Dark matter local density determination: recent observations and future prospects

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Dark matter local density determination : recent observations and future prospects. / de Salas, Pablo F.; Widmark, A.

In: Reports on Progress in Physics, Vol. 84, No. 10, 104901, 05.10.2021.

Research output: Contribution to journal › Review › Research › peer-review

Harvard

de Salas, PF & Widmark, A 2021, 'Dark matter local density determination: recent observations and future prospects', Reports on Progress in Physics, vol. 84, no. 10, 104901. https://doi.org/10.1088/1361-6633/ac24e7

APA

de Salas, P. F., & Widmark, A. (2021). Dark matter local density determination: recent observations and future prospects. Reports on Progress in Physics, 84(10), [104901]. https://doi.org/10.1088/1361-6633/ac24e7

Vancouver

de Salas PF, Widmark A. Dark matter local density determination: recent observations and future prospects. Reports on Progress in Physics. 2021 Oct 5;84(10). 104901. https://doi.org/10.1088/1361-6633/ac24e7

Author

de Salas, Pablo F. ; Widmark, A. / Dark matter local density determination : recent observations and future prospects. In: Reports on Progress in Physics. 2021 ; Vol. 84, No. 10.

Bibtex

@article{8481390496074fea9df7f274b0773e2c,
title = "Dark matter local density determination: recent observations and future prospects",
abstract = "This report summarises progress made in estimating the local density of dark matter (rho(DM,circle dot)), a quantity that is especially important for dark matter direct detection experiments. We outline and compare the most common methods to estimate rho(DM,circle dot) and the results from recent studies, including those that have benefited from the observations of the ESA/Gaia satellite. The result of most local analyses coincide within a range of rho(DM,circle dot) similar or equal to 0.4-0.6GeVcm(-3) = 0.011-0.016M(circle dot)/pc(3), while a slightly lower range of rho(DM,circle dot) similar or equal to 0.3-0.5GeVcm(-3) = 0.008-0.013M(circle dot)/pc(3) is preferred by most global studies. In light of recent discoveries, we discuss the importance of going beyond the approximations of what we define as the ideal Galaxy (a steady-state Galaxy with axisymmetric shape and a mirror symmetry across the mid-plane) in order to improve the precision of rho(DM,circle dot) measurements. In particular, we review the growing evidence for local disequilibrium and broken symmetries in the present configuration of the Milky Way, as well as uncertainties associated with the galactic distribution of baryons. Finally, we comment on new ideas that have been proposed to further constrain the value of rho(DM,circle dot), most of which would benefit from Gaia's final data release.",
keywords = "dark matter, local dark matter density, galactic astrophysics, milky way, SURFACE MASS DENSITY, MILKY-WAY, GALACTIC DISK, ROTATION CURVE, SOLAR NEIGHBORHOOD, GAIA DR2, STELLAR, GALAXY, HALO, KINEMATICS",
author = "{de Salas}, {Pablo F.} and A. Widmark",
year = "2021",
month = oct,
day = "5",
doi = "10.1088/1361-6633/ac24e7",
language = "English",
volume = "84",
journal = "Reports on Progress in Physics",
issn = "0034-4885",
publisher = "Institute of Physics Publishing Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - Dark matter local density determination

T2 - recent observations and future prospects

AU - de Salas, Pablo F.

AU - Widmark, A.

PY - 2021/10/5

Y1 - 2021/10/5

N2 - This report summarises progress made in estimating the local density of dark matter (rho(DM,circle dot)), a quantity that is especially important for dark matter direct detection experiments. We outline and compare the most common methods to estimate rho(DM,circle dot) and the results from recent studies, including those that have benefited from the observations of the ESA/Gaia satellite. The result of most local analyses coincide within a range of rho(DM,circle dot) similar or equal to 0.4-0.6GeVcm(-3) = 0.011-0.016M(circle dot)/pc(3), while a slightly lower range of rho(DM,circle dot) similar or equal to 0.3-0.5GeVcm(-3) = 0.008-0.013M(circle dot)/pc(3) is preferred by most global studies. In light of recent discoveries, we discuss the importance of going beyond the approximations of what we define as the ideal Galaxy (a steady-state Galaxy with axisymmetric shape and a mirror symmetry across the mid-plane) in order to improve the precision of rho(DM,circle dot) measurements. In particular, we review the growing evidence for local disequilibrium and broken symmetries in the present configuration of the Milky Way, as well as uncertainties associated with the galactic distribution of baryons. Finally, we comment on new ideas that have been proposed to further constrain the value of rho(DM,circle dot), most of which would benefit from Gaia's final data release.

AB - This report summarises progress made in estimating the local density of dark matter (rho(DM,circle dot)), a quantity that is especially important for dark matter direct detection experiments. We outline and compare the most common methods to estimate rho(DM,circle dot) and the results from recent studies, including those that have benefited from the observations of the ESA/Gaia satellite. The result of most local analyses coincide within a range of rho(DM,circle dot) similar or equal to 0.4-0.6GeVcm(-3) = 0.011-0.016M(circle dot)/pc(3), while a slightly lower range of rho(DM,circle dot) similar or equal to 0.3-0.5GeVcm(-3) = 0.008-0.013M(circle dot)/pc(3) is preferred by most global studies. In light of recent discoveries, we discuss the importance of going beyond the approximations of what we define as the ideal Galaxy (a steady-state Galaxy with axisymmetric shape and a mirror symmetry across the mid-plane) in order to improve the precision of rho(DM,circle dot) measurements. In particular, we review the growing evidence for local disequilibrium and broken symmetries in the present configuration of the Milky Way, as well as uncertainties associated with the galactic distribution of baryons. Finally, we comment on new ideas that have been proposed to further constrain the value of rho(DM,circle dot), most of which would benefit from Gaia's final data release.

KW - dark matter

KW - local dark matter density

KW - galactic astrophysics

KW - milky way

KW - SURFACE MASS DENSITY

KW - MILKY-WAY

KW - GALACTIC DISK

KW - ROTATION CURVE

KW - SOLAR NEIGHBORHOOD

KW - GAIA DR2

KW - STELLAR

KW - GALAXY

KW - HALO

KW - KINEMATICS

U2 - 10.1088/1361-6633/ac24e7

DO - 10.1088/1361-6633/ac24e7

M3 - Review

C2 - 34496352

VL - 84

JO - Reports on Progress in Physics

JF - Reports on Progress in Physics

SN - 0034-4885

IS - 10

M1 - 104901

ER -

ID: 281983765