搜索结果: 1-15 共查到“物理学 section”相关记录54条 . 查询时间(0.205 秒)
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....
Measurement of the gas-flow reduction factor of the KATRIN DPS2-F differential pumping section
gas flow RGA residual gas analyzer vacuum measurement free molecular flow turbo-molecular gas flow RGA residual gas analyzer vacuum measurement free molecular flow turbo-molecular
2011/8/1
Abstract: We determined the gas-flow reduction factor of the second forward Differential Pumping Section (DPS2-F) for the KATRIN experiment using a dedicated vacuum-measurement setup and by detailed m...
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 (...
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...
Further Argument Against the Motion of the Earth, Based on Telescopic Observations of the Stars: An English Rendition of Chapter 30, Book 9, Section 4, Pages 460-463 of the Almagestum Novum Volume II of G. B. Riccioli
Further Argument Against Physics
2010/11/16
The Italian Jesuit astronomer Giovanni Battista (Giambattista) Riccioli constructed a powerful, thoroughly scientific argument in favor of geocentrism - an argument based on telescopic observations o...
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.
Measurement of the energy dependence of the total photon-proton cross section at HERA
Measurement energy dependence total photon-proton
2011/1/4
The energy dependence of the photon-proton total cross section, σγp tot , was determinedfrom e+p scattering data collected with the ZEUS detector at HERA at three values of the center-of-mass energy, ...
Giovanni Battista Riccioli's Seventy-Seven Arguments Against the Motion of the Earth: An English Rendition of Almagestum Novum Part II, Book 9, Section 4, Chapter 34, Pages 472-7
Giovanni Battista Riccioli's Seventy-Seven Arguments Almagestum Novum
2010/11/17
In 1651 the Italian Jesuit Giovanni Battista Riccioli (1598-1671) published in his encyclopedic work on astronomy, the Almagestum Novum, 77 arguments against the Copernican movement of the Earth. The...