| Title |
Design of 162-MHz CW Bunch-by-Bunch Chopper and Prototype Testing Results |
| Authors |
- A.V. Shemyakin, C.M. Baffes, J.-P. Carneiro, B.E. Chase, A.Z. Chen, J. Einstein-Curtis, D. Frolov, B.M. Hanna, V.A. Lebedev, L.R. Prost, G.W. Saewert, A. Saini, D. Sun
Fermilab, Batavia, Illinois, USA
- C.J. Richard
NSCL, East Lansing, Michigan, USA
- D. Sharma
RRCAT, Indore (M.P.), India
|
| Abstract |
The PIP-II program of upgrades proposed for the Fermilab accelerator complex, is centered around a 800 MeV, 2 mA CW SRF linac. A unique feature of the PIP-II linac is the capability to form a flexible bunch structure by removing a pre-programmed set of bunches from a long-pulse or CW 162.5 MHz train, coming from the RFQ, within the 2.1-MeV Medium Energy Beam Transport (MEBT) section. The MEBT chopping system consists of two travelling-wave kickers working in sync followed by a beam absorber. The prototype components of the chopping system, two design variants of the kickers and a 1/4-size absorber, have been installed in the PIP-II Injector Test (PIP2IT) accelerator and successfully tested with beam of up to 5 mA. In part, one of the kickers demonstrated a capability to create an aperiodic pulse sequence suitable for synchronous injection into the Booster while operating at 500 V and average switching frequency of 44 MHz during 0.55 ms bursts at 20 Hz. This report presents the design of the PIP-II MEBT chopping system and results of prototypes testing at PIP2IT.
|
| Funding |
This manuscript has been authored by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics |
| Paper |
download THP1WC03.PDF [0.650 MB / 6 pages] |
| Slides |
download THP1WC03_TALK.PDF [4.615 MB] |
| Export |
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※ EndNote |
| Conference |
HB2018, Daejeon, Korea |
| Series |
ICFA Advanced Beam Dynamics Workshop (61st) |
| Proceedings |
Link to full HB2018 Proccedings |
| Session |
WG-C |
| Date |
21-Jun-18 14:00–15:30 |
| Main Classification |
Accelerator Systems |
| Keywords |
kicker, booster, injection, linac, ECR |
| Publisher |
JACoW Publishing, Geneva, Switzerland |
| Editors |
Volker RW Schaa (GSI, Darmstadt, Germany) |
| ISBN |
978-3-95450-202-8 |
| Published |
July 2018 |
| Copyright |
|
