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Single particle detection system for strong-field QED experiments

Salgado, F. C. ; Cavanagh, N. ; Tamburini, M. ; Storey, D. W. ; Beyer, R. ; Bucksbaum, P. H. ; Chen, Z. ; Di Piazza, A. ; Gerstmayr, E. ; Harsh, H. ; Isele, E. ; Junghans, A. R. ; Keitel, C. H. ; Kuschel, S. ; Nielsen, C. F. ; Reis, D. A. ; Roedel, C. ; Sarri, G. ; Seidel, A. ; Schneider, C. ; Uggerhøj, U. I. ; Wulff, J. ; Yakimenko, V. ; Zepter, C. ; Meuren, S. ; Zepf, M. (2024)
Single particle detection system for strong-field QED experiments.
In: New Journal of Physics, 2021, 24 (1)
doi: 10.26083/tuprints-00020361
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Single particle detection system for strong-field QED experiments
Language: English
Date: 19 March 2024
Place of Publication: Darmstadt
Year of primary publication: 2021
Place of primary publication: London
Publisher: IOP Publishing
Journal or Publication Title: New Journal of Physics
Volume of the journal: 24
Issue Number: 1
Collation: 16 Seiten
DOI: 10.26083/tuprints-00020361
Corresponding Links:
Origin: Secondary publication DeepGreen
Abstract:

Measuring signatures of strong-field quantum electrodynamics (SF-QED) processes in an intense laser field is an experimental challenge: it requires detectors to be highly sensitive to single electrons and positrons in the presence of the typically very strong x-ray and γ-photon background levels. In this paper, we describe a particle detector capable of diagnosing single leptons from SF-QED interactions and discuss the background level simulations for the upcoming Experiment-320 at FACET-II (SLAC National Accelerator Laboratory). The single particle detection system described here combines pixelated scintillation LYSO screens and a Cherenkov calorimeter. We detail the performance of the system using simulations and a calibration of the Cherenkov detector at the ELBE accelerator. Single 3 GeV leptons are expected to produce approximately 537 detectable photons in a single calorimeter channel. This signal is compared to Monte-Carlo simulations of the experiment. A signal-to-noise ratio of 18 in a single Cherenkov calorimeter detector is expected and a spectral resolution of 2% is achieved using the pixelated LYSO screens.

Uncontrolled Keywords: strong-field QED, pair-creation, single-particle detection, Cherenkov calorimeter, Breit–Wheeler process
Identification Number: Artikel-ID: 015002
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-203617
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 19 Mar 2024 10:03
Last Modified: 21 Jun 2024 07:15
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20361
PPN: 519276922
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