Systematic measurements of the annihilation cross sections of low energy antinucleons were performed at CERN in the 80’s and 90’s. However the antiproton data on medium-heavy and heavy nuclear targets are scarce. The ASACUSA Collaboration at CERN has measured the antiproton annihilation cross section on carbon at 5.3 MeV: the value is (1.73 ±0.25) barn. The result is compared with the antineutron experimental data and with the theoretical previsions.
Measurement of the antiproton–nucleus annihilation cross-section at low energy
Bianconi, A.;Corradini, M.;Leali, M.;Lodi Rizzini, E.;Mascagna, V.;PREST, Michela;Venturelli, L.
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2018-01-01
Abstract
Systematic measurements of the annihilation cross sections of low energy antinucleons were performed at CERN in the 80’s and 90’s. However the antiproton data on medium-heavy and heavy nuclear targets are scarce. The ASACUSA Collaboration at CERN has measured the antiproton annihilation cross section on carbon at 5.3 MeV: the value is (1.73 ±0.25) barn. The result is compared with the antineutron experimental data and with the theoretical previsions.File in questo prodotto:
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