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A new measurement of the spin-dependent structure function g1(x) of the deuteron

  • D. Adams
  • , B. Adeva
  • , E. Arik
  • , A. Arvidson
  • , B. Badelek
  • , M. K. Ballintijn
  • , G. Bardin
  • , G. Baum
  • , P. Berglund
  • , L. Betev
  • , R. Birsa
  • , P. Björkholm
  • , B. E. Bonner
  • , N. de Botton
  • , F. Bradamante
  • , A. Bressan
  • , S. Bültmann
  • , E. Burtin
  • , C. Cavata
  • , M. Clocchiatti
  • D. Crabb, J. Cranshaw, T. Çuhadar, S. Dalla Torre, R. van Dantzig, A. Deshpande, S. Dhawan, C. Dulya, A. Dyring, S. Eichblatt, D. Fasching, F. Feinstein, C. Fernandez, B. Frois, J. A. Garzon, M. Giorgi, E. von Goeler, G. Gracia, R. Granier de Cassagnac, N. de Groot, M. Grosse Perdekamp, E. Gülmez, 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, A. Kishi, Yu Kisselev, L. Klostermann, D. Krämer, V. Krivokhijine, W. Kröger, K. Kurek, J. Kyynäräinen, M. Lamanna, U. Landgraf, J. M. Le Goff, F. Lehar, A. de Lesquen, J. Lichtenstadt, M. Litmaath, S. Lopez-Ponte, M. Lowe, A. Magnon, G. K. Mallot, F. Marie, A. Martin, J. Martino, T. Matsuda, B. Mayes, J. S. McCarthy, K. Medved, G. van Middelkoop, D. Miller, K. Mori, J. Moromisato, A. Nagaitsev, J. Nassalski, L. Naumann, T. O. Niinikoski, J. E.J. Oberski, A. Ogawa, C. Ozben, A. Penzo, C. Perez, F. Perrot-Kunne, D. Peshekhonov, R. Piegaia, L. Pinsky, S. Platchkov, M. Plo, D. Pose, H. Postma, J. Pretz, T. Pussieux, J. Pyrlik, I. Reyhancan, A. Rijllart, J. B. Roberts, S. Rock, M. Rodriguez, E. Rondio, I. Sabo, J. Saborido, A. Sandacz, I. Savin, P. Schiavon, R. Segel, R. Seitz, Y. Semertzidis, P. Shanahan, E. P. Sichtermann, G. I. Smirnov, A. Staude, A. Steinmetz, U. Stiegler, H. Stuhrmann, M. Szleper, F. Tessarotto, M. Velasco, J. Vogt, R. Voss, R. Weinstein, C. Whitten, R. Windmolders, R. Willumeit, W. Wislicki, A. Witzmann, A. M. Zanetti, J. Zhao
  • Rice University
  • Department of Particle Physics
  • University Santiago de Compostela
  • Bogazici University
  • Department of Radiation Sciences
  • Uppsala University
  • University of Warsaw
  • Delft University of Technology
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Bielefeld University
  • Low Temperature Laboratory
  • Aalto University
  • Universität München
  • Dipartimento di Fisica
  • University of Trieste
  • University of Virginia
  • Yale University
  • Department of Physics
  • University of California, Los Angeles
  • Northwestern University
  • University of Houston
  • Institute for Beam Particle Dynamics
  • National Science Foundation
  • European Organization for Nuclear Research
  • Northeastern University
  • Johannes Gutenberg University
  • Nagoya University
  • Joint Institute for Nuclear Research, Dubna
  • University of Freiburg
  • School of Physics
  • Tel Aviv University
  • Helmholtz-Zentrum Hereon GmbH
  • Faculté des Sciences
  • Université de Mons

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

218 Citations (Scopus)

Résumé

We present a new measurement of the spin-dependent structure function g1d of the deuteron in deep inelastic scattering of 190 GeV polarised muons on polarised deuterons, in the kinematic range 0.003 < x < 0.7 and 1 GeV2 < Q2 < 60 GeV2. This structure function is found to be negative at small x. The first moment Γ1d=∫01g 1ddx evaluated at Q02 = 10 GeV2 is 0.034 ± 0.009 (stat.) ± 0.006 (syst.). This value is below the Ellis-Jaffe sum rule prediction by three standard deviations. Using our earlier determination of Γ1p, we obtain Γ1p - Γ1n = 0.199 ± 0.038 which agrees with the Bjorken sum rule.

langue originaleAnglais
Pages (de - à)248-254
Nombre de pages7
journalPhysics Letters B
Volume357
Numéro de publication1-2
Les DOIs
étatPublié - 31 août 1995
Modification externeOui

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