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Beams of protons and pions of 5.9 GeV/c were incident on a C target. Neutronsemitted into the back hemisphere, in the laboratory system, were detected in(triple) coincidence with two emerging $p_t>$0.6 GeV/c particles. We presentthe momentum spectra of the backward going neutrons, which have the sameuniversal shape observed in earlier (inclusive) reactions induced by hadrons,$\gamma$, $\nu$, and $\bar{\nu}$ beams. We also integrated the spectra anddetermined the fraction of the hard scattering events which are in coincidencewith at least one neutron emitted into the back hemisphere, with momenta above0.32 GeV/c.  Contrary to the earlier measurements which found that only a small fraction(of the order of 10%) of the total inelastic cross section for light nuclei wasassociated with backward going nucleons, we find that about half of the eventsare of this nature. We speculate that the reason for the large difference isthe strong total center of mass (s) dependence of the hard reaction and shortrange nucleon correlations in nuclei

physical review. c. nuclear physics/physical review. c, nuclear physics

Backward emitted high-energy neutrons in hard reactions of<i>p</i>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>on carbon

Backward emitted high-energy neutrons in hard reactions ofpandπ+on carbon