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A Quartz Cherenkov Detector for Compton-Polarimetry at Future e+e- Colliders

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arxiv 1502.06955 v2 pith:LHXO5V5Z submitted 2015-02-23 physics.ins-det hep-ex

Jenny List , Annika Vauth , Benedikt Vormwald This is my paper · ORCID
classification physics.ins-dethep-ex
keywords detectorcherenkovcomptonpolarimetersquartzcolliderselectronsfuture
verification ladder T0 review T1 audit T2 compute T3 formal
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Precision polarimetry is essential for future e+ e- colliders and requires Compton polarimeters designed for negligible statistical uncertainties. In this paper, we discuss the design and construction of a quartz Cherenkov detector for such Compton polarimeters. The detector concept has been developed with regard to the main systematic uncertainties of the polarisation measurements, namely the linearity of the detector response and detector alignment. Simulation studies presented here imply that the light yield reachable by using quartz as Cherenkov medium allows to resolve in the Cherenkov photon spectra individual peaks corresponding to different numbers of Compton electrons. The benefits of the application of a detector with such single-peak resolution to the polarisation measurement are shown for the example of the upstream polarimeters foreseen at the International Linear Collider. Results of a first testbeam campaign with a four-channel prototype confirming simulation predictions for single electrons are presented.

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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. Tests of the Standard Model at the International Linear Collider

    hep-ex 2019-08 conditional novelty 5.0 of 10

    The paper projects that a polarized e+e- collider at 250 GeV to 1 TeV would measure most Higgs couplings to sub-percent precision and improve many electroweak observables by an order of magnitude.

  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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