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Title: Constraints on the sum of the neutrino masses in dynamical dark energy models with w ( z ) - 1 are tighter than those obtained in Λ CDM

Abstract

In this work, we explore cosmological constraints on the sum of the three active neutrino masses Mν in the context of dynamical dark energy (DDE) models with equation of state (EoS) parametrized as a function of redshift z by w(z) = w0 + waz/(1 + z), and satisfying w(z) ≥ -1 for all z. We make use of cosmic microwave background data from the Planck satellite, baryon acoustic oscillation measurements, and supernovae Ia luminosity distance measurements, and perform a Bayesian analysis. We show that, within these models, the bounds on Mν do not degrade with respect to those obtained in the Λ CDM case; in fact, the bounds are slightly tighter, despite the enlarged parameter space. We explain our results based on the observation that, for fixed choices of w0, wa such that w(z) ≥ - 1 (but not w = -1 for all z), the upper limit on Mν is tighter than the Λ CDM limit because of the well-known degeneracy between w and Mν. The Bayesian analysis we have carried out then integrates over the possible values of w0 - wa such that w (z) ≥ -1, all of which correspond to tighter limits on Mν than themore » Λ CDM limit. We find a 95% credible interval (C.I.) upper bound of Mν < 0.13 eV . This bound can be compared with the 95% C.I. upper bounds of Mν < 0.16 eV , obtained within the Λ CDM model, and Mν < 0.41 eV, obtained in a DDE model with arbitrary EoS (which allows values of w < -1). Contrary to the results derived for DDE models with arbitrary EoS, we find that a dark energy component with w(z) ≥ -1 is unable to alleviate the tension between high-redshift observables and direct measurements of the Hubble constant H0. Lastly, in light of the results of this analysis, we also discuss the implications for DDE models of a possible determination of the neutrino mass ordering by laboratory searches.« less

Authors:
 [1];  [2];  [2];  [3];  [2];  [4]
  1. Stockholm Univ. (Sweden); The Nordic Institute for Theoretical Physics (NORDITA), Stockholm (Sweden)
  2. Stockholm Univ. (Sweden)
  3. Stockholm Univ. (Sweden); The Nordic Institute for Theoretical Physics (NORDITA), Stockholm (Sweden); Univ. of Michigan, Ann Arbor, MI (United States)
  4. Universidad de Valencia-CSIC, Valencia (Spain)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific; Univ. of Michigan, Ann Arbor, MI (United States) Computing Center (NERSC); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1544197
Alternate Identifier(s):
OSTI ID: 1475089; OSTI ID: 1647172
Grant/Contract Number:  
SC0007859; 638-2013-8993; FPA2014–57816-P; SEV-2014-0398; 690575; 674896
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 98; Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Cosmic microwave background; Cosmological parameters; Dark energy

Citation Formats

Vagnozzi, Sunny, Dhawan, Suhail, Gerbino, Martina, Freese, Katherine, Goobar, Ariel, and Mena, Olga. Constraints on the sum of the neutrino masses in dynamical dark energy models with w(z)≥-1 are tighter than those obtained in ΛCDM. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.083501.
Vagnozzi, Sunny, Dhawan, Suhail, Gerbino, Martina, Freese, Katherine, Goobar, Ariel, & Mena, Olga. Constraints on the sum of the neutrino masses in dynamical dark energy models with w(z)≥-1 are tighter than those obtained in ΛCDM. United States. doi:10.1103/PhysRevD.98.083501.
Vagnozzi, Sunny, Dhawan, Suhail, Gerbino, Martina, Freese, Katherine, Goobar, Ariel, and Mena, Olga. Mon . "Constraints on the sum of the neutrino masses in dynamical dark energy models with w(z)≥-1 are tighter than those obtained in ΛCDM". United States. doi:10.1103/PhysRevD.98.083501. https://www.osti.gov/servlets/purl/1544197.
@article{osti_1544197,
title = {Constraints on the sum of the neutrino masses in dynamical dark energy models with w(z)≥-1 are tighter than those obtained in ΛCDM},
author = {Vagnozzi, Sunny and Dhawan, Suhail and Gerbino, Martina and Freese, Katherine and Goobar, Ariel and Mena, Olga},
abstractNote = {In this work, we explore cosmological constraints on the sum of the three active neutrino masses Mν in the context of dynamical dark energy (DDE) models with equation of state (EoS) parametrized as a function of redshift z by w(z) = w0 + waz/(1 + z), and satisfying w(z) ≥ -1 for all z. We make use of cosmic microwave background data from the Planck satellite, baryon acoustic oscillation measurements, and supernovae Ia luminosity distance measurements, and perform a Bayesian analysis. We show that, within these models, the bounds on Mν do not degrade with respect to those obtained in the Λ CDM case; in fact, the bounds are slightly tighter, despite the enlarged parameter space. We explain our results based on the observation that, for fixed choices of w0, wa such that w(z) ≥ - 1 (but not w = -1 for all z), the upper limit on Mν is tighter than the Λ CDM limit because of the well-known degeneracy between w and Mν. The Bayesian analysis we have carried out then integrates over the possible values of w0 - wa such that w (z) ≥ -1, all of which correspond to tighter limits on Mν than the Λ CDM limit. We find a 95% credible interval (C.I.) upper bound of Mν < 0.13 eV . This bound can be compared with the 95% C.I. upper bounds of Mν < 0.16 eV , obtained within the Λ CDM model, and Mν < 0.41 eV, obtained in a DDE model with arbitrary EoS (which allows values of w < -1). Contrary to the results derived for DDE models with arbitrary EoS, we find that a dark energy component with w(z) ≥ -1 is unable to alleviate the tension between high-redshift observables and direct measurements of the Hubble constant H0. Lastly, in light of the results of this analysis, we also discuss the implications for DDE models of a possible determination of the neutrino mass ordering by laboratory searches.},
doi = {10.1103/PhysRevD.98.083501},
journal = {Physical Review D},
number = 8,
volume = 98,
place = {United States},
year = {2018},
month = {10}
}

