Abstract
The current deuteron beam polarimetry at Nuclotron is provided by the Internal Target polarimeter based on the use of the asymmetry in dp-elastic scattering at large angles in the cms at 270 MeV. The upgraded deuteron beam polarimeter has been used to obtain the vector and tensor polarization during 2016 runs for the DSS experimental program. The polarimeter has been used also for tuning of the polarized ion source parameters for 6 different spin modes. The data analysis has been performed using developed software based on C++ language and ROOT5 library.
Highlights
The investigation the spin structure of two- and three-nucleon short-range correlations is main goal of the DSS project at Nuclotron [1, 2, 3]
A method for deuteron beam polarization measurement in the Nuclotron ring based on measuring the asymmetry in dp-elastic scattering at 270 MeV internal target station (ITS) has been developed [4] and applied in 2016 year
The goal of the present article is to report new results on the measurements of the vector and tensor beam polarizations using upgraded polarimeter. These measurements were performed during the DSS experiment on the study of the vector Ay, tensor Ayy and Axx analyzing powers in dp-elastic scattering at large transverse momenta [5]
Summary
The investigation the spin structure of two- and three-nucleon short-range correlations is main goal of the DSS project at Nuclotron [1, 2, 3]. The base tools for these studies are the measurements of the polarization observables in the deuteron induced reactions. A method for deuteron beam polarization measurement in the Nuclotron ring based on measuring the asymmetry in dp-elastic scattering at 270 MeV internal target station (ITS) has been developed [4] and applied in 2016 year. The goal of the present article is to report new results on the measurements of the vector and tensor beam polarizations using upgraded polarimeter. These measurements were performed during the DSS experiment on the study of the vector Ay, tensor Ayy and Axx analyzing powers in dp-elastic scattering at large transverse momenta [5]
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