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Two types of neutron monitors with fine spatial resolution are proposed based on vibrating wire. In the first type, neutrons interact with the vibrating wire, heat it, and lead to the change of natural frequency, which can be precisely…

Instrumentation and Detectors · Physics 2015-12-09 S. G. Arutunian , J. Bergoz , M. Chung , G. S. Harutyunyan , E. G. Lazareva

Using a setup for testing a prototype for a satellite-borne cosmic-ray ion detector, we have operated a stack of scintillator and silicon detectors on top of the Princess Sirindhorn Neutron Monitor (PSNM), an NM64 detector at 2560-m…

Neutrino radiography may provide an alternative tool to study the very deep structures of the Earth. Though these measurements are unable to resolve the fine density layer features, nevertheless the information which can be obtained are…

Earth and Planetary Astrophysics · Physics 2009-07-09 E. Borriello , G. Mangano , A. Marotta , G. Miele , P. Migliozzi , C. A. Moura , S. Pastor , O. Pisanti , P. Strolin

We calculate the neutrino yield from collisions of cosmic ray (CR) nuclei on gas using the event generator QGSJET-II. We present first the general characteristics and numerical results for the neutrino yield assuming power-law fluxes for…

High Energy Astrophysical Phenomena · Physics 2014-10-29 M. Kachelriess , S. Ostapchenko

This paper reviews improved calibration methods for the Lunar Reconnaissance Orbiter Lunar Exploration Neutron Detector. We cross calibrated the set of LEND observations and models of its detectors physical geometry and composition against…

Earth and Planetary Astrophysics · Physics 2021-04-13 J. J. Su , T. P. McClanahan , A. M. Parsons , R. Sagdeev , W. V. Boynton , G. Chin , T. A. Livengood , R. D. Starr , D. Hamara

In this work is obtained new approximation for the yield function Y for cosmic ray induced ionization in the Earth atmosphere on the basis of simulated data. The parameterization is obtained using inverse nonlinear problem solution with…

Space Physics · Physics 2011-11-10 L. Alexandrov , A. Mishev

Fast neutrons from cosmic-ray muons are an important background to underground low energy experiments. The estimate of such background is often hampered by the difficulty of measuring and calculating neutron production with sufficient…

High Energy Physics - Experiment · Physics 2009-11-07 Y-F. Wang , V. Balic , G. Gratta , A. Fasso' , S. Roesler , A. Ferrari

In the frame of the comprehensive knowledge, detection and forecasting of the solar terrestrial relations as well as space weather events, the ground based measurements of the network of neutron monitor constitutes a vital tool for these…

Space Physics · Physics 2016-12-28 H. Mavromichalaki , M. Gerontidou , P. Paschalis , E. Paouris

The cosmogenic neutron yield $Y_n$ characterizes the matter ability to produce neutrons under the effect of cosmic ray muons with spectrum and average energy corresponding to an observation depth. The yield is the basic characteristic of…

Nuclear Theory · Physics 2017-07-19 Alexey Malgin

Cosmic rays are charged particles whose flux observed at Earth shows temporal variations related to space weather phenomena and may be an important tool to study them. The cosmic ray intensity recorded with ground-based detectors also shows…

``Mountains'', or non-axisymmetrical deformations in the elastic crust of rotating neutron stars are efficient radiators of continuous gravitational waves. Recently, small anisotropies were observed in the solid innermost inner core of the…

General Relativity and Quantum Cosmology · Physics 2024-09-24 J. A. Morales , C. J. Horowitz

LLR measures the distance between observatories on Earth and retro-reflectors on Moon since 1969. In this paper, we estimate the Earth Rotation Parameters (ERP; terrestrial pole offsets, $x_p$ and $y_p$, and Earth rotation phase,…

Geophysics · Physics 2022-12-20 Vishwa Vijay Singh , Liliane Biskupek , Jürgen Müller , Mingyue Zhang

With the ever increasing beam power at particle accelerator-based facilities for nuclear and particle physics, radioactive isotope production, and nuclear engineering, targets that can withstand this power, and shielding of secondary…

High Energy Physics - Experiment · Physics 2026-01-05 Adriana Bungau , Jose Alonso , Roger Barlow , Larry Bartozsek , Janet Conrad , Michael Shaevitz , Joshua Spitz , Daniel Winklehner

Air radon concentration measurement is useful for research on geophysical effects, but it is strongly sensitive to site geology and many geophysical and microclimatic processes such as wind, ventilation, air humidity and so on that induce…

The Centrifugal Mirror Fusion Experiment (CMFX) at the University of Maryland, College Park is a rotating mirror device that utilizes a central cathode to generate a radial electric field which induces a strongly sheared azimuthal $E\times…

Nuclear recoil backgrounds are one of the most dangerous backgrounds for many dark matter experiments. A primary source of nuclear recoils is radiogenic neutrons produced in the detector material itself. These neutrons result from fission…

Instrumentation and Detectors · Physics 2017-11-15 S. Westerdale , P. D. Meyers

Cosmic Ray Neutron Sensing (CRNS) is a powerful technique that allows non-invasive monitoring of soil moisture on length scales well matched for agricultural applications. One factor limiting the use of the technique within industrial…

Instrumentation and Detectors · Physics 2021-12-15 J. P. Stowell , S. J. Fargher , C. A. Steer , L. F. Thompson

We investigate the capabilities of upcoming kiloton-scale neutrino detectors, such as Hyper-Kamiokande, in determining the primary cosmic ray spectrum. These detectors provide full-sky coverage and long-term monitoring, unlike traditional…

High Energy Physics - Phenomenology · Physics 2025-05-16 Stephan A. Meighen-Berger , Jayden L. Newstead , Louis E. Strigari

We develop a method for predicting the yield of transiting planets from a photometric survey given the parameters of the survey (nights observed, bandpass, exposure time, telescope aperture, locations of the target fields, observational…

Astrophysics · Physics 2009-11-13 Thomas G. Beatty , B. Scott Gaudi

Cosmic ray measurements have inspired numerous interesting applications over several decades worldwide. These applications encompass non-invasive cosmic ray muon tomography, which enables the imaging of concealed dense objects or…

High Energy Astrophysical Phenomena · Physics 2024-11-06 Olesya Sarajlic , Xiaochun He