Some proton spin observables obtained in p-d elastic scattering at 500 and 800 MeV

Rahbar, A.; Aas, B.; Bleszyński, E.; Bleszynski, M.; Ganezer, K. S.; Igo, G.; Irom, F.; Bonner, B. E.; Dyck, O. Van; McNaughton, M. W.; Roberts, J.; Hollas, C.L.; Ransome, R. D.; Riley, P. J.

doi:10.1016/0370-2693(87)91061-6

Cited by 18 publications

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“…s, w coupled with CII~, the predictions are also close to zero and agree with the data reasonably well within the error bars. It should be kept in mind that the derivative-coupling parameters g were obtained by a fit to all the available spinobservable data measured earlier [3,9], but not to the data of the present experiment. Therefore, there is, in general, a better agreement with the previously measured observables.…”

Section: Analysis Of the Scattering Datamentioning

confidence: 94%

Elastic scattering ofN-,L-, andS-type polarized 794 MeV protons from anND3target polarized in theS-Lplane

et al. 1992

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23 p-d elastic scattering spin observables, most of them in linear combinations of two observables, were measured at 794 MeV over a range of four-momentum transfer t from -0.257 to -0.630 (GeV/c) .By changing the beam polarization between S, N, and L type and by alternating the target vector polarization between negative and positive, six independent combinations of beam and target polarization were obtained. The target was dynamically polarized deuterated ammonia. An average target polarization of 30% was achieved. Transverse polarization components of the scattered protons (S and N type) were measured directly by using a polarimeter. The longitudinal polarization component (L type) was measured after precessing it to N type. Typical uncertainties for two-spin coefficients were 0.02 and for three-spin coefficients 0.1 -0.2. The data are compared with the theoretical predictions calculated by fitting the previously available data to a relativistic multiple-scattering model with derivative couplings. Although relativistic impulse approximation calculations do not predict the data well, they are also included in the comparisons.PACS number(s): 25.40.Cm, 24.70.+s, 25.10.+s, 29.25.Pj

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Section: Analysis Of the Scattering Datamentioning

confidence: 94%