The high-intensity hyperon beam at CERN
Abstract
A high-intensity hyperon beam was constructed at CERN to deliver Sigma- to experiment WA89 at the Omega facility and operated from 1989 to 1994. The setup allowed rapid changeover between hyperon and conventional hadron beam configurations. The beam provided a Sigma-flux of 1.4 x 10^5 per burst at mean momenta between 330 and 345 Gev/c, produced by about 3 x 10^10 protons of 450 GeV/c . At the experiment target the beam had a Sigma-/pi- ratio close to 0.4 and a size of 1.6 x 3.7 cm^2. The beam particle trajectories and their momenta were measured with a scintillating fibre hodoscope in the beam channel and a silicon microstrip detector at the exit of the channel. A fast transition radiation detector was used to identify the pion component of the beam.
Keywords
Cite
@article{arxiv.physics/9801006,
title = {The high-intensity hyperon beam at CERN},
author = {Yu. A. Alexandrov and M. Clement and F. Dropmann and A. Fournier and P. Grafstrom and E. Hubbard and S. Paul and H. W. Siebert and A. Trombini and M. Zavertiaev},
journal= {arXiv preprint arXiv:physics/9801006},
year = {2015}
}
Comments
20 pages, 13 figures. Submitted to Nucl. Instr. Meth. A