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Spin transfer in exclusive Λ production from pp collisions at 3.67GeV/c

Physical Review Letters, ISSN: 1079-7114, Vol: 83, Issue: 8, Page: 1534-1537
1999
  • 52
    Citations
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  • 5
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Metrics Details

  • Citations
    52
    • Citation Indexes
      52
  • Captures
    5

Article Description

We report the first polarization transfer measurements for exclusive hyperon production reactions. The normal spin transfer coefficient D for pp → pKΛ is large and negative for forward Λ production at a beam momentum of 3.67GeV/c, a result qualitatively consistent with expectations for a mechanism dominated by kaon exchange and rescattering. The sign of D is opposite to that observed in the fragmentation regime for inclusive Λ production at much higher energies. © 1999 The American Physical Society.

Bibliographic Details

F. Balestra; Y. Bedfer; R. Bertini; L. C. Bland; A. Brenschede; F. Brochard; M. P. Bussa; V. Chalyshev; Seonho Choi; M. Debowski; M. Dzemidzic; J.-Cl. Faivre; I. V. Falomkin; L. Fava; L. Ferrero; J. Foryciarz; V. Frolov; R. Garfagnini; D. Gill; A. Grasso; S. Heinz; V. V. Ivanov; W. W. Jacobs; W. Kühn; A. Maggiora; M. Maggiora; A. Manara; D. Panzieri; H.-W. Pfaff; G. Piragino; G. B. Pontecorvo; A. Popov; J. Ritman; P. Salabura; F. Tosello; S. E. Vigdor; G. Zosi

American Physical Society (APS)

Physics and Astronomy

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