This paper presents the results on charged particle yields and production ratios as measured by the NA56/SPY experiment for 450 GeV/c proton interactions on beryllium targets. The data cover a seconda
Positive particle yield from the 100mm Be target. Data are corrected for the pion or proton flux coming from strange particle decays.
Negative particle yield from the 100mm Be target. Data are corrected for the pion or antiproton flux coming from strange particle decays.
Positive particle yield from the 100mm Be target. Data are NOT corrected for the pion or proton flux coming from strange particle decays.
This paper reports on the charged pion production yields measured by the SPY/NA56 experiment for 450 GeV/c proton interactions on beryllium targets. The present data cover a secondary momentum range from 7 GeV/c to 135 GeV/c in the forward direction. An experimental accuracy ranging from 5 to 10%, depending on the beam momentum, has been achieved, limited mainly by the knowledge of the beam acceptance. These results will be relevant in the calculation of neutrino fluxes in present and future neutrino beams.
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