PPB - June 28, 2023

Meeting Coordinates

Wednesdays @ 11am EDT

-On-site TL-2236

- Zoom (see e-mail)

Agenda

Ce⁺BAF WG Reports

Karl Smolenski - Xelera Research progress on the liquid jet target development

Joe Gubeli - LERF experience irradiating a gallium target

Sohaib Bhatti - Fluent & ANSYS modeling and simulations of solid targets

JLUO Meeting (CC Auditorium) - https://indico.jlab.org/event/714/

2:25 PM JLab @ 22 GeV, Speaker: Cynthia Keppel (Jefferson Lab)

2:50 PM Positron Physics at JLab, Speaker: Dr Eric Voutier (CNRS/IN2P3/IJCLab - UPS)

3:15 PM Positron Source and Beam, Speaker: Yves Roblin (Jefferson Lab)

3:30 PM CEBAF 22GeV Upgrade, Speaker: Todd Satogata (Jefferson Lab)

Running lists

Status of proposals

- HEP proposal for e-/e+ sources development, with SLAC and KEK => awarded year 1

- DOE early career proposal for low vacuum (high current sources) => pending

- UVA JSA proposal to evaluate spin rotator for higher MeV energies => pending

- LDRD award (2nd year) to study phase acceptance of CEBAF => awarded year 1, pending year 2

- LDRD proposal (1st year) to study thermal predictions and stresses => pending year 1

- DOE SBIR awarded to Xelera/JLab for liquid jet target Phase I study => awarded

2023 topics

- Delivering 60-120 MeV e- or e+ from LERF to CEBAF

- Quads with large bore and large range 60-600 MeV

- Reversing polarity of magnets w/ bulk PS

-Evaluating CEBAF unipolar magnets w/ reversal

-Strategic roadmap for diagnostics for tuning and transporting secondary e+/e- beams

-Evaluation of radiation shielding for >100 kW target

-Strategic roadmap for LERF cryomodules and energy reach of primary e- and secondary e+/e- beams

-media:JLab AAC Report March 8-10 2023 Final.pdf