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Report No.

Laser stripping injection toward next generation high-intensity proton accelerator

Harada, Hiroyuki; Saha, P. K.; Inoue, Shunsuke*

The high-intensity proton accelerator adopts a charge exchange injection scheme, which injects with exchanging from negative Hydrogen ion to proton by using carbon foil. This scheme can realize high intensity proton beam but the uncontrolled beam losses occur by scattering at the foil. Additionally, the collision may cause the foil break. Therefore, a new injection scheme for higher intensity is needed as an alternative to the foil. In the J-PARC 3GeV RCS, we newly propose and develop a laser stripping injection scheme. In the presentation, we will explain the issues of high-intensity proton accelerator, and will report an overview of laser stripping injection and current status to the experiment of a proof-of-principle.



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