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Spin asymmetries A1 and structure functions g1 of the proton and the deuteron from polarized high energy muon scattering

  • B. Adeva*
  • , T. Akdogan
  • , E. Arik
  • , A. Arvidson
  • , B. Badelek
  • , G. Bardin
  • , G. Baum
  • , P. Berglund
  • , L. Betev
  • , I. G. Bird
  • , R. Birsa
  • , P. Björkholm
  • , N. de Botton
  • , M. Boutemeur
  • , F. Bradamante
  • , A. Bravar
  • , A. Bressan
  • , S. Bültmann
  • , E. Burtin
  • , C. Cavata
  • 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, 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. Kabuß, T. Kageya, A. Karev, H. J. Kessler, T. J. Ketel, J. Kiryluk, I. Kiryushin, A. Kishi, Y. Kisselev, L. Klostermann, D. Krämer, V. Krivokhijine, W. Kröger, V. Kukhtin, K. Kurek, J. Kyynäräinen, M. Lamanna, U. Landgraf, 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. Piegia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, R. Puntaferro, T. Pussieux, G. Rädel, A. Rijllart, G. Reicherz, J. 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. Vogt, R. Voss, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, J. Ylöstalo, A. M. Zanetti, K. Zaremba, N. I. Zamiatin, J. Zhao
*Corresponding author for this work
  • University of Santiago de Compostela
  • Bogazici University
  • Uppsala University
  • The Royal Library
  • University of Warsaw
  • CEA Saclay
  • Bielefeld University
  • Aalto University
  • Ludwig Maximilian University of Munich
  • Thomas Jefferson National Accelerator Facility
  • University of Trieste
  • Ericsson AB
  • Yale University
  • Johannes Gutenberg University Mainz
  • CERN
  • University of Virginia
  • Delft University of Technology
  • University of California at Los Angeles
  • CIEMAT
  • Fermi National Accelerator Laboratory
  • 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
  • SLAC National Accelerator Laboratory
  • 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
  • Rice University
  • Pennsylvania State University
  • Universidad de Buenos Aires
  • American University Washington DC
  • German Electron Synchrotron
  • University of Montreal
  • Brookhaven National Laboratory
  • Warsaw University of Technology
  • Universite de Mons
  • F. Hoffmann-La Roche AG
  • Los Alamos National Laboratory

Research output: Contribution to journalArticlepeer-review

398 Citations (Scopus)

Abstract

We present the final results of the spin asymmetries A1 and the spin structure functions g1 of the proton and the deuteron in the kinematic range 0.0008<x<0.7 and 0.2<Q2<100 GeV2. For the determination of A1, in addition to the usual method which employs inclusive scattering events and includes a large radiative background at low x, we use a new method which minimizes the radiative background by selecting events with at least one hadron as well as a muon in the final state. We find that this hadron method gives smaller errors for x<0.02, so it is combined with the usual method to provide the optimal set of results.

Original languageEnglish
Article number112001
Pages (from-to)1120011+11200117
JournalPhysical Review D
Volume58
Issue number11
DOIs
Publication statusPublished - 1 Dec 1998
Externally publishedYes

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