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URLhttps://doi.org/10.18429/JACoW-IPAC2024-WEPG21
TitleUpdates on the Cornell cryo-MTE-meter beamline
Authors
  • C. Zhang, A. Bartnik, E. Echeverria, C. Pennington, C. Pierce, A. Flint
    Cornell University (CLASSE)
  • A. Galdi
    Università degli Studi di Salerno
  • J. Maxson
    Cornell University
  • W. Li
    Brookhaven National Laboratory
AbstractA critical factor in determining the limit of the brightness of an electron beam is the mean transverse energy (MTE) of its source, which describes the spread in transverse momentum of electrons at the moment of emission from the source. To increase beam brightness, there has been much work in growing novel photocathodes with low MTE and high quantum efficiency (QE) near threshold photoemission excitation energies. Therefore, it is important to have a testing platform for accurately measuring the MTE of a cathode over a range of cryogenic temperatures and photoexcitation energies, with self-consistent results across multiple measurement techniques. Here, we will discuss the characterization and operation of the Cornell Cryo-MTE-Meter beamline which aims to fulfill these criteria for a robust photocathode testing platform.
Paperdownload: WEPG21.pdf
CiteBibTeX, LaTeX, Text/Word, RIS, EndNote
Conference15th International Particle Accelerator Conference
Series
LocationNashville, TN
Date19-24 May 2024
PublisherJACoW Publishing, Geneva, Switzerland
Editorial BoardFulvia Pilat - Oak Ridge National Laboratory Wolfram Fischer - Brookhaven National Laboratory Robert Saethre - Oak Ridge National Laboratory Petr Anisimov - Los Alamos National Laboratory Ivan Andrian - Elettra-Sincrotrone Trieste S.C.p.A.
Online ISBN978-3-95450-247-9
Online ISSN2673-5490
Received17 May 2024
Revised18 May 2024
Accepted23 May 2024
Issued01 July 2024
DOI10.18429/JACoW-IPAC2024-WEPG21
Pages2236-2239