Elsevier

Nuclear Physics A

Volume 302, Issue 1, 12 June 1978, Pages 93-124
Nuclear Physics A

The deuteron break-up in the reaction dd → dpn at 52 MeV

https://doi.org/10.1016/0375-9474(78)90289-0Get rights and content

Abstract

The three-particle reaction dd → dpn has been investigated systematically at an energy of 52 MeV. Proton-deuteron and neutron-deuteron coincidences have been measured in kinematically complete experiments in order to study the angular dependence of the np final state interaction and of pd and nd quasifree scattering. The experimental results show that the angular distribution for the production of np pairs with zero relative energy can be predicted absolutely from elastic dd scattering. No indication of violation of isospin conservation is found in the experiment. The measured angular distributions for nd and pd quasifree scattering are identical within the experimental errors over a wide range of angles. Their shape is similar to the distribution of elastic nucleon-deuteron scattering. Significant deviations between the pd and nd coincidence spectra (measured under identical kinematical conditions) have been observed only at forward angles, indicating the influence of the Coulomb force on the break-up mechanism. In order to analyze the spectra and angular distributions, different model calculations have been carried out.

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