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Shielding Experiments Under JASMIN Collaboration at Fermilab(III) - Measurement of High-Energy Neutrons Penetrating a Thick Iron Shield from the Antiproton Production Target by AU Activation Method
JASMIN Collaboration High-Energy Neutrons Thick Iron AU Activation Method
2012/5/17
In an antiproton production (Pbar) target station of the Fermi National Accelerator Laboratory (FNAL), the secondary particles produced by bombarding a target with 120-GeV protons are shielded by a th...
Observation of thundercloud-related gamma rays and neutrons in Tibet
Observation of thundercloud-related gamma rays neutrons Tibet Geophysics
2012/4/24
During the 2010 rainy season in Yangbajing (4300 m above sea level) in Tibet, China, a long-duration count enhancement associated with thunderclouds was detected by a solar neutron telescope and neutr...
On the equilibrium of self-gravitating neutrons, protons and electrons in β-equilibrium
equilibrium self-gravitating neutrons protons electrons β-equilibrium
2011/10/9
We have recently proved the impossibility of imposing the condition of local charge neutrality in a self-gravitating system of degenerate neutrons, protons and electrons in $\beta$-equilibrium. The co...
The self-consistent general relativistic solution for a system of degenerate neutrons, protons and electrons in beta-equilibrium
Neutron Star Electrodynamics General Relativistic Thomas-Fermi treatment
2011/7/21
We present the self-consistent treatment of the simplest, nontrivial, self-gravitating system of degenerate neutrons, protons and electrons in $\beta$-equilibrium within relativistic quantum statistic...
Atomic fragments from the nuclear reaction of the ${}^{6}$Li atom with slow neutrons
Atomic fragments the nuclear reaction Li atom slow neutrons
2011/8/5
Abstract: Approximate probabilities of formation of various atoms and ions in different bound states are determined for the exothermic nuclear $(n,{}^{6}$Li$;t,{}^{4}$He)-reaction of atomic lithium-6 ...
New Aspects of Geometric Phases in Experiments with polarized Neutrons
polarized Neutrons Clauser-Horne-Shimony-Holt
2010/3/10
Geometric phase phenomena in single neutrons have been observed in polarimeter and interferometer experiments. Interacting with static and time dependent magnetic fields, the state vectors acquire a g...
The distribution of the count rate of neutrons (per second) near the Earth’s surface for two directions: towards the Earth and away from it, is studied using the experimental data, obtained in Moscow ...
Configuration of the valence neutrons of 17B
valence neutron root-mean-square radius s-wave spectroscopic factor
2009/8/17
The reaction cross section of 17B on 12C target at (43.7±2.4)MeV/u has been measured at the Radioactive Ion Beam Line in Lanzhou (RIBLL). The root-mean-square matter radius (Rrms) was deduced to be (2...
Proposal for measuring the quantum states of neutrons in the gravitational field with a CCD-based pixel sensor
neutron quantumstate gravitational field CCD
2010/4/12
An experimental setup is proposed for the precise measurement of the quantum states of ultracold neutrons bound in the earth's gravitational field. The experiment utilizes a CCD-based pixel sensor and...
December 21, 2006，Neutrons -- the tiny particles that match with protons to form the innards of nearly every atom in the universe -- decay when left to fend for themselves outside an atomic nucleus. F...
Ultra Cold Neutrons: Determination of the Electric Dipole Moment and Gravitational Corrections Via Matter Wave Interferometry
Ultra Cold Neutrons the Electric Dipole Moment and Gravitational Corrections Matter Wave Interferometry
2010/10/14
We propose experiments using ultra cold neutrons which can be used to determine the electric dipole moment of the neutron itself, a well as to test corrections to gravity as they are foreseen by strin...
Evaluation of the Fluence to Dose Conversion Coefficients for High Energy Neutrons Using a Voxel Phantom Coupled with the GEANT4 Code
Dose Conversion Coefficients High Energy Neutrons a Voxel Phantom the GEANT4 Code
2010/10/15
Crews working on present-day jet aircraft are a large occupationally exposed group with a relatively high average effective dose from galactic cosmic radiation. Crews of future high-speed commercial f...
Development of a CCD-Based Image Acquiring System for Neutrons at the Argonauta Reactor
a CCD-Based Image Acquiring System Neutrons the Argonauta Reactor
2010/10/15
A thermal neutron image acquiring system is being developed at the Instituto de Engenharia Nuclear-IEN (CNEN). This system would be capable to perform non-destructive assays after 2D images acquired o...
Use of Thermal Neutrons to Perform Analyses in Body Organs of Small Sized Animals
Thermal Neutrons Body Organs Small Sized Animals
2010/10/25
The absolute neutron activation analysis (ANAA) technique was used for the determination of some elements on body organs, such as, kidney, heart, muscles and spleen of small-sized animals used on expe...
Comparison of Tomografhic Systems for X-Ray and Thermal Neutrons
Tomografhic Systems X-Ray Thermal Neutrons
2010/10/28
In this work, tomographic images of the same object have been taken with 25 keV X-rays and thermal neutrons
(E=0.025 eV) aiming to demonstrate that thermal neutron tomography in some cases is a compl...