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Related papers: High current $\mathrm{H}_2^+$ beams from a filamen…

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We present two iterations of the Multicusp Ion Source Technology at MIT (MIST) sources, designed to fulfill the requirements of the HCHC-XX cyclotron design. The HCHC-XX is a novel compact cyclotron accelerating H$_2^+$. Beam is injected…

IsoDAR is an experiment under development to search for sterile neutrinos using the isotope Decay-At-Rest (DAR) production mechanism, where protons impinging on $^9$Be create neutrons which capture on $^7$Li which then beta-decays producing…

This technical report reviews the tests performed at the Best Cyclotron Systems, Inc. facility in regards to developing a cost effective ion source, beam line transport system, and acceleration system capable of high H$_2^+$ current output…

The IsoDAR cyclotron is a 60 MeV cyclotron designed to output 10mA of protons in order to be a driver for a neutrino experiment. Coupling the high flux generated by the IsoDAR system with a kiloton neutrino detector will provide sterile…

Accelerator Physics · Physics 2022-12-22 Loyd Waites

IsoDAR is a novel experiment designed to measure neutrino oscillations through $\bar{\nu}_e$ disappearance, thus providing a definitive search for sterile neutrinos. In order to generate the necessary anti-neutrino flux, a high intensity…

Accelerator Physics · Physics 2015-07-28 Daniel Winklehner , Robert Hamm , Jose Alonso , Janet Conrad

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…

Accelerator Physics · Physics 2019-08-14 Jose R. Alonso

In recent years, the interest in high intensity proton beams in excess of several milli-Amperes has risen. Potential applications are in neutrino physics, materials and energy research, and isotope production. Continuous wave proton beams…

We are developing a high-current cyclotron as a driver for the IsoDAR neutrino experiment. It accelerates 5 mA H2+ to 60 MeV/amu, after which the electron is removed to produce a 10 mA, 60 MeV proton beam. The enabling innovations that…

Accelerator Physics · Physics 2024-04-30 D. Winklehner , J. R. Alonso , J. M. Conrad

The IsoDAR collaboration is developing a high-current cyclotron for a neutrino search experiment. Designed to deliver 10 mA of 60 MeV protons, the current and power of this cyclotron far exceed those of existing accelerators, opening new…

Accelerator Physics · Physics 2020-03-23 Loyd Hoyt Waites , Jose R Alonso , Roger Barlow , Janet Conrad

The Decay-At-rest Experiment for delta-CP violation At a Laboratory for Underground Science (DAEdALUS) and the Isotope Decay-At-Rest experiment (IsoDAR) are proposed experiments to search for CP violation in the neutrino sector, and…

Accelerator Physics · Physics 2018-12-13 Daniel Winklehner

The cyclotron designed for the IsoDAR neutrino source represents a paradigm shift in cyclotron performance -- a factor of 10 increase in beam current. This performance is required to develop a neutrino source of sufficient strength for…

High Energy Physics - Experiment · Physics 2022-03-16 Jose Alonso

A new approach to the development of extraction systems capable of forming ion beams with previously inaccessible intensity is proposed. The use of inhomogeneous accelerating field allows to improve the ion beam formation efficiency…

Plasma Physics · Physics 2020-12-30 S. S. Vybin , I. V. Izotov. V. A. Skalyga

In the quasi-gasdynamic high-current ion source described in this work, the plasma is sustained by high-power millimeter-wave radiation under the electron cyclotron resonance (ECR) condition. In such facilities, it is possible to achieve…

We investigate limits on the current of the PSI Injector II high intensity separate-sector isochronous cyclotron, in its present configuration and after a proposed upgrade. Accelerator Driven Subcritical Reactors, neutron and neutrino…

Accelerator Physics · Physics 2018-03-14 Anna Kolano , Andreas Adelmann , Roger Barlow , Christian Baumgarten

Compact H$^-$ cyclotrons are used all across the globe to produce medical isotopes. Machines with external ion sources have demonstrated average extracted currents on the order of a few mA, although reported operational numbers are…

Accelerator Physics · Physics 2023-03-22 Thomas Planche , Richard A. Baartman , Hui Wen Koay , Yi-Nong Rao , Lige Zhang

Recently, there is an increasing need for $H_{2}^+$ and $H_{3}^+$ ion sources. One example are ion therapy facilities, where $C^{4+}$ and $H_{3}^+$ ion beams along the linac are of great interest. Another example is a $H_{2}^+$ test beam…

Accelerator Physics · Physics 2025-09-12 N. Joshi , M. Droba , O. Meusel , U. Ratzinger

In this paper, we focus on a PIG source for producing intense H-ions inside a 9 MeV cyclotron. The properties of the PIG ion source were simulated for a variety of electric field distributions and magnetic field strengths using CST particle…

Accelerator Physics · Physics 2014-06-04 Mitra Ghergherehchi , Xiang- Jie Mu , Yeong- Heum Yeon , Jong-Wan Kim , Jong- Seo Chai

Fundamental studies of excitation and non-linear evolution of kinetic instabilities of strongly nonequlibrium hot plasmas confined in open magnetic traps suggest new opportunities for fine-tuning of conventional electron cyclotron resonance…

There is great need for high intensity proton beams from compact particle accelerators in particle physics, medical isotope production, and materials- and energy-research. To address this need, we present, for the first time, a design for a…

The development of instrumentation for operation in high-radiation environments represents a challenge in various research fields, particularly in particle physics experiments and space missions, and drives an ever-increasing demand for…

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