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The antineutron-proton total doss section has been measured in the low momentum range 50-400 MeV/c (below 100 MeV/c for the first time). The measurement was performed at LEAR (CERN) by the OBELIX experiment, thanks to its unique antineutron beam facility. A thick target transmission technique has been used. The measured total cross section shows an anomalous behaviour below 100 MeV/c. A dominance of the isospin I = 0 channel over the I = 1 one at low energy is clearly deduced. (C) 2000 Elsevier Science B.V. All lights reserved.

Antineutron-proton total cross section from 50 to 400 MeV/c / Iazzi, F., A., F., Agnello, M., M., A., E., B., T., B., D., C., S., C., F., D., A., F., S., M., B., M., N., M., F., B., M. P., B., L., B., P., C., O., D., L., F., R., G., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 475:(2000), pp. 378-385. [10.1016/S0370-2693(00)00086-1]

Antineutron-proton total cross section from 50 to 400 MeV/c

IAZZI, Felice;AGNELLO, MICHELANGELO;
2000

Abstract

The antineutron-proton total doss section has been measured in the low momentum range 50-400 MeV/c (below 100 MeV/c for the first time). The measurement was performed at LEAR (CERN) by the OBELIX experiment, thanks to its unique antineutron beam facility. A thick target transmission technique has been used. The measured total cross section shows an anomalous behaviour below 100 MeV/c. A dominance of the isospin I = 0 channel over the I = 1 one at low energy is clearly deduced. (C) 2000 Elsevier Science B.V. All lights reserved.
2000
PHYSICS LETTERS. SECTION B
1.1 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2500776
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