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Related papers: $^{222}$Rn content variations at ground and underg…

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Low-background liquid xenon detectors are utilized in the investigation of rare events, including dark matter and neutrinoless double beta decay. For their calibration, gaseous $^{220}$Rn can be used. After being introduced into the xenon,…

Instrumentation and Detectors · Physics 2023-11-15 Florian Jörg , Shengchao Li , Jochen Schreiner , Hardy Simgen , Rafael F. Lang

We provide a comprehensive study of the cosmic-ray muon flux and induced activity as a function of overburden along with a convenient parameterization of the salient fluxes and differential distributions for a suite of underground…

Astrophysics · Physics 2009-11-13 D. -M. Mei , A. Hime

The Radiation Monitor (RADOM) payload is a miniature dosimeter-spectrometer onboard Chandrayaan-1 mission for monitoring the local radiation environment in near-Earth space and in lunar space. RADOM measured the total absorbed dose and…

Earth and Planetary Astrophysics · Physics 2017-08-02 S. V. Vadawale , J. N. Goswami , T. P. Dachev , B. T. Tomov , V. Girish

Antineutrinos from nuclear reactors have the potential to be used for reactor monitoring in the mid- to far-field under certain conditions. Antineutrinos are an unshieldable signal and carry information about the reactor core and the…

Instrumentation and Detectors · Physics 2024-10-02 Steve T. Wilson , Chris Cotsford , James Armitage , Niamh Holland , Matthew Malek , John. G. Learned

Several experiments have been conducted in the YangYang Underground Laboratory in the Republic of Korea such as the search for dark matter and the search for neutrinoless double-beta decay, which require an extremely low background event…

Nuclear Experiment · Physics 2021-02-16 Young Soo Yoon , Jungho Kim , Hyeonseo Park

(abridged) We describe highlights of the results of two observing campaigns in 2004 to investigate the correlation of flare activity in Sgr A* in different wavelength regimes, using a total of nine ground and space-based telescopes. We…

The global influence of AGN-driven outflows remains uncertain, due to a lack of large samples with accurately-determined outflow properties. In the second paper of this series, we determine the mass and energetics of ionized outflows is 234…

Astrophysics of Galaxies · Physics 2019-04-24 Dalya Baron , Hagai Netzer

One of the possible ways to maintain the micrometer spatial resolution while performing ion beam analysis in the air is to increase the energy of ions. In order to explore capabilities and limitations of this approach, we have tested a…

Instrumentation and Detectors · Physics 2019-03-13 Milko Jakšić , Davit Chokheli , Stjepko Fazinić , Veljko Grilj , Natko Skukan , Ivan Sudić , Tonči Tadić , Tome Antičić

The amount of radioactive impurities contaminated in the detector gases is required to be kept at a very low level for rare event particle physics such as dark matter and neutrino observation experiments. Zeolite is a well-known class of…

Instrumentation and Detectors · Physics 2023-11-27 Hiroshi Ogawa , Kenta Iyoki , Minoru Matsukura , Toru Wakihara , Ko Abe , Kentaro Miuchi , Saori Umehara

Low energy, low rate experiments, such as searches for neutrinoless double beta decay and dark matter, require unprecedentedly low levels of background in order to deliver their full science potential. $^{210}$Po driven, neutron induced…

Nuclear Experiment · Physics 2023-07-10 D. Chernyak , J. Howell , D. Majumdar , N. Mukherjee , O. Nusair , A. Piepke

We propose that reactor experiments could be used to constrain the environment dependence of neutrino mass and mixing parameters, which could be induced due to an acceleron coupling to matter fields. There are several short-baseline reactor…

High Energy Physics - Phenomenology · Physics 2009-11-11 Thomas Schwetz , Walter Winter

Some Active Galactic Nuclei (AGN) host outflows which have the potential to alter the host galaxy's evolution (AGN feedback). These outflows have been linked to enhanced radio emission. Here we investigate the connection between…

We present mid-IR interferometric observations of 6 type 1 AGNs at multiple baseline lengths of 27--130m, reaching high angular resolutions up to lambda/B~0.02 arcseconds. For two of the targets, we have simultaneous near-IR interferometric…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Makoto Kishimoto , Sebastian F. Hoenig , Robert Antonucci , Florentin Millour , Konrad R. W. Tristram , Gerd Weigelt

The radioactive noble gas $^{222}$Rn, which can be dissolved in water, is an important background source for JUNO. In this paper, based on the water system of JUNO prototype, two kinds of high sensitivity radon detectors have been proposed…

Instrumentation and Detectors · Physics 2017-12-15 Y. P. Zhang , J. C. Liu , C. Guo , Y. B. Huang , Z. Y. Yu , C. Xu , M. Y. Guan , C. G. Yang , P. Zhang

Using a sample of 2922 z<0.2, spectroscopically-identified Active Galactic Nuclei (AGN) we explore the relationship between radio size and the prevalence of extreme ionised outflows, as traced using broad [O III] emission-line profiles in…

Astrophysics of Galaxies · Physics 2019-11-06 S. J. Molyneux , C. M. Harrison , M. E. Jarvis

The nanoconfinement of water can result in dramatic differences in its physical and chemical properties compared to bulk water. However, a detailed molecular-level understanding of these properties is still lacking. Vibrational…

Materials Science · Physics 2023-08-21 Rui Hou , Chu Li , Ding Pan

The Radar Echo Telescope for Cosmic Rays (RET-CR) is a recently initiated experiment designed to detect the englacial cascade of a cosmic-ray initiated air shower via in-ice radar, toward the goal of a full-scale, next-generation experiment…

Ambient radiation background contributed by the penetrating cosmic ray particles and the radionuclides present in the rock materials have been measured at an underground laboratory located inside a mine at 555 m depth. The laboratory is…

Instrumentation and Methods for Astrophysics · Physics 2022-03-14 Sayan Ghosh , Shubham Dutta , Naba Kumar Mondal , Satyajit Saha

$^{37}$Ar is a promising candidate for complementing radioxenon isotopes as indicators of underground nuclear explosions. This study evaluates its potential anthropogenic background caused by emissions from commercial pressurised water…

Instrumentation and Detectors · Physics 2020-06-05 Gerald Kirchner , Franziska Gerfen , Anna Heise , Timo Schlüschen

A systematic study of the indoor airborne radon concentration in the central part of the Nicosia district was conducted, using high-sensitivity active radon portable detectors of the type "RADIM3A". From a total of 108 measurements in 54…

Geophysics · Physics 2012-06-27 G. Theodoulou , H. Tsertos , Y. Parpottas