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Work Plan

Also see the document Initial Division of Repsonsibilities within the Accelerator Working Group

1. Proton Driver

   1. Design of at least one proton driver system, with sufficient study to demonstrate that the specifications are met. All components should be designed and simulated to a sufficient extent that there is general agreement that it would be possible to make them.
      Deliverable: Description of the facility. Lattice designs and simulations for any non-standard components.

   2. Design of additional proton driver systems, for cost and performance comparison.
      Deliverable: Sufficient information for making comparison.

2. Target [Coordinators: C. Densham (RAL), H. Kirk (BNL)]

   1. Analysis of MERIT data to determine maximum length of proton driver bunch train before pion production is reduced.
      Deliverable: Maximum bunch train length.
      Target date: June 2008.
      Responsible person: H. Kirk.

   2. Engineering of target infrastructure.
      Deliverable: Design details sufficient for costing.
      Responsible person: H. Kirk.

3. Front End [Coordinators: C. Rogers (ASTeC), D. Neuffer (Fermilab)]

   1. MUCOOL experiments studying relationship between magnetic fields on room-temperature 200 MHz cavities, gradient in those cavities, and magnetic field orientation.
      Deliverable: Paper describing relationship between maximum allowed magnetic fields, cavity gradients, and orientations.
      

   2. Re-design of front end to meet field requirements from III.A.

      1. Produce lattice design.
         Deliverable: ICOOL input files.
         Depends on: III.A.

      2. Tracking through lattice.
         Deliverable: Output from ICOOL tracking, analysis to determine transmission into accelerator acceptance.
         Depends on: III.B.1.

4. Acceleration [Coordinators: A. Bogacz (JLab), J. Pozimski (ICL)]
   1. Normal-conducting acceleration from cooling to superconducting linac, matched to both of these systems.

      1. Lattice design.
         Deliverable: ICOOL lattice file.
         Depends on: III.B.1, IV.B.1.
         Status: Unnecessary due to results from IV.B.1.

      2. Tracking through lattice.
         Deliverable: Output from ICOOL tracking, starting with results from III.B.2, analysis to determine transmission and emittance growth.
         Depends on: IV.A.1, III.B.2.
         Status: Unnecessary due to results from IV.B.1.

   2. Superconducting pre-accelerator linac.

      1. Lattice design.
         Deliverable: Lattice file.
         Target date: March 2008.
         Responsible person: A. Bogacz.
         Status: Complete.

      2. Tracking idealized lattice.
         Deliverable: Results demonstrating transmission and quantifying emittance growth for full transverse and longitudinal acceptance.
         Depends on: IV.B.1.
         

      3. Propagate distribution from normal-conducting accelerator
         Deliverable: Output distribution, analysis of emittance growth and transmission.
         Depends on: IV.A.2, IV.B.1.

   3. Dogbone RLAs.

      1. Mid-linac injection system, including all chromatic corrections.
         Deliverable: Lattice file.
         Target date: March 2008.
         Responsible person: A. Bogacz.
         Depends on: Linac design from IV.C.2.

      2. Full lattice designs, including chromatic correction, switchyard layout, and arc crossings.
         Deliverable: Lattice file.
         Responsible person: A. Bogacz.

      3. Engineering of switchyard and arc crossings.
         Deliverable: Sufficiently detailed design and drawings to demonstrate feasibility.

      4. Transfer line between RLAs.
         Deliverable: Lattice file.
         Depends on: IV.C.1, IV.C.2.

      5. Tracking idealized lattice.
         Deliverable: Results demonstrating transmission and quantifying emittance growth for full transverse and longitudinal acceptance.
         Depends on: IV.C.2.

      6. Propagate distribution from previous stages.
         Deliverable: Output distribution, analysis of emittance growth and transmission.
         Depends on: IV.B.2, IV.C.1, IV.C.2, IV.C.4.

5. Linear non-scaling FFAG [Coordinators: J. S. Berg (BNL), S. Machida (RAL)]

   1. Main ring lattice design.
      Deliverable: Lattice description.
      Target date: June 2008.
      Responsible person: J. S. Berg.

   2. Injection and extraction system lattice design.
      Deliverable: Kicker field and timing requirements, magnet apertures.
      Depends on: IV.D.1.
      Responsible person: J. S. Berg.

   3. Kicker hardware engineering.
      Deliverable: Hardware description, including magnets and power supplies. Cost estimate.
      Depends on: IV.D.2.

   4. Transfer line from RLA to FFAG.
      Deliverable: Lattice file.
      Depends on: IV.C.2, IV.D.1, IV.D.2.

   5. Tracking idealized lattice.
      Deliverable: Results demonstrating transmission and quantifying emittance growth for full transverse and longitudinal acceptance.
      Depends on: IV.D.1.

   6. Propagate distribution from previous stages.
      Deliverable: Output distribution, analysis of emittance growth and transmission.
      Depends on: IV.C.6, IV.D.1, IV.D.2, IV.D.4.

6. Storage Ring [Coordinators: C. Prior (ASTeC), TBD]

   1. Lattice design for 25 GeV rings, including injection and extraction.
      Deliverable: Lattice file.

   2. Transfer line from FFAG to storage ring.
      Deliverable: Lattice file.
      Depends on: IV.D.1, IV.D.2, V.A.

   3. Tracking idealized lattice.
      Deliverable: Results showing acceptance, emittance growth, losses, and flux distribution in production straights.
      Depends on: V.A.

   4. Propagate distribution from previous stages.
      Deliverable: Results showing losses, flux distribution in production straights.
      Depends on: IV.D.6, V.A, V.B.

7. Overall System

   1. Engineering and cost estimate for muon accelerator systems.
      Deliverable: Sufficient detail to estimate cost. Sufficient information for cost and performance optimization for front-end and acceleration systems.
      Depends on: III.B.1, IV.A.1, IV.B.1, IV.C.1, IV.C.2, IV.C.3, IV.C.4, IV.D.1, IV.D.2, IV.D.3, IV.D.4, V.A, V.B.