Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-07-18
Phys.Rev.D79:107301,2009
Astronomy and Astrophysics
Astrophysics
4 pages, 1 figure, version accepted by PRD. Results corrected for erroneous axio-electric and Compton cross sections in the li
Scientific paper
10.1103/PhysRevD.79.107301
The all-flavor solar neutrino flux measured by the Sudbury Neutrino Observatory (SNO) constrains nonstandard energy losses to less than about 10% of the Sun's photon luminosity, superseding a helioseismological argument and providing new limits on the interaction strength of low-mass particles. For the axion-photon coupling strength we find g_a\gamma < 7E-10 1/GeV. We also derive explicit limits on the Yukawa coupling to electrons of pseudoscalar, scalar and vector bosons with keV-scale masses.
Gondolo Paolo
Raffelt Georg
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