Short-Range, Spin-Dependent Interactions of Electrons: A Probe for Exotic Pseudo-Goldstone Bosons | Zendy

W. A. Terrano | Zendy; E. G. Adelberger | Zendy; J. G. Lee | Zendy; B. R. Heckel | Zendy

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Short-Range, Spin-Dependent Interactions of Electrons: A Probe for Exotic Pseudo-Goldstone Bosons

Author(s) -

W. A. Terrano,

E. G. Adelberger,

J. G. Lee,

B. R. Heckel

Publication year - 2015

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.115.201801

Subject(s) - physics , goldstone boson , boson , dipole , electron , symmetry breaking , magnetic monopole , attractor , spin (aerodynamics) , magnetic dipole , particle physics , quantum electrodynamics , nuclear physics , quantum mechanics , mathematical analysis , mathematics , thermodynamics

We used a torsion pendulum and rotating attractor with 20-pole electron-spin distributions to probe dipole-dipole interactions mediated by exotic pseudo-Goldstone bosons with m_{b}c^{2}≤500 μeV and coupling strengths up to 14 orders of magnitude weaker than electromagnetism. This corresponds to symmetry-breaking scales F≤70 TeV, the highest reached in any laboratory experiment. We used an attractor with a 20-pole unpolarized mass distribution to improve laboratory bounds on CP-violating monopole-dipole forces with 1.5 μeV

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