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Measurement of the luminosity at the DAFNE collider upgraded with the crab waist scheme

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arxiv 0909.1913 v1 pith:XHHR4QNB submitted 2009-09-10 hep-ex

Measurement of the luminosity at the DAFNE collider upgraded with the crab waist scheme

classification hep-ex
keywords dafnebhabhaconditionscrabluminositymeasurementschemewaist
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The test of the crab waist collision scheme, undergoing at the e+e- Frascati DAFNE accelerator complex since February 2008, requires a fast and accurate measurement of the absolute luminosity, as well as a full characterization of the background conditions. Three different monitors, a Bhabha calorimeter, a Bhabha GEM tracker and a gamma bremsstrahlung proportional counter have been designed, tested and installed around the interaction point end of 2007-beginning of 2008. In this paper, we describe these detectors and present their performances in various operation conditions during the 2008 and 2009 DAFNE runs.

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