Abstract
The deuteron production in the interactions of protons with emulsion nuclei at 400 GeV/c has been studied. Different theoretical models proposed for explaining the production mechanism of light fragments have been used. It has been found that most of the deuterons in the energy range (60÷260) MeV are produced due to the pick-up of the target nucleon inside the nucleus by the recoil nucleon. To explain the production of deuterons of energy (260÷760) MeV, the theoretical model proposed for3He nuclei production by Egliet al. (where pick-up amongst recoil nucleons takes place) has been extended. We tried to explain the results with this model and also on the basis of the NN collision model where deuteron production takes place as a result of reactions of the type N(N, π)d.
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