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Published February 10, 2005 | public
Book Section - Chapter Open

Overview on the Future Electron-Ion Collider Projects


One of the large new projects envisioned for the future US nuclear physics program is the construction of a high-energy electron ion collider. The motivation for such a machine would be primary directed at the study of the nucleon spin structure using polarized light ions and the study of low x gluon distributions in heavy nuclei. Two candidates coming from the two large DOE nuclear physics facilities, one at Brookhaven called eRHIC, and one at Jefferson Laboratory called ELIC are the primary candidates today.

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©2005 American Institute of Physics. I would like to thank the conference organizers for the invitation to come to beautiful Marseille. A special thanks goes to both Zein-Eddine Meziani and Jacques Soffer for their enormous efforts. Also, I apologize that this collider discussion had nothing to do with high x! After the 12 GeV program at CEBAF and the high energy measurements from HERA, I do not believe that high x play a large role in the EIC business. I could certainly be wrong. HERA may still find leptoquarks at high x, in which case all bets are off on the reason for building a US EIC. In that case, just shred this article.


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