2016-Apr-29 Accel. R and D Biweekly Report

Slava Derbenev

• Worked on electron cooling R&D, and gave a presentation at JLEIC R&D meeting
• Worked on various JLEIC R&D issues
• Helped Phillipe Piot to developed a proposal for NP FOA

Fanglei Lin

• Continued working on electron ring optics to reduce the emittance.
• Continued discussion on the possibility of polarized positrons in the JLEIC for a LDRD proposal, presented high-level parameters at JLEIC R&D meeting.
• Preparing papers and posters for IPAC16.
• Miscellaneous: attended weekly EIC detector user meeting, attended weekly JLEIC R&D meeting, Discussion on wakefield power dumped in detector for JLEIC evaluation.

Vasiliy Morozov

• Preparation for IPAC: working on three papers and reviewing Guohui's papers
• NP proposal: working on ion polarization and crab crossing sections
• Positron source for JLEIC and CEBAF
• Ion polarization: teleconference with Anatoliy's group
• Ion collider ring: development of beta squeeze
• Miscellaneous: skew PIC, interaction region

Amy Sy

• Continued work on optimization of sextupole field strengths for compensation of nonlinear effects. Studied effects of phase-shifted body sextupoles on particle radial offset.
• Continued ERL merger geometry setup in G4Beamline. Studying adequacy of emittance calculation program ecalc9f for emittance calculation in bent solenoid system.
• Muons, Inc. related activity: Completed and submitted patent application for ERL for radioisotope production concept.

Guohui Wei

• Correction schemes for coherent orbit distortion caused by detector solenoid.
• Preparing three proceeding papers and posters for IPAC'16.
• Dynamic aperture study for JLEIC ion collider ring at injection mode

Yuhong Zhang

• Participating writing of FOA proposal
• Working on an IPAC poster
• Working some JLEIC R&D issues