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A 3% SOLUTION: DETERMINATION OF THE HUBBLE CONSTANT WITH THE HUBBLE SPACE TELESCOPE AND WIDE FIELD CAMERA 3
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Cosmological Parameter Uncertainties from Salt-Ii type ia Supernova Light Curve Models
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Impact of neutrino properties on the estimation of inflationary parameters from current and future observations
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Cardassian expansion: a model in which the universe is flat, matter dominated, and accelerating
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Neutrino masses and mixings: Status of known and unknown 3 ν parameters
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Dynamical dark energy: Scalar fields and running vacuum
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Improved photometric calibration of the SNLS and the SDSS supernova surveys
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Examining the viability of phantom dark energy
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A 2.4% Determination of the Local Value of the Hubble Constant
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CFHTLenS: the Canada–France–Hawaii Telescope Lensing Survey: CFHTLenS
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Is cosmic acceleration proven by local cosmological probes?
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The H 0 tension in light of vacuum dynamics in the universe
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Status of neutrino oscillations 2018: 3 σ hint for normal mass ordering and improved CP sensitivity
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Echo of interactions in the dark sector
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Bayes in the sky: Bayesian inference and model selection in cosmology
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Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing
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The viability of phantom dark energy: A review
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Are cosmological data sets consistent with each other within the Λ cold dark matter model?
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Physical effects involved in the measurements of neutrino masses with future cosmological data
journal, February 2017

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Constraints on neutrino masses from Planck and Galaxy clustering data
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Cosmological histories in bimetric gravity: a graphical approach
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No evidence for dynamical dark energy in two models
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Chasing the phantom: A closer look at type Ia supernovae and the dark energy equation of state
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CFHTLenS: combined probe cosmological model comparison using 2D weak gravitational lensing
journal, February 2013

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Exploring massive neutrinos in dark cosmologies with eftcamb/EFTCosmoMC
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Neutrino Mass from Cosmology
journal, January 2012

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CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments
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Impact of relativistic effects on cosmological parameter estimation
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Large-scale (in) stability analysis of an exactly solved coupled dark-energy model
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The cosmological constant and dark energy
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Distinguishing between neutrinos and time-varying dark energy through cosmic time
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Phantom and non-phantom dark energy: The cosmological relevance of non-locally corrected gravity
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The dynamics of quintessence, the quintessence of dynamics
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Apparent cosmic acceleration from Type Ia supernovae
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Neutrino physics from precision cosmology
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The little rip
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Limits of Quintessence
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Effects of neutrino mass hierarchies on dynamical dark energy models
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Inhomogeneous Viscous Fluids in a Friedmann-Robertson-Walker (FRW) Universe
journal, July 2013


Discerning dark energy models with high redshift standard candles
journal, August 2017

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Cosmological axion and neutrino mass constraints from Planck 2015 temperature and polarization data
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Do current cosmological observations rule out all covariant Galileons?
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Global Bayesian analysis of neutrino mass data
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Narrowing down the possible explanations of cosmic acceleration with geometric probes
journal, July 2017

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The cosmological constant problem
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Cosmological evolution of “hessence” dark energy and avoidance of the big rip
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Can interacting dark energy solve the H 0 tension?
journal, August 2017


Status of Neutrino Properties and Future Prospects—Cosmological and Astrophysical Constraints
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The neutrino mass bound from WMAP 3 year data, the baryon acoustic peak, the SNLS supernovae and the Lyman-α forest
journal, June 2006

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Cosmological consequences of a rolling homogeneous scalar field
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Neutrino and dark radiation properties in light of recent CMB observations
journal, May 2013

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The trouble with H 0
journal, October 2016

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Implications of an extended dark energy cosmology with massive neutrinos for cosmological tensions
journal, June 2018


Probing the Neutrino Mass Hierarchy beyond ΛCDM Model
journal, August 2018

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Objective Bayesian analysis of neutrino masses and hierarchy
journal, April 2018


Astronomical bounds on a cosmological model allowing a general interaction in the dark sector
journal, March 2018

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Strong evidence for an accelerating Universe
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ERRATUM: “A 3% SOLUTION: DETERMINATION OF THE HUBBLE CONSTANT WITH THE HUBBLE SPACE TELESCOPE AND WIDE FIELD CAMERA 3” (ApJ, 2011, 730, 119)
journal, April 2011


Recent developments in bimetric theory
journal, March 2016


Cosmology and the neutrino mass ordering
journal, November 2016


Neutrino Mass in Cosmology: Status and Prospects
journal, November 2011


Neutrino masses and their ordering: global data, priors and models
journal, March 2018

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Hiding neutrino mass in modified gravity cosmologies
journal, February 2017

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Comparison of thawing and freezing dark energy parametrizations
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Probing the interaction between dark matter and dark energy in the presence of massive neutrinos
journal, December 2016


Bimetric gravity is cosmologically viable
journal, September 2015


Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples
journal, August 2014


Global fit to three neutrino mixing: critical look at present precision
journal, December 2012

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