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 obtain the vector and tensor polarization during 2016/2017 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.
Highlights
The study of the spin structure of two-nucleon and three-nucleon short-range correlations via the measurements of the polarization observables in the deuteron induced reactions is main goal of the DSS project at Nuclotron[1, 2, 3]
The polarimeter based on the use of dp- elastic scattering at large angles at 270 MeV [4], where precise data on analyzing powers [6]-[8] exist, has been developed at internal target station (ITS) at Nuclotron[9]
Experiment at Internal Target Station (ITS) The internal target station (ITS) setup is well suited for study of the energy dependence of polarization observables for the deuteron-proton elastic scattering and deuteron breakup reaction with the detection of two protons at large scattering angles
Summary
The study of the spin structure of two-nucleon and three-nucleon short-range correlations via the measurements of the polarization observables in the deuteron induced reactions is main goal of the DSS project at Nuclotron[1, 2, 3]. The goal of the present article is to report new results on the measurements of the vector and tensor beam polarizations using upgraded polarimeter based on the asymmetry measurements in dp- elastic scattering at 270 MeV [4] at the Internal Target Station (ITS) at Nuclotron. 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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