Beam Diagnostics by Infrared Time Resolved Detectors

Alessandro Drago,Mariangela Cestelli Guidi,Antonio De Sio,Augusto Marcelli,Emanuele Pace

Abstract

Last generation storage rings, both light sources and colliders, needs many different diagnostic systems to achieve specification goals. Many commercially available diagnostics are used to measure real-time accelerators performance. Nevertheless going towards higher luminosities or lower emittance, diagnostics need to be always more sophisticated. At DAFNE, the LNF e+/e- F-factory, colliding at 1.02 GeV energy in c.m., efforts are carrying on to achieve higher luminosities for the KLOE detector. Given that a ~20-25% discrepancy has been measured between the extrapolated 10 bunches peak luminosity and the standard fill pattern (~100 bunches) one, it is necessary to investigate what really happens and why. Letting apart the trivial case of measurement non-linearity or saturation in KLOE, used as precision luminosity monitor, new diagnostic techniques are needed. A new diagnostics tools, based on infrared time resolved multi-pixels detector and funded by CSNV of INFN is under test at LNF to help this analysis.

Keywords

beam diagnostics, infrared detector, profile monitor, beam instabilities, e-cloud

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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