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Tomographic imaging with radionuclides commonly used in nuclear medicine, such as $^{111}$In (171 and 245 keV) and $^{131}$I (364 keV), is in high demand for medical applications and small animal imaging. The Si/CdTe Compton camera with its…

A compact, portable and large field-of-view gamma camera to identify, locate and quantify gamma-ray emitting radioisotopes in real-time has been developed. The device delivers spectroscopic and imaging capabilities, which allow one to use…

In this work, we report on the advantageous aspects of the i-TED Compton imager for proton-range monitoring, based on the results of the first Monte Carlo study of its applicability to this field. i-TED is an array of Compton cameras, that…

Dismantling nuclear power plants entails the production of a large amount of contaminated (or potentially contaminated) material whose disposal is of crucial importance. Most of the end products have to be stored in special repositories but…

Data Analysis, Statistics and Probability · Physics 2021-07-07 Michele Pastena , Bastian Weinhorst , Günter Kanisch , Edgar Perez Lezama , Johannes Ratdke , Tim Thomas

This paper overviews certain radiation detection, perception, and planning challenges for nuclearized robotics that aim to support the waste management and decommissioning mission. To enable the autonomous monitoring, inspection and…

This paper explores the use of cosmic ray muons to image the contents of shielded containers and detect high-Z special nuclear materials inside them. Cosmic ray muons are a naturally occurring form of radiation, are highly penetrating and…

Instrumentation and Detectors · Physics 2012-10-09 G. Jonkmans , V. N. P. Anghel , C. Jewett , M. Thompson

Compton cameras are radiation detectors that provide spatial information on the origin of the {\gamma}-ray sources based on the Compton scattering effect. Many applications require these detectors to be used at high counting rate. As such,…

Tomographic imaging techniques using the Coulomb scattering of cosmic-ray muons have been shown previously to successfully identify and characterise low- and high-Z materials within an air matrix using a prototype scintillating-fibre…

High Purity Germanium (HPGe) detectors have been golden standard for gamma spectrometry in Low level radioactive waste (LLW) analysis; however, their notable shortcoming is prolonged measurement durations for weak radioactive waste…

Instrumentation and Detectors · Physics 2025-08-05 Yanfeng Xie , Yiming Weng , Soo Hyun Byun

A future mission in medium-energy gamma-ray astrophysics would allow for many scientific advancements, e.g. a possible explanation for the excess positron emission from the Galactic Center, a better understanding of nucleosynthesis and…

Instrumentation and Methods for Astrophysics · Physics 2018-06-20 Michelle Galloway , Andreas Zoglauer , Steven E. Boggs , Mark Amman

Nuclear physics experiments are always in need of more and more advanced detection systems. During the last years relevant technological developments have come out with many improvements in terms of performance and compactness of detector…

Instrumentation and Detectors · Physics 2021-01-26 Paolo Finocchiaro

We present a novel approach to localizing radioactive material by cooperating Micro Aerial Vehicles (MAVs). Our approach utilizes a state-of-the-art single-detector Compton camera as a highly sensitive, yet miniature detector of ionizing…

The article is devoted to a further study of the Compton camera method of passive detection of small amounts of special nuclear materials, developed by the authors in their previous work. Various cargo scenarios, detector errors, and other…

Instrumentation and Detectors · Physics 2013-09-25 A. Olson , A. Ciabatti , Y. Hristova , P. Kuchment , J. Ragusa , W. Charlton , M. Allmaras

To detect and track structural changes in atomic nuclei, the systematic study of nuclear levels with firm spin-parity assignments is important. While linear polarization measurements have been applied to determine the electromagnetic…

Instrumentation and Methods for Astrophysics · Physics 2024-02-17 S. Go , Y. Tsuzuki , H. Yoneda , Y. Ichikawa , T. Ikeda , N. Imai , K. Imamura , M. Niikura , D. Nishimura , R. Mizuno , S. Takeda , H. Ueno , S. Watanabe , T. Y. Saito , S. Shimoura , S. Sugawara , A. Takamine , T. Takahashi

Our study introduces innovative methods to address waste reduction and enhance resource efficiency in nuclear cleanup processes. We focus on sustainable nuclear technology, aligning with goals for cleaner production and environmental…

Instrumentation and Detectors · Physics 2025-02-19 Victor V. Golovko

Modern PET systems reach a spatial resolution of 3-10 mm. A disadvantage of this technique is the diffusion of the positron before its decay with a typical range of ca. 1 mm (depending on its energy). This motion and Compton scattering of…

Instrumentation and Detectors · Physics 2012-02-03 C. Lang , D. Habs , P. G. Thirolf , A. Zoglauer

Proton computed tomography (pCT) is a novel medical imaging modality for mapping the distribution of proton relative stopping power (RSP) in medical objects of interest. Compared to conventional X-ray computed tomography, where range…

We present extensive simulation studies on the performance of algorithms for the Compton sequence reconstruction used for the development of a portable spectroscopic instrument (COCAE), with the capability to localize and identify…

Nuclear Experiment · Physics 2015-03-17 K. Karafasoulis , K. Zachariadou , C. Potiriadis , S. Seferlis , I. Kaissas , D. Loukas , C. Lambropoulos

i-TED consists of both a total energy detector and a Compton camera primarily intended for the measurement of neutron capture cross sections by means of the simultaneous combination of neutron time-of-flight (TOF) and $\gamma$-ray imaging…

Instrumentation and Detectors · Physics 2020-02-24 V. Babiano , J. Balibrea , L. Caballero , D. Calvo , I. Ladarescu , J. Lerendegui , S. Mira Prats , C. Domingo-Pardo

GN-Vision is a novel dual $\gamma$-ray and neutron imaging system, which aims at simultaneously obtaining information about the spatial origin of $\gamma$-ray and neutron sources. The proposed device is based on two position sensitive…

Instrumentation and Detectors · Physics 2024-10-18 J. Lerendegui Marco , V. Babiano-Suárez , J. Balibrea-Correa , L. Caballero , D. Calvo , I. Ladarescu , C. Domingo-Pardo
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