ESS Docs Document 94-v1

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Design of the Project-X CW LINAC

Document #:
ESS-doc-94-v1
Document type:
Presentation Slides
Submitted by:
Mohammad Eshraqi
Updated by:
Mohammad Eshraqi
Document Created:
10 Jun 2011, 09:56
Contents Revised:
10 Jun 2011, 09:56
DB Info Revised:
10 Jun 2011, 09:56
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Abstract:
The Project-X, a multi-MW proton source, is under development at Fermilab. It enables a Long Baseline Neutrino Experiment via a new beam line pointed to DUSEL in Lead, South Dakota, and a broad suite of rare decay experiments. The facility contains 3-GeV 1-mA CW superconducting LINAC. In the second stage of about 5% of the H- beam is accelerated up to 8 GeV in a 1.3 GHz SRF pulse LINAC to Recycler/Main Injector. Ion source will produce 5 mA CW H-beam, which will accelerated up-to 2.1 MeV in RFQ and chopped in MEBT to provide required beam structures for few experimental programs, after chopping average beam current is 1 mA, which will be accelerated in SRF LINAC, built of different families of cavities: three families of single-spoke 325 MHz cavities and two families of elliptical 650 MHz cavities. Pulse LINAC will explore TESLA type 9-cell cavities at 1.3 GHz. In presentation we will discuss conceptual design of the LINAC, optimization of transition energy between sections, segmentation and lattice design constraints. I will present the requirements for dynamics errors and correction schemes to keep beam losses under control below 1W/m. We also will discuss status of designing, prototyping and testing of different components of the CW LINAC.
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