Measurement of tensor polarization of deuterons from 3He→d+p breakup at momenta from 4.60 to 5.66 GeV/c
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2011-09-19
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Abstract
The tensor polarization ρ20 of deuterons emitted in the 1H(3He,d↔)Χ reaction at 0° in the laboratory system was measured at the Saturne National Laboratory in Saclay using the SPES-4 spectrometer with the HYPOM polarimeter located downstream from its focal plane. The momentum of the detected deuterons was kept fixed at 3.77 GeV/c, while the momentum of the 3He beam was varied from 4.60 to 5.66 GeV/c, thus providing a range of internal momenta κ of the deuteron in 3He from 0 up to 0.4 GeV/c. The data obtained are compared with theoretical predictions. © 2011 American Physical Society.