The p p and p n elastic differential cross sections have been extracted from the reaction p d→ p pn in which the deuteron breaks up. The incident antiproton momenta were 0.480, 0.735 and 0.940 GeV/ c , and the range of the momentum transfers was 0.04 < ∣ t ∣ < 0.7 (GeV/ c ) 2 . Both p p and p n differential cross sections are diffraction-like, with structure similar to the higher-momentum data.
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We present differential cross sections for elastic p d scattering at beam momenta 0.735 and 0.940 GeV/ c and momentum transfers in the range 0.04<| t |<0.5(GeV/ c ) 2 . The p d elastic differential cross section is expressed in terms of a deutron form factor and the I =0 t -channel exchange N N amplitudes, enabling us to isolate the corresponding I =0 t -channel exchange cross sections.
DIFFERENTIAL CROSS SECTION SLOPE, ALLOWING FOR DEUTERON FORM-FACTOR.
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Results are reported based on a study of 3114 π−p events at 205 GeV/c in the National Accelerator Laboratory 30-in. bubble chamber. The measured π−p total and elastic cross sections are 24.0 ± 0.5 and 3.0 ± 0.3 mb, respectively. The elastic differential cross section has a slope of 9.0 ± 0.7 GeV−2 for 0.03≤−t≤0.6 GeV2. The average charged-particle multiplicity for the inelastic events is 8.02 ± 0.12.
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