Data on inclusive pion and eta production measured with the dielectron spectrometer HADES in the reaction p + Nb-93 at a kinetic beam energy of 3.5 GeV are presented. Our results, obtained with the photon-conversion method, supplement the rather sparse information on neutral-meson production in proton-nucleus reactions existing for this bombarding energy regime. The reconstructed e(+)e(-)e(+)e(-) transverse-momentum and rapidity distributions are confronted with transport-model calculations, which account fairly well for both pi(0) and eta production.
Inclusive pion and η production in p+Nb collisions at 3.5 GeV beam energy
SPATARO, STEFANO GIOVANNI;
2013-01-01
Abstract
Data on inclusive pion and eta production measured with the dielectron spectrometer HADES in the reaction p + Nb-93 at a kinetic beam energy of 3.5 GeV are presented. Our results, obtained with the photon-conversion method, supplement the rather sparse information on neutral-meson production in proton-nucleus reactions existing for this bombarding energy regime. The reconstructed e(+)e(-)e(+)e(-) transverse-momentum and rapidity distributions are confronted with transport-model calculations, which account fairly well for both pi(0) and eta production.
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PRC88(2013)024904 - Inclusive pion and η production in p +Nb collisions at 3.5 GeV beam energy.pdf
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