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Search for bosonic super-WIMP interactions with the XENON100 experiment


XENON Collaboration; Baudis, Laura; Brown, Adam; Capelli, Chiara; Galloway, Michelle; Kazama, Shingo; Kish, Alexander; Piastra, Francesco; Reichard, Shayne; Wulf, Julien; et al (2017). Search for bosonic super-WIMP interactions with the XENON100 experiment. Physical Review. D, Particles, fields, gravitation and cosmology, 96(12):122002.

Abstract

We present results of searches for vector and pseudoscalar bosonic super-weakly interacting massive particles (WIMPs), which are dark matter candidates with masses at the keV-scale, with the XENON100 experiment. XENON100 is a dual-phase xenon time projection chamber operated at the Laboratori Nazionali del Gran Sasso. A profile likelihood analysis of data with an exposure of 224.6 live days $\times$ 34  kg showed no evidence for a signal above the expected background. We thus obtain new and stringent upper limits in the $(8–125)  keV/c^2$ mass range, excluding couplings to electrons with coupling constants of $g_{ae} > 3 \times 10^{−13}$ for pseudo-scalar and $\alpha^{\prime}/\alpha > 2 \times 10^{−28}$ for vector super-WIMPs, respectively. These limits are derived under the assumption that super-WIMPs constitute all of the dark matter in our galaxy.

Abstract

We present results of searches for vector and pseudoscalar bosonic super-weakly interacting massive particles (WIMPs), which are dark matter candidates with masses at the keV-scale, with the XENON100 experiment. XENON100 is a dual-phase xenon time projection chamber operated at the Laboratori Nazionali del Gran Sasso. A profile likelihood analysis of data with an exposure of 224.6 live days $\times$ 34  kg showed no evidence for a signal above the expected background. We thus obtain new and stringent upper limits in the $(8–125)  keV/c^2$ mass range, excluding couplings to electrons with coupling constants of $g_{ae} > 3 \times 10^{−13}$ for pseudo-scalar and $\alpha^{\prime}/\alpha > 2 \times 10^{−28}$ for vector super-WIMPs, respectively. These limits are derived under the assumption that super-WIMPs constitute all of the dark matter in our galaxy.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2017
Deposited On:12 Feb 2018 16:20
Last Modified:19 Aug 2018 14:31
Publisher:American Physical Society
ISSN:1550-7998
OA Status:Green
Publisher DOI:https://doi.org/10.1103/PhysRevD.96.122002
Project Information:
  • : FunderH2020
  • : Grant ID674896
  • : Project TitleELUSIVES - The Elusives Enterprise: Asymmetries of the Invisible Universe

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