摘要We study the constraint on deceleration parameter q from the recent SNeIa Gold dataset and observational Hubble data by using a model-independent deceleration parameter q(z)=1/2-a/(1+z)b under the five-dimensional bounce cosmological model. For the cases of SNeIa Gold dataset, Hubble data, and their combination, the present results show that the constraints on transition redshift zT are 0.35+0.14-0.07, 0.68+1.47-0.58, and 0.55+0.18-0.09 with 1σ errors, respectively.
Abstract：We study the constraint on deceleration parameter q from the recent SNeIa Gold dataset and observational Hubble data by using a model-independent deceleration parameter q(z)=1/2-a/(1+z)b under the five-dimensional bounce cosmological model. For the cases of SNeIa Gold dataset, Hubble data, and their combination, the present results show that the constraints on transition redshift zT are 0.35+0.14-0.07, 0.68+1.47-0.58, and 0.55+0.18-0.09 with 1σ errors, respectively.
LI Jie-Chao;XU Li-Xin;Lü Jian-Bo;CHANG Bao-Rong;LIU Hong-Ya. Constraints on Deceleration Parameter of a 5D Bounce Cosmological Model from Recent Cosmic Observations[J]. 中国物理快报, 2008, 25(2): 802-804.
LI Jie-Chao, XU Li-Xin, Lü Jian-Bo, CHANG Bao-Rong, LIU Hong-Ya. Constraints on Deceleration Parameter of a 5D Bounce Cosmological Model from Recent Cosmic Observations. Chin. Phys. Lett., 2008, 25(2): 802-804.
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