Canuto et al. 1980

Canuto, V.M., J.R. Owen, and J.V. Narlikar, 1980: The diffuse gamma-ray background in the Hoyle-Narlikar cosmology. Astron. Astrophys., 92, 26-29.

In this paper we analyze the contribution of QSO's, BL-Lac's and Seyfert galaxies to the diffuse gamma-ray background within the framework of the Hoyle-Narlikar theory.

It is shown that the inconsistency reported in standard theory, namely that the evolutionary function needed to explain the gamma-ray data is very different from the one derived from the optical part of the spectrum, is no longer present.

It is also shown that the contribution of a variable gravitational "constant" to the expression for the diffuse background is the same as that of a density evolution function.

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Canuto, V.M., Owen, J.R., and Narlikar, J.V.: The diffuse gamma-ray background in the Hoyle-Narlikar cosmology, Astron. Astrophys., 92, 26-29, 1980.

Canuto, V.M., J.R. Owen, and J.V. Narlikar (1980), The diffuse gamma-ray background in the Hoyle-Narlikar cosmology, Astron. Astrophys., 92, 26-29.

Canuto, V.M., J.R. Owen, and J.V. Narlikar, 1980: The diffuse gamma-ray background in the Hoyle-Narlikar cosmology. Astron. Astrophys., 92, 26-29.

Canuto, V.M., Owen, J.R., & Narlikar, J.V. 1980, Astron. Astrophys., 92, 26.

Canuto VM, Owen JR, Narlikar JV. The diffuse gamma-ray background in the Hoyle-Narlikar cosmology, Astron Astrophys 1980;92:26-29.

V.M. Canuto, J.R. Owen, J.V. Narlikar, Astron. Astrophys. 92, 26-29 (1980).