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This document addresses key challenges and opportunities in advancing the Electron-Ion Collider (EIC) based on insights gathered from Galveston. It emphasizes the importance of deepening the scientific case for the EIC by exploring connections to forefront science questions, such as the potential of observing systems with gauge boson occupation numbers. Additionally, it discusses broadening the appeal of EIC research within the nuclear physics community and suggests innovative approaches like parity-violation measurement techniques. There's also a focus on strategic staging of EIC to maximize research impact.
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Homework: EIC Challenges & Opportunities Lessons from Galveston need to: • DEEPEN the science case and the connections to other forefront science questions (what is transformational about EIC?) e.g., the opportunity to observe systems with gauge boson occupation #’s >> 1 reveals a unique aspect of QCD many-body systems, but does it tell us more? Can saturated gluonic matter illuminate interesting questions in other non-Abelian theories that are more difficult to observe? Why should other scientists or the public care about dense gluonic matter?
Homework: EIC Challenges & Opportunities Can one make use of novel parity-violation measure-ment techniques for stored, cooled ions, by observing dependence of ion beam lifetime on e beam helicity? Requires minimal beam losses from other than e-p interactions. • BROADEN the science case -- make it interesting to a wider portion of the nuclear physics community! e.g., is there a viable and compelling electroweak symmetry program? What luminosity would be needed to make interesting measure-ments of the running of the weak coupling below the Z0? Anything interesting to be learned from PV in e-A vs. A? What precision needed?
Homework: EIC Challenges & Opportunities EIC? RHIC-II e.g., can one put together a compelling case for ~2 GeV e on 250 GeV p medium-to-high x via reverse kinematics, with access to forward proton or nucleus fragments? • Think about staging EIC, or an EIC precursor! Even in a budget bursting at an ample seam, there may be pockets of opportunity! IF (NP budget doubles.AND. Stochastic cooling LRHIC-II) THEN Perhaps some free energy in the profile for an early EIC start…