搜索结果: 1-15 共查到“理学 cross section”相关记录64条 . 查询时间(0.122 秒)
中国地质大学科学技术发展院陈孝君(博士研究生),姚光庆* 等, 资源学院/构造与油气资源教育部重点实验室 JGR-Solid Earth, 2019, Capillary Pressure Curve Determination Based on a 2‐D Cross‐Section Analysis Via Fractal Geometry: A Bridge Between 2‐D and 3‐D Pore Structure of Porous Media（图）
二维；多孔介质；三维；输运机理
2021/10/20
近日，国际地球物理Nature Index期刊《Journal of Geophysical Research: Solid Earth》刊出了中国地质大学关于多孔介质二维和三维之间输运机理方面的最新研究成果：基于分形几何的二维截面分析确定毛细管压力曲线：多孔介质的二维和三维孔隙结构之间的桥梁(Capillary Pressure Curve Determination Based on a 2-...
Interpretative modelling of a geological cross section from boreholes: sources of uncertainty and their quantification
Geology geological section tertiary London clay
2015/1/6
We conducted a designed experiment to quantify sources of uncertainty in geologists' interpretations of a geological cross section. A group of 28 geologists participated in the experiment. Each interp...
A Measurement of the W/Z Cross Section Ratio as a Function of Hadronic Activity with the ATLAS Detector
ATLAS electroweak bosons lepton+jets pqcd w/z ratio
2014/11/20
Hadronic collisions at the LHC at CERN probe particle interactions at the highest energy scale of any experiment to date. We present a research program measuring Rjet = &sigmaWBR(W&rarr&mu&nu) / (&sig...
Spin-dependent part of $\bar{p}d$ interaction cross section and Nijmegen potential
interaction cross section Nijmegen potential
2011/7/21
Low energy $\bar{p}d$ interaction is considered taking into account the polarization of both particles. The corresponding cross sections are obtained using the Nijmegen nucleon-antinucleon optical pot...
Effect of isospin dependent cross-section on elliptic flow in heavy-ion collision at intermediate energies
heavy-ion collision cross-section isospin dependent
2011/7/20
We study the elliptical flow of fragment in heavy-ion collisions for different systems at incident energies between 40 and 1200 MeV/nucleon using an isospin-dependent quantum molecular dynamics model....
Assessment of hydrocarbon electron-impact ionization cross section measurements for magnetic fusion
electron-impact ionization cross section magnetic fusion
2011/9/9
Partial ionization cross section experiments have been carried out recently at the University of Innsbruck for three types of hydrocarbons, i.e. acetylene, ethylene and propene. Cross section data ts...
Top-quark pair cross-section measurement in the lepton+jets channel
Top-quark pair cross-section measurement lepton+jets channel
2011/9/14
ps =7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider (LHC). Events are selected in the lepton+jets topology by requiring a single lepton (electron or muon), ...
An upper bound on the total inelastic cross-section as a function of the total cross-section
the total inelastic cross-section function the total cross-section
2010/12/24
Recently Andr\'e Martin has proved a rigorous upper bound on the inelastic cross-section $\sigma_{inel}$ at high energy which is one-fourth of the known Froissart-Martin-Lukaszuk upper bound on $\sig...
The nn quasi-free nd breakup cross section: discrepancies to theory and implications on the 1S0 nn force
nn quasi-free nd breakup cross section discrepancies theory implications
2011/1/6
Large discrepancies between quasi-free neutron-neutron (nn) cross section data from neutron-deuteron (nd) breakup and theoretical predictions based on standard nucleon-nucleon (NN) and three-nucleon (...
A comparative study of the neutrino-nucleon cross section at ultra high energies
comparative study neutrino-nucleon cross section
2010/11/16
The high energy neutrino cross section is a crucial ingredient in the calculation of the event rate in high energy neutrino telescopes. Currently there are several approaches which predict different b...
Uniqueness on the Class of Odd-Dimensional Starlike Obstacles with Cross Section Data
Odd-Dimensional Starlike Obstacles Cross Section Data
2010/11/18
We determine the uniqueness on starlike obstacles by using the cross section data. We see cross section data as spectral measure in polar coordinate at far field. Cross section scattering data suffic...
Electron-atom bremsstrahlung: double differential cross section and polarization correlations
Electron-atom bremsstrahlung double differential cross section polarization correlations
2010/11/16
The leading-order electron-atom bremsstrahlung is investigated within the rigorous relativistic approach based on the partial-wave representation of the Dirac wave functions in the external atomic fi...
Flavor-dependent azimuthal modulations in unpolarized SIDIS cross section at HERMES
Flavor-dependent azimuthal modulations unpolarized SIDIS section
2011/1/4
The cos h and cos 2 h azimuthal modulations of the unpolarized hadron Semi-Inclusive Deep Inelastic Scattering cross section are sensitive to the quark intrinsic transverse momentum and transverse sp...
Ultracold Atoms as a Target: Absolute Scattering Cross-Section Measurements
Ultracold Atoms Target Scattering Cross-Section Measurements
2010/11/12
We report on a new experimental platform for the measurement of absolute scattering cross-sections. The target atoms are trapped in an optical dipole trap and are exposed to an incident particle beam...
A comparative study of the neutrino-nucleon cross section at ultra high energies
neutrino-nucleon cross section ultra high energies
2011/1/5
The high energy neutrino cross section is a crucial ingredient in the calculation of the event rate in high energy neutrino telescopes.