2015-Sep-18 Accel. R and D Biweekly Report

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Slava Derbenev

  • Completed an analytic estimations of space charge effect on the cooling electron beam at the ERL and the cooling solenoids and gave a talk at the MEIC accelerator R&D meeting
  • Continued MEIC conceptual design studies
  • Continued the organization work of COOL15 workshop and collaboration meetings
  • Gave two talks in Rick's cafe

Fanglei Lin

  • Looking at electron polarizations at high energies in the MEIC electron collider ring.
  • Provided various electron ring downstream chicane optics and beam sizes, required by nuclear physicists.
  • Continued working on establishing ZGOUBI, GPUSPINK and PTC.
  • Will attend the COOL15 workshop from Sep.28 to Oct.2.

Vasily Morozov

  • Ion polarization: helping Anatoliy's group prepare DSPIN presentation, racetrack booster, presentation at one of the R&D meetings.
  • Ion collider ring: exploring optics compensation schemes, holding teleconference with SLAC.
  • Detector integration: helping with electron polarimeter and beam pipe simulations.
  • SBIR: helped prepare three LOIs.
  • Isotope production ERL: tracking, optics studies, teleconference with Niowave.
  • Beam-beam code development: paper preparation.

Guohei Wei

  • Made nonlinear multiple errors of dipole to ELEGANT deck for the MEIC ion Ring. Communicated with Michael Borland to ensure it was done correctly.
  • Prepared for the new 96-core computer with Yves Roblin, completed installation of PELEGANT
  • Established wiki for the MEIC Single Particle Nonlinear Beam Dynamics with Fanglei Lin and Vasiliy Morozov
  • Study decoupling and beta beat matching of the MEIC ion ring

Amy Sy

  • Continued work on ERL/isotope production simulations:
    - Quantification of electron energy spread after passage through solid photon radiator.
    - Simulations of refined optics design for rastered, focused electron beams on thicker photon radiators.
  • Fast kicker LDRD:
    - Met with Andrew Kimber, John Musson to discuss experimental work for inclusion in COOL'15 talk.
    - Kicker simulations for bunch frequency of 952 MHz.
    - Aggregation of material for COOL'15 talk.

Yuhong Zhang

  • Continued working on bunched cooling LDRD
  • Wrote an abstract for a poster on bunched cooling demo and submitted it to COOL15; Working on the poster
  • Working on a poster for the JLab LDRD Poster Show
  • Continued to write sections for the beam synchronization report
  • Continued organization of COOL15 and MEIC collaboration meeting