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Measurement of the SMC muon beam polarization using the asymmetry in the elastic scattering off polarized electrons

  • D. Adams*
  • , B. Adeva
  • , T. Akdogan
  • , E. Arik
  • , A. Arvidson
  • , B. Badelek
  • , G. Bardin
  • , G. Baum
  • , P. Berglund
  • , L. Betev
  • , R. Birsa
  • , P. Björkholm
  • , B. E. Bonner
  • , N. de Botton
  • , M. Boutemeur
  • , F. Bradamante
  • , A. Bravar
  • , A. Bressan
  • , S. Bültmann
  • , E. Burtin
  • C. Cavata, M. Clocchiatti, D. Crabb, J. Cranshaw, T. Çuhadar, S. Dalla Torre, R. van Dantzig, B. Derro, A. Deshpande, S. Dhawan, C. Dulya, A. Dyring, S. Eichblatt, J. C. Faivre, D. Fasching, F. Feinstein, C. Fernandez, S. Forthmann, B. Frois, A. Gallas, J. A. Garzon, L. Gatignon, T. Gaussiran, H. Gilly, M. Giorgi, E. von Goeler, S. Goertz, I. A. Golutvin, G. Gracia, N. de Groot, M. Grosse Perdekamp, K. Haft, D. von Harrach, T. Hasegawa, P. Hautle, N. Hayashi, C. A. Heusch, N. Horikawa, V. W. Hughes, G. Igo, S. Ishimoto, T. Iwata, E. M. Kabub, T. Kageya, A. Karev, H. J. Kessler, T. J. Ketel, J. Kiryluk, I. Kiryushin, A. Kishi, Yu Kisselev, L. Klostermann, D. Kramer, V. Krivokhijine, W. Kroger, V. Kukhtin, K. Kurek, J. Kyynäräinen, M. Lamanna, U. Landgra, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, T. Lindqvist, M. Litmaath, M. Lowe, A. Magnon, G. K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, J. S. McCarthy, K. Medved, W. Meyer, G. van Middelkoop, D. Miller, Y. Miyachi, K. Mori, J. Moromisato, A. Nagaitsev, J. Nassalski, L. Naumann, T. O. Niinikoski, J. E.J. Oberski, A. Ogawa, C. Ozben, H. Pereira, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postman, J. Pretz, T. Pussieux, G. Rädel, A. Rijllart, G. Reicherz, J. B. Roberts, S. Rock, M. Rodriguez, E. Rondio, L. Ropelewski, I. Sabo, J. Saborido, A. Sandacz, I. Savin, P. Schiavon, A. Schiller, K. P. Schüler, R. Seitz, Y. Semertzidis, S. Sergeev, P. Shanahan, E. P. Sichtermann, F. Simeoni, G. I. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, M. Szleper, F. Tessarotto, D. Thers, W. Tlaczala, A. Tripet, G. Unel, M. Velasco, J. Vog, R. Voss, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, K. Zaremba, N. I. Zamiatin, J. Zhao
*Corresponding author for this work
  • Rice University
  • University of Santiago de Compostela
  • Istanbul Technical University
  • Bogazici University
  • Uppsala University
  • The Royal Library
  • University of Warsaw
  • CEA Saclay
  • Bielefeld University
  • Forschung und Technologie
  • Aalto University
  • Ludwig Maximilian University of Munich
  • University of Trieste
  • Ericsson AB
  • Yale University
  • Johannes Gutenberg University Mainz
  • CERN
  • University of Virginia School of Engineering and Applied Science
  • Delft University of Technology
  • University of California at Los Angeles
  • CIEMAT
  • Northwestern University
  • University of Wisconsin
  • University of Houston
  • Helmholtz-Zentrum Hereon
  • University of Freiburg
  • Northeastern University
  • Ruhr University Bochum
  • Joint Institute for Nuclear Research
  • National Institute for Subatomic Physics
  • University of Bristol
  • Nagoya University
  • University of Miyazaki
  • Paul Scherrer Institute
  • RIKEN
  • University of California at Santa Cruz
  • High Energy Accelerator Research Organization, Tsukuba
  • University of Michigan, Ann Arbor
  • SBC Warburg Dillon Read
  • Tel Aviv University
  • Pennsylvania State University
  • Universidad de Buenos Aires
  • American University Washington DC
  • German Electron Synchrotron
  • University of Montreal
  • Brookhaven National Laboratory
  • Fermi National Accelerator Laboratory
  • Warsaw University of Technology
  • Universite de Mons
  • F. Hoffmann-La Roche AG
  • Los Alamos National Laboratory

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190 GeV. The beam polarization is determined from the asymmetry in the elastic scattering off the polarized electrons of a ferromagnetic target whose magnetization is periodically reversed. At muon energies of 100 and 190 GeV the measured polarization is Pμ = -0.80±0.03 (stat.)±0.02 (syst.) and Pμ = -0.797±0.011 (stat.)±0.012 (syst.), respectively. These results agree with measurements of the beam polarization using a shape analysis of the decay positron energy spectrum.

Original languageEnglish
Pages (from-to)1-19
Number of pages19
JournalUnknown Journal
Volume443
Issue number1
DOIs
Publication statusPublished - 21 Mar 2000

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