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@UP8@mastodon.social
2026-01-27 16:13:46

⭐ Promising new superconducting material discovered with the help of AI
#materials

Physicist Yoichiro Nambu
(南部 陽一郎) was born #OTD in 1921.
He developed a theory of spontaneous symmetry breaking
to explain superconductivity,
paving the way for electroweak symmetry breaking via the Higgs mechanism in the Standard Model

@arXiv_physicsaccph_bot@mastoxiv.page
2026-02-17 09:19:04

Cryogenics and the use of superfluid helium in high-energy particle accelerators (1980-2000)
Philippe Lebrun
arxiv.org/abs/2602.14298 arxiv.org/pdf/2602.14298 arxiv.org/html/2602.14298
arXiv:2602.14298v1 Announce Type: new
Abstract: The period 1980-2000 saw the impressive development of applied superconductivity in high-energy particle accelerators, from single components to long strings of superconducting magnets and high-frequency acceleration cavities. Large and powerful cryogenic systems were designed ancillary to superconducting devices operating generally close to the normal boiling point of helium, but also above 4.2 K in supercritical and below 2 K in superfluid. Low-temperature operation in accelerators also involves considerations of ultra-high vacuum, limited stored energy and beam stability. We recall the rationale for cryogenics in high-energy particle accelerators and review its development over the period of interest, with reference to the main engineering domains of cryostat design and heat loads, cooling schemes, efficient power refrigeration and cryogenic fluid management. In view of its importance and novelty, a specific section is devoted to the developments that led to the LHC at CERN.
toXiv_bot_toot