New measurement of the Λ helicity in the decay Ξ0Λπ0

G. Bunce, R. Handler, R. March, P. Martin, L. Pondrom, M. Sheaff, K. Heller, O. E. Overseth, P. Skubic, T. Devlin, B. Edelman, R. T. Edwards, L. Schachinger, and S. P. Yamin
Phys. Rev. D 18, 633 – Published 1 August 1978
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Abstract

A sample of 6075 decays of unpolarized Ξ0 hyperons has been obtained in the Fermilab neutral-hyperon beam. All decay products from the sequence Ξ0π0Λ, π0γγ, Λpπ were detected. Analysis of the proton asymmetry in the Λ decay gave αΞ0αΛ=0.317±0.027 or αΞ0=0.490±0.042. A comparison with the world average for αΞ gives a ΔI=32 amplitude of 25 ± 9%.

  • Received 27 February 1978

DOI:https://doi.org/10.1103/PhysRevD.18.633

©1978 American Physical Society

Authors & Affiliations

G. Bunce*, R. Handler, R. March, P. Martin, L. Pondrom, and M. Sheaff

  • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

K. Heller, O. E. Overseth, and P. Skubic

  • Department of Physics, University of Michigan, Ann Arbor, Michigan 48109

T. Devlin, B. Edelman§, R. T. Edwards, L. Schachinger, and S. P. Yamin*

  • Department of Physics, Rutgers, The State University, Piscatway, New Jersey 08854

  • *Present address: Brookhaven National Laboratory, Upton, N.Y. 11973.
  • Present address: Lawrence Berkeley Laboratory, Berkeley, Cal. 94720.
  • Present address: Physics Department, Rutgers—The State University, Piscataway, N.J. 08854.
  • §Present address: Ford Motor Company, Allen Park, Michigan 48101.
  • Present address: Bell Laboratories, Holmdel, N. J. 07733.

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Vol. 18, Iss. 3 — 1 August 1978

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