KiDS+GAMA: Constraints on Horndeski gravity from combined large-scale structure probes

24 Oct 2019 Mancini Alessio Spurio Köhlinger Fabian Joachimi Benjamin Pettorino Valeria Schäfer Björn Malte Reischke Robert van Uitert Edo Brieden Samuel Archidiacono Maria Lesgourgues Julien

We present constraints on Horndeski gravity from a combined analysis of cosmic shear, galaxy-galaxy lensing and galaxy clustering from $450\,\mathrm{deg}^2$ of the Kilo-Degree Survey (KiDS) and the Galaxy And Mass Assembly (GAMA) survey. The Horndeski class of dark energy/modified gravity models includes the majority of universally coupled extensions to $\Lambda$CDM with one scalar field in addition to the metric... (read more)

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  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS