Abstract
The relation between the amount ofp-wave in antineutron-proton annihilation into pions at very low momenta (≦ 0.3 GeV/c) and the even or odd character of the produced pion number is underlined. A simple calculation of the magnitude of the effect suggests the possible interest of measurements.
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Vandermeulen, J., Van den Bossche, B. Shape of pion multiplicity in antineutron-proton annihilation at very low momentum. Z. Physik A - Hadrons and Nuclei 345, 211–214 (1993). https://doi.org/10.1007/BF01293346
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DOI: https://doi.org/10.1007/BF01293346