Elastic scattering of polarized protons on 3He nucleus within the Glauber model with spin dependence

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Resumo

Differential cross sections and vector analyzing powers of elastic p3He scattering at energies 156≤Tp≤1000 MeV are calculated on the basis of the Glauber diffraction model with accounting of spin dependence of the NN-scattering amplitudes. Explicite formulae for all six invariant amplitudes of the p3He scattering for meachanisms of single-, double- and triple-scattering are obtained for the first time. A good agreement with the experimental data both for the differential cross sections and spin observables was found for scattering into the forward hemisphere. Furthermore, explicite formulae for the p3He scattering amplitudes with violation of the time-reversal invariance but conservation of P-parity are obtained and can these be used to test the T-invariance in this and others processes.

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Sobre autores

M. Platonova

Lomonosov Moscow State University; Joint Institute for Nuclear Research

Autor responsável pela correspondência
Email: uzikov@jinr.ru

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University; Dzhelepov Laboratory of Nuclear Problems, Joint Institute for Nuclear Research

Rússia, Moscow; Dubna

N. Tursunbayev

Joint Institute for Nuclear Research

Email: uzikov@jinr.ru

Dzhelepov Laboratory of Nuclear Problems

Rússia, Dubna

Yu. Uzikov

Joint Institute for Nuclear Research; Lomonosov Moscow State University, Faculty of Physics; Dubna State University

Email: uzikov@jinr.ru

Dzhelepov Laboratory of Nuclear Problems, Joint Institute for Nuclear Research; Lomonosov Moscow State University, Faculty of Physics

Rússia, Dubna; Moscow; Dubna

Bibliografia

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2. Fig. 1. Differential cross sections of elastic p3He scattering at incident proton energies Tp = 156 (a), 300 (b), 515 (c), and 1000 (d) MeV. Shown are the contributions of single (dashed curves, SS), double (dotted-dashed, DS), triple (dash-dot-dotted, TS), and triple in the q / 3 approximation (thin solid, TS(q / 3)) scattering, respectively (see text). The dash-dotted curves show the total contribution of single and double scattering, and the solid curves show the full calculation (the sum of all three multiplicities). The dots are the experimental data from [5].

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3. Fig. 2. Proton analyzing powers in elastic p3He scattering at incident proton energies Tp = 156 (a), 300 (b), 515 (c) MeV. For a description of the points and curves, see the caption to Fig. 1.

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