{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"b63472c8e46852294cf8c2a10e823519661d9c4fcdd02bb0565d6f671aa8a4c0","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"18d6663a1d19f714ecaf9599c49e947d23535690b826cd139fcbcaa066271d27","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"beams.sc-magnets","field":"beams","n":"1","review_cite":"D. Schoerling, A. V. Zlobin (editors), Nb3Sn Accelerator Magnets: Designs, Technologies and Performance, Springer, 2019","review_link":"https://doi.org/10.1007/978-3-030-16118-7","review_verified":"true","summary":"The magnets that steer high-energy beams are superconducting coils that often lose superconductivity (quench) below their design current and reach it only after many repeated quenches, called training. Why they train, and what limits their field, is not understood well enough to design around.","title":"Training and field limits of superconducting accelerator magnets","topic_ref":null,"why":"Reachable dipole field and training time set the energy reach and cost of future hadron colliders."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"a83e07dd68407ac5bcfad93a1a605a4cf0470772a34c776e66dd884c34f68340","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"84b4083b009b1550687bda1cd148adcb79de5692ccdd11ad71c27679c0aaa3fb","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"MZThC7WRgFWGsSNOYNolQpWZdW2W8ksLfOMOV_nFDSp5En1FFcxglzM7kPExHGlQX7NvdNnyfs-lT-zPGF0lDw"},"schema":"pubphys.envelope/1"},"record_hash":"a83e07dd68407ac5bcfad93a1a605a4cf0470772a34c776e66dd884c34f68340","leaf_index":74}