English
Related papers

Related papers: Electron lenses and cooling for the Fermilab Integ…

200 papers

Electron lenses are pulsed, magnetically confined electron beams whose current-density profile is shaped to obtain the desired effect on the circulating beam. Electron lenses were used in the Fermilab Tevatron collider for bunch-by-bunch…

Accelerator Physics · Physics 2014-09-15 Giulio Stancari

The Integrable Optics Test Accelerator (IOTA) at Fermilab is a small machine dedicated to a broad frontier accelerator physics program. An important aspect of this program is to investigate the potential benefits of the resonance free tune…

Accelerator Physics · Physics 2022-01-06 David Feigelson , Tanaji Sen , Jean-Francois Ostiguy , Runze Li

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

The McMillan system is a novel method to increase the tune spread of a beam without decreasing its dynamic aperture due to the systems integrability. While the ideal system is based on an infinitely thin kick, the physical design requires a…

Accelerator Physics · Physics 2022-09-02 B. Cathey , G. Stancari , T. Zolkin

A new 150 MeV electron storage ring is being built at Fermilab. The construction of a new machine pursues two goals: A test of highly non-linear integrable optics and a test of optical stochastic cooling. This paper discusses details of OSC…

Accelerator Physics · Physics 2014-09-22 V. A. Lebedev , Yu. Tokpanov , M. S. Zolotorev

Many present and future accelerators must operate with high intensity beams when distortions induced by space charge forces are among major limiting factors. Betatron tune depression of above approximately 0.1 per cell leads to significant…

Accelerator Physics · Physics 2018-05-09 A. Romanov , A. Valishev , D. L. Bruhwiler , N. Cook , C. Hall

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

Integrable optics is an innovation in particle accelerator design that enables strong nonlinear focusing without generating parametric resonances. We use the Synergia tracking code to investigate the application of integrable optics to…

Accelerator Physics · Physics 2018-05-08 J. Eldred , A. Valishev

Nonlinear, completely integrable Hamiltonian systems that serve as blueprints for novel particle accelerators at the intensity frontier are promising avenues for research, as Fermilab's Integrable Optics Test Accelerator (IOTA) example…

Accelerator Physics · Physics 2024-07-08 Bela Erdelyi , Kevin Hamilton , Jacob Pratscher , Marie Swartz

Beam cooling enables an increase of peak and average luminosities and significantly expands the discovery potential of colliders; therefore, it is an indispensable component of any modern design. Optical Stochastic Cooling (OSC) is a…

Accelerator Physics · Physics 2018-08-27 J. D. Jarvis , V. Lebedev , H. Piekarz , A. L. Romanov , J. Ruan , M. B. Andorf , P. Piot

At Integrable Optics Test Accelerator it is possible to create a nonlinear focusing optics with one invariant of motion using just conventional magnets. 6D simulations show that this will allow to achieve a tune spread of 0.05 without…

Accelerator Physics · Physics 2015-02-06 S. A. Antipov , S. Nagaitsev , A. Valishev

We built a test stand for evaluating the performance of the thermionic electron sources for the electron lens project at the Integrable Optics Test Accelerator (IOTA) in Fermilab. The lens will be used to study nonlinear dynamics and…

Accelerator Physics · Physics 2023-07-06 S. Kladov , M. Bossard , J. Brandt , Y-K. Kim , N. Banerjee , G. Stancari , B. Cathey , S. Nagaitsev

Modern and future particle accelerators employ increasingly higher intensity and brighter beams of charged particles and become operationally limited by coherent beam instabilities. Usual methods to control the instabilities, such as…

Accelerator Physics · Physics 2017-10-04 Vladimir Shiltsev , Yuri Alexahin , Alexey Burov , Alexander Valishev

The IOTA Proton Injector (IPI), currently under installation at the Fermilab Accelerator Science and Technology facility, is a beamline capable of delivering 20-mA pulses of protons at 2.5 MeV to the Integrable Optics Test Accelerator…

Accelerator Physics · Physics 2023-05-18 D. Edstrom , D. Broemmelsiek , K. Carlson , J. -P. Carneiro , H. Piekarz , A. Romanov , A. Shemyakin , A. Valishev

Integrable optics is an innovation in particle accelerator design that potentially enables a greater betatron tune spread and damps collective instabilities. An integrable rapid-cycling synchrotron (RCS) would be an effective replacement…

Accelerator Physics · Physics 2017-04-05 Jeffrey Eldred , Alexander Valishev

Plasma lensing provides compact focusing of electron beams, since they offer strong focusing fields (kT/m) in both planes simultaneously. This becomes particularly important for highly diverging beams with a large energy spread such as…

Accelerator Physics · Physics 2026-05-21 P. Drobniak , E. Adli , H. B. Anderson , K. N. Sjobak , C. A. Lindstrøm , A. Dyson , S. M. Mewes , M. Thévenet

Conventional particle accelerators use linear focusing forces for transverse confinement. As a consequence of linearity, accelerating rings are sensitive to myriad resonances and instabilities. At high beam intensity, uncontrolled…

Accelerator Physics · Physics 2018-08-31 Kiersten Ruisard

FAST is a facility at Fermilab that consists of a photoinjector, two superconducting capture cavities, one superconducting ILC-style cryomodule, and a small ring for studying non-linear, integrable beam optics called IOTA. This paper…

Accelerator Physics · Physics 2018-03-06 R. Thurman-Keup , A. H. Lumpkin , J. Thangaraj

Integrable nonlinear motion in accelerators has the potential to introduce a large betatron tune spread to suppress instabilities and to mitigate the effects of space charge and magnetic field errors. To create such an accelerator lattice…

Accelerator Physics · Physics 2012-07-18 S. Nagaitsev , V. Danilov

The current program at Fermilab involves the construction of a new superconducting linear accelerator (LINAC) to replace the existing warm version. The new LINAC, together with other planned improvements, is in support of proton beam…

Accelerator Physics · Physics 2023-10-03 R. Thurman-Keup , T. Folan , M. Mwaniki , S. Sas-Pawlik