Polarization and spin correlation parameters in proton knockout reactions from s1/2 - orbits at 1 GeV
O. V. Miklukho, A. Yu. Kisselev, D. A. Aksenov, G. M. Amalsky, V. A., Andreev, S. V. Evstiukhin, A. E. Ezhilov, O. Ya. Fedorov, G. E. Gavrilov, D., S. Ilyin, A. A. Izotov, L. M. Kochenda, P. A. Kravtsov, M. P. Levchenko, D., A. Maysuzenko, V. A. Murzin, T. Noro, D. V. Novinsky
TL;DR
This paper reports measurements of proton polarization and spin correlation parameters in (p,2p) reactions at 1 GeV, providing new data on spin dynamics in nuclear reactions involving s1/2 orbit protons.
Contribution
It presents the first measurements of spin correlation parameters Cij in (p,2p) reactions at 1 GeV for 4He and 12C nuclei, expanding understanding of spin effects in nuclear knockout reactions.
Findings
Measured polarization of secondary protons in (p,2p) reactions.
Obtained first data on spin correlation parameters Cij for 4He and 12C.
Demonstrated the use of a two-arm magnetic spectrometer with polarimeters.
Abstract
The polarization of the secondary protons (P1,2) in the (p,2p) reaction with the S - shell protons of nuclei 4He, 6Li, 12C, 28Si, 40Ca was measured at 1 GeV unpolarized proton beam. The spin correlation parameters Cij for the 4He and 12C targets also were for the first time obtained. The polarization measurements were performed by means of a two - arm magnetic spectrometer each arm of which was equipped with multiwire - proportional chambers polarimeter.
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Taxonomy
TopicsNuclear physics research studies · Nuclear Physics and Applications · Particle physics theoretical and experimental studies