Testing Modified Gravity theory (MOG) with Type Ia Supernovae, Cosmic Chronometers and Baryon Acoustic Oscillations

Negrelli, Carolina; Kraiselburd, Lucila; Landau, Susana; Scóccola, Claudia G.

doi:10.1088/1475-7516/2020/07/015

Testing Modified Gravity theory (MOG) with Type Ia Supernovae, Cosmic Chronometers and Baryon Acoustic Oscillations

Carolina Negrelli
(
- La Plata U. and
- Buenos Aires, CONICET
)
,
Lucila Kraiselburd
(
- La Plata U. and
- Buenos Aires, CONICET
)
,
Susana Landau
(
- Buenos Aires U.
)
,
Claudia G. Scóccola
(
- La Plata U. and
- Buenos Aires, CONICET
)

Apr 28, 2020

21 pages

Published in:

JCAP 07 (2020) 015

Published: Jul 6, 2020

e-Print:

2004.13648 [astro-ph.CO]

DOI:

10.1088/1475-7516/2020/07/015

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Abstract: (IOP)

We analyse the MOdified Gravity (MOG) theory, proposed by Moffat, in a cosmological context. We use data from Type Ia Supernovae (SNe Ia), Baryon Acoustic Oscillations (BAO) and Cosmic Chronometers (CC) to test MOG predictions. For this, we perform χ2 tests considering fixed values of H0 and VG, the self-interaction potential of one of the scalar fields in the theory. Our results show that the MOG theory is in agreement with all data sets for some particular values of H0 and VG, being the BAO data set the most powerful tool to test MOG predictions, due to its constraining power.

Note:

21 pages, 6 figures, replaced to match published version

baryon: oscillation: acoustic
field theory: scalar
gravitation: model
supernova
cosmological model
statistical analysis
Hubble constant

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