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Xiang Xiao (Sun Yat-sen University)19/04/2026, 16:30
Liquid xenon experiments have advanced dark matter direct detection. While traditionally focused on keV-scale signals, the MeV region also offers rich information for studying neutrinos and dark matter. The PandaX-4T experiment at the China Jinping Underground laboratory uses 3.7 tons of natural xenon. We have developed a dedicated data analysis framework extending its energy range to the MeV...
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Cai-Chang Li (西北大学)19/04/2026, 16:55
Working within the reference three-neutrino mixing framework, we confront the lepton mixing predictions derived using non-Abelian discrete flavour and CP symmetries with the first JUNO data on the solar neutrino mixing parameters $\sin^2\theta_{12}$
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and with the results of the latest global neutrino data analysis. We focus on symmetry breaking patterns for which the lepton PMNS mixing matrix... -
Xuewen Liu (Yantai University)19/04/2026, 17:20
The neutrino floor, a theoretical sensitivