New Limits on Interactions between Weakly Interacting Massive Particles and Nucleons Obtained with CsI(Tl) Crystal Detectors

Lee, H. S.; Bhang, H.; Choi, Jun‐Ho; He, Dawei; Hahn, I. S.; Hwang, Mun Kyung; Jung, Sungwook; Kang, W. G.; Kim, D. W.; Kim, H. J.; Kim, S. C.; Kim, Y. D.; Kwak, Jungwon; Kwon, Y.; Lee, J.; Lee, J. I.; Lee, M. J.; Lee, S. J.; Li, J.; Li, X.; Li, Y. J.; Myung, S. S.; Ryu, S.; So, J. H.; Yue, Qian; Zhu, J.

doi:10.1103/physrevlett.108.181301

Cited by 155 publications

(130 citation statements)

References 27 publications

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“…Also shown are the 90% C.L. from: CDMS [25], KIMS [26,27], PI-CASSO [28], PICO-2L [29], PICO-60 [30], XENON10 [31], XENON100 [32], and ZEPLIN-III [33,34]. The DAMA allowed region at 3σ as interpreted in [35] without ion channeling is the shaded areas.…”

Section: Fig 1 Lux Upper Limits On the Wimp-neutron (Top)mentioning

confidence: 99%

Results on the Spin-Dependent Scattering of Weakly Interacting Massive Particles on Nucleons from the Run 3 Data of the LUX Experiment

Akerib¹,

Araújo²,

Bai³

et al. 2016

Phys. Rev. Lett.

171

179

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We present experimental constraints on the spin-dependent WIMP-nucleon elastic cross sections from LUX data acquired in 2013. LUX is a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility (Lead, South Dakota), which is designed to observe the recoil signature of galactic WIMPs scattering from xenon nuclei. A profile likelihood ratio analysis of 1.4×10 4 kg·days of fiducial exposure allows 90% CL upper limits to be set on the WIMP-neutron (WIMP-proton) cross section of σn = 9.4×10 −41 cm 2 (σp = 2.9× 10 −39 cm 2 ) at 33 GeV/c 2 . The spin-dependent WIMP-neutron limit is the most sensitive constraint to date.

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Section: Fig 1 Lux Upper Limits On the Wimp-neutron (Top)mentioning

confidence: 99%

Results on the Spin-Dependent Scattering of Weakly Interacting Massive Particles on Nucleons from the Run 3 Data of the LUX Experiment

Akerib¹,

Araújo²,

Bai³

et al. 2016

Phys. Rev. Lett.

171

179

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“…KIMS uses CsI detectors and a pulse shape discrimination method to statisticallydiscriminate between nuclear and electron recoil events. From an exposure of 24524. kg-days between 2009-2010, KIMS has recently placed an upper limit on the spin-dependent WIMP-proton cross section that is more strict than any other experiment for WIMP masses > 20 GeV (Kim et al, 2012). …”

Section: Direct Detectionmentioning

confidence: 99%

Galactic searches for dark matter

2013

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For nearly a century, more mass has been measured in galaxies than is contained in the luminous stars and gas. Through continual advances in observations and theory, it has become clear that the dark matter in galaxies is not comprised of known astronomical objects or baryonic matter, and that identification of it is certain to reveal a profound connection between astrophysics, cosmology, and fundamental physics. The best explanation for dark matter is that it is in the form of a yet undiscovered particle of nature, with experiments now gaining sensitivity to the most well-motivated particle dark matter candidates. In this article, I review measurements of dark matter in the Milky Way and its satellite galaxies and the status of Galactic searches for particle dark matter using a combination of terrestrial and space-based astroparticle detectors, and large scale astronomical surveys. I review the limits on the dark matter annihilation and scattering cross sections that can be extracted from both astroparticle experiments and astronomical observations, and explore the theoretical implications of these limits. I discuss methods to measure the properties of particle dark matter using future experiments, and conclude by highlighting the exciting potential for dark matter searches during the next decade, and beyond.

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“…Direct detection experiments are looking for nuclear recoils from scattering with the DM in our immediate vicinity [2][3][4][5][6][7][8][9][10][11][12][13]. Indirect detection involves searching for annihilation products of DM from regions of high DM density [14][15][16][17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Identifying dark matter interactions in monojet searches

Agrawal

Rentala

2014

J. High Energ. Phys.

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Abstract:We study the discrimination of quark-initiated jets from gluon-initiated jets in monojet searches for dark matter using the technique of averaged jet energy profiles. We demonstrate our results in the context of effective field theories of dark matter interactions with quarks and gluons, but our methods apply more generally to a wide class of models. Different effective theories of dark matter and the standard model backgrounds each have a characteristic quark/gluon fraction for the leading jet. When used in conjunction with the traditional cut-and-count monojet search, the jet energy profile can be used to set stronger bounds on contact interactions of dark matter. In the event of a discovery of a monojet excess at the 14 TeV LHC, contact interactions between dark matter with quarks or with gluons can be differentiated at the 95% confidence level. For a given rate at the LHC, signal predictions at direct detection experiments for different dark matter interactions can span five orders of magnitude. The ability to identify these interactions allows us to make a tighter connection between LHC searches and direct detection experiments.

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New Limits on Interactions between Weakly Interacting Massive Particles and Nucleons Obtained with CsI(Tl) Crystal Detectors

Cited by 155 publications

References 27 publications

Results on the Spin-Dependent Scattering of Weakly Interacting Massive Particles on Nucleons from the Run 3 Data of the LUX Experiment

Results on the Spin-Dependent Scattering of Weakly Interacting Massive Particles on Nucleons from the Run 3 Data of the LUX Experiment

Galactic searches for dark matter

Identifying dark matter interactions in monojet searches

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