中文
相关论文

相关论文: $^{222}$Rn content variations at ground and underg…

200 篇论文

The NEXT-100 detector at the LSC aims at the first competitive search for the \bbnonu decay using a high-pressure \Xe{136} electroluminescent time projection chamber. The first low-background run of NEXT-100 at 3.95 bar has been devoted to…

高能物理 - 实验 · 物理学 2026-04-23 NEXT Collaboration , C. Cortes-Parra , P. Novella , G. Martínez-Lema , H. Almazán , V. Álvarez , L. Arazi , I. J. Arnquist , F. Auria-Luna , S. Ayet , Y. Ayyad , C. D. R. Azevedo , F. Ballester , J. E. Barcelon , M. del Barrio-Torregrosa , J. M. Benlloch-Rodríguez , F. I. G. M. Borges , A. Brodoline , N. Byrnes , A. Castillo , E. Church , M. Cid , X. Cid , C. A. N. Conde , F. P. Cossío , R. Coupe , E. Dey , P. Dietz , C. Echeverria , M. Elorza , R. Esteve , R. Felkai , L. M. P. Fernandes , P. Ferrario , P. Ferrero Mancheño , F. W. Foss , Z. Freixa , J. García-Barrena , J. J. Gómez-Cadenas , J. W. R. Grocott , R. Guenette , J. Hauptman , C. A. O. Henriques , J. A. Hernando Morata , P. Herrero-Gómez , V. Herrero , C. Hervés Carrete , Y. Ifergan , A. F. B. Isabel , B. J. P. Jones , F. Kellerer , L. Larizgoitia , A. Larumbe , P. Lebrun , F. Lopez , N. López-March , R. Madigan , R. D. P. Mano , A. Marauri , A. P. Marques , J. Martín-Albo , A. Martínez , M. Martínez-Vara , R. L. Miller , K. Mistry , J. Molina-Canteras , F. Monrabal , C. M. B. Monteiro , F. J. Mora , K. E. Navarro , D. R. Nygren , E. Oblak , I. Osborne , J. Palacio , B. Palmeiro , A. Para , I. Parmaksiz , A. Pazos , J. Pelegrin , M. Pérez Maneiro , M. Querol , J. Renner , I. Rivilla , C. Rogero , L. Rogers , B. Romeo , C. Romo-Luque , E. Ruiz-Chóliz , P. Saharia , F. P. Santos , J. M. F. dos Santos , M. Seemann , I. Shomroni , A. L. M. Silva , P. A. O. C. Silva , A. Simón , S. R. Soleti , M. Sorel , J. Soto-Oton , J. M. R. Teixeira , S. Teruel-Pardo , J. F. Toledo , C. Tonnelé , S. Torelli , J. Torrent , A. Trettin , P. R. G. Valle , M. Vanga , P. Vázquez Cabaleiro , J. F. C. A. Veloso , J. D. Villamil , L. M. Villar Padruno , J. Waiton , A. Yubero-Navarro

To precisely measure radon concentrations in purified air supplied to the Super-Kamiokande detector as a buffer gas, we have developed a highly sensitive radon detector with an intrinsic background as low as 0.33$\pm$0.07 mBq/m$^{3}$. In…

仪器与探测器 · 物理学 2017-04-25 Y. Nakano , H. Sekiya , S. Tasaka , Y. Takeuchi , R. A. Wendell , M. Matsubara , M. Nakahata

The technique used at the Sudbury Neutrino Observatory (SNO) to measure the concentration of 222Rn in water is described. Water from the SNO detector is passed through a vacuum degasser (in the light water system) or a membrane contact…

核实验 · 物理学 2015-06-26 I. Blevis

The decay of common radioactive gases, such as radon, produces stable isotopes by a sequence of daughter particles with varied half-lives. These daughter particles are a significant source of gamma, neutron, and alpha particle backgrounds…

仪器与探测器 · 物理学 2015-09-02 M. Bruemmer , M. Nakib , R. Calkins , J. Cooley , S. Sekula

Radon and its progeny constitute a major source of background in rare-event physics experiments, such as those searching for dark matter, neutrinos, and neutrinoless double beta decay, due to their origin as unavoidable decay products of…

高能物理 - 实验 · 物理学 2026-02-19 P. Adhikari , M. G. Boulay , R. Crampton , M. Perry , D. Sinclair

Radon background is one of the most critical influences on the ultra-low background and rare-event physical experiments in underground laboratories. To conduct a comprehensive investigation of the radon concentrations in China JinPing…

仪器与探测器 · 物理学 2018-06-19 Cuihong Liu , Hao Ma , Zhi Zeng , Jianping Cheng , Junli Li , Hui Zhang

Radon and its progenies are significant sources of background in rare event detection experiments, including dark matter searches like the PandaX-4T experiment and other rare decay studies such as neutrinoless double beta decay (NLDBD). In…

