Polarization Phenomena in Fragmentation of Deuterons to Pions and Non-Nucleon Degrees of Freedom in the Deuteron
Abstract
The fragmentation of deuterons into pions emitted forward in the kinematic region forbidden for free nucleon-nucleon collisions is analyzed. It is shown that the inclusion of the non-nucleon degrees of freedom in a deuteron allows to describe the experimental data about inclusive pion spectrum rather satisfactory and improves the description of data concerning the deuteron analyzing power T20. The experimental data show the positive sign and very small values, less than 0.2, of T20 what can't be reproduced by the calculations ignoring these degrees of freedom.
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