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A novel method for the absolute fluorescence yield measurement by AIRFLY

Abstract : One of the goals of the AIRFLY (AIR FLuorescence Yield) experiment is to measure the absolute fluorescence yield induced by electrons in air to better than 10% precision. We introduce a new technique for measurement of the absolute fluorescence yield of the 337 nm line that has the advantage of reducing the systematic uncertainty due to the detector calibration. The principle is to compare the measured fluorescence yield to a well known process--the Cherenkov emission. Preliminary measurements taken in the BFT (Beam Test Facility) in Frascati, Italy with 350 MeV electrons are presented. Beam tests in the Argonne Wakefield Accelerator at the Argonne National Laboratory, USA with 14 MeV electrons have also shown that this technique can be applied at lower energies.
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http://hal.in2p3.fr/in2p3-00706778
Contributor : Nicolás Busca <>
Submitted on : Monday, June 11, 2012 - 3:25:46 PM
Last modification on : Wednesday, October 21, 2020 - 4:32:12 PM

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M. Ave, M. Bohacova, B. Buonomo, N.G. Busca, L. Cazon, et al.. A novel method for the absolute fluorescence yield measurement by AIRFLY. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2008, 597, pp.55-60. ⟨10.1016/J.NIMA.2008.08.049⟩. ⟨in2p3-00706778⟩

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