搜索结果: 16-30 共查到“中子物理学 neutron”相关记录54条 . 查询时间(0.156 秒)
Structure and spatial distribution of Ge nanocrystals subjected to fast neutron irradiation
Structure spatial distribution fast neutron irradiation
2010/11/23
The influence of fast neutron irradiation on the structure and spatial distribution of Ge nanocrystals (NC) embedded in an amorphous SiO2 matrix has been studied. The investigation was conducted by me...
We report results of fully non-perturbative calculations, based on Auxiliary Field Quan-tum Monte Carlo (AFQMC) approach, for the dilute neutron matter at the density = 0.003 fm−3. Fundamental...
Phase stability and structural temperature dependence in sodium niobate: A high resolution powder neutron diffraction study
Phase stability structural temperature dependence high resolution powder neutron diffraction
2010/11/24
We report investigation of structural phase transitions in technologically important material sodium niobate as a function of temperature on heating over 300-1075 K. Our high resolution powder neutron...
Phase transition to the state with nonzero average helicity in dense neutron matter
Phase transition state with nonzero average helicity dense neutron matter
2011/1/6
The possibility of the appearance of the states with a nonzero average helicity in neutron matter is studied in the model with the Skyrme effective interaction. By providing the analysis of the selfco...
Energy release from hadron-quark phase transition in neutron stars and the axial $w$-mode of gravitational waves
Energy release hadron-quark phase transition neutron stars axial $w$-mode of gravitational waves
2011/1/7
Describing the hyperonic and quark phases of neutron stars with an isospin- and momentum-
dependent effective interaction for the baryon octet and the MIT bag model, respectively, and using the Gibbs...
Rapid Cooling of the Neutron Star in Cassiopeia A Triggered by Neutron Superfluidity in Dense Matter
Rapid Cooling of the Neutron Star Cassiopeia Neutron Superfluidity
2011/1/10
We propose that the recently observed cooling of the neutron star in Cassiopeia A is due to
enhanced neutrino emission from the onset of the breaking and formation of neutron Cooper pairs
in the 3P2...
Richardson-Gaudin Algebras and the Exact Solutions of the Proton-Neutron Pairing
Richardson-Gaudin Algebras Proton-Neutron Pairing
2011/1/7
Many exactly solvable models are based on Lie algebras. The pair- ing interaction is important in nuclear physics and its exact solution for identical particles in non-degenerate single-particle level...
Pairing gap energy correction in Shell model for the neutron-rich tin isotopes
132Sn region Oxbash code Effective interaction
2010/7/8
The region in the vicinity of 132Sn, gathering numerous isotopes of important masses, shows lots of interestsm for explaining the most interesting phenomena. It offers among others the possibility to ...
Multi-modal analysis for low energy neutron-induced fission of 235U
235U (n, f) multi-model prompt neutron fragment property
2009/12/24
Low energy neutron induced fission of 235U is studied in the framework of the multi-modal fission model. The fission fragment properties, such as the yields, the average total kinetic energy distribut...
Proposal for muon and white neutron sources at CSNS
high power proton beam pulsed muon source white neutron source muon science nuclear data measurements
2009/12/24
The China Spallation Neutron Source (CSNS) is a large scientific facility with the main purpose of serving multidisciplinary research on material characterization using neutron scattering techniques...
The possibility to detect fast neutrons with a multi-gap resistive plate chamber (MRPC) has been investigated. To detect fast neutrons, a thin polyethylene layer is coated on the surface of electrode ...
A new beam asymmetry measurement from pion photoproduction on the neutron using CLAS
beam asymmetry photonuclear photoproduction neutron pion
2009/11/24
We present a preliminary analysis of the photon beam asymmetry observable
(Σ) from the photoproduction reaction channel γn→pπ－ in the invariant mass range 1.6—2.3 GeV. The measurement was obtained us...
Monte Carlo simulation of the property of a scintillation bar in the multi-neutron correlation spectrometer
neutron wall Monte Carlo simulation neutron halo
2009/9/17
To perform a kinematically complete measurement of the dissociation reaction for neutron-rich nuclei, a multi-neutron correlation spectrometer is proposed at Peking University. A Monte Carlo simulatio...
Study of neutron response for two hybrid RPC setups using the GEANT4 MC simulation approach
resistive plate chambers neutron sensitivity GEANT4 Monte Carlo simulation
2009/9/17
The present article describes a detailed neutron simulation study in the energy range 10－10 MeV to 1.0 GeV for two different RPC configurations. The simulation studies were taken by using the GEANT4 ...
Study of neutron response for two hybrid RPC setups using GEANT4 MC simulation approach
resistive plate chambers neutron sensitivity GEANT4 Monte Carlo simulation
2009/9/9
The present article describes a detailed neutron simulation study in the energy range 1010 MeV
to 1.0 GeV for two di erent RPC con gurations. The simulation studies were taken by using the ...