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| Journal Article | PUBDB-2025-03792 |
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2026
Inst. of Physics
London
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Please use a persistent id in citations: doi:10.1088/1748-0221/21/07/P07006 doi:10.3204/PUBDB-2025-03792
Abstract: We developed a novel apparatus based on a lead-glass calorimeter that can measure the flux of high-energy electrons or photons. Our detector uses the electromagnetic shower leakage from the beam dump, where the particles are disposed of at the beamline's end. A prototype of such a calorimeter was set up at the FLASHForward experiment at DESY. We show that it can measure the electron bunch charge with a typical precision on the order of 10% and an accuracy at the few-percent level. Additionally, it is capable of determining the beam's position with a precision on the order of tens of micrometers. Finally, we demonstrate applicability to high-energy photons.
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Preprint
A dump leakage calorimeter to measure the flux of high-energy electrons and photons
(2025) [10.3204/PUBDB-2025-03784]
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