Abstract
Both Λ0 polarization from inclusive and exclusive p-Nucleus reactions follow the same trend as function of xF and [Formula: see text]. It is valid for -1.0<xF<+1.0 and 0.0<PT<2.0 GeV/c and for Nucleus=p, Be, Cu, W and Pb. The value of a depends on the target nature: it is -(0.443 ± 0.037), in exclusive pp reactions; -(0.376 ± 0.024), in inclusive pp reactions; -(0.232 ± 0.012), in inclusive p Be reactions; -(0.124 ± 0.015), in inclusive p Cu reactions; -(0.274 ± 0.023), in inclusive p W reactions; -(0.147 ± 0.023), in inclusive p Pb reactions. It is independent of the beam energy. And this equation is the most simple bilinear form that describes Λ0 polarization in -1.0<xF<+1.0 and 0.0<PT<2.0 GeV/c .
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