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Construction and performance of the lead-scintillating fiber calorimeter prototypes for the KLOE detector

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TLDR
The KLOE detector is designed primarily for the study of direct CP violation in K0 decays as mentioned in this paper. But it is not suitable for the measurement of the electromagnetic calorimeter, which is the most demanding element of the detector.
Abstract
The KLOE detector is designed primarily for the study of direct CP violation in K0 decays. The electromagnetic calorimeter, EmC, is a most demanding element of the detector. Two prototypes of the EmC (one for the barrel and one for the end-cap region) have been built at Frascati and tested at PSI (Switzerland) using beams of electrons, muons and pions of 40 to 290 MeV/c momentum, and at the Frascati LADON facility using photons of 20 to 80 MeV. We observe excellent linearity from 20 to 290 MeV. The energy resolution is σ(E)/E ∼ 4.4% / ”E(GeV) and the time resolution is ∼ 34 ps/”E(GeV). We found little dependence on incidence angle and entry position. We also determined that some πμ identification is possible.

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Citations
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Journal ArticleDOI

Performance of the prototype module of the GlueX electromagnetic barrel calorimeter

TL;DR: A photon beam test of the lead/scintillating-fibre module for the GlueX-electromagnetic barrel calorimeter was carried out in Hall B at the Thomas Jefferson National Accelerator Facility with the objective of measuring the energy and timing resolutions of the module as well as the number of photoelectrons generated as discussed by the authors.
Journal ArticleDOI

Measurement and Simulation of the Neutron Response and Detection Efficiency of a Pb-Scintillating Fiber Calorimeter

TL;DR: In this article, the authors measured the overall detection efficiency to neutrons of a small prototype of the KLOE Pb-scintillating fiber calorimeter in the kinetic energy range 5-175 MeV using the neutron beam facility of The Svedberg Laboratory, TSL, Uppsala.
References
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Journal ArticleDOI

A high-resolution lead /scintillating fiber electromagnetic calorimeter

TL;DR: In this paper, the average resolution of these detectors is determined to be σ/E ≈ 6.3%/√E (GeV) using a 300-element array of such modules.
Journal ArticleDOI

Fibre calorimeters: Dense, fast, radiation resistant

TL;DR: The Omega Inner Calorimeter as mentioned in this paper is a dense electromagnetic calorimeter made of scintillating fibres embedded in grooved Pb sheets or similar configuration, which is entering its third year of successful operation.
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