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Target hardness examination for ILC positron production target at KEKB
Abstract and Figures
ILC (International Linear Collider) is a linear collider project make electron and positron collision in 1 TeV cen-ter of mass energy. One train contains up to 2800 of 3nC bunches with 327 ns bunch spacing resulting 0.9ms train length. Because of this extremely large amount of beam in a train, a serious damage on the positron production tar-get driven by 6 GeV incident electron, concerns. As ILC positron source, several different methods are proposed and the target hardness is a key on the selection. In this article, we propose a test experiment to examine the target hard-ness by using the stored beam in KEKB HER(High Energy Ring). The project name is IPPAK(ILC Positron Project At KEKB) which sounds like "ippaku" (one night stay in Japanese). By manipulating the abort kicker, a condition similar to that of ILC positron production target, can be re-produced. The experiment will be carried out in the end of June 2005. Possible results and impacts to the ILC positron production scheme, are also discussed.
Figures - uploaded by Masao Kuriki
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