Second Data Release from the European Pulsar Timing Array: Challenging the Ultralight Dark Matter Paradigm
Journal
Date Issued
2023
Author(s)
Smarra, Clemente
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Goncharov, Boris
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Barausse, Enrico
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Antoniadis, J.
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Babak, S.
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Nielsen, A. -S. Bak
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Bassa, C. G.
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Berthereau, A.
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Bonetti, M.
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Bortolas, E.
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Brook, P. R.
•
•
Caballero, R. N.
•
Chalumeau, A.
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Champion, D. J.
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Chanlaridis, S.
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Chen, S.
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Cognard, I.
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Desvignes, G.
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Falxa, M.
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Ferdman, R. D.
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Franchini, A.
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Gair, J. R.
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Graikou, E.
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Grießmeier, J. -M.
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Guillemot, L.
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Guo, Y. J.
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Hu, H.
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Iraci, F.
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Izquierdo-Villalba, D.
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Jang, J.
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Jawor, J.
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Janssen, G. H.
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Jessner, A.
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Karuppusamy, R.
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Keane, E. F.
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Keith, M. J.
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Kramer, M.
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Krishnakumar, M. A.
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Lackeos, K.
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Lee, K. J.
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Liu, K.
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Liu, Y.
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Lyne, A. G.
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McKee, J. W.
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Main, R. A.
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Mickaliger, M. B.
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Niţu, I. C.
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Parthasarathy, A.
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Perera, B. B. P.
•
•
Petiteau, A.
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Porayko, N. K.
•
•
Leclere, H. Quelquejay
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Samajdar, A.
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Sanidas, S. A.
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Sesana, A.
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Shaifullah, G.
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Speri, L.
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Spiewak, R.
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Stappers, B. W.
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Susarla, S. C.
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Theureau, G.
•
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van der Wateren, E.
•
Vecchio, A.
•
Krishnan, V. Venkatraman
•
Wang, J.
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Wang, L.
•
Wu, Z.
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European Pulsar Timing Array
Abstract
Pulsar Timing Array experiments probe the presence of possible scalar or pseudoscalar ultralight dark matter particles through decade-long timing of an ensemble of galactic millisecond radio pulsars. With the second data release of the European Pulsar Timing Array, we focus on the most robust scenario, in which dark matter interacts only gravitationally with ordinary baryonic matter. Our results show that ultralight particles with masses 10-24.0 eV ≲m ≲10-23.3 eV cannot constitute 100% of the measured local dark matter density, but can have at most local density ρ ≲0.3 GeV /cm3 ....
Volume
131
Issue
17
Start page
171001
Issn Identifier
0031-9007
Ads BibCode
2023PhRvL.131q1001S
Rights
open.access
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