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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
  • Aalto University
  • Johannes Gutenberg University Mainz
  • Ludwig Maximilian University of Munich (LMU)
  • Northeastern University
  • University of Santiago de Compostela
  • University of California System
  • University of Freiburg
  • University of Virginia
  • European Organization for Nuclear Research (CERN)
  • Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA)
  • University of Trieste (UNITS)
  • Bielefeld University
  • University of Warsaw
  • Turkish Atomic Energy Authority
  • National Science Foundation (NSF)
  • Northwestern University
  • Delft University of Technology
  • University of Houston
  • Tel Aviv University
  • Yale University
  • Rice University
  • Joint Institute for Nuclear Research
  • Uppsala University
  • Nagoya University
  • Helsinki University of Technology

Research output: Contribution to journalArticleScientificpeer-review

Abstract

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. © 1995.
Original languageEnglish
Pages (from-to)248-254
Number of pages7
JournalPhysics Letters B
Volume357
Issue number1-2
DOIs
Publication statusPublished - 31 Aug 1995
MoE publication typeA1 Journal article-refereed

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