DIFFERENTIAL CROSS-SECTIONS FOR NP-]DX AT 1.0 AND 2.0 GEV

Inclusive deuteron spectra (d(2) sigma/d Omega dp) have been measured for the reaction np --> dX at neutron energies of 1.0 and 2.0 GeV. A q uasi-monochromatic neutron beam was used, along with a liquid hydrogen target, Recoil deuterons at laboratory angles from 3 degrees to 15 de grees were tracked in wire chambers surrounding a 1.5 T . m dipole mag netic field. Particle identification was achieved using time-of-flight and momentum measurements. The deuteron data are compared with the pr edictions of a one-nucleon-exchange model with a meson production. At 2 GeV the missing mass spectra suggest the large role played by both t he eta and rho mesons in deuteron production. (C) 1997 Elsevier Scienc e B.V.