Proton Characteristic Research Generated by Hundred TW Femtosecond Laser and Compound Target Interaction
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Graphical Abstract
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Abstract
Proton beam behavior at the normal direction of the rear surface of the target produced from ultraintense short pulse laser irradiated Au/CH double layers targets was explored on SILEXI laser facility. With the same thickness of Au layer，the proton beam flux decreases with the increasing of CH layer thickness，and the corresponding spatial profile of proton beam shows ring， filament，and disc like distribution. The energy of proton beam was not beyond 2.75 MeV in our experiment.
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