搜索结果: 1-15 共查到“电子物理学 Study”相关记录24条 . 查询时间(0.328 秒)
Under so-called primitive ontology approaches, in fully describing the history of a quantum system, one thereby attributes interesting properties to regions of spacetime. Primitive ontology approaches...
First-principles study of structural, electronic and elastic properties of Nb4AlC3
MAX phases Ab initio Structural properties Electronic properties Elastic properties Pressure effect
2010/6/30
Using First-principles calculations, we have studied the structural, electronic and elastic properties of Nb4AlC3, a new compound belonging to the MAX phases. Geometrical optimization of the unit cell...
Experimental study on the performance of a single-THGEM gas detector
gas electron multipliers hole multiplier effective gain energy resolution
2009/12/24
A kind of thick GEM-like gaseous electron multiplier (THGEM), which is mechanically an expansion of the GEM with its various dimensions being enlarged, is studied. The leak current of THGEM plates is...
HOM study and parameter calculation of the TESLA cavity model
TESLA 9-cell cavity superconducting proton linac higher order modes HFSS scripts
2009/12/24
The Superconducting Proton Linac (SPL) is the project for a superconducting, high current H- accelerator at CERN. To find dangerous higher order modes (HOMs) in the SPL superconducting cavities, simul...
Three dimensional study of harmonic operation at the Shanghai deep ultraviolet free electron laser
harmonic operation linear harmonic superradiant
2009/12/24
With the right choice of parameters in the free electron laser (FEL) scheme, the undulator can be primarily operated at high order harmonic modes and the harmonic radiation is expected to be significa...
A simulation study on the measurement of D0-D0 mixing parameter y at BESⅢ
likelihood electron identification D0-D0 mixing mixing parameter y
2009/8/17
We established a method on measuring the D0-D0 mixing parameter y for BESⅢ experiment at the BEPCⅡ e+e－ collider. In this method, the doubly tagged π(3770) →D0-D0 events, with one D decays to CP-eigen...
Design and experimental study of a two-dimensional position sensitive X-ray detector
Garfield simulation X-ray detector MWPC
2009/8/14
A prototype of a two-dimensional position sensitive X-ray detector was designed and constructed for small angle X-ray scattering experiments at BSFR (Beijing Synchrotron Radiation Facility). The dete...
Preliminary study of residual orbit oscillation in BEPCⅡ
local orbit bump residual orbit oscillation Librea Electron BPM processor turn-by-turn
2009/8/14
BEPCII has two rings each with an injection system. The injection system of each ring consists of two kicker magnets and a septum magnet. The injection layout of two rings is the same. Both two kicker...
Study of multipacting effect in superconducting cavity
multipacting superconducting cavity FishPact geometry enhanced counter function
2009/8/14
A number of superconducting cavities of axis-symmetric geometry have been considered to study the effect in order toachieve the desired performance. It is shown that the multipacting effect is strongl...
Study of readout and cross-talks for multi-strip RPC with PSpice simulation
RPC PSpice readout CT
2009/8/14
An electrical model for multi-strip resistive plate chamber (RPC) is presented, and a comparison between simulation results and test data is carried on. Based on the model, the influences of the RPC's...
Study of the background in the experiments of inner-shell ionization of atoms by positron impact
positron atomic ionization by positron impact Monte Carlo simulation
2009/8/14
One of main difficulties in the experiments of inner-shell ionization of atoms by positron impact near threshold energy region is the relatively high low-energy background, which is caused by the depo...
Study on the RF performance of 2-cell superconducting cavity
2-cell superconducting cavity HOM loss factor interaction
2009/8/14
The physical design of the 2-cell superconducting cavity is presented. The RF parameters of the cavity and HOMs (high order modes) are reported. In this paper, we put the emphasis on the analysis of t...
Spectroscopic study of precipitates formed during removal of selenium from mine drainage spiked with selenate using permeable reactive materials
selenium X-ray photoelectron spectroscopy zero valence iron permeable reactive barrier anaerobic condition
2017/8/10
The potential for Se removal from mine drainage water using permeable reactive materials was evaluated by a laboratory column experiment. The column materials, organic carbon and zero valence iron (ZV...
Study of Topological Structure of Vacuum by Lattice QCD
overlap fermions improved 5Li cooling
topological charge structure of the vacuum instanton liquid model
2007/8/15
2007Vol.47No.3pp.535-538DOI:
Study of Topological Structure of Vacuum by Lattice QCD
WANG Zi-Qing,1 LÜ Xiao-Fu,1,3,4 and WANG Fan2
1 Department of Physics, Sichuan...
Study of Vacuum Structure by Low-Lying Eigenmodes
of Overlap-Dirac Operator
APE smearing overlap-Dirac operator structures of vacuum instanton liquid model
2007/8/15
2006Vol.46No.3pp.521-526DOI:
Study of Vacuum Structure by Low-Lying Eigenmodes
of Overlap-Dirac Operator
WANG Zi-Qing,1 LÜ Xiao-Fu,1,3,4 and WANG Fan2
1 Department ...