Abstract
The polarization of the leading Λ hyperons produced on carbon and lead target nuclei by 4–10 GeV neutrons in the angle range Θ<8.5° with respect to the beam and with only neutral-particle accompaniment is measured: 〈Π〉=−0.096±0.018 for C and 〈Π〉=− 0.128±0.047 for Pb. The dependence of the polarization on the transverse momentum and the Feynman variable is measured. The normalized invariant cross section as a function of p 2⊥ is found to be approximated by the function A exp(−Bp 2⊥ ), where the parameter B is independent of the kind of nucleus (B=8.71±0.09 (GeV/c)−2 for carbon and B=8.83±0.18 (GeV/c)−2 for lead).
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Pis’ma Zh. Éksp. Teor. Fiz. 64, No. 4, 237–240 (25 August 1996)
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Vlasova, M.O., Galanina, N.D., Demidov, V.S. et al. Polarization of leading Λ hyperons produced by neutrons on target nuclei. Jetp Lett. 64, 258–262 (1996). https://doi.org/10.1134/1.567195
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DOI: https://doi.org/10.1134/1.567195