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Production of Cumulative Protons at Momenta 0.6-{GeV}/$c$ to 1.83-{GeV}/$c$

Boyarinov, S.V. ; Gerzon, S.A. ; Kats, M.M. ; et al.

Sov.J.Nucl.Phys. 46 (1987) 871, 1987.

Inspire Record 233179 DOI 10.17182/hepdata.40173

None

3 data tables

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Subthreshold antiproton production in p A, d A and alpha A reactions.

Sugaya, Y. ; Ashery, D. ; Chiba, J. ; et al.

Nucl.Phys.A 634 (1998) 115-140, 1998.

Inspire Record 466882 DOI 10.17182/hepdata.36236

An enormous enhancement of antiproton production in deuteron- and α-induced reactions has been observed in the subthreshold energy region between 2 and 5 GeV/nucleon. Antiprotons produced at 5.1° with a momentum range of between 1.0 and 2.5 GeV/ c were measured by a beam-line spectrometer and identified by the time-of-flight method. The production cross sections in the deuteron- and α-induced reactions at an incident energy of 3.5 GeV/nucleon were 2 and 3 orders of magnitude larger than those in proton-induced reaction at the same energy. The enhancement in light-ion reactions could not be explained by the internal motion in the projectile and target nuclei. The target-mass dependence (C, Al, Cu and Pb) of the cross sections has also been studied. Further, the cross sections of π and K productions were measured.

74 data tables

Table 1

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Table 2

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Table 3

No description provided.