Relations between spin observables of the reactions $dd\to npd$ and $pd\to pd$ in impulse approximation

TL;DR

This paper derives linear relations between spin observables in deuteron-induced reactions and elastic scattering within impulse approximation, aiding experimental planning for the SPD NICA project.

Contribution

It introduces new linear relations connecting spin observables of $dd o npd$ and $pd o pd$ reactions in impulse approximation.

Findings

Derived linear relations between observables of different reactions.

Relations are essential for planning polarization experiments.

Supports analysis of future experimental data.

Abstract

It is shown that the vector and tensor analyzing powers $A_y$, $A_{yy}$ and also double spin correlation coefficients $C_{y,y}$, $C_{y y,y}$ of the reaction $dd\to n+p+d$ in impulse approximation are linearly connected to corresponding observables of the $pd$- elastic scattering. Obtained relations are necessary for motivation of the polarization experiments for the first phase of the SPD NICA project and for analysis of expected data.