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A high intensity H2+ multicusp ion source for the isotope decay-at-rest experiment, IsoDAR
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The Isotope Decay-At-Rest (IsoDAR) experimental program aims to decisively test the sterile neutrino hypothesis. In essence, it is a novel cyclotron based neutrino factory that will improve the frontiers in both high-intensity cyclotrons and electron flavor anti-neutrino sources. By using a source in which the usual H− ions are replaced with the more tightly bound H2+ ions, we can negate the effects of Lorentz stripping in a cyclotron, reduce the overall perveance due to the space-charge effect, and deliver twice the number of protons per nuclei on target. To produce the H2+, we are currently developing a dedicated multicusp ion source, MIST-1 (generation-1 Multicusp Ion Source Technologies at MIT), and a low-energy beam transport system for the IsoDAR cyclotron. This will increase the overall H2+ current leading up to the cyclotron and improve the emittance of the beam injected into the cyclotron.
Title: A high intensity H2+ multicusp ion source for the isotope decay-at-rest experiment, IsoDAR
Description:
The Isotope Decay-At-Rest (IsoDAR) experimental program aims to decisively test the sterile neutrino hypothesis.
In essence, it is a novel cyclotron based neutrino factory that will improve the frontiers in both high-intensity cyclotrons and electron flavor anti-neutrino sources.
By using a source in which the usual H− ions are replaced with the more tightly bound H2+ ions, we can negate the effects of Lorentz stripping in a cyclotron, reduce the overall perveance due to the space-charge effect, and deliver twice the number of protons per nuclei on target.
To produce the H2+, we are currently developing a dedicated multicusp ion source, MIST-1 (generation-1 Multicusp Ion Source Technologies at MIT), and a low-energy beam transport system for the IsoDAR cyclotron.
This will increase the overall H2+ current leading up to the cyclotron and improve the emittance of the beam injected into the cyclotron.
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