The BINGO/ABDUS Project: Forecast for cosmological parameters from a mock Fast Radio Bursts survey

TL;DR

This paper forecasts how data from the BINGO FRB survey can improve constraints on cosmological parameters, especially dark energy, when combined with existing datasets, highlighting FRBs as a promising cosmological probe.

Contribution

It presents the first detailed forecast of BINGO FRB survey's impact on constraining cosmological parameters and dark energy models using mock data and current datasets.

Findings

BINGO FRB data can constrain host galaxy DM and nuisance parameters.

FRBs can measure the degenerate w-H0 plane, inaccessible to CMB.

FRBs will significantly enhance our understanding of the cosmological model.

Abstract

There are various surveys that will provide excellent data to search for and localize Fast Radio Bursts (FRBs). The BINGO project will be one such survey, and this collaboration has already estimated a FRB detection rate that the project will yield. We present a forecast of the future constraints on our current cosmological model that the BINGO FRB detections and localizations will have when added to other current cosmological datasets. We quantify the dispersion measure (DM) as a function of redshift ($z$) for the BINGO FRB mock sample. Furthermore, we use current datasets (Supernovae, Baryonic Acoustic Oscillations, and Cosmic Microwave Background data) prior to assessing the efficacy of constraining dark energy models using Monte Carlo methods. Our results show that spatially localized BINGO FRB dataset will provide promising constraints on the population of host galaxies intrinsic DM and be able to measure the nuisance parameters present within a FRB cosmological analysis. They will also provide alternative estimates on other parameters such as the Hubble constant and the dark energy equation of state. In particular, we should see that BINGO FRB data can put constraints on the degenerate $w-H_0$ plane, which the CMB is incapable of measuring, allowing FRBs to be a viable alternative to BAO to constrain the dark energy equation of state. We conclude that FRBs remain a promising future probe for cosmology and that the FRBs localized by the BINGO project will contribute significantly to our knowledge of the current cosmological model.