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Related papers: Improvements on the Stability and Operation of a M…

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As the main $H^{-}$ ion source for the accelerator complex, magnetron ion sources have been used at Fermilab since the 1970s. At the offline test stand, new R&D is carried out to develop and upgrade the present magnetron-type sources of…

Accelerator Physics · Physics 2018-10-17 A. Sosa , D. S. Bollinger , P. R. Karns , C. Y. Tan

The magnetron-style $H^{-}$ ion sources currently in operation at Fermilab use piezoelectric gas valves to function. This kind of gas valve is sensitive to small changes in ambient temperature, which affect the stability and performance of…

Accelerator Physics · Physics 2017-09-13 A. Sosa , D. S. Bollinger , P. R. Karns

This paper will cover several studies and design changes that will eventually be implemented to the Fermi National Accelerator Laboratory (FNAL) magnetron ion source. The topics include tungsten cathode insert, solenoid gas valves, current…

Accelerator Physics · Physics 2017-09-13 D. S. Bollinger , A. Sosa

The new FNAL 750keV injector upgrade for the replacement of the 40 year old Fermi National Laboratory (FNAL) Cockcroft-Walton accelerators with a new ion source and 200MHz Radio Frequency Quadrupole (RFQ), Low Energy Beam Transport (LEBT)…

Accelerator Physics · Physics 2015-06-12 D. S. Bollinger

This paper will detail changes in the operational paradigm of the Fermi National Accelerator Laboratory (FNAL) magnetron $H^{-}$ ion source due to upgrades in the accelerator system. Prior to November of 2012 the $H^{-}$ ions for High…

Accelerator Physics · Physics 2017-09-13 P. R. Karns , D. S. Bollinger , A. Sosa

Currently there is a Proposed FNAL 750keV Injector Upgrade for the replacement of the 40 year old Fermi National Laboratory (FNAL) Cockcroft-Walton accelerators with a new ion source and 200MHz Radio Frequency Quadruple (RFQ). The slit type…

Accelerator Physics · Physics 2012-07-31 D. S. Bollinger

A new test stand at FNAL is being constructed to carry out experiments to develop and upgrade the present magnetron-type sources of H- ions of up to 80 mA at 35 keV in the context of the Proton Improvement Plan (PIP). The aim of this plan…

Accelerator Physics · Physics 2015-11-11 A. Sosa , D. S. Bollinger , K. Duel , P. Karns , W. Pellico , C. Y. Tan

A new H^- ion source has been installed successfully and will be used to serve the China Spallation Neutron Source (CSNS). In this paper, we report various components of the ion source, including discharge chamber, temperature, cooling…

A new ion source will be prepared for the CYCLONE30 commercial cyclotron with a much advanced performance compared with the previous one. The newly designed ion source has a very large transparency without deteriorating the beam optics,…

Accelerator Physics · Physics 2013-06-06 Maryam Hosseinzadeh , Hossein Afarideh

Fermilab is dedicated to hosting world-class experiments in search of new physics that will operate in the coming years. The Muon g-2 Experiment is one such experiment that will determine with unprecedented precision the muon anomalous…

The Proton Improvement Plan II (PIP-II) at Fermilab is a program of upgrades to the injection complex. At its core is the design and construction of a CW compatible, pulsed H- SRF linac. To validate the concept of the front-end of such…

We are designing and fabricating two new thermionic sources of magnetized electrons for use in the electron lens project at the Integrable Optics Test Accelerator (IOTA) at Fermilab. These electron sources will be used for cooling of 2.5…

Accelerator Physics · Physics 2022-09-07 M. K. Bossard , N. Banerjee , J. Brandt , Y. -K. Kim , M. Krieg , B. Cathey , S. Nagaitsev , G. Stancari

The Fermilab proton source is capable of providing 8 GeV protons for both the future long-baseline neutrino program (NuMI), and for a new program of low energy muon experiments. In particular, if the 8 GeV protons are rebunched and then…

Accelerator Physics · Physics 2007-05-23 C. Ankenbrandt , D. Bogert , F. DeJongh , S. Geer , D. McGinnis , D. Neuffer , M. Popovic , E. Prebys

We are designing and fabricating two new thermionic sources of magnetized electrons for use in the electron lens project in the Integrable Optics Test Accelerator (IOTA) at Fermilab. These electron sources will be used for cooling 2.5 MeV…

Accelerator Physics · Physics 2023-07-13 M. K. Bossard , J. Brandt , Y. -K. Kim , S. Kladov , N. Banerjee , B. Cathey , G. Stancari , S. Nagaitsev

Ion sources are a critical component of all particle accelerators. They create the initial beam that is accelerated by the rest of the machine. This paper will introduce the many methods of creating a beam for high-power hadron…

Accelerator Physics · Physics 2013-02-18 Dan Faircloth

State of the art high-current superconducting accelerators require efficient RF sources with a fast dynamic phase and power control. This allows for compensation of the phase and amplitude deviations of the accelerating voltage in the…

Accelerator Physics · Physics 2018-06-22 G. Kazakevich , R. Johnson , V. Lebedev , V. Yakovlev

A superconducting RF accelerator test facility is being constructed at Fermilab. The existing New Muon Lab (NML) building is being converted for this facility. The accelerator will consist of an electron gun, injector, beam acceleration…

In order to develop an RF cavity that is applicable for a muon beam cooling channel, a new facility, called Mucool Test Area (MTA) has been built at Fermilab. MTA is a unique facility whose purpose is to test RF cavities in various…

Accelerator Physics · Physics 2019-08-15 Katsuya Yonehara

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

Fermilab is upgrading its Booster synchrotron to increase ramp rate and intensity. This is part of the Proton Improvement Plan (PIP-II) that will allow the Main Injector to achieve proton beam power of 1.2 MW within the next few years. This…

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