Second Data Release from the European Pulsar Timing Array: Challenging the 
Ultralight Dark Matter Paradigm

Smarra, Clemente; Goncharov, Boris; Barausse, Enrico; Antoniadis, J.; Babak, S.; Nielsen, A. -S. Bak; Bassa, C. G.; Berthereau, A.; Bonetti, M.; Bortolas, E.; Brook, P. R.; Burgay, M.; Caballero, R. N.; Chalumeau, A.; Champion, D. J.; Chanlaridis, S.; Chen, S.; Cognard, I.; Desvignes, G.; Falxa, M.; Ferdman, R. D.; Franchini, A.; Gair, J. R.; Graikou, E.; Grie, J. -M.; Guillemot, L.; Guo, Y. J.; Hu, H.; Iraci, F.; Izquierdo-Villalba, D.; Jang, J.; Jawor, J.; Janssen, G. H.; Jessner, A.; Karuppusamy, R.; Keane, E. F.; Keith, M. J.; Kramer, M.; Krishnakumar, M. A.; Lackeos, K.; Lee, K. J.; Liu, K.; Liu, Y.; Lyne, A. G.; McKee, J. W.; Main, R. A.; Mickaliger, M. B.; Niţu, I. C.; Parthasarathy, A.; Perera, B. B. P.; Perrodin, D.; Petiteau, A.; Porayko, N. K.; Possenti, A.; Leclere, H. Quelquejay; Samajdar, A.; Sanidas, S. A.; Sesana, A.; Shaifullah, G.; Speri, L.; Spiewak, R.; Stappers, B. W.; Susarla, S. C.; Theureau, G.; Tiburzi, C.; van der Wateren, E.; Vecchio, A.; Krishnan, V. Venkatraman; Wang, J.; Wang, L.; Wu, Z.

doi:10.1103/PhysRevLett.131.171001

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Second Data Release from the European Pulsar Timing Array: Challenging the Ultralight Dark Matter Paradigm

Smarra, C., Goncharov, B., Barausse, E., Antoniadis, J., Babak, S., Nielsen, A.-.-S.-B., et al. (2023). Second Data Release from the European Pulsar Timing Array: Challenging the Ultralight Dark Matter Paradigm. Physical Review Letters, 131(17): 171001. doi:10.1103/PhysRevLett.131.171001.

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Other : The second data release from the European Pulsar Timing Array: VI. Challenging the ultralight dark matter paradigm

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Smarra, Clemente, Author
Goncharov, Boris, Author
Barausse, Enrico, Author
Antoniadis, J., Author
Babak, S., Author
Nielsen, A. -S. Bak, Author
Bassa, C. G., Author
Berthereau, A., Author
Bonetti, M., Author
Bortolas, E., Author
Brook, P. R., Author
Burgay, M., Author
Caballero, R. N., Author
Chalumeau, A., Author
Champion, D. J., Author
Chanlaridis, S., Author
Chen, S., Author
Cognard, I., Author
Desvignes, G., Author
Falxa, M., Author
Ferdman, R. D., AuthorFranchini, A., AuthorGair, J. R.¹, Author Graikou, E., AuthorGrie, J. -M., AuthorGuillemot, L., AuthorGuo, Y. J., AuthorHu, H., AuthorIraci, F., AuthorIzquierdo-Villalba, D., AuthorJang, J., AuthorJawor, J., AuthorJanssen, G. H., AuthorJessner, A., AuthorKaruppusamy, R., AuthorKeane, E. F., AuthorKeith, M. J., AuthorKramer, M., AuthorKrishnakumar, M. A., AuthorLackeos, K., AuthorLee, K. J., AuthorLiu, K., AuthorLiu, Y., AuthorLyne, A. G., AuthorMcKee, J. W., AuthorMain, R. A., AuthorMickaliger, M. B., AuthorNiţu, I. C., AuthorParthasarathy, A., AuthorPerera, B. B. P., AuthorPerrodin, D., AuthorPetiteau, A., AuthorPorayko, N. K., AuthorPossenti, A., AuthorLeclere, H. Quelquejay, AuthorSamajdar, A., AuthorSanidas, S. A., AuthorSesana, A., AuthorShaifullah, G., AuthorSperi, L.¹, Author Spiewak, R., AuthorStappers, B. W., AuthorSusarla, S. C., AuthorTheureau, G., AuthorTiburzi, C., Authorvan der Wateren, E., AuthorVecchio, A., AuthorKrishnan, V. Venkatraman, AuthorWang, J., AuthorWang, L., AuthorWu, Z., Author more..

Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO, Astrophysics, Galaxy Astrophysics, astro-ph.GA,General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Phenomenology, hep-ph

Abstract: Pulsar Timing Array experiments probe the presence of possible
scalar/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
$10^{-24.0}~\text{eV} \lesssim m \lesssim 10^{-23.2}~\text{eV}$ cannot
constitute $100\%$ of the measured local dark matter density, but can have at
most local density $\rho\lesssim 0.15$ GeV/cm$^3$.

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Dates: Created: 2023-06-28Date issued: 2023

Publication Status: Issued

Pages: 5 pages + acknowledgements + refs, 2 figures

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Identifiers: arXiv: 2306.16228
DOI: 10.1103/PhysRevLett.131.171001

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Title: Physical Review Letters

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Pages: - Volume / Issue: 131 (17) Sequence Number: 171001 Start / End Page: - Identifier: -