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- W4386967782 abstract "Abstract This article presents a novel parametrization of the deceleration parameter (DP) to investigate the cosmological scenario. The newly proposed parametric form of the DP is both physically plausible and model-independent. Constrained by a combined dataset of 31 cosmic chronometers (CC) data points, 26 non-correlated baryonic acoustic oscillations (BAO) points, and 1701 Pantheon $$+$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mo>+</mml:mo> </mml:math> data points from supernovae type Ia (SNeIa), we determine the model parameters using a Markov Chain Monte Carlo (MCMC) method. The analysis explores the kinematic behavior of the model, including the transition from deceleration to acceleration. The results indicate that the Universe is currently in an accelerated phase. Furthermore, we apply the obtained parameter values to constrain f ( Q ) gravity models and compare them with observations. This study provides valuable insights into the accelerating Universe and underscores the importance of employing a model-independent approach in cosmological investigations." @default.
- W4386967782 created "2023-09-23" @default.
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- W4386967782 date "2023-09-22" @default.
- W4386967782 modified "2023-09-29" @default.
- W4386967782 title "Impact of a newly parametrized deceleration parameter on the accelerating universe and the reconstruction of f(Q) non-metric gravity models" @default.
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- W4386967782 doi "https://doi.org/10.1140/epjc/s10052-023-12029-1" @default.
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