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Determination of anti-proton neutron amplitude from elastic anti-p deuteron scattering at 600-MeV/c

Mahalanabis, J. ;
Z.Phys.A 342 (1992) 101-105, 1992.
Inspire Record 343348 DOI 10.17182/hepdata.16576

The elementary ¯p-neutron amplitude has been obtained from Glauber's model analysis of ¯p-d elastic scattering data at 600 MeV/c, taking into account theD-state component of the deuteron. The results are compared with the ¯p-nucleus analysis and the ¯NN potential model predictions.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Anti-p p backward scattering and s-channel resonances - upper limit to the anti-p p coupling of the s(1929) meson

Bizzarri, R. ; Guidoni, P. ; Marzano, F. ; et al.
Phys.Rev.D 6 (1972) 160-163, 1972.
Inspire Record 74038 DOI 10.17182/hepdata.22256

From the energy dependence of the p¯p and p¯n inelastic cross sections we deduce an upper limit to the resonant contribution in p¯p backward scattering for c.m. energies between 1915 and 1950 MeV. This limit is smaller than the expected contribution from diffraction scattering. The energy dependence of the 180° p¯p elastic cross section in this energy range cannot therefore be directly related to the formation of s-channel resonances.

1 data table
Table 1

CROSS SECTION ONLY FOR ANNIHILATION EVENTS WITH EMISSION OF SPECTATOR PROTON TOO SLOW TO GIVE A VISIBLE TRACK (LESS THAN ABOUT 80 MEV/C) - ABOUT 60 PCT OF TOTAL ANNILILATION. NUMERICAL VALUES TAKEN FROM TABLE 2 OF R. BIZZARRI ET AL., NC 22A, 225 (1974).