Inclusive eta Production at Large Transverse Momenta

Donaldson, G.J. ; Gordon, H.A. ; Lai, K.-W. ; et al.
Phys.Rev.Lett. 40 (1978) 684, 1978.
Inspire Record 122477 DOI 10.17182/hepdata.20917

We have measured the ratio of inclusive production of η to π0 at transverse momenta above 1.5 GeV/c. Results are presented for various meson and proton beams with momenta of 100, 200, and 300 GeV/c incident upon a hydrogen target. The ηπ0 production ratio is found to be independent of incident beam momentum and of the transverse and longitudinal momenta of production. The ratio for pion- and proton-induced reactions is 0.44 ± 0.05; for kaons, it is 0.74 ± 0.12.

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