Residual long-range pseudoscalar forces between unpolarised macroscopic bodies

Details Residual long-range pseudoscalar forces between unpolarised macroscopic bodies Residual long-range pseudoscalar forces between unpolarised macroscopic bodies

1994-04-11

arxiv.org/abs/hep-ph/9404249v1

Phys.Lett.B328:98-102,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, LaTeX document, UAB-FT-302 revised version

Scientific paper

10.1016/0370-2693(94)90434-0

In this paper we survey the effects of residual long-range forces associated to $\gamma_5$-spin dependent-couplings of fermions to massless bosons exerted by unpolarised bulk matter over macroscopic distances. We establish that such forces with behaviour proportional to $R^{-6}$ do indeed exist. They arise as a quantum mechanical effect due to simultaneous exchange of two quanta. We explore their presence in existing astronomical as well as laboratory data on non-newtonian components of the force between macroscopic bodies. Since no limits on their real existence could be found, we conclude that residual long-range pseudoscalar attractive and composition dependent forces between neutral unpolarised bulk matter extending over macroscopic distances are very efficiently shielded over a huge range of distances: from astronomical scales down to the micron scale.

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