Bulletin of the American Physical Society
2007 APS April Meeting
Volume 52, Number 3
Saturday–Tuesday, April 14–17, 2007; Jacksonville, Florida
Session X9: Cooling of Beams |
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Sponsoring Units: DNP DPB Chair: Thomas Roser, Brookhaven National Laboratory Room: Hyatt Regency Jacksonville Riverfront City Terrace 5 |
Tuesday, April 17, 2007 10:45AM - 11:21AM |
X9.00001: Cooling at BNL Invited Speaker: Cooling stored hadron beams leads to improvement in the luminosity of colliders. At BNL, in collaboration with variousother institutions, we carry out research and development of various techniques aimed at cooling RHIC, the Relativistic Heavy Ion Collider. These include electron cooling, microwave stochastic cooling and optical stochastic cooling. In this talk I will describe the challenges associated with cooling a high-energy ion beam, the techniques being pursued and the benefits to the RHIC program, including a possible electron ion collider, eRHIC. [Preview Abstract] |
Tuesday, April 17, 2007 11:21AM - 11:57AM |
X9.00002: Cooling and Stacking of Antiprotons in Fermilab. Invited Speaker: Presently, almost half of antiprotons delivered to the high energy in the Tevatron collider is consumed (burned) in the proton-antiproton collisions. While some improvements in the percentage of antiprotons burned in the collisions are expected the major fraction of further luminosity growth is related to improvements of antiproton production and cooling. Both stochastic and electron coolings are used in the Tevatron complex. Most of the FY-2007 efforts were devoted to improve the stack-tail stochastic cooling system and the beam loss at the antiproton transfers. The report presents recent developments related the antiproton production, stochastic and electron cooling and transfers. Plans for further improvements are also discussed. [Preview Abstract] |
Tuesday, April 17, 2007 11:57AM - 12:33PM |
X9.00003: Particle beam dynamics in the Optical Stochastic Cooling Invited Speaker: The longitudinal and transverse damping dynamics for the optical stochastic cooling (OSC) are studied. This talk will review the necessary condition for the beam bypass optics in the transit-time method, the requirement of the laser amplification factor, and the effect of laser bandwidth on damping rate. Current proposals for the OSC demonstration will be discussed. We will also explore possible applications of the OSC. [Preview Abstract] |
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