An 8 GeV linac as the Booster replacement in the Fermilab Power Upgrade

Belomestnykh, S.; Checchin, M.; Johnson, D.; Neuffer, D.; Padamsee, H.; Posen, S.; Pozdeyev, E.; Pronskikh, V.; Saini, A.; Solyak, N.; Yakovlev, V.

doi:10.1088/1748-0221/18/07/T07009

An 8 GeV linac as the Booster replacement in the Fermilab Power Upgrade

Journal Article · Tue Jul 25 00:00:00 EDT 2023 · Journal of Instrumentation

DOI:https://doi.org/10.1088/1748-0221/18/07/T07009· OSTI ID:1997119

Belomestnykh, S. ^[1]; ^[1]; Johnson, D. ^[1]; ^[1]; Padamsee, H. ^[2]; Posen, S. ^[1]; Pozdeyev, E. ^[1]; Pronskikh, V. ^[1]; Saini, A. ^[1]; Solyak, N. ^[1]; Yakovlev, V. ^[1]

Fermilab
Fermilab; Cornell U., Phys. Dept.

Increasing the Main Injector beam power above ~ 1.2 MW requires replacement of the 8 GeV Booster by a higher intensity alternative. In this paper, we consider an 8 GeV linac Booster replacement that produces 8 GeV H$$^{-}$$ beam for injection into the Recycler Ring or Main Injector. This upgrade will maximize the beam available for neutrino production for the long baseline DUNE experiment to greater than 2.5 MW and enable a next generation frontier experiments. The 8 GeV linac takes ~ 1 GeV beam from the PIP-II Linac and accelerates it to ~ 2 GeV in a650 MHz superconducting RF linac, followed by a ~ 2 to 8 GeV pulsed linac using 1300 MHz cryomodules. The linac components incorporate recent improvements in superconducting RF technology. The linac configuration and beam dynamics requirements are presented. Injection options are discussed, including use of an8 GeV Accumulator Ring. Foil-based injection is the present standard but R&D toward implementing laser-assisted injection could enable a significant improvement. Research needed to implement the Booster replacement is described.

View Accepted Manuscript (DOE)

Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1997119

Report Number(s):: FERMILAB-PUB-23-027-AD-PIP2-TD; arXiv:2203.05052; oai:inspirehep.net:2049848

Journal Information:: Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 07 Vol. 18; ISSN 1748-0221

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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