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Performance and Moli`ere radius measurements using a compact prototype of LumiCal in an electron test beam

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arxiv 1812.11426 v2 pith:ZQZGK775 submitted 2018-12-29 physics.ins-det

classification physics.ins-det
keywords compactdetectorelectronlumicalmoliprototyperadiusbeam
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

A new design of a detector plane of sub-millimetre thickness for an electromagnetic sampling calorimeter is presented. It is intended to be used in the luminometers LumiCal and BeamCal in future linear $e^+e^-$ collider experiments. The detector planes were produced utilising novel connectivity scheme technologies. They were installed in a compact prototype of the calorimeter and tested at DESY with an electron beam of energy 1-5 GeV. The performance of a prototype of a compact LumiCal comprising eight detector planes was studied. The effective Moli`ere radius at 5 GeV was determined to be (8.1 +/- 0.1 (stat) +/- 0.3 (syst)) mm, a value well reproduced by the Monte Carlo (MC) simulation (8.4 +/- 0.1) mm. The dependence of the effective Moli`ere radius on the electron energy in the range 1-5 GeV was also studied. Good agreement was obtained between data and MC simulation.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Novel Silicon and GaAs Sensors for Compact Sampling Calorimeters

    physics.ins-det 2025-01 conditional novelty 6.0 of 10

    A test-beam study shows silicon and GaAs pad sensors with edge readout meet signal-to-noise requirements for a compact calorimeter, with GaAs showing a notable signal drop between pads.

  2. Letter of Intent for the LUXE Experiment

    physics.ins-det 2019-09 unverdicted novelty 4.0 of 10

    LUXE is a proposed experiment to collide XFEL electrons or bremsstrahlung photons with a 30-300 TW laser, reaching laser intensity parameter ξ up to 16 and quantum parameter χ up to 3.3.

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