Measurement of the Spin-dependent Structure Function g1(x) of the Deuteron and the Proton

  • M. F. Litmaath
Conference paper
Part of the Few-Body Systems book series (FEWBODY, volume 8)


In 1994 the Spin Muon Collaboration has measured the spin-dependent structure function g 1 d 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 < Q 2 < 60 GeV2. The first moment \(\Gamma_{1}^{d}=\int_{0}^{1}{g_{1}^{d}}(x)dx\) obtained from all SMC deuteron data evaluated at Q 0 2 = 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 Γ 1 p we obtain Γ 1 p Γ 1 n = 0.199 ± 0.038 which agrees with the Bjorken sum rule prediction within one standard deviation.


Deep Inelastic Scattering Dynamic Nuclear Polarisation Kinematic Range Muon Momentum Axial Vector Coupling Constant 
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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • M. F. Litmaath
    • 1
  1. 1.Spin Muon Collaboration at CERN NIKHEFAmsterdamThe Netherlands

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