Author: Valishev, A.
Paper Title Page
TUZD4
Plans for Future Energy Frontier Accelerators to Drive Particle Physics Discovery  
 
  • M. Turner
    LBNL, Berkeley, California, USA
  • M.A. Palmer
    BNL, Upton, New York, USA
  • N. Pastrone
    INFN-Torino, Torino, Italy
  • J.Y. Tang
    IHEP, Beijing, People’s Republic of China
  • A. Valishev
    Fermilab, Batavia, Illinois, USA
 
  The U.S. Particle Physics Community Planning Exercise, "Snowmass 2021", is nearing completion. This process provides input for the Particle Physics Project Prioritization Panel (P5), which will develop a ~10 year scientific vision for the future of the U.S. high energy physics program. High energy particle colliders are the most promising tools to test the Standard Model and have been on the discovery forefront for the past 50 years. A future collider may also enable exploration of e.g., new particles and interactions, physics beyond the SM and dark matter. Several future multi-TeV collider concepts were considered during Snowmass. A range of issues were discussed, including: their physics reach, their level of maturity, the potential machine routes, timelines, R&D requirements, and common issues for these very high energy machines such as energy efficiency and cost. We will compare future collider concepts (1-100 TeV center-of-mass energy range (or beyond)) based on their physics potential, technology R&D required, and potential timelines. The aim is to explore possible strategies towards a next-generation multi-TeV collider to enable discoveries at the energy frontier.  
slides icon Slides TUZD4 [1.675 MB]  
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TUZE1 Experimental Phase-Space Tracking of a Single Electron in a Storage Ring 329
 
  • A.L. Romanov, J.K. Santucci, G. Stancari, A. Valishev
    Fermilab, Batavia, Illinois, USA
 
  This paper presents the results of the first ever experimental tracking of the betatron and synchrotron phases for a single electron in the Fermilab’s IOTA ring. The reported technology makes it is possible to fully track a single electron in a storage ring, which requires tracking of amplitudes and phases for both, slow synchrotron and fast betatron oscillations.  
slides icon Slides TUZE1 [3.600 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-NAPAC2022-TUZE1  
About • Received ※ 08 August 2022 — Revised ※ 11 August 2022 — Accepted ※ 21 August 2022 — Issue date ※ 27 August 2022
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TUPA02 Characterization of Octupole Elements for IOTA 351
 
  • J.N. Wieland
    MSU, East Lansing, Michigan, USA
  • J.D. Jarvis, A.L. Romanov, A. Valishev
    Fermilab, Batavia, Illinois, USA
 
  Funding: Work partially supported by the US Department of Energy, Office of Science, High Energy Physics under Cooperative Agreement award number DE-SC0018362 and Michigan State University.
The Integrable Optics Test Accelerator (IOTA) is a research storage ring constructed and operated at Fermilab to demonstrate the advantages of nonlinear integrable lattices. One of the nonlinear lattice configurations with one integral of motion is based on a string of short octupoles. The results of the individual magnet’s characterizations, which were necessary to determine their multipole composition and magnetic centers, are presented. This information was used to select and align the best subset of octupoles for the IOTA run 4.
 
DOI • reference for this paper ※ doi:10.18429/JACoW-NAPAC2022-TUPA02  
About • Received ※ 03 August 2022 — Revised ※ 08 August 2022 — Accepted ※ 09 August 2022 — Issue date ※ 08 September 2022
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FRXD1
Demonstration of Optical Stochastic Cooling in an Electron Storage Ring  
 
  • J.D. Jarvis, D.R. Broemmelsiek, K. Carlson, D.R. Edstrom, V.A. Lebedev, S. Nagaitsev, H. Piekarz, A.L. Romanov, J. Ruan, J.K. Santucci, G. Stancari, A. Valishev
    Fermilab, Batavia, Illinois, USA
  • S. Chattopadhyay, A.J. Dick, P. Piot
    Northern Illinois University, DeKalb, Illinois, USA
  • I. Lobach
    University of Chicago, Chicago, Illinois, USA
 
  Optical stochastic cooling (OSC), proposed nearly thirty years ago, replaces the conventional microwave elements of stochastic cooling (SC) with optical-frequency analogs, such as undulators, optical lenses and optical amplifiers. Here we discuss the first experimental observation of OSC, which was performed at the Fermi National Accelerator Laboratory’s Integrable Optics Test Accelerator (IOTA) with 100-MeV electrons and a radiation wavelength of 950 nm. The experiment employed a non-amplified configuration of OSC and achieved a longitudinal damping rate close to one order of magnitude larger than the beam’s natural damping due to synchrotron radiation. The integrated system demonstrated sub-femtosecond stability and a bandwidth of ~20 THz, a factor of ~2000-times higher than conventional microwave SC systems. Coupling to the transverse planes enabled simultaneous cooling of the beam in all degrees of freedom. This first demonstration of SC at optical frequencies serves as a foundation for more advanced experiments with high-gain optical amplification and advances opportunities for future operational OSC systems at colliders and other accelerator facilities.  
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