New constraints on composition-dependent interactions weaker than gravity

E. G. Adelberger, C. W. Stubbs, W. F. Rogers, F. J. Raab, B. R. Heckel, J. H. Gundlach, H. E. Swanson, and R. Watanabe
Phys. Rev. Lett. 59, 849 – Published 24 August 1987; Erratum Phys. Rev. Lett. 59, 1790 (1987)
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Abstract

Results from two recent ‘‘fifth-force’’ experiments disagree when analyzed in terms of a single baryonic interaction. We consider an interaction coupling to q5=B cosθ5+L sinθ5 where θ5 has a value that could explain our null Cu-Be data while preserving Thieberger’s positive Cu-H2O result. (B and L are baryon and lepton number, respectively.) We present new Al-Be data that rule out this possibility except for a narrow region around θ5≊-63° (q5I3, the third component of isospin), where the q5 of terrestrial sources vanishes.

  • Received 9 June 1987

DOI:https://doi.org/10.1103/PhysRevLett.59.849

©1987 American Physical Society

Erratum

New Constraints on Composition-Dependent Interactions Weaker than Gravity

E. G. Adelberger, C. W. Stubbs, W. F. Rogers, F. J. Raab, B. R. Heckel, J. H. Gundlach, H. E. Swanson, and R. Watanabe
Phys. Rev. Lett. 59, 1790 (1987)

Authors & Affiliations

E. G. Adelberger, C. W. Stubbs, W. F. Rogers, F. J. Raab, B. R. Heckel, J. H. Gundlach, H. E. Swanson, and R. Watanabe

  • Physics Department FM-15, University of Washington, Seattle, Washington 98195

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Vol. 59, Iss. 8 — 24 August 1987

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