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Related papers: Testing the Ge detectors for the MAJORANA DEMONSTR…

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Neutrinoless double-beta decay is practically the only way to establish the Majorana nature of the neutrino mass and its decay rate provides a probe of an effective neutrino mass. Double beta experiments are long-running underground…

Nuclear Experiment · Physics 2008-12-08 Oleg Chkvorets

Neutrinoless double beta decay ($0\nu\beta\beta$) offers a sensitive probe of neutrino mass and its Majorana nature. Orthogonal-strip high-purity germanium (HPGe) detectors with high spatial resolution provide a promising approach for…

Instrumentation and Detectors · Physics 2026-03-03 Qiuli Zhang , Wenhan Dai , Peng Zhang , Mingxin Yang , Yang Tian , Zhi Zeng , Yulan Li , Ming Zeng , Hao Ma , Jianping Cheng

The MAJORANA Collaboration has completed construction and is now operating an array of high purity Ge detectors searching for neutrinoless double-beta decay ($0\nu\beta\beta$) in $^{76}$Ge. The array, known as the MAJORANA DEMONSTRATOR, is…

Experiments to search for neutrinoless double-beta (0{\nu}\b{eta}\b{eta}) decay of 76Ge using a high-purity germanium (HPGe) detector rely heavily on background suppression technologies to enhance their sensitivities. In this work, we…

Instrumentation and Detectors · Physics 2023-05-31 Jingzhe Yang , Yang Tian , Wenhan Dai , Mingxin Yang , Lin Jiang , Jinjun Wen , Tao Xue , Ming Zeng , Zhi Zeng , Yulan Li

The GERDA (GERmanium Detector Array) experiment aiming to search for the neutrinoless double beta decay of 76Ge at the Laboratori Nazionali Del Gran Sasso (LNGS), Italy, will operate bare enriched high-purity germanium (HPGe) detectors in…

The characterization of detectors fabricated from home-grown crystals is the most direct way to study crystal properties. We fabricated planar detectors from high-purity germanium (HPGe) crystals grown at the University of South Dakota…

Instrumentation and Detectors · Physics 2018-12-14 W. -Z. Wei , X. -H. Meng , Y. -Y. Yang , J. Liu , G. -J. Wang , H. Mei , G. Gang , D. -M. Mei , C. Zhang

A high efficiency, low background counting setup has been made at TIFR consisting of a special HPGe detector ($\sim$ 70%) surrounded by a low activity copper+lead shield. Detailed measurements are performed with point and extended geometry…

Instrumentation and Detectors · Physics 2014-08-21 N. Dokania , V. Singh , S. Mathimalar , V. Nanal , S. Pal , R. G. Pillay

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…

The performance and scalability of rare-event physics experiments depend on large-volume, detector-grade high-purity germanium (HPGe) crystals with precise control of impurity segregation during growth. We report a detailed study of…

Instrumentation and Detectors · Physics 2025-11-27 S. Chhetri , D. -M. Mei , S. Bhattarai , N. Budhathoki , A. Warren , K. -M. Dong , S. A. Panamaldeniya , A. Prem

The MAJORANA DEMONSTRATOR recently concluded its search for neutrinoless double-beta decay. The experiment operated an array of up to 40.4 kg of germanium detectors, 27 kg of which were isotopically enriched in 76Ge and housed inside a…

Nuclear Experiment · Physics 2024-01-11 David J. Tedeschi

High-purity germanium (HPGe) crystals underpin some of the most sensitive detectors used in fundamental physics and other high-resolution radiation-sensing applications. Despite their importance, the supply of detector-grade HPGe remains…

Applied Physics · Physics 2026-02-04 Athul Prem , Dongming Mei , Sanjay Bhattarai , Narayan Budhathoki , Sunil Chhetri

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

The GERmanium Detector Array, GERDA, will search for neutrinoless double beta decay in 76Ge at the National Gran Sasso Laboratory of the INFN. Bare high-purity germanium detectors enriched in 76Ge will be submerged in liquid argon serving…