Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts

Freitas RC, Goncalves SVB, Velten H (2010)
Phys. Lett. B 703(3): 209-216.

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We study the generalized Chaplygin gas model (GCGM) using Gamma-ray bursts as cosmological probes. In order to avoid the so-called circularity problem we use cosmology-independent data set and Bayesian statistics to impose constraints on the model parameters. We observe that a negative value for the parameter alpha is favoured in a flat Universe and the estimated value of the parameter H(0) is lower than that found in literature.
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Freitas RC, Goncalves SVB, Velten H. Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts. Phys. Lett. B. 2010;703(3):209-216.
Freitas, R. C., Goncalves, S. V. B., & Velten, H. (2010). Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts. Phys. Lett. B, 703(3), 209-216.
Freitas, R. C., Goncalves, S. V. B., and Velten, H. (2010). Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts. Phys. Lett. B 703, 209-216.
Freitas, R.C., Goncalves, S.V.B., & Velten, H., 2010. Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts. Phys. Lett. B, 703(3), p 209-216.
R.C. Freitas, S.V.B. Goncalves, and H. Velten, “Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts”, Phys. Lett. B, vol. 703, 2010, pp. 209-216.
Freitas, R.C., Goncalves, S.V.B., Velten, H.: Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts. Phys. Lett. B. 703, 209-216 (2010).
Freitas, R.C., Goncalves, S.V.B., and Velten, Hermano. “Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts”. Phys. Lett. B 703.3 (2010): 209-216.
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