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An 8 GEV Linac As The Booster Replacement In The Fermilab Power Upgrade

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arxiv 2208.11765 v1 pith:S2C36WJU submitted 2022-08-24 physics.acc-ph

An 8 GEV Linac As The Booster Replacement In The Fermilab Power Upgrade

classification physics.acc-ph
keywords linacbeamboosterpowerreplacementacceleratesfermilabintensity
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Increasing the Fermilab Main Injector (MI) beam power above ~1.2 MW requires replacement of the 8 GeV Booster by a higher intensity alternative. Earlier, rapid-cycling synchrotron and linac solutions were considered for this purpose. In this paper, we consider the linac version that produces 8 GeV H- beam for injection into the Recycler Ring (RR) or MI The new linac takes ~1 GeV beam from the PIP-II linac and accelerates it to ~ 2 GeV in a 650 MHz SRF linac, and then accelerates to ~8 GeV in an SRF pulsed linac using 1300 MHz cryomodules. The linac components incorporate recent improvements in SRF technology. This Booster Replacement linac (BRL) will increase MI beam power to DUNE to more than 2.5 MW and enable next-generation intensity frontier experiments.

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