Musgrave, B.
P P --> P P
Single Differential Cross Section
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Polarization in elastic proton proton scattering between 0.86 and 2.74 gev/c

Albrow, M.G. ; Anderson-Almehed, S. ; Bosnjakovic, B. ; et al.
Nucl.Phys.B 23 (1970) 445-465, 1970.
Inspire Record 62367 DOI 10.17182/hepdata.8126

Polarization and differential cross section data for elastic proton-proton scattering between 0.86 and 2.74 GeV/ c are presented. A comparison is made with existing phase-shift analyses.

34 data tables match query
Table 1

'ALL'.

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Spin Dependence of High p-Transverse**2 Elastic p p Scattering

Crabb, D.G. ; Fernow, Richard C. ; Hansen, P.H. ; et al.
Phys.Rev.Lett. 41 (1978) 1257, 1978.
Inspire Record 7117 DOI 10.17182/hepdata.20867

We measured dσdt for p↑+p↑→p+p from P⊥2=4.50 to 5.09 (GeV/c)2 at 11.75 GeV/c. We used a 59%-polarized proton beam and a 71%-polarized proton target with both spins oriented perpendicular to the scattering plane. In these large-P⊥2 hard-scattering events, spin effects are very large and the ratio (dσdt)↑↑:(dσdt)↑↓ grows rapidly with increasing P⊥2, reaching a value of 4 at 90° (c.m.). Thus, hard elastic scattering, which is presumably due to the direct scattering of the protons' constituents, may only occur when the two incident protons' spins are parallel.

1 data table match query
Table 1

THE ERRORS INCLUDE STATISTICAL AND SYSTEMATIC ERRORS ADDED IN QUADRATURE. THE PARALLEL/ANTIPARALLEL SPIN CROSS SECTION RATIO IS (1+CNN)/(1-CNN).