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Related papers: AGATA: Gamma-ray tracking in segmented HPGe detect…

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Detectors for gamma-ray astronomy are complex: they often comprise multiple sub-systems and utilize new and/or custom-developed detector components and readout electronics. Gamma rays are typically not detected directly: ground-based…

Instrumentation and Methods for Astrophysics · Physics 2023-04-05 Eric A. Charles , Henrike Fleischhack , Clio Sleator

A new type of radiation detector, a p-type modified electrode germanium diode, is presented. The prototype displays, for the first time, a combination of features (mass, energy threshold and background expectation) required for a…

Nuclear Experiment · Physics 2011-05-12 P. S. Barbeau , J. I. Collar , O. Tench

A software package for modeling segmented High-Purity Segmented Germanium detectors, AGATAGeFEM, is presented. The choices made for geometry implementation and the calculations of the electric and weighting fields are discussed. Models used…

Instrumentation and Detectors · Physics 2021-07-07 J. Ljungvall

Pulse shape analysis of germanium gamma-ray spectrometer signals can yield information on the radial position of individual gamma-ray interactions within the germanium crystal. A parametric pulse shape analysis based on calculation of…

Nuclear Experiment · Physics 2007-05-23 John L. Orrell , Craig E. Aalseth , Matthew W. Cooper , Jeremy D. Kephart , Carolyn E. Seifert

The performance of the Advanced GAmma Tracking Array (AGATA) at GANIL is discussed, on the basis of the analysis of source and in-beam data taken with up to 30 segmented crystals. Data processing is described in detail. The performance of…

In an ideal germanium detector, fully-absorbed monoenergetic gamma-rays will appear in the measured spectrum as a narrow peak, broadened into a Gaussian of width determined only by the statistical properties of charge cloud generation and…

Instrumentation and Methods for Astrophysics · Physics 2023-08-03 Steven E. Boggs , Sean N. Pike

A fast method to determine the crystallographic axes of segmented true-coaxial high-purity germanium detectors is presented. It is based on the analysis of segment-occupancy patterns obtained by irradiation with radioactive sources. The…

Nuclear Experiment · Physics 2012-03-27 I. Abt , A. Caldwell , J. Liu , B. Majorovits , P. Petrov , O. Volynets

A new generation of high-resolution hypernuclear gamma$-spectroscopy experiments with high-purity germanium detectors (HPGe) are presently designed at the FINUDA spectrometer at DAPhiNE, the Frascati phi-factory, and at PANDA, the…

Searches of new physics beyond the Standard Model (SM) performed at low energy frontiers are complementary to experiments carried out at high energy colliders. Among the methods for testing the SM and beyond at low energies are the…

Instrumentation and Detectors · Physics 2018-10-08 D. Rozpedzik , K. Bodek , K. Lojek , M. Perkowski , L. De Keukeleere , L. Hayen , N. Severijns , A. Kozela

$P$-type high-purity germanium (HPGe) detectors are widely used across many scientific domains, and current data analysis methods have served well in many use cases. However, applications like low-background experiments that search for rare…

Instrumentation and Detectors · Physics 2026-03-10 P. Zhang , W. Dai , Q. Zhang , F. Hagemann , O. Schulz , C. Alvarez-Garcia , L. Yang , Q. Yue , Z. Zeng , J. Cheng , H. Ma

A novel design for an inexpensive depth of interaction capable detector for gamma rays, suitable for nuclear medical applications, especially Positron Emission Tomography, has been developed. The design takes advantage of the strong…

Medical Physics · Physics 2009-09-29 Christoph W. Lerche

A new approach to study the response of portable gamma detector to terrestrial gamma ray is proposed. This approach is based on two-stage Monte Carlo simulation. First, the probability distributions of the phase space coordinates of the…

Instrumentation and Detectors · Physics 2015-06-09 Boubaker Askri

A study of signals originating near the lithium-diffused n+ contact of p-type point contact (PPC) high purity germanium detectors (HPGe) is presented. The transition region between the active germanium and the fully dead layer of the n+…

The next generation of radioactive ion beam facilities, which will give experimental access to many exotic nuclei, are presently being developed. These facilities will make it possible to study very short lived exotic nuclei with extreme…

Instrumentation and Detectors · Physics 2009-05-14 Pär-Anders Söderström

We study the prospects for detecting gamma-rays from decaying Dark Matter (DM), focusing in particular on gravitino DM in R-parity breaking vacua. Given the substantially different angular distribution of the predicted gamma-ray signal with…

Astrophysics · Physics 2009-01-06 Gianfranco Bertone , Wilfried Buchmuller , Laura Covi , Alejandro Ibarra

Semiconductor detector fabrication technologies developed decades ago are widely employed today to produce gamma-ray detectors from large volume, single crystals of high purity Ge (HPGe). Most all of these detectors are used exclusively for…

Instrumentation and Detectors · Physics 2018-09-17 Mark Amman

We present the Agile REconstruction Method (AREM) for gamma-ray (30 MeV - 50 GeV) direction reconstruction applicable to high-resolution Silicon Tracker detectors in space. It can be used in a "fast mode", independently of Kalman filters…

Astrophysics · Physics 2011-07-19 Carlotta Pittori , Marco Tavani

Modern coaxial and planar HPGe detectors allow a precise determination of the energies and trajectories of the impinging gamma-rays. This entails the location of the gamma interactions inside the crystal from the shape of the delivered…

Data Analysis, Statistics and Probability · Physics 2009-08-25 P. Desesquelles , T. M. H. Ha , K. Hauschild , A. Korichi , F. Le Blanc , A. Lopez-Martens , A. Olariu , C. M. Petrache

High Purity germanium point-contact detectors have low energy thresholds and excellent energy resolution over a wide energy range, and are thus widely used in nuclear and particle physics. In rare event searches, such as neutrinoless double…

Instrumentation and Detectors · Physics 2019-02-20 S. Mertens , A. Hegai , D. C. Radford , N. Abgrall , Y. -D. Chan , R. D. Martin , A. W. P. Poon , C. Schmitt

Nuclear security operations and forensic investigations require the utilization of a suite of instruments ranging from passive gamma spectrometers to high-precision laboratory sample analyzers. Gamma spectroscopy survey is further broken…

Instrumentation and Detectors · Physics 2026-02-03 L. E. Sinclair , P. R. B. Saull , A. McCann , A. M. L. MacLeod , N. J. Murtha , A. El-Jaby , G. Jonkmans