Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data

LZ Collaboration; E.J. Bishop; A. St. J. Murphy; A. Nguyen; H. S. Riyat; S. Shaw

doi:10.1038/s42005-024-01774-8

Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data

LZ Collaboration, E.J. Bishop, A. St. J. Murphy, A. Nguyen, H. S. Riyat, S. Shaw

School of Physics and Astronomy

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

Abstract / Description of output

Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5 tonne fiducial mass of liquid xenon, we report the results on a search for WIMP-pion interactions. We observe no significant excess and set an upper limit of 1.5 × 10⁻⁴⁶ cm² at a 90% confidence level for a WIMP mass of 33 GeV/c² for this interaction.

Original language	English
Article number	292
Pages (from-to)	1-7
Number of pages	7
Journal	Communications Physics
Volume	7
Issue number	1
DOIs	https://doi.org/10.1038/s42005-024-01774-8
Publication status	Published - 31 Aug 2024

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title = "Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data",

abstract = "Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5 tonne fiducial mass of liquid xenon, we report the results on a search for WIMP-pion interactions. We observe no significant excess and set an upper limit of 1.5 × 10−46 cm2 at a 90% confidence level for a WIMP mass of 33 GeV/c2 for this interaction.",

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AU - Bishop, E.J.

AU - Murphy, A. St. J.

AU - Nguyen, A.

AU - Riyat, H. S.

AU - Shaw, S.

N1 - Publisher Copyright: © The Author(s) 2024.

PY - 2024/8/31

Y1 - 2024/8/31

N2 - Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5 tonne fiducial mass of liquid xenon, we report the results on a search for WIMP-pion interactions. We observe no significant excess and set an upper limit of 1.5 × 10−46 cm2 at a 90% confidence level for a WIMP mass of 33 GeV/c2 for this interaction.

AB - Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where the spin-independent isoscalar channel is suppressed. Using data from the first science run of the LUX-ZEPLIN dark matter experiment, containing 60 live days of data in a 5.5 tonne fiducial mass of liquid xenon, we report the results on a search for WIMP-pion interactions. We observe no significant excess and set an upper limit of 1.5 × 10−46 cm2 at a 90% confidence level for a WIMP mass of 33 GeV/c2 for this interaction.

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Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data

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