Spin Transfer in Exclusive Λ Production from pp Collisions at 3.67GeV/c

F. Balestra et al. (DISTO Collaboration)
Phys. Rev. Lett. 83, 1534 – Published 23 August 1999
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Abstract

We report the first polarization transfer measurements for exclusive hyperon production reactions. The normal spin transfer coefficient DNN for pppK+Λ 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 DNN is opposite to that observed in the fragmentation regime for inclusive Λ production at much higher energies.

  • Received 6 November 1998

DOI:https://doi.org/10.1103/PhysRevLett.83.1534

©1999 American Physical Society

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Vol. 83, Iss. 8 — 23 August 1999

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