Search for Light Dark Matter–Electron Scattering in the PandaX-II Experiment

Cheng, C. H.; Xie, Pengwei; Abdukerim, Abdusalam; Chen, Wei; Chen, Xun; Chen, Yunhua; Cui, X. F.; Yang, Fan; Fang, Deqing; Fu, Changbo; Fu, Mengting; Geng, Li-Sheng; Giboni, Karl; Gu, Linhui; Guo, Xuyuan; Han, K.; He, Changda; He, Shengming; Huang, Di; Huang, Yan; Huang, Yanlin; Huang, Zhongqiang; Ji, Xiangdong; Ju, Yonglin; Li, Shuaijie; Lin, Q.; Liu, Huaxuan; Liu, Jianglai; Liu, Liqiang; Lu, Xiaoying; Ma, Wenbo; Ma, Yugang; Mao, Y.; Meng, Y.; Namwongsa, Parinya; Ni, K.; Ning, Jinhua; Ning, Xuyang; Ren, Xiangxiang; Shaheed, Nasir; Shang, Changsong; Shen, Guangqiu; Si, Lin; Tan, Andi; Wang, Andrew; Wang, Hongwei; Wang, Meng; Wang, Qiuhong; Wang, Siguang; Wang, Wei; Wang, Xiuli; Wang, Zhou; Wu, M.; Wu, Shiyong; Wu, Weihao; Xia, Jingkai; Xiao, M.; Xiao, Xiang; Yan, Binbin; Yang, Jijun; Yang, Y.; Yu, C. X.; Yuan, Jumin; Yuan, Ying; Zeng, Xiaoqin; Zhang, Dan; Zhang, Tao; Zhao, Li; Zheng, Qibin; Zhou, Jifang; Zhou, N.; Zhou, Xiaopeng

doi:10.1103/physrevlett.126.211803

Cited by 97 publications

(73 citation statements)

References 39 publications

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“…Since the S2/S1 ratio is less effective below ∼ 5 keV most analyses and experiments stop there. However, more recently these experiments have embarked on sub-GeV DM searches utilizing the S2-only data sets [41][42][43]. Here we argue that keeping these low energy events also allows for the detection of NSIs in a low noise noble liquid environment.…”

Section: Gaas High Fiducial Lowmentioning

confidence: 79%

Detecting Beyond the Standard Model Interactions of Solar Neutrinos in Low-Threshold Dark Matter Detectors

Schwemberger,

2022

Preprint

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As low-threshold dark matter detectors advance in development, they will become sensitive to recoils from solar neutrinos which opens up the possibility to explore neutrino properties. We predict the enhancement of the event rate of solar neutrino scattering from Beyond the Standard Model interactions in low-threshold DM detectors, with a focus on silicon, germanium, gallium arsenide, xenon, and argon-based detectors. We consider a set of general neutrino interactions, which fall into five categories: the neutrino magnetic moment as well as interactions mediated by four types of mediators (scalar, pseudoscalar, vector, and axial vector), and consider coupling these mediators to either quarks or electrons. Using these predictions, we place constraints on the mass and couplings of each mediator and the neutrino magnetic moment from current lowthreshold detectors like SENSEI, Edelweiss, and SuperCDMS, as well as projections relevant for future experiments such as DAMIC-M, Oscura, Darwin, and ARGO. We find that such low-threshold detectors can improve current constraints by up to two orders of magnitude for vector mediators and one order of magnitude for scalar mediators.

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Section: Gaas High Fiducial Lowmentioning

confidence: 79%

Detecting Beyond the Standard Model Interactions of Solar Neutrinos in Low-Threshold Dark Matter Detectors

Schwemberger,

2022

Preprint

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“…(3). For masses of mFDM in the GeV range, observations from electron scattering do not probe the parameter space of interest [53,54], even if one considers variations in the DM velocity distribution [55][56][57]. Thus, in the following, we discuss direct detection constraints on the model from nuclear scatterings.…”

Section: Direct Detectionmentioning

confidence: 99%

Freezing In with lepton flavored fermions

et al. 2021

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Dark, chiral fermions carrying lepton flavor quantum numbers are natural candidates for freeze-in. Small couplings with the Standard Model fermions of the order of lepton Yukawas are `automatic' in the limit of Minimal Flavor Violation. In the absence of total lepton number violating interactions, particles with certain representations under the flavor group remain absolutely stable. For masses in the GeV-TeV range, the simplest model with three flavors, leads to signals at future direct detection experiments like DARWIN. Interestingly, freeze-in with a smaller flavor group such as SU(2) is already being probed by XENON1T.

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“…However, for DM masses below ∼ 1 GeV, the typical kinetic energy of DM in the Milky Way halo is not enough to imprint a recoil energy above the threshold of ∼ 1 keV, thus leading to a rapid decrease in detection sensitivity. Nevertheless, DM in this mass region may still be energetic enough to trigger detectable electronic recoils thanks to a lower threshold (∼ 0.186 keV [6]), thus opening an alternative way to explore sub-GeV DM [6,7]. Still, the search for DM interacting with electrons in direct detection setups inevitably faces the same problem for DM masses below ∼ 10 MeV [6,7].…”

Section: Introductionmentioning

confidence: 99%

Blazar-Boosted Dark Matter at Super-Kamiokande

Granelli,

Ullio,

Wang

2022

Preprint

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Dark matter particles near the center of a blazar, after being accelerated by the elastic collisions with relativistic electrons and protons in the blazar jet, can be energetic enough to trigger detectable signals at terrestrial detectors. In this work, focusing on the blazars TXS 0506+056 and BL Lacertae, we derive novel limits on the cross section of the elastic scattering between dark matter and electrons by means of the available Super-Kamiokande data. Thanks to the large blazar-boosted dark matter flux, the limit on the dark matter-electron scattering cross section for dark matter masses below 100 MeV can be as low as ∼ 10 −38 cm 2 , that is about 5 orders of magnitude stronger than the analogous results from galactic cosmic rays.

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Search for Light Dark Matter–Electron Scattering in the PandaX-II Experiment

Cited by 97 publications

References 39 publications

Detecting Beyond the Standard Model Interactions of Solar Neutrinos in Low-Threshold Dark Matter Detectors

Detecting Beyond the Standard Model Interactions of Solar Neutrinos in Low-Threshold Dark Matter Detectors

Freezing In with lepton flavored fermions

Blazar-Boosted Dark Matter at Super-Kamiokande

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