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The uncertainty of Compton backscattering process is studied by virtue of analytical formulas, and the special effects of variant energy spread and energy drift on the systematic uncertainty estimation are also studied with Monte Carlo sampling technique. These quantitative conclusions are especially important for the understanding the uncertainty of beam energy measurement system.
Shanghai Laser Electron Gamma Source, a $gamma$-ray beam line of 10MeV order was proposed recently. The beam line is expected to generate $gamma$-ray with maximum energy of 22MeV by backward Compton scattering between CO$_2$ laser and electron in the
The backward Compton scattering is a basic process at future higher energy photon colliders. To obtain a high probability of e->gamma conversion the density of laser photons in the conversion region should be so high that simultaneous interaction of
We discuss intensity effects in collisions between beams of optical photons from a high-power laser and relativistic electrons. Our main focus are the modifications of the emission spectra due to realistic finite-beam geometries. By carefully analyzi
The energy measurement uncertainty of circular electron positron collider (CEPC) beam must be less than $10 mathrm{MeV}$ to accurately measure the mass of the Higgs/W/Z boson. A new microwave-beam Compton backscattering method is proposed to measure
One of the major goals of research for laser-plasma accelerators is the realization of compact sources of femtosecond X-rays. In particular, using the modest electron energies obtained with existing laser systems, Compton scattering a photon beam off