Other
Scientific paper
May 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..35.2752a&link_type=abstract
Physical Review D (Particles and Fields), Volume 35, Issue 9, 1 May 1987, pp.2752-2757
Other
24
Particle Emission, Solar Wind
Scientific paper
Laboratory bounds on the couplings to electrons of light pseudoscalars such as axions, familons, Majorons, etc., are set with an ultralow-background germanium spectrometer using a realistic model for the Sun. In particular Dine-Fischler-Srednicki axion models with F/2x'e<~0.5×107 GeV are excluded. It should be emphasized that this is a laboratory bound. It does not rely on a detailed understanding of the dynamics and evolution of red giants, white dwarfs, or other stars as do the more speculative astrophysical bounds which are competitive with our laboratory bound. The lower limit should be improved to F/2x'e>1.8×107 GeV in the near future. It is shown that semiconducting Ge detectors for axions could eventually set limits F/2x'e>108 GeV. If discovered, axions or other light weakly interacting bosons would not only allow us to study physics at energies beyond the reach of accelerators but would also provide a new laboratory tool to study the deep interior of stars.
Avignone Frank T. III
Brodzinski Ronald L.
Dimopoulos Savas
Drukier Andrzej K.
Gelmini Graciela
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