Relativistic polarised deuteron fragmentation into protons as a test of the six-quark nature of the deuteron at small distances

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Abstract
A study of short-range few-nucleon corrections in nuclei is proposed in polarised high-energy deuteron fragmentation experiments. The present of a 6q state in the deuteron with a probability of a few per cent is shown to change essentially the cross section behaviour of this process in the 'hard' range, i.e. when the fraction of the deuteron momentum carried out by the proton in the infinite momentum frame is larger than 0.78. It is shown that the character of the cross section of the transversely polarised deuteron fragmentation changes depending on the parameters of the 6q admixture in the deuteron.