仪器与探测器 · 物理学 2025-07-02 Yuan Wu , Lin Si , Zhicheng Qian , Youhui Yun , Yue Meng , Jianglai Liu , Zhixing Gao , Hao Wang , Liangyu Wu , Yuanzi Liang

The present author has kept observation for concentrations of atmospheric radon, radon progeny and thoron progeny for several years at the campus of Fukushima Medical University. Accidentally, in the midst of an observation term, i.e.,…

医学物理 · 物理学 2007-05-23 Tsuneo Kobayashi

Radon is one of the most important sources of background in rare event search experiments, such as those searching for Dark Matter and neutrinos, due to its unavoidable production from natural uranium. In low-background experiments, radon…

仪器与探测器 · 物理学 2026-04-29 P. Adhikari , M. G. Boulay , R. Crampton , D. Gallacher , M. Perry

The Jiangmen Underground Neutrino Observatory(JUNO) is a state-of-the-art liquid scintillator-based neutrino physics experiment under construction in South China. To reduce the background from external radioactivities, a water Cherenkov…

仪器与探测器 · 物理学 2024-03-20 T. Y. Guan , Y. P. Zhang , B. Wang , C. Guo , J. C. Liu , Q. Tang , C. G. Yang , C. Li

It is known that neutron background is a big problem for low-background experiments in underground Laboratories. Our global net of en-detectors sensitive to thermal neutrons includes the detectors running both on the surface and at…

地球物理 · 物理学 2016-05-05 Yu. V. Stenkin , V. V. Alekseenko , D. M. Gromushkin , O. B. Shchegolev , V. P. Sulakov

Using high--sensitivity radon (Rn-222) portable detectors (passive electronic devices of the type RADIM3), the airborne Rn-222 concentration in the interior of various Cypriot buildings and dwellings was measured. For each preselected…

医学物理 · 物理学 2007-05-23 T. Anastasiou , H. Tsertos , S. Christofides , G. Christodoulides

The Jiangmen Underground Neutrino Observatory is proposed to determine neutrino mass hierarchy using a 20~ktonne liquid scintillator detector. Strict radio-purity requirements have been put forward for all the components of the detector.…

天体物理仪器与方法 · 物理学 2020-07-15 Lifei Xie , Jinchang Liu , Shoukang Qiu , Cong Guo , Changgen Yang , Quan Tang , Yongpeng Zhang , Peng Zhang

The Jiangmen Underground Neutrino Observatory (JUNO), a 20ktons multi-purpose underground liquid scintillator detector, was proposed with the determination of the neutrino mass hierarchy as a primary physics goal. Due to low background…

仪器与探测器 · 物理学 2018-07-02 C. Guo , Y. P. Zhang , J. C. Liu , C. G. Yang , P. Zhang

The Jiangmen Underground Neutrino Observatory (JUNO), a 20 kton multi-purpose low background liquid scintillator detector, was proposed primarily to determine the neutrino mass ordering. To mitigate radioactivity from surrounding rock and…

仪器与探测器 · 物理学 2025-10-21 C. B. Z. Luo , Q. Tang , C. Guo , B. Wang , J. C. Liu , Y. P. Zhang , L. D. Lv , L. P. Xiang , C. G. Yang , B. Xiao

As an auxiliary system within the calibration system of the Jiangmen Underground Neutrino Observatory, a calibration house is designed to provide interfaces for connecting the central detector and accommodating various calibration…

仪器与探测器 · 物理学 2025-07-15 J. Hui , R. Li , Y. Wu , T. Zhang , Z. Chen , A. Freegard , J. Huang , H. Lai , Y. Liao , J. Liu , Y. Meng , A. Takenaka , Z. Xiang , P. Zhang , Y. Zhang

The radiation emitted from radon is a critical background in rare event search experiments conducted at the Yemi Underground Laboratory (Yemilab) in Jeongseon, Korea. A Radon Reduction System(RRS) has been developed and installed in Yemilab…

Precise radon measurements are a requirement for various applications, ranging from radiation protection over environmental studies to material screening campaigns for rare-event searches. All of them ultimately depend on the availability…

仪器与探测器 · 物理学 2023-01-25 Florian Jörg , Guillaume Eurin , Hardy Simgen

The new EU Council Directive 2013/51/Euratom of 22 October 2013 introduced limits for the content of 222Rn in drinking water. Radon analysis in water requires a lengthy task of collection, storage, transport and subsequent measurement in a…

仪器与探测器 · 物理学 2024-02-09 Santiago Celaya , Ismael Fuente , Luis Quindos , Carlos Sainz

The ARGO-YBJ experiment is a full coverage air shower array; its lowest energy threshold is reached using the "scaler mode technique". Working in this mode, the signals generated by any particle hitting each cluster are put in coincidence…

天体物理仪器与方法 · 物理学 2015-06-03 Elio Giroletti , Irene Bolognino , Claudio Cattaneo , Giuseppe Liguori , Paola Salvini , Piero Vallania , Carlo Vigorito