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Experiments looking for rare events like the direct detection of dark matter particles, neutrino interactions or the nuclear double beta decay are operated deep underground to suppress the effect of cosmic rays. But the production of…

Nuclear Experiment · Physics 2017-08-25 Susana Cebrian

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

The rare event search experiments using germanium detectors are performed in the underground laboratories to prevent cosmic rays. However, the cosmogenic activation of the cupreous detector components on the ground will generate long…

Instrumentation and Detectors · Physics 2021-12-08 Ze She , Zhi Zeng , Hao Ma , Qian Yue , Mingkun Jing , Jianping Cheng , Junli Li , Hui Zhang

Rare event search experiments using germanium detectors are operated in underground laboratories to minimize the background induced by cosmic rays. However, the cosmogenic activation in germanium crystals on the ground during fabrication…

Instrumentation and Detectors · Physics 2024-03-08 Qiyuan Nie , Zhi Zeng , Hao Ma , Litao Yang , Qian Yue , Jianping Cheng

Rare event search experiments using liquid xenon as target and detection medium require ultra-low background levels to fully exploit their physics potential. Cosmic ray induced activation of the detector components and, even more…

Instrumentation and Methods for Astrophysics · Physics 2016-12-02 Laura Baudis , Alexander Kish , Francesco Piastra , Marc Schumann

The radioactive decay from long-lived radioactive isotopes produced by cosmogenic activation can be an important background in direct-detection dark matter and neutrino experiments. In general, activation of materials located above ground…

Production of $^{60}$Co and $^{68}$Ge from stable isotopes of Germanium by nuclear active component of cosmic rays is a principal background source for a new generation of $^{76}$Ge double beta decay experiments like GERDA and Majorana. The…

Nuclear Experiment · Physics 2008-11-26 I. Barabanov , S. Belogurov , L. Bezrukov , A. Denisov , V. Kornoukhov , N. Sobolevsky

We revisit calculations of the cosmogenic production rates for several long-lived isotopes that are potential sources of background in searching for rare physics processes such as the detection of dark matter and neutrinoless double-beta…

Nuclear Experiment · Physics 2014-11-18 D. -M. Mei , Z. -B. Yin , S. R. Elliott

We evaluate the cosmogenic production rates in some materials that are commonly used as targets and shielding/supporting components for detecting rare events. The results from Geant4 simulations are compared with the calculations of ACTIVIA…

Instrumentation and Detectors · Physics 2016-09-21 C. Zhang , D. -M. Mei , V. A. Kudryavtsev , S. Fiorucci

The activation of materials due to exposure to cosmic rays may become an important background source for experiments investigating rare event phenomena. DarkSide-20k, currently under construction at the Laboratori Nazionali del Gran Sasso,…

Instrumentation and Methods for Astrophysics · Physics 2023-07-26 20k Collaboration

130Te is one of the candidates for the search for neutrinoless double beta decay. It is currently planned to be used in two experiments: CUORE and SNO+. In the CUORE experiment TeO2 crystals cooled at cryogenic temperatures will be used. In…

Instrumentation and Detectors · Physics 2014-11-24 V. Lozza , J. Petzoldt

The production of long-lived radioactive isotopes due to the exposure to cosmic rays on the Earth's surface is an hazard for experiments searching for rare events like the direct detection of galactic dark matter particles. The use of large…

Instrumentation and Methods for Astrophysics · Physics 2024-02-06 S. Cebrian

The cosmogenic production of long-lived isotopes such as $^{3}$H,$^{55}$Fe, $^{60}$Co, $^{65}$Zn, and $^{68}$Ge poses a significant challenge as a source of background events in Ge-based dark matter (DM) and neutrinoless double-beta decay…

Instrumentation and Detectors · Physics 2024-09-17 Dongming Mei

The current situation in double beta decay experiments , the characteristics of modern detectors and the possibility of increasing the sensitivity to neutrino mass in future experiments are discussed. The issue of the production and use of…

Nuclear Experiment · Physics 2018-04-18 A. S. Barabash

We report a comprehensive study of cosmogenic activation of germanium used for tonne-scale rare event search experiments. The germanium exposure to cosmic rays on the Earth's surface are simulated with and without a shielding container…

Nuclear Experiment · Physics 2017-11-08 W. -Z. Wei , D. -M. Mei , C. Zhang

We perform simulation study for a 10-kg $^{100}$Mo-based bolometeric demonstration experiment for neutrinoless double-beta decay ($0\nu\beta\beta$) search at China JinPing underground Laboratory (CJPL). Cosmogenic production of…

Instrumentation and Detectors · Physics 2022-07-06 W. Chen , L. Ma , J. H. Chen , H. Z. Huang , Y. G. Ma

The design task of creating an efficient radiation shield for the new COBRA double-beta decay experiment led to a comprehensive study of commercially available shielding materials. The aim was to find the most efficient combination of…

Nuclear Experiment · Physics 2010-12-13 D. Y Stewart , P. F. Harrison , B. Morgan , Y. A. Ramachers

Nuclear double-beta decays are a unique probe to search for new physics beyond the Standard Model. Still-unknown particles, non-standard interactions, or the violation of fundamental symmetries would affect the decay kinematic, creating…

High Energy Physics - Experiment · Physics 2024-04-25 E. Bossio , M. Agostini

A large experimental program is being mounted to search for neutrinoless double-beta decay over the next decade. Multiple experiments using different target isotopes are being prepared to explore the whole parameter space allowed for…

High Energy Physics - Phenomenology · Physics 2023-03-22 Matteo Agostini , Frank F. Deppisch , Graham Van Goffrier
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