Polarization in quasielastic (p,2p) scattering on a 4He nucleus at 1 GeV

O. V. Miklukho, G. M. Amalsky, V. A. Andreev, S. L. Belostotsky, D. O. Veretennikov, Yu V. Elkin, A. A. Zhdanov, A. A. Izotov, A. Yu Kiselev, A. I. Kovalev, L. M. Kochenda, M. P. Levchenko, T. Noro, A. N. Prokofiev, D. A. Prokofiev, H. Sakaguchi, V. Yu Trautman, V. A. Trofimov, S. I. Trush, O. Ya FedorovK. Hatanaka, A. V. Shvedchikov

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5 Citations (Scopus)


The polarization of secondary protons from the (p, 2p) reaction induced by 1-GeV protons incident to a 4He nucleus was measured in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons from this reaction were recorded in coincidence at unequal scattering angles of Θ1 = 18°-24.21° and Θ2 = 53.22° over a broad range of the recoil-nucleus momentum K B between 0 and 150 MeV/c. It was found that the measured polarization of either secondary proton is less than that observed in free elastic proton-proton scattering. The magnitude of this difference is determined by the mean binding energy of s-shell protons rather than by the effective nuclear density. The polarizations measured in inclusive quasielastic and elastic scattering of 1-GeV protons on 4He nuclei are presented for scattering angles in the range Θ1 = 18° - 24.21°.

Original languageEnglish
Pages (from-to)452-459
Number of pages8
JournalPhysics of Atomic Nuclei
Issue number3
Publication statusPublished - Mar 2006

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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