The Low Energy Tagger for the KLOE-2 experiment
D. Babusci, C. Bini, P. Ciambrone, G. Corradi, A. De Santis, G. De, Zorzi, A. Di Domenico, S. Fiore, P. Gauzzi, M. Iannarelli, S. Miscetti, C., Paglia, D. Tagnani, E. Turri
TL;DR
The paper describes the design and implementation of a low-energy tagger calorimeter for the KLOE-2 experiment, aimed at detecting gamma-gamma interactions with high energy resolution using LYSO crystals and Silicon Photomultipliers.
Contribution
It introduces a novel calorimeter setup with LYSO crystals and SiPMs for improved low-energy e+e- detection in the KLOE-2 experiment.
Findings
Achieved energy resolution better than 8% at 200 MeV.
Successfully integrated the calorimeter within the KLOE-2 detector setup.
Enhanced gamma-gamma interaction identification capabilities.
Abstract
The KLOE experiment at the upgraded DAFNE e+e- collider in Frascati (KLOE-2) is going to start a new data taking at the beginning of 2010 with its detector upgraded with a tagging system for the identification of gamma-gamma interactions. The tagging stations for low-energy e+e- will consist in two calorimeters The calorimeter used to detect low-energy e+e- will be placed between the beam-pipe outer support structure and the inner wall of the KLOE drift chamber. This calorimeter will be made of LYSO crystals readout by Silicon Photomultipliers, to achieve an energy resolution better than 8% at 200 MeV.
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