Low energy stages - 'dogbone' muon RLA
A conceptual design of lower energy stages of muon accelerator is presented. The scheme is based on two superconducting, 200 MHz linacs: a single pass linear pre-accelerator followed by a multi-pass ''dogbone'' recirculating linac (RLA). In the presented scenario, acceleration starts after ionization cooling at 273 MeV/c and proceeds to 5 GeV, where the beam is injected into a complex of FFAG rings for further acceleration. The key conceptual issues are addressed and implemented in the overall acceleration scheme: capture, acceleration, transport and preservation of large phase space of fast decaying species. Beam transport of large-momentum-spread beams is facilitated through appropriate lattice design choices. The proposed linear optics for ''droplet'' return arcs optics is further supplemented with a sextupole correction to suppress chromatic effects contributing to the horizontal emittance dilution.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 842271
- Report Number(s):
- JLAB-ACP-04-06; DOE/ER/40150-3536; TRN: US0503243
- Resource Relation:
- Conference: NuFact 04, July 26-August 1, 2004, Osaka University, Japan; Other Information: Paper is linked at: http://www1.jlab.org/UL/pubications/view_pub.cfm?pub_id=6245
- Country of Publication:
- United States
- Language:
- English
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