Bulletin of the American Physical Society
APS April Meeting 2015
Volume 60, Number 4
Saturday–Tuesday, April 11–14, 2015; Baltimore, Maryland
Session K11: Invited Session: Beam Physics in Support of Next Generation Facilities |
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Sponsoring Units: DNP DPB Chair: Jerry Nolen, Argonne National Laboratory Room: Key 7 |
Sunday, April 12, 2015 1:30PM - 2:06PM |
K11.00001: ABSTRACT WITHDRAWN |
Sunday, April 12, 2015 2:06PM - 2:42PM |
K11.00002: Prospects for Next-Generation Storage Ring Light Sources Invited Speaker: Michael Borland Storage ring light sources are among the most productive large-scale scientific user facilities in existence, owing to a combination of broad tunability, mature technology, high capacity, remarkable reliability, and high performance. The most commonly-used performance measure is the photon beam brightness, which is proportional to the flux per unit volume in six-dimensional phase space. The brightness is generally maximized by minimizing the transverse phase space area, or emittance, of the electron beam that generates the photons. Since the 1990's, most storage ring light sources have used a variant of the Chasman-Green, or double-bend-achromat (DBA), lattice, which produces transverse emittances of several nanometers. Presently, several light sources are under construction based on more challenging multi-bend-achromat (MBA) concepts, which promise an order of magnitude reduction in the emittance. Somewhat larger reductions are contemplated for upgrades of the largest facilities. This talk briefly surveys the relevant concepts in light source design, then explains both the mechanism and challenge of achieving next-generation emittances. Other factors, such as improved radiation-emitting devices, are also described. [Preview Abstract] |
Sunday, April 12, 2015 2:42PM - 3:18PM |
K11.00003: Beam Dynamics Considerations in Electron Ion Colliders Invited Speaker: Geoffrey Krafft The nuclear physics community is converging on the idea that the next large project after FRIB should be an electron-ion collider. Both Brookhaven National Lab and Thomas Jefferson National Accelerator Facility have developed accelerator designs, both of which need novel solutions to accelerator physics problems. In this talk we discuss some of the problems that must be solved and their solutions. Examples in novel beam optics systems, beam cooling, and beam polarization control will be presented. [Preview Abstract] |
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