Proton-proton and proton-deuteron elastic scattering has been measured for incident laboratory energy from 50 to 400 GeV; minimum |t| values were, for p−p, 0.0005 (GeV/c)2, and for p−d, 0.0008 (GeV/c)2. From the differential cross sections we have determined the ratios of the real to imaginary parts of the forward scattering amplitude, ρpp and ρpd, for p−p and p−d scattering. Using a Glauber approach and a sum-of-exponentials form factor we obtain ρpn for p−n scattering.
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FROM GLAUBER ANALYSIS. THE SYSTEMATIC ERRORS DUE TO THE UNCERTAINTY IN THE DEUTERON FORM FACTOR ARE COMPARABLE WITH THE STATISTICAL ERRORS.
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Measurements of the differential cross section for proton-deuteron elastic scattering are reported for incident proton momenta ranging from 20 to 210 GeV and for invariant four-momentum transfers of 0.6 ≤ − t ≤ 3.0 GeV 2 . The results are in disagreement with a very simple Glauber double scattering model calculation.
Axis error includes +- 5/5 contribution (ERROR IN RECONSTRUCTION EFFICIENCY AND ACCEPTANCE CALCULATION).
By using a polarized deuteron target we have measured the asymmetry in the differential cross section for elastic scattering of protons on deuterons and for quasi-elastic scattering of protons on protons bound in deuterons between the two states of opposite polarization, normal to the scattering plane of the initial deuteron. The beam momentum was 1.21 GeV/ c . It is checked that the neutrons bound in the deuterons are polarized to approximately 20%.
NOT ALL DATA POINTS COMPILED.
Axis error includes +- 10/10 contribution (DS/DT DATA NORMALIZED TO THAT OF VINCENT 70).
We report on experimental results on proton-deuteron elastic scattering at a centre-of-mass energy of √ s = 63 GeV . The data were obtained using the Split Field Magnet detector at the CERN Intersecting Storage Rings. The t -dependence of the elastic differential cross section, measured up to − t = 2.0 GeV 2 , is compared with the prediction of an extended Glauber theory including contributions from inelastic intermediate states. Discrepancies of up to 30% with the basic theory are observed in the interference region. The inelastic contributions are essential for the detailed description of the data both in the single- and double-scattering regions.
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