نتایج جستجو برای: electron spectrometer
تعداد نتایج: 327383 فیلتر نتایج به سال:
Reflection-time-of-flight spectrometer for two-electron (e,2e) coincidence spectroscopy on surfaces.
In this article, a novel time-of-flight spectrometer for two-electron-emission (e,2egamma,2e) correlation spectroscopy from surfaces at low electron energies is presented. The spectrometer consists of electron optics that collect emitted electrons over a solid angle of approximately 1 sr and focus them onto a multichannel plate using a reflection technique. The flight time of an electron with k...
The ionization region of the ToF mass spectrometer having the WileyMcLaren geometry was further enlarged on the basis of the Milani–de Heer criteria. The enlarging limits the use of the spectrometer to small cluster range as a result of mass resolution decrease at great deal amount. However the spectrometer is promising for the electron-cluster interaction studies. Key wordsEnlarged ionization ...
We present a new experimental setup to study electron-electron coincidences from superconducting surfaces. In our approach, electrons emitted from a surface are projected onto a time- and position-sensitive microchannel plate detector with delayline position readout. Electrons that are emitted within 2 π solid angle with respect to the surface are detected in coincidence. The detector used is a...
Electron scattering on stable target nuclei has been the most reliable tool to study nuclear structure. This tool will be available for the investigation of exotic nuclei at the electron-ion collider ELISe at FAIR. The ELISe facility is based on the colliding storage rings EAR and NESR for electrons and ions, respectively. The main instrument of ELISe will be an electron spectrometer that accep...
The design of an angular array electron time-of-flight (eToF) spectrometers is reported, intended for non-invasive spectral, temporal, and polarization characterization single shots high-repetition rate, quasi-continuous, short-wavelength free-electron lasers (FELs) such as the LCLS II at SLAC. This also enables angle-resolved, high-resolution eToF spectroscopy to address a variety scientific q...
An all-magnetic monochromator/spectrometer system for sub-30 meV energy-resolution electron energy-loss spectroscopy in the scanning transmission electron microscope is described. It will link the energy being selected by the monochromator to the energy being analysed by the spectrometer, without resorting to decelerating the electron beam. This will allow it to attain spectral energy stability...
We describe a beta electron spectrometer for use in an upcoming experiment that will measure the beta-antineutrino correlation coefficient (a coefficient) in neutron beta decay. Electron energy is measured by a thick plastic scintillator detector. A conical array of plastic scintillator veto detectors is used to suppress events where the electron backscattered. A Monte Carlo simulation of this ...
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