IOTA (Integrable Optics Test Accelerator): facility and experimental beam physics program

S.P.Antipov,; Broemmelsiek, D.; Bruhwiler, David L.; Edstrom, Dean; Harms, E.; Lebedev, V.; Leibfritz, J.; Nagaitsev, Sergei; Park, Chong Shik; Piekarz, H.; Piot, Philippe; Prebys, E.; Romanov, Alexander; Ruan, J.; Sen, T.; Stancari, G.; Thangaraj, Charles; Thurman‐Keup, R.; Valishev, Alexander; Shiltsev, Vladimir

doi:10.1088/1748-0221/12/03/t03002

Cited by 110 publications

(140 citation statements)

References 68 publications

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“…The achieved beam parameters-energy, intensity, stability and emittance-fully meet the specifications of the program of accelerator R&D at the IOTA ring toward intensity frontier beams [19,46]. Besides this main goal, we plan to continue exploration of the SRF system performance with full ILC-type beam pulse specifications, such as 5 Hz repetition rate and up to 1 ms beam pulse length.…”

Section: Resultsmentioning

confidence: 88%

“…Table 3 presents main parameters of the linac beam. The FAST beamline is well equipped with necessary types of beam diagnostics (see details in [19]): beam position monitors (BPMs), transverse profile monitors to measure beam size, resistive wall current monitors to measure beam current and loss monitors to measure beam losses and serve as the primary protection element in the machine protection system, while the beam energy is measured with the help of two spectrometer magnets D122 and D600.…”

Section: Record High Gradient Beam Accelerationmentioning

confidence: 99%

“…The cavities were tested in vertical and horizontal test stands (HTS) at Jefferson Lab and Fermilab and all reached gradients in the range 33-41 MV m −1 before quenching [15]. The assembled CM2 was installed at the Fermilab Accelerator Science and Technology (FAST) facility [19] which houses the necessary 2K cryogenics and RF infrastructure for high power and beam testing, as shown in figure 1.…”

Section: Introductionmentioning

confidence: 99%

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Record high-gradient SRF beam acceleration at Fermilab

et al. 2018

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Many modern and future particle accelerators employ high gradient superconducting RF (SRF) to generate beams of high energy, high intensity and high brightness for research in high energy and nuclear physics, basic energy sciences, etc. In this paper we report the record performance large-scale SRF system with average beam accelerating gradient matching the International Linear Collider (ILC) specification of 31.5 MV m −1 . Design of the eight cavity 1.3 GHz SRF cryomodule, its performance without the beam and results of the system commissioning with high intensity electron beam at Fermilab Accelerator Science and Technology (FAST) facility are presented. We also briefly discuss opportunities for further beam studies and tests at FAST including those on even higher gradient and more efficient SRF acceleration, as well as exploration of the system performance with full ILC-type beam specifications.

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Section: Resultsmentioning

confidence: 88%

Section: Record High Gradient Beam Accelerationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Record high-gradient SRF beam acceleration at Fermilab

et al. 2018

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“…The Integrable Optics Test Accelerator (IOTA) and Fermilab Accelerator Science & Technology (FAST) facility were created for advanced accelerator R&D and beam physics research [10]. The IOTA ring was commissioned for electron beam studies earlier this year and will be commissioned for proton beam studies starting in 2020 [11].…”

Section: Fast/iota Researchmentioning

confidence: 99%

Novel Approaches to High-Power Proton Beams [Slides]

Eldred

2019

21st International Workshop on Neutrinos From Accelerators (NUFACT 2019), Daegu (Korea), 26-31 Aug 2019

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The potentially realizable beam power at the Fermilab long-baseline neutrino program has motivated a reinvigorated design and optimization effort for a rapid-cycling synchrotron (RCS) intensity upgrade of the Fermilab proton complex. We examine areas of technological development with the potential for high-impact on the Fermilab RCS design -low-loss slip-stacking, advanced neutrino-target R&D, laser-stripping H − injection, fast-ramping super-ferric magnets, nonlinear integrable optics, electron lens devices, and next-generation halo monitors. A brief overview is given on the Fermilab Accelerator Science & Technology (FAST) facility, where the latter three technologies will undergo comprehensive beam tests.

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“…This approach leads to general insights about how the fields and characteristic impedances depend on kicker geometry. This study was motivated by the need of these kickers for generating beam echoes in the IOTA ring at Fermilab [10]. The small size of this ring (40 m circumference) calls for compact kickers.…”

Section: Introductionmentioning

confidence: 99%

Fields and characteristic impedances of dipole and quadrupole cylindrical stripline kickers

Sen

Ostiguy

2020

Phys. Rev. Accel. Beams

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We present semi-analytical methods for calculating the electromagnetic field in dipole and quadrupole stripline kickers with curved plates of infinitesimal thickness. Two different methods are used to solve Laplace's equation by reducing it either to a single or to two coupled matrix equations; they are shown to yield equivalent results. Approximate analytic solutions for the lowest order fields (dipole or quadrupole) are presented and their useful range of validity are shown. The kickers plates define a set of coupled transmission lines and the characteristic impedances of modes relevant to each configuration are calculated. The solutions are compared with those obtained from a finite element solver and found to be in good agreement. Mode matching to an external impedance determines the kicker geometry and this is discussed for both kicker types. We show that a heuristic scaling law can be used to determine the dependence of the characteristic impedance on plate thickness. The solutions found by semi-analytical methods can be used as a starting point for a more detailed kicker design. * tsen@fnal.gov 1 arXiv:1910.06951v2 [physics.acc-ph]

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IOTA (Integrable Optics Test Accelerator): facility and experimental beam physics program

Cited by 110 publications

References 68 publications

Record high-gradient SRF beam acceleration at Fermilab

Record high-gradient SRF beam acceleration at Fermilab

Novel Approaches to High-Power Proton Beams [Slides]

Fields and characteristic impedances of dipole and quadrupole cylindrical stripline kickers

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