High Current H2+ Cyclotrons for Neutrino Physics: The IsoDAR and DAE \delta ALUS Projects

TL;DR

This paper discusses the development of high-current H2+ cyclotrons for neutrino research, enabling high fluxes for oscillation, CP violation, and sterile neutrino studies, with design and construction plans.

Contribution

It introduces the use of H2+ ions in high-current cyclotrons for neutrino physics, detailing design strategies and project outlines.

Findings

Potential to achieve 10 mA currents at 800 MeV/amu

Feasibility of generating neutrino fluxes for various experiments

Design and planning frameworks for the cyclotrons

Abstract

Using H2+ ions is expected to mitigate the two major impediments to accelerating very high currents in cyclotrons, due to lower space charge at injection, and stripping extraction. Planning for peak currents of 10 particle milliamps at 800 MeV/amu, these cyclotrons can generate adequate neutrino fluxes for Decay-At-Rest (DAR) studies of neutrino oscillation and CP violation. The Injector Cyclotron, at 60 MeV/amu can also provide adequate fluxes of electron antineutrinos from 8Li decay for sterile neutrino searches in existing liquid scintillator detectors at KamLAND or SNO+. This paper outlines programs for designing and building these machines.