Light Pseudoscalar Particle and Stellar Energy Loss

A bound on the coupling strengths of a very light pseudoscalar particle is derived from stellar energy loss at various stages of evolution: the sun, red giants, and cooling white dwarfs. The dimensionless Yukawa and 2γ couplings must be less than 10−11.

PSEUDOSCALAR MESON: POSTULATED PARTICLE
POSTULATED PARTICLE: AXION
POSTULATED PARTICLE: MAJORON
ASTROPHYSICS
ENERGY LOSS
COUPLING: YUKAWA
YUKAWA: COUPLING
COUPLING: TWO-PHOTON
TWO-PHOTON: COUPLING
COMPTON SCATTERING: FEYNMAN GRAPH

References(22)

Figures(0)

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