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

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EXPERIMENTAL STUDY OF POLARIZATION IN THE REACTION ANTI-P P ---> ANTI-P P AT 0.7-GeV/c

Kimura, M. ; Takanaka, M. ; Hamatsu, R. ; et al.
Nuovo Cim.A 71 (1982) 438-444, 1982.
Inspire Record 184275 DOI 10.17182/hepdata.37469

The polarization for the\(\bar pp\) elastic scattering was measured as a function of the centre-of-mass angle of scattering between 17° and 90° at the average incident momentum of 0.7 GeV/c by using doublescattering events in a bubble chamber. The average value of the polarization was found to be 0.23 ± 0.05. The angular dependence of the polarization obtained in this experiment was interpreted by the strong absorptive potential model for\(\bar {\mathcal{N}}{\mathcal{N}}\) interactions recently proposed.

1 data table

SIGN OF POLARIZATION TAKEN AS POSITIVE ACCORDING TO THE DATA OF ALBROW ET AL., NP B37, 349 (1972).


Polarization measurement of antiproton scattered elastically from proton at 220 mev

Ohsugi, T. ; Fujisaki, M. ; Kaneko, S. ; et al.
Nuovo Cim.A 17 (1973) 456-463, 1973.
Inspire Record 87646 DOI 10.17182/hepdata.37771

The polarization of scattered antiproton in\(\bar pp\) elastic scattering has been measured at the kinetic energy of 220MeV by means of double scattering in a bubble chamber. The polarizations obtained are 0.28±0.11, 0.46±0.12, 0.51±0.19 and 0.38±0.31 at the scattering angles 28°, 42°, 56° and 73° in the c.m. system, respectively. These results do not seem to be in good agreement with a prediction given by Bryan and Phillips. We have also compared these data with a modified diffraction model.

1 data table

POLARIZATION ASSUMED POSITIVE.


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

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Polarization parameter in k+- p and anti-p p elastic scattering at 10 and 14 gev/c

Borghini, M. ; Dick, L. ; Olivier, J.C. ; et al.
Phys.Lett.B 36 (1971) 497-500, 1971.
Inspire Record 69141 DOI 10.17182/hepdata.37261

Results on polarization in K − p, K + p and p̄p forward elastic scattering at 10 and 14 GeV/ c are presented.

6 data tables

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Measurement of the polarization parameter in pi+- p, k+- p, p p, and anti-p p elastic scattering at 6 gev/c

Borghini, M. ; Dick, L. ; Di Lella, L. ; et al.
Phys.Lett.B 31 (1970) 405-409, 1970.
Inspire Record 63191 DOI 10.17182/hepdata.6078

Experimental results are presented for the polarization parameter P 0 in π ± p , K ± p , pp, and p ̄ p elastic scattering at 6 GeV/ c , and in the range of the invariant four-momentum transfer squared − t from 0.05 to ∼ 2.0 (GeV/ c ) 2 .

2 data tables

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