SPIN EFFECTS IN HADRON SCATTERING AT LARGE ANGLES AND QUARK INTERACTION DYNAMICS

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Abstract
Spin correlation parameter Ann (s, 90°) and polarization parameter P(s, θ) behaviour in the large angle pp- and ΠN-scattering is considered in the approach, based on the three-dimensional equation for the scattering amplitude in QFT. Parameters Ann and Aℓℓ may have oscillating behaviour with s, and their asymptotic values are 1/3 and -1/3, respectively. This allows one to explain ZGS spin effects. Polarisation P(s, θ) in large angle scattering may get a considerable value and does not decrease with s. Relations between s-dependencies of P(s, θ), Ann (s, 90o) and dσ/dt (s, 90°) are discussed

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