Pion yield from 450-GeV/c protons on beryllium.

The SPY collaboration Ambrosini, G. ; Arsenescu, R. ; Bernier, K. ; et al.
Phys.Lett.B 425 (1998) 208-214, 1998.
Inspire Record 470999 DOI 10.17182/hepdata.49490

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.

2 data tables

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K/pi production ratios from 450-GeV/c protons on beryllium.

The SPY collaboration Ambrosini, G ; Arsenescu, R ; Bernier, K ; et al.
Phys.Lett.B 420 (1998) 225, 1998.
Inspire Record 470730 DOI 10.17182/hepdata.49585

This paper reports on the charged K / π production ratios and on the shape of the p T distributions of π fluxes 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 and with p T values up to 600 MeV/c. An experimental accuracy of about 3% has been achieved. These results will reduce the uncertainty on the estimation of the ν e component of neutrino beams.

10 data tables

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Additional systematic error of 1.3 PCT.

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