosmic ray anisotropy, and detector development such as the IceCube Neutrino Observatory and the CosmicWatch muon detector project. The CosmicWatch initiative provides low-cost educational muon detectors for students. Axani's work involves collaborations with institutions like the Bartol Research Institute and the American Physical Society (APS). His contributions span theoretical and experimental advancements in particle physics, with publications addressing neutrino emission from astrophysical sources, atmospheric neutrino studies, and neutrino detector technologies. His lab spaces include 303 Sharp Lab (R&D) and 012 Sharp Lab (Scintillator Lab). He actively participates in projects like IceCube, KamLAND-Zen, and NuDot. His research highlights include analyses of cosmic ray anisotropy, constraints on heavy neutral leptons, and multi-messenger observations of blazars.

Ray TrygstadView profile

Professor

• Cyber Security Management
• Information Technology Management
• Cloud Computing
• +6 more

Ray Trygstad is an Industry Professor of Information Technology and Management at the Illinois Institute of Technology (Illinois Tech), holding concurrent roles as Associate Chair and Director of Undergraduate Advising within the Department of Information Technology and Management. He also serves as Interim Associate Director of the Center for Cyber Security and Forensics Education and chairs the Undergraduate Studies Committee. His work spans academic leadership, policy development, and cybersecurity education. Trygstad holds a Ph.D. in Studies from Illinois Tech, a Diploma in Aviation Safety from the Naval Postgraduate School, an M.S. in Systems Management from the University of Denver, and a B.S. from the United States Naval Academy. His professional affiliations include ABET, ACM (SIGITE/SIGUCCS), ISSA, ISACA, and the Chicago Premier CIO Forum. His research focuses on cybersecurity management, policy frameworks, cloud computing, system administration, and open-source technologies, alongside multimedia and information technology governance. Recent work emphasizes integrating cybersecurity into youth education, as seen in his 2018 proposal for a Boy Scouts merit badge. Trygstad has received the 2012 Instructor of the Year award from Illinois Tech and the 1994 Navy Commendation Medal. His advisory roles include overseeing co-terminal degree programs, curriculum development, and accreditation committees. He has managed IT infrastructure across multiple departments and campuses, including the Daniel F. and Ada L. Rice Campus and the IIT Center for Professional Development. He actively contributes to academic governance through leadership in committees such as the National Board of Gamma Nu Eta and the ACM SIGITE Executive Committee. His service extends to roles like Co-Chair of the Women in Cyber Security Conference (WiCyS) and Peer Evaluator for National Cyber Defense Education designations.