عنوان مجله
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EUROPEAN PHYSICAL JOURNAL C
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چکیده
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The R^2-gravity contribution to the energy loss of
a hot plasma due to gravitational bremsstrahlung is calculated
in the linearized theory on the basis of classical Coulomb
scattering of plasma constituents in small-angle scattering
approximation. The explicit dependence of the gravitational
luminosity on the plasma temperature is derived and its relevance
to the Einstein gravity is demonstrated. The result,
when applied to the Sun as a hot plasma, shows very good
agreement with available data.
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