The first time I saw any mention of the proposed Chinese Supercollider was in an IAS webpage announcing Nima Arkani-Hamed’s efforts promoting a 100 Tev collider to be built in China.
“Arkani-Hamed joined forces with Yifang Wang, Director of the Institute of High Energy Physics in Beijing, and became the first Director of Beijing’s new Center for Future High Energy Physics. For the last two years, Arkani-Hamed has worked with Wang and others to articulate the case for building a Higgs factory known as the Circular Electron Positron Collider (CEPC), followed by a Super Proton Proton Collider (SPPC), a 50- to 100-kilometer-long circular collider outside of Beijing, which would provide a significant upgrade from the LHC’s 17-mile-long design.”
Then I have read the article by Natalie Wolchover in the Quanta Magazine titled “Visions of Future Physics” which was a piece on Arkani-Hamed as well. Arkani-Hamed mostly talks about the future of physics and the Chinese supercollider in his answers to Wolchover in that article but there was an interesting factoid about his sleeping habits too.
“I sleep the way lions eat,” he explained — “very little for stretches of time, punctuated by huge and delicious feasts.”
I highly recommend Natalie Wolchover’s “Visions of Future Physics” article.
Peter Woit mentioned the Chinese Supercollider in his post titled “Super and Great Colliders” as well. That’s where I learned about the new book by Steve Nadis and Shing-Tung Yau.
Contrary to some reports in the media, the Chinese government has not given any approval to the CEPC-SPPC yet.
The preliminary conceptual design report has been completed. I have been involved in the writing of the SSC (Superconducting Super Collider) conceptual design report in the past. I know what a big effort it is. The preparation of a conceptual design report for a supercollider takes many years and thousands of people.
CEPC-SPPC: Preliminary Conceptual Design Report: Volume I: Physics & Detector
CEPC-SPPC: Preliminary Conceptual Design Report: Volume II: Accelerator
These reports are kept at the CEPC web site.