Lattice design of the integrable optics test accelerator and optical stochastic cooling experiment at Fermilab

Kafka, Gene

doi:10.2172/1209537

Cited by 3 publications

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The five quadrupoles between two outer bends are used to manipulate the optics to get adequate OSC cooling parameters. Four sextupoles are added to eliminate the nonlinearity of the flight path [18]. The Twiss parameters β x , β y , and dispersion η x of the 2mm-delay bypass line are shown in Fig.…”

Section: Bypass Latticementioning

confidence: 99%

Simulation of the transit-time optical stochastic cooling process in the Cornell Electron Storage Ring

Wang

Andorf

Bazarov

et al. 2021

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

In preparation for a demonstration of optical stochastic cooling in the Cornell Electron Storage Ring (CESR) we have developed a particle tracking simulation to study the relevant beam dynamics. Optical radiation emitted in the pickup undulator gives a momentum kick to that same particle in the kicker undulator. The optics of the electron bypass from pickup to kicker couples betatron amplitude and momentum offset to path length so that the momentum kick reduces emittance and momentum spread. Nearby electrons contribute an incoherent noise. Layout of the bypass line is presented that accommodates optics with a range of transverse and longitudinal cooling parameters. The simulation is used to determine cooling rates and their dependence on bunch and lattice parameters for bypass optics with distinct emittance and momentum acceptance.

show abstract

Section: Bypass Latticementioning

confidence: 99%

Simulation of the transit-time optical stochastic cooling process in the Cornell Electron Storage Ring

Wang

Andorf

Bazarov

et al. 2021

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

show abstract

“…With this kick, the horizontal damping rate is marginally faster than that from synchrotron radiation damping at 1 GeV. 2 As in the dog-leg chicane [18,19], nonlinear path lengthening is corrected with sextupoles within the arc bypass. The distribution of sextupoles outside of the bypass is optimized for dynamic aperture and to compensate chromaticity.…”

Section: Arc-bypass Designmentioning

confidence: 99%

Optical stochastic cooling with an arc bypass in the Cornell Electron Storage Ring

Andorf

Bergan

Bazarov

et al. 2020

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

A proposed experiment to demonstrate optical stochastic cooling (OSC) in the Cornell Electron Storage Ring (CESR) based on an arc-bypass design is presented. This arc bypass provides significantly longer optical delay than the dog-leg style chicane, opening up the possibility of a multipass or staged optical amplifier that can achieve the gains required for effective cooling of hadron or heavy ions. Beyond introducing the arc bypass, in this paper we study the stability requirements for the dipoles comprising it and investigate the use of an optical feedback system to relax the dipole and light-path stability tolerances.

show abstract

“…As in the dog-leg chicane [18,19], nonlinear path lengthening is corrected with sextupoles within the arc bypass. The distribution of sextupoles outside of the bypass is optimized for dynamic aperture and to compensate chromaticity.…”

Section: Arc-bypass Designmentioning

confidence: 99%

Optical Stochastic Cooling with an Arc-Bypass in CESR

Andorf,

Bergan,

Bazarov

et al. 2020

Preprint

View full text Add to dashboard Cite

A proposed experiment to demonstrate Optical Stochastic Cooling (OSC) in the Cornell Electron Storage Ring (CESR) based on an arc-bypass design is presented. This arc-bypass provides significantly longer optical delay than the dog-leg style chicane, opening up the possibility of a multi-pass or staged optical amplifier that can achieve the gains required for effective cooling of hadron or heavy-ions. Beyond introducing the arc-bypass, in this paper we study the stability requirements for the dipoles comprising it and investigate the use of an optical feedback system to relax the dipole and light-path stability tolerances.

show abstract

Lattice design of the integrable optics test accelerator and optical stochastic cooling experiment at Fermilab

Abstract: The IOTA ring layout with the location of 3 experiments. .. .. 4.2 3D drawings of the 60 • (left) and 30 • (right) dipoles for the IOTA ring.

Cited by 3 publications

References 11 publications

Simulation of the transit-time optical stochastic cooling process in the Cornell Electron Storage Ring

Simulation of the transit-time optical stochastic cooling process in the Cornell Electron Storage Ring

Optical stochastic cooling with an arc bypass in the Cornell Electron Storage Ring

Optical Stochastic Cooling with an Arc-Bypass in CESR

Contact Info

Product

Resources

About