HEPData Search

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Parity violation in proton proton scattering at 13.6-MeV

Eversheim, P.D. ; Schmitt, W. ; Kuhn, S.E. ; et al.

Phys.Lett.B 256 (1991) 11-14, 1991.

Inspire Record 318678 DOI 10.17182/hepdata.29488

Parity nonconservation in proton-proton scattering has been studied by measuring the angle-integrated longitudinal analyzing power A z . We found A z (13.6 MeV)=(−1.5±0.5)×10 −7 . The error includes uncertainties due to statistics and corrections, as well as upper limits on systematic effects. The experimental result is discussed with respect to recent theoretical calculations.

1 data table

Table 1

No description provided.

Asymmetry in $\bar{p} p$ Elastic Scattering

Kunne, R.A. ; Beard, C.I. ; Birsa, R. ; et al.

Phys.Lett.B 206 (1988) 557-560, 1988.

Inspire Record 261004 DOI 10.17182/hepdata.48836

Asymmetries A 0 n have been measured at LEAR for s¯s elastic scattering for 15 beam momenta from 497 to 1550 MeV/ c .

15 data tables

Table 1

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Measurements of the symmetries in the differential cross sections for anti-p p ---> anti-p p and anti-p p ---> pi- pi+ using polarized protons

Ehrlich, R.D. ; Etkin, A. ; Glodis, P. ; et al.

Phys.Rev.Lett. 28 (1972) 1147-1150, 1972.

Inspire Record 75507 DOI 10.17182/hepdata.21461

We report measured asymmetries as a function of polar scattering angle for the reactions p¯p→π−π+ and p¯p→p¯p, using a polarized proton target. The annihilation data, obtained at a p¯ momentum of 1.64 GeV/c, are the first asymmetry data to be collected for this channel. A fit of these data and published differential cross section data is made by a partial-wave expansion, and the results are compared with a previous analysis. The elastic scattering data, obtained at 1.64 and 2.55 GeV/c, are fitted with an eight-parameter strong-absorption model.

1 data table

Table 1

No description provided.