Resonant Absorption of Bosonic Dark Matter in Molecules

We propose a new class of bosonic dark matter (DM) detectors based on resonant absorption onto a gas of small polyatomic molecules. Bosonic DM acts on the molecules as a narrow-band perturbation, like an intense but weakly coupled laser. The excited molecules emit the absorbed energy into fluorescen...

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Autores principales:	Asimina Arvanitaki, Savas Dimopoulos, Ken Van Tilburg
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2018
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/821a4bcde21e4902bed45b1ea37aea0e
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spelling	oai:doaj.org-article:821a4bcde21e4902bed45b1ea37aea0e2021-12-02T11:18:56ZResonant Absorption of Bosonic Dark Matter in Molecules10.1103/PhysRevX.8.0410012160-3308https://doaj.org/article/821a4bcde21e4902bed45b1ea37aea0e2018-10-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.8.041001http://doi.org/10.1103/PhysRevX.8.041001https://doaj.org/toc/2160-3308We propose a new class of bosonic dark matter (DM) detectors based on resonant absorption onto a gas of small polyatomic molecules. Bosonic DM acts on the molecules as a narrow-band perturbation, like an intense but weakly coupled laser. The excited molecules emit the absorbed energy into fluorescence photons that are picked up by sensitive photodetectors with low dark count rates. This setup is sensitive to any DM candidate that couples to electrons, photons, and nuclei, and may improve on current searches by several orders of magnitude in coupling for DM masses between 0.2 eV and 20 eV. This type of detector has excellent intrinsic energy resolution, along with several control variables—pressure, temperature, external electromagnetic fields, and molecular species or isotopes—that allow for powerful background rejection methods as well as precision studies of a potential DM signal. The proposed experiment does not require usage of novel exotic materials or futuristic technologies, relying instead on the well-established field of molecular spectroscopy and on recent advances in single-photon detection. Cooperative radiation effects, which arise due to the large spatial coherence of the nonrelativistic DM field in certain detector geometries, can tightly focus the DM-induced radiative emission in a direction that depends on the DM’s velocity, possibly permitting a detailed reconstruction of the full 3D velocity distribution in our Galactic neighborhood, as well as further background rejection.Asimina ArvanitakiSavas DimopoulosKen Van TilburgAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 8, Iss 4, p 041001 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Asimina Arvanitaki Savas Dimopoulos Ken Van Tilburg Resonant Absorption of Bosonic Dark Matter in Molecules
description	We propose a new class of bosonic dark matter (DM) detectors based on resonant absorption onto a gas of small polyatomic molecules. Bosonic DM acts on the molecules as a narrow-band perturbation, like an intense but weakly coupled laser. The excited molecules emit the absorbed energy into fluorescence photons that are picked up by sensitive photodetectors with low dark count rates. This setup is sensitive to any DM candidate that couples to electrons, photons, and nuclei, and may improve on current searches by several orders of magnitude in coupling for DM masses between 0.2 eV and 20 eV. This type of detector has excellent intrinsic energy resolution, along with several control variables—pressure, temperature, external electromagnetic fields, and molecular species or isotopes—that allow for powerful background rejection methods as well as precision studies of a potential DM signal. The proposed experiment does not require usage of novel exotic materials or futuristic technologies, relying instead on the well-established field of molecular spectroscopy and on recent advances in single-photon detection. Cooperative radiation effects, which arise due to the large spatial coherence of the nonrelativistic DM field in certain detector geometries, can tightly focus the DM-induced radiative emission in a direction that depends on the DM’s velocity, possibly permitting a detailed reconstruction of the full 3D velocity distribution in our Galactic neighborhood, as well as further background rejection.
format	article
author	Asimina Arvanitaki Savas Dimopoulos Ken Van Tilburg
author_facet	Asimina Arvanitaki Savas Dimopoulos Ken Van Tilburg
author_sort	Asimina Arvanitaki
title	Resonant Absorption of Bosonic Dark Matter in Molecules
title_short	Resonant Absorption of Bosonic Dark Matter in Molecules
title_full	Resonant Absorption of Bosonic Dark Matter in Molecules
title_fullStr	Resonant Absorption of Bosonic Dark Matter in Molecules
title_full_unstemmed	Resonant Absorption of Bosonic Dark Matter in Molecules
title_sort	resonant absorption of bosonic dark matter in molecules
publisher	American Physical Society
publishDate	2018
url	https://doaj.org/article/821a4bcde21e4902bed45b1ea37aea0e
work_keys_str_mv	AT asiminaarvanitaki resonantabsorptionofbosonicdarkmatterinmolecules AT savasdimopoulos resonantabsorptionofbosonicdarkmatterinmolecules AT kenvantilburg resonantabsorptionofbosonicdarkmatterinmolecules
_version_	1718395995560083456

Resonant Absorption of Bosonic Dark Matter in Molecules

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