1. Radiation Measurements An Option Within Nuclear Engineering and Radiological Sciences

2. Measurements Faculty Research Areas Faculty and Staff:  G. Knoll – Rad Measurements  R. Fleming – Neutrons and statistics  D. Wehe – Imaging systems  Z. He – Room-temperature semiconductors  S. Pozzi – Simulation & measurements of SNM detection systems  M. Flaska – Detectors for nuclear material  S. Clarke – Monte Carlo simulations  M. Hammig – Solid-state & nano detectors  K. Kearfott – Health physics  A. Bielajew – Medical physics  M. Flynn – Health radiation physics  N. Clinthorne – UM radiology  M. Goodsitt – UM medical school  R. Weiner – SNM transport risk Areas of Activity:  Neutron and gamma ray detector design  Measurements of atomic and nuclear parameters  Methods development for detector systems  Neutron activation analysis  Radiation imaging systems  Nondestructive assay of nuclear materials;  Active interrogation and passive detection techniques for homeland security  Basic physics  Radiation safety and health physics  Environmental impact of nuclear fuel cycles  Radiation dose estimation, from external sources and internal radionuclides  Radiation transportation risk assessment 2

3.  Security  Nonproliferation; Nuclear safeguards  Homeland Security  Astrophysics  Medicine  CT, PET, SPECT, Operative Probes  Diagnostics/Treatment  Energy Production  Fission  Fusion  Geological exploration  High Energy Physics Experiments  Materials Science Application Areas 3

4.  Detector Design  GaAs Solid State Radiation Detectors  RT Semiconductor Detectors [HgI2, CZT...]  Microstrip Gas Detector  Wavelength shifters for BaF Spectral Separation  Solid state photomultipliers  Fundamental Physics  Physics of Nuclear Fission  Fast Neutron TOF Measurements  Absolute Scintillation Yield of CsI  Detector Systems Methods Development  Online detector gain stabilization  Digital Pulse Processing Techniques  Neutron Depth Profiling  Mechanical Detection of Radiation  Neutron Activation Analysis  Spectral Shape-Independent NAA  Real-time Neutron Radiography  Reference Neutron Field Irradiation Facility  Radiation Imaging Systems  Single Compton Scattering Camera  Multiple Compton Scattering Camera Reconstruction  Two-Dimensional Activation Imaging System  Micro-CT  Mechanically Collimated Imagers  Hybrid Imaging Camera  Rotational Modulation Imaging  Nuclear Nonproliferation  Response Matrix Method for Simulating Neutron Pulse Height Distribution Measurements  Time-Correlated Pulse Height Analysis for Nuclear Material Identification  Design of a Multiplicity Counter based on Organic Scintillators  Neutron Spectroscopy via Spectrum Unfolding with Deuterated Scintillators PhD Projects Past and Present 4

5. Measurements Courses  Core Courses  NERS 311/2: Atomic and Nuclear Physics  NERS 425: Applied Nuclear Radiation Laboratory  NERS 481/580: Engineering Aspects of Radiation Imaging  NERS 515: Nuclear Measurements Laboratory  NERS 518: Advanced Radiation Measurements  NERS 535: Detection Techniques for Nuclear Nonproliferation  NERS 590: Monte Carlo Methods  NERS 590: Nuclear Safeguards  Popular Courses  EECS 456: Digital Signal Processing  EECS 516: Medical Imaging Systems  Courses Relevant to Particular Research Areas  EECS 423: Solid State Device Laboratory  NERS 576: Charged Particle Accelerators  EIH 694/695: Radiation Dosimetry/Biology  NERS 425: Applied Nuclear Radiation  NERS 554: Radiation Shielding Design 5

6. Detection for Nuclear Nonproliferation Group Professor Sara Pozzi, Assistant Research Scientists Dr. Marek Flaska and Dr. Shaun Clarke Established in November 2007. Currently 30 members: 4 research staff, 14 PhD students, 3 masters students, undergraduate students.  Diversified research portfolio  Development of new methods for nuclear material identification and characterization  Neutron detector development  Neutron and gamma-ray imaging  International measurement campaigns  Monte Carlo code development  Unfolding algorithms for inverse problems Recognition: Student Awards  8 Students on Fellowships: Nuclear Forensics, Nuclear Nonproliferation Graduate Fellowships  “Best Student Paper” awards at the Institute of Nuclear Materials Management Central Chapter meeting in 2009 and IEEE Nuclear Science Symposium 2009  “Best Student Paper” awards at the Institute of Nuclear Materials Management Annual Meetings in 2007, 2009 2012. Nuclear material measurements in Ispra, Italy August 2008, June 2010, and May 2011 Capture-gated detector measurements Geel, Belgium - October 2008 6

7. Radiation Measurements Group Prof. David Wehe  Research areas  Applied radiation measurement systems  Radiation imaging systems 7

8. Room Temperature Semiconductor Group Prof. Zhong He  Goal: develop advanced radiation sensors, in particular, gamma-ray and neutron spectrometers and imaging systems  Theme: single-polarity charge sensing and 3-dimensional position- sensing using semiconductor gamma-ray spectrometers  Applications: nuclear nonproliferation and arms control, homeland security, medical imaging, cancer diagnosis, and gamma-ray astronomy 8

9. Radiation Detector and Science Laboratory Dr. Mark Hammig Research Focus: 1)Fundamental detector physics 2)Application of Advanced Gamma-ray Imagers 3)Novel solid-state detectors 4)Photonic devices Geehyun Kim Nano-semiconductors Manhee Jeong Semiconductor Fab Lab Guru 9

10. Radiological Health Engineering Laboratory Prof. Kim Kearfoot  Major research projects:  Development of personal dosimeters  Radon gas detection  Environmental radiation measurements  Internal radiation dose assessment 10