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Relaxing cosmological constraints on current neutrino masses: Acknowledgment, Appendix & Referencesby@cosmological
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Relaxing cosmological constraints on current neutrino masses: Acknowledgment, Appendix & References

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In this paper, researchers present a mass-varying neutrino model driven by scalar field dark energy, relaxing the upper bound on current neutrino mass.
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This paper is available on arxiv under CC 4.0 license.

Authors:

(1) Vitor da Fonseca, Instituto de Astrof´ısica e Ciˆencias do Espa¸co, Faculdade de Ciˆencias da Universidade de Lisboa;

(2) Tiago Barreiro, Instituto de Astrof´ısica e Ciˆencias do Espa¸co, Faculdade de Ciˆencias da Universidade de Lisboa and 2ECEO, Universidade Lus´ofona;

(3) Nelson J. Nunes, Instituto de Astrof´ısica e Ciˆencias do Espa¸co, Faculdade de Ciˆencias da Universidade de Lisboa.

ACKNOWLEDGMENTS

The authors would like to thank C. van de Bruck and D. F. Mota for the fruitful discussions. This work is supported by the Funda¸c˜ao para a Ciˆencia e a Tecnologia (FCT) through the research grants UIDB/04434/2020 and UIDP/04434/2020, and the BEYLA project PTDC/FIS-AST/0054/2021. V.d.F. acknowledges FCT support through fellowship 2022.14431.BD.

Appendix A: Parameter constraints for the MaVaN and the uncoupled scalar field models

In the appendix we show the triangular plots of the analysis made with the Plk18+BAO data for the MaVaN model (β free) and the uncoupled case (β = 0), i.e. no interaction between the quintessence component and the neutrino fluid.


FIG. 9: Probability distributions and 2D marginalized contours (68% and 95% CL) obtained with the Plk18+BAO data set.

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