pith:Y6XZVJVR
Alternative Lattice Design for the STCF Collider Rings
An alternative one-fold lattice for the STCF collider reaches 1×10^{35} cm^{-2}s^{-1} luminosity at 2 GeV with a 600-second Touschek lifetime.
arxiv:2605.18435 v1 · 2026-05-18 · physics.acc-ph
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Claims
The optimized lattice achieves the more ambitious luminosity of 1×10^{35} cm^{-2}s^{-1} while maintaining a Touschek lifetime of about 600 s at 2 GeV, with sufficient dynamic aperture and momentum acceptance for stable operation.
The design assumes that the crab-waist scheme combined with local chromatic correction in the interaction region will sufficiently suppress beam-beam driven instabilities and allow the global nonlinear optimization to converge to a stable solution without unforeseen collective effects dominating at the target currents.
Alternative lattice for STCF achieves 1e35 cm^{-2}s^{-1} luminosity and 600 s Touschek lifetime at 2 GeV via global parameter optimization, compact IR with crab-waist, and nonlinear refinement.
References
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| First computed | 2026-05-20T00:06:00.872197Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
c7af9aa6b1f68597cf642f62c69dfc43db73e7b963dbd118b9dcf9ac93a3d95a
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curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y6XZVJVR62CZPT3EF5RMNHP4IP \
| jq -c '.canonical_record' \
| python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c7af9aa6b1f68597cf642f62c69dfc43db73e7b963dbd118b9dcf9ac93a3d95a
Canonical record JSON
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