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electron beam energy measurement

Electron density measurement under the influence of auroral precipitation and electron beam injection during the DELTA campaign

Electron density measurement under the influence of auroral precipitation and electron beam injection during the DELTA campaign

... Due to the precipitation of auroral electrons and ions, the polar ionosphere has been recognized as a complex medium of plasmas and neutral gasses in terms of energetics, phys- ical and chemical processes. In this ...

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Improvement of Beam Energy Measurement System for BES III

Improvement of Beam Energy Measurement System for BES III

... The beam energy measurement system is significant and profit for both BES-III de- tector and BEPC-II ...high energy scattering photons is realized by virtue of the Compton backscattering ...of ...

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Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons

Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons

... The electron trajectory and wakefield accelerator is optimised on the 1 st LANEX target to produce a low divergence beam with a good shot-to-shot pointing ...optimised beam with a divergence of ...

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A measurement of the electron neutrino component of the T2K beam using the near detector

A measurement of the electron neutrino component of the T2K beam using the near detector

... with energy and momentum conservation in beta ...the electron as the only outgoing particle. However, the measured energy distribution of the decay electron was inconsistent with the ...

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Measurement of the intrinsic electron neutrino component in the T2K neutrino beam with the ND280 detector

Measurement of the intrinsic electron neutrino component in the T2K neutrino beam with the ND280 detector

... proton beam and the propagation of secondary particles in the carbon target are simulated with FLUKA ...proton beam of the same energy as the T2K beam interacts with a thin carbon target (2 cm ...

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Layer or Strip Resistance Measurement by Electron Beam Induced Current Technique in a Scanning Electron Microscope

Layer or Strip Resistance Measurement by Electron Beam Induced Current Technique in a Scanning Electron Microscope

... EBIC technique is based on the electric scheme as shown in Fig. 1. Overlayers covering the structure (oxide, metal- lization) are not shown for all schematic drawings. An ohmic contact at the structure top is marked as ...

5

Observation of laser power amplification in a self injecting laser wakefield accelerator

Observation of laser power amplification in a self injecting laser wakefield accelerator

... laser energy fraction, b) pulse duration (FWHM) and c) peak pulse power and maximum observed electron beam energy (red cir- cles), against plasma ...and measurement errors) of a moving ...

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Observation of inhibited electron ion coupling in strongly heated graphite

Observation of inhibited electron ion coupling in strongly heated graphite

... | Measurement of the proton beam and corresponding electron temperature at t5100 ...proton beam. (b) Proton energy spectrum taken from the centre of the proton beam and plotted ...

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Direct Measurement of Medical Linear Accelerator Electron Beam Width at Scattering Foil Position

Direct Measurement of Medical Linear Accelerator Electron Beam Width at Scattering Foil Position

... of electron beam width and distribution at the scattering foil on the carrousel in a medical linear accelerator gantry head, which differs from an existing indirect method for measuring the focal spot size ...

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Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

... the electron beam, and the Michelson-type ...light beam is split from the driving pulse, which propagates perpendicularly to the driver and accelerated electron ...the electron ...

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Methods of targets’ characterization

Methods of targets’ characterization

... the beam is stopped and the spectrometer is tuned to the α emission velocity, the α activity of targets is measured at the focal ...various energy distributions according to the heavy ion beam ...low ...

5

Fabrication of 0 346 THz BWO for Plasma Diagnostics

Fabrication of 0 346 THz BWO for Plasma Diagnostics

... The electron beam optic system consisting of a Pierce’s gun, a PPM system and a collector has been experimentally demonstrated with over 50 mA of current at 22 ...

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Probit analysis and effect of electron beam and gamma rays in blackgram (Vigna mungo (L.) Hepper)

Probit analysis and effect of electron beam and gamma rays in blackgram (Vigna mungo (L.) Hepper)

... In the present study, survival per cent reduction increased with increase of mutagens in both varieties (Table 3 and 4). Significant influence of mutagen was noticed in all the treatments. This might have been due to the ...

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Absolute charge calibration of scintillating screens for relativistic electron detection

Absolute charge calibration of scintillating screens for relativistic electron detection

... the measurement. Each screen was measured with electron bunch charges varying over four orders of ...The electron signal on the CCD image is fitted well with a Gauss- ian curve; an example lineout is ...

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Modelling a laser plasma accelerator driven free electron laser

Modelling a laser plasma accelerator driven free electron laser

... relativistic electron beam propagating through an undulator or (wiggler) characterised by the dimensionless undulator parameter, a u = eB 2 p u mc l u , where, B u is the RMS undulator ...

7

Surface Modification of Nanotitania Using High Energy Electron Beam Irradiation

Surface Modification of Nanotitania Using High Energy Electron Beam Irradiation

... Photoluminescence spectrum is an effective way to investigate the electronic structure and optic characteristics of semiconductor nanomaterials, by which the information such as surface oxygen vacancies, defects, ...

5

Enhanced relativistic-electron-beam energy loss in warm dense aluminum

Enhanced relativistic-electron-beam energy loss in warm dense aluminum

... resistive energy losses were unraveled by com- paratively characterizing REB transport in cold-solid and in warm-compressed aluminum (Al) samples of identical areal density ...collisional energy losses ...

6

Scaling laws for positron production in laser-electron-beam collisions

Scaling laws for positron production in laser-electron-beam collisions

... photon energy, that the pair yield scales linearly with pulse length, and that it does not scale with wavelength [provided that the wavelength is smaller than the pulse FWHM—the drop in positron yield in ...

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Study and optimisation of undulator-based polarised positron sources for linear colliders

Study and optimisation of undulator-based polarised positron sources for linear colliders

... high energy electrons striking a high Z material target to generate electromagnetic cascade showers (thick target) or pairs of electron and positrons (thin target) ...the electron beam will ...

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Electron Beam Induced Chemistry

Electron Beam Induced Chemistry

... Nanofabrication techniques are more commonly employed using an ion beam than an electron beam. Gas injection systems are found on most present day FIB systems usually containing a tungsten or ...

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