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WET3BH3 |
Study on the International Linear Collider Beam Dump by plasma-wakefield Deceleration | |
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Funding: This work is supported by Grant-in-Aid for Challenging Exploratory Research, JSPS KAKENHI Grant Number 15K13494. As the scale of accelerator projects and their power consumptions increase, improving the power efficiency and the power recovery of accelerator systems become immediate and important requirement and goal. Moreover, the radiation level in the accelerators should be kept to a minimum extent to cope with environmental consideration. In the design of the next future largest accelerator, the International Linear Collider (ILC), important efforts are being undertaken to reduce the electricity consumption and to lower the radiation level. Consequently, we proposed a new system of beam dump which is based on the wakefield deceleration of beams in plasma, where the radiation level is far less than in the conventional designs and where the beam power might be recovered. We started the study in early 2015 and first focused on simulation where the ILC electron beams at 250 GeV is dumped into a gas chamber so as to create a plasma and therefore to achieve efficient deceleration. We will also consider energy recovery from the created plasma in the gas chamber. The article presents the current status of these studies. |
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