Abstract

A laser polarimeter at the VEPP-4M storage ring is being developed for the beam energy calibration by the resonant depolarization method in the future high-precision measurements of the ϒ meson masses with the KEDR detector. The status of the laser polarimeter and first energy measurements at 4.1 GeV with an accuracy of 50 keV is described.

Original languageEnglish
Article number08020
Number of pages8
JournalJournal of Instrumentation
Volume12
Issue number8
DOIs
Publication statusPublished - 24 Aug 2017

Keywords

  • Beam-line instrumentation (beam position and profile monitors; beam-intensity monitors; bunch length monitors)
  • gamma detectors (scintillators, CZT, HPG, HgI etc)
  • instrumentation for particle accelerators and storage rings - low energy (linear accelerators, cyclotrons, electrostatic accelerators)
  • micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
  • instrumentation for particle accelerators and storage rings - low energy (linear accelerators cyclotrons, electrostatic accelerators)
  • ENERGY
  • Beam-line instrumentation (beam position and profile monitors beam-intensity monitors bunch length monitors)

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