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Λ0 polarization as function of target density

V M Castillo-Vallejo1, J Félix2 and V Gupta1

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Λ0 polarization (P) depends on xf and pt; it depends also on the density of the target material: P(xf, pt, ρ) = (κ0/(λ0 + ρ/ρw))xf pt, with κ0 = −0.423 ± 0.065 (GeV/c)−1 and λ0 = 1.191 ± 0.200 in the range 0 < pt < 1.2 GeV. Here ρ is the target material density and ρw is the Tungsten density. From this equation, it follows that Λ0 polarization is reduced by target density.


PACS

21.30.Fe Forces in hadronic systems and effective interactions

24.70.+s Polarization phenomena in reactions

14.20.Jn Hyperons

21.10.-k Properties of nuclei; nuclear energy levels

13.88.+e Polarization in interactions and scattering

Subjects

Nuclear physics

Particle physics and field theory

Dates

Issue 1 (2006)



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