Darling, C.L
Proton-Proton Scattering
[2.0, 5.0]
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First Measurement of the Real Part of a $p p$ Double Spin Flip Amplitude

Gazzaly, M.M. ; Pauletta, G. ; Tanaka, N. ; et al.
Phys.Rev.Lett. 58 (1987) 1084, 1987.
Inspire Record 247888 DOI 10.17182/hepdata.20181

The asymmetry ANN for pp elastic scattering has been measured at 800 and 650 MeV in the region of Coulomb-nuclear interference. The data have been analyzed to extract the real part of a spin-spin scattering amplitude. Results are compared with the predictions of forward dispersion relations. They disagree significantly at 650 MeV.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


TRANSVERSE SPIN DEPENDENCE OF THE P P TOTAL CROSS-SECTION DELTA sigma-t FROM 0.8-GEV/C TO 2.5-GEV/C

Madigan, W.P. ; Bell, D.A. ; Buchanan, J.A. ; et al.
Phys.Rev.D 31 (1985) 966-975, 1985.
Inspire Record 216906 DOI 10.17182/hepdata.23564

The difference ΔσT=σ(↓↑)-σ(↑↑) between the proton-proton total cross sections for protons in pure transverse-spin states, was measured at incident momenta 0.8 to 2.5 GeV/c in experiments performed at the Los Alamos Clinton P. Anderson Meson Physics Facility and the Argonne Zero Gradient Synchrotron. In agreement with other data, peaks were observed at center-of-mass energies of 2.14 and 2.43 GeV/c2, where D21 and G41 dibaryon resonances have been proposed.

2 data tables
Table 1

DATA FROM LAMPF EXPERIMENT.

Table 2

DATA FROM ARGONNE EXPERIMENT.


THE ENERGY DEPENDENCE OF THE 90-degrees P P ELASTIC SCATTERING DEPOLARIZATION PARAMETER AND AMPLITUDES BETWEEN 0.9-GEV/C AND 1.5-GEV/C

Hollas, C.L. ; Cremans, D.J. ; Ransome, R.D. ; et al.
Phys.Lett.B 143 (1984) 343-346, 1984.
Inspire Record 208375 DOI 10.17182/hepdata.30531

The depolarization parameter D NN for pp elastic scattering at θ cm = 90 ° has been measured at twelve momenta between 0.9 and 1.5 GeV/ c . The moduli of the three transversity amplitudes T 1 , T 3 , and T 4 have been extracted from these data and from previous measurements of the differential cross section and spin correlation parameter A NN (90 °). Smooth energy dependence is found for all three amplitude moduli.

1 data table
Table 1

Axis error includes +- 3/3 contribution (DUE TO UNCERTAINTIES IN THE TARGET ANALYSING POWER).