Measurement of the Spin Structure of the Deuteron in the DIS Region
arXiv:hep-ex/0501073 · doi:10.1016/j.physletb.2005.03.025
Abstract
We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x <0.7. The data were obtained by the COMPASS experiment at CERN using a 160 GeV polarised muon beam and a large polarised 6-LiD target. The results are in agreement with those from previous experiments and improve considerably the statistical accuracy in the region 0.004 < x < 0.03.
10 pages, 6 figures, subm. to PLB, revised: author list, Fig. 4, details added