First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN

LZ Collaboration; J. Aalbers; D. S. Akerib; A. K. Al Musalhi; F. Alder; C. S. Amarasinghe; A. Ames; S. R. Eriksen; H. Flaecher; L. Kreczko; B. Krikler; N. J. Pannifer; B. Penning; J. J. Wang; C. J. Wright; B. Boxer; et al

doi:10.1103/PhysRevD.109.092003

First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN

LZ Collaboration, J. Aalbers, D. S. Akerib, A. K. Al Musalhi, F. Alder, C. S. Amarasinghe^*, A. Ames, S. R. Eriksen^*, H. Flaecher, L. Kreczko, B. Krikler, N. J. Pannifer^*, B. Penning, J. J. Wang, C. J. Wright, B. Boxer^*, et al

^*Corresponding author for this work

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Abstract

Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent nonrelativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keV. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90% confidence level exclusion limits on the coupling of each individual nonrelativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.

Original language	English
Article number	092003
Number of pages	17
Journal	Physical Review D
Volume	109
DOIs	https://doi.org/10.1103/PhysRevD.109.092003
Publication status	Published - 9 May 2024

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© 2024 authors. Published by the American Physical Society.

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LZ Collaboration, Aalbers, J., Akerib, D. S., Al Musalhi, A. K., Alder, F., Amarasinghe, C. S., Ames, A., Eriksen, S. R., Flaecher, H., Kreczko, L., Krikler, B., Pannifer, N. J., Penning, B., Wang, J. J., Wright, C. J., Boxer, B., & al , E. (2024). First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN. Physical Review D, 109, Article 092003. https://doi.org/10.1103/PhysRevD.109.092003

@article{2128f38e7f144f459b96731f06e80709,

title = "First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN",

abstract = "Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent nonrelativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keV. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90\% confidence level exclusion limits on the coupling of each individual nonrelativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.",

author = "\{LZ Collaboration\} and J. Aalbers and Akerib, \{D. S.\} and \{Al Musalhi\}, \{A. K.\} and F. Alder and Amarasinghe, \{C. S.\} and A. Ames and Eriksen, \{S. R.\} and H. Flaecher and L. Kreczko and B. Krikler and Pannifer, \{N. J.\} and B. Penning and Wang, \{J. J.\} and Wright, \{C. J.\} and B. Boxer and et al",

note = "Publisher Copyright: {\textcopyright} 2024 authors. Published by the American Physical Society. ",

year = "2024",

month = may,

day = "9",

doi = "10.1103/PhysRevD.109.092003",

language = "English",

volume = "109",

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LZ Collaboration, Aalbers, J, Akerib, DS, Al Musalhi, AK, Alder, F, Amarasinghe, CS, Ames, A, Eriksen, SR , Flaecher, H , Kreczko, L, Krikler, B, Pannifer, NJ, Penning, B, Wang, JJ, Wright, CJ, Boxer, B & al , E 2024, 'First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN', Physical Review D, vol. 109, 092003. https://doi.org/10.1103/PhysRevD.109.092003

TY - JOUR

T1 - First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN

AU - LZ Collaboration

AU - Aalbers, J.

AU - Akerib, D. S.

AU - Al Musalhi, A. K.

AU - Alder, F.

AU - Amarasinghe, C. S.

AU - Ames, A.

AU - Eriksen, S. R.

AU - Flaecher, H.

AU - Kreczko, L.

AU - Krikler, B.

AU - Pannifer, N. J.

AU - Penning, B.

AU - Wang, J. J.

AU - Wright, C. J.

AU - Boxer, B.

AU - al , et

PY - 2024/5/9

Y1 - 2024/5/9

N2 - Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent nonrelativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keV. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90% confidence level exclusion limits on the coupling of each individual nonrelativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.

AB - Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead, South Dakota, USA, we report the initial limits on a model-independent nonrelativistic effective field theory describing the complete set of possible interactions of a weakly interacting massive particle (WIMP) with a nucleon. These results utilize the same 5.5 t fiducial mass and 60 live days of exposure collected for the LZ spin-independent and spin-dependent analyses while extending the upper limit of the energy region of interest by a factor of 7.5 to 270 keV. No significant excess in this high energy region is observed. Using a profile-likelihood ratio analysis, we report 90% confidence level exclusion limits on the coupling of each individual nonrelativistic WIMP-nucleon operator for both elastic and inelastic interactions in the isoscalar and isovector bases.

U2 - 10.1103/PhysRevD.109.092003

DO - 10.1103/PhysRevD.109.092003

M3 - Article (Academic Journal)

AN - SCOPUS:85193472725

SN - 2470-0010

VL - 109

JO - Physical Review D

JF - Physical Review D

M1 - 092003

ER -

First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN

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