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The gamma to neutron ratio is measured via Pulse Shape Discrimination (PSD) of a Plutonium Beryllium (PuBe) source and of a rudimentary constructed Polonium Beryllium (PoBe) source using one organic liquid scintillator detector and digital…

Nuclear Experiment · Physics 2021-11-05 Sebastian Ritter

The gamma-ray tracking technique is one of the highly efficient detection method in experimental nuclear structure physics. On the basis of this method, two gamma-ray tracking arrays, AGATA in Europe and GRETA in the USA, are currently…

Instrumentation and Detectors · Physics 2013-01-17 Serkan Akkoyun , Nihat Yildiz

Low capacitance, large volume, high purity germanium (HPGe) radiation detectors have been successfully employed in low-background physics experiments. However, some physical processes may not be detectable with existing detectors whose…

Instrumentation and Detectors · Physics 2015-12-18 Paul Barton , Mark Amman , Ryan Martin , Kai Vetter

High-purity germanium (HPGe) detectors used for low-background gamma ray spectrometry are usually operated under either a fairly low overburden of the order of one meter of water equivalent (mw.e.) or a high overburden of the order of…

Following work done in the energy region above 100 keV, the high-precision calibration of a co-axial high-purity germanium detector has been continued in the energy region below 100 keV. Previous measurements or Monte-Carlo simulations have…

Instrumentation and Detectors · Physics 2020-04-08 B. Blank , P. Ascher , M. Gerbaux , J. Giovinazzo , S. Grevy , T. Kurtukian Nieto , M. Versteegen , J. C. Thomas

A high-purity co-axial germanium detector has been calibrated in efficiency to a precision of about 0.15% over a wide energy range. High-precision scans of the detector crystal and gamma-ray source measurements have been compared to…

Gamma rays and neutrons, emitted following spontaneous fission of 252Cf, were measured in an AGATA experiment performed at INFN Laboratori Nazionali di Legnaro in Italy. The setup consisted of four AGATA triple cluster detectors (12 36-fold…

The performance of germanium detectors for high-energy $\gamma$-rays was evaluated using a 992-keV resonance in the $^{27}$Al(p, $\gamma$)$^{27}$Si reaction. The measurement was conducted at the RIKEN tandem accelerator. The energy of the…

In this study, the germanium detector assembly, installed at the Accurate Neutron-Nuclear Reaction measurement Instruments (ANNRI) in the Material and Life Science Facility (MLF) operated by the Japan Proton Accelerator Research Complex…

Neutrinoless double-beta decay of nuclei represents one of the most promising methods for uncovering physics beyond the Standard Model. In this context, $^{76}$Ge stands out as a particularly attractive candidate, as it can serve as an…

The performance of a 630g commercial broad energy germanium (BEGe) detector has been systematically investigated. Energy resolution, linearity, stability vs. high-voltage (HV) bias, thickness and uniformity of dead layers have been measured…

Instrumentation and Detectors · Physics 2015-03-17 M. Agostini , E. Bellotti , R. Brugnera , C. M. Cattadori , A. D'Andragora , A. di Vacri , A. Garfagnini , M. Laubenstein , L. Pandola , C. A. Ur

A study on cosmogenic activation in germanium was carried out to evaluate the cosmogenic background level of natural and $^{70}$Ge depleted germanium detectors. The production rates of long-lived radionuclides were calculated with Geant4…

Instrumentation and Detectors · Physics 2018-10-23 J. L. Ma , Q. Yue , S. T. Lin , H. T. Wong , J. W. Hu , L. P. Jia , H. Jiang , J. Li , S. K. Liu , Z. Z. Liu , H. Ma , W. Y. Tang , Y. Tian , L. Wang , Q. Wang , L. T. Yang , Z. Zeng

Gallium solar neutrino experiments have historically used radiochemical counting to determine the event rate. A detector which directly measures the ejected electron and de-excitation gamma could reduce background counting rates by way of a…

High Energy Physics - Experiment · Physics 2024-11-27 Jonathan Folkerts , Nick Solomey , Brooks Hartsock , Tyler Nolan , Octavio Pacheco , Gregory Pawloski

We describe a new high-purity germanium (HPGe) detector setup for low-background {\gamma}-ray spectrometry. The GeMSE facility (Germanium Material and meteorite Screening Experiment) is dedicated to material screening for rare event…

Instrumentation and Detectors · Physics 2017-01-06 M. v. Sivers , B. A. Hofmann , Å. V. Rosén , M. Schumann

Background: Neutron-induced backgrounds are a significant concern for experiments that require extremely low levels of radioactive backgrounds such as direct dark matter searches and neutrinoless double-beta decay experiments. Unmeasured…

The Advanced Molybdenum-based Rare process Experiment in its second phase (AMoRE-II) will search for neutrinoless double-beta (0{\nu}\b{eta}\b{eta}) decay of 100Mo in 200 kg of molybdate crystals. To achieve the zero-background level in the…

Instrumentation and Detectors · Physics 2021-02-03 S. Y. Park , K. I. Hahn , W. G. Kang , V. Kazalov , G. W. Kim , Y. D. Kim , E. K. Lee , M. H. Lee , D. S. Leonard

Searches for new physics push experiments to look for increasingly rare interactions. As a result, detectors require increasing sensitivity and specificity, and materials must be screened for naturally occurring, background-producing…

Instrumentation and Detectors · Physics 2021-02-03 D. S. Leonard , I. S. Hahn , W. G. Kang , V. Kazalov , G. W. Kim , Y. D. Kim , E. K. Lee , M. H. Lee , S. Y. Park , E. Sala

We report on the study of the intensities of several gamma lines emitted after the inelastic scattering of neutrons in $^{56}$Fe. Neutrons were produced by cosmic muons passing the 20t massive iron cube placed at the Earth's surface and…

Nuclear Experiment · Physics 2013-03-13 M. Krmar , N. Jovančević , D. Nikolić

In this paper a new type of passive neutron detector based on the already existing one, CR39, is described. Its operation was verified by three different neutron sources: an Americium-Beryllium (Am241-Be) source; a TRIGA type nuclear…

General Physics · Physics 2013-02-26 Fabio Cardone , Giovanni Cherubini , Walter Perconti , Andrea Petrucci , Alberto Rosada

A 994g mass p-type PCGe detector was deployed by the first phase of the China Dark matter EXperiment aiming at the direct searches of light weakly interacting massive particles. Measuring the thickness of the dead layer of a p-type…

Instrumentation and Detectors · Physics 2016-10-25 H. Jiang , Q. Yue , Y. L. Li , K. J. Kang , Y. J. Li , J. Li , S. T. Lin , S. K. Liu , H. Ma , J. L. Ma , J. Su , H. T. Wong , L. T. Yang , W. Zhao , Z. Zeng