Spin transfer in inclusive Λ0 production by transversely polarized protons at 200GeV/c

Fermilab E704 Collaboration

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Surprisingly large polarizations in hyperon production by unpolarized protons have been known for a long time. The spin dynamics of the production process can be further investigated with polarized beams. Recently, a negative asymmetry AN was found in inclusive Λ0 production with a 200GeV/c transversely polarized proton beam. The depolarization DNN in p↑+p→ Λ0 +X has been measured with the same beam over a wide xF range and at moderate pT. DNN reaches positive values of about 30% at high xF and pT∼1.0GeV/c. This result shows a sizable spin transfer from the incident polarized proton to the outgoing Λ0.

Original languageEnglish
Pages (from-to)4003-4006
Number of pages4
JournalPhysical Review Letters
Volume78
Issue number21
DOIs
StatePublished - 1997

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