Author: Romanov, A.L.
Paper Title Page
Experimental Demonstration of Optical Stochastic Cooling  
  • J.D. Jarvis, D.R. Broemmelsiek, K. Carlson, D.R. Edstrom, D. Franck, V.A. Lebedev, S. Nagaitsev, O. Obrycki, 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
  Funding: Fermi National Accelerator Laboratory is operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy.
Simon van der Meer’s Stochastic Cooling (SC) was vital in the discovery of the W and Z bosons in 1983 as it enabled sufficient accumulation of antiprotons and delivery of the required beam quality*. This execution of the innovative SC concept promptly earned van der Meer a share of the 1984 Nobel Prize in Physics. A terahertz-bandwidth extension of SC was proposed in 1993 by Mikhailichenko and Zolotorev**. This Optical Stochastic Cooling (OSC) used visible or infrared light rather than microwaves and was extended shortly after by Zolotorev and Zholents to the so-called transit-time method of OSC***. The world’s first experimental demonstration of OSC has just concluded at Fermilab’s Integrable Optics Test Accelerator (IOTA) ring. In this presentation, we will describe the OSC concept, the IOTA ring and OSC apparatus and then present the first experimental results for cooling and heating in one, two and three dimensions. We will also describe experimental studies of a single electron interacting with itself via the OSC physics.
* S. van der Meer, CERN-ISR-PO-72-31 (1972)
** A.A.Mikhailichkenko, M.S. Zolotorev, Phys. Rev. Lett. 71 (25), p. 4146 (1993)
*** M. S. Zolotorev, A. A. Zholents, Phys. Rev. E 50 (4), p. 3087 (1994)
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