2024 Workshop on Polarized Sources, Targets, and Polarimetry

Session

Polarized Ion Sources

Sep 23, 2024, 11:00 AM

Cebaf Center Auditorium (Jefferson Lab)

Conveners

Polarized Ion Sources

• Deepak Raparia (BNL)

57. New Insights into Sona Transitions

Ralf Engels

9/23/24, 11:00 AM

The Sona method, described in 1968 by Peter Sona, was used in polarized sources of the Lamb-shift type and is still important at optically pumped ion sources like at BNL. The trick of this method is that an electron polarization of a hydrogen beam, e.g. produced by charge exchange of a proton beam with optically pumped rubidium atoms, can be transferred into nuclear polarization. For this...

43. Operation of the OPPIS H⁻ Ion Source during the RHIC Run-2024

Antonino Cannavo (BNL)

9/23/24, 11:20 AM

This work will provide an overview of the operation of the Optically Pumped Polarized Ion Source (OPPIS) during the polarized proton Run 24 of the Relativistic Heavy Ion Collider (RHIC).
The functionality of the source has been achieved by the upgrades focused on three key areas: performance, stability and safety
A 10 % enhancement of the beam transport efficiency was achieved by shortening...

41. Progress on a Polarized 3He++ Ion Source at BNL

Noah Wuerfel (MIT)

9/23/24, 11:40 AM

A high intensity (2 x 10^11 ions per pulse) polarized 3He++ ion source is being developed at BNL for use at the future Electron Ion Collider (EIC). The helium gas will be polarized using a novel technique based on metastability-exchange optical pumping (MEOP) in the 5T field of the existing Electron Beam Ion Source (EBIS), where it can be ionized and prepared for injection into the Alternating...

37. Development of Polarized Lithium Sources for EIC

Chao Peng (Argonne National Laboratory)

9/23/24, 12:00 PM

In the next decades, the U.S.-based Electron-Ion Collider (EIC) will be one of the premier collider facilities for hadronic and nuclear physics. Among the crucial science goals of EIC beyond those articulated by the National Academy of Sciences report and EIC White paper is to explore the quark and gluon structure of nuclei. One essential knob in this investigation is the spin of the nucleus....