|TUPMR021||A Racetrack-shape Fixed Field Induction Accelerator for Giant Cluster Ions||1278|
At KEK, circular induction accelerators employing an induction acceleration system, which is characterized by a simple fact of functional separation of acceleration and beam confinement, have been developed since 2000. The slow cycling induction synchrotron (IS) was demonstrated using the KEK 12 GeV PS in 2006, where superbunch formation and focusing-free transition energy crossing were realized*. The fast cycling IS called the KEK digital accelerator is under operation since 2012**, where bunch squeezing and splitting/merging never realized in RF synchrotrons have been demonstrated, as well as acceleration in a wide range of ion mass to charge ratio. Based on the experiences, a racetrack-shape fixed field induction accelerator (induction microtron)*** that can accelerate giant cluster ions such as C-60 or Si-100, to high energy beyond that of electrostatic accelerators has been designed. Its full story and status of R&D work will be presented at the conference.
* K.Takayama, Induction Accelerators (Springer, 2010), Chapter 11,12
** K.Takayama et al., Phys. Rev. ST-AB 17, 010101(2014).
*** K.Takayama, T.Adachi, et al., Phys. Rev. ST-AB 18, 050101(2015).
|DOI •||reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMR021|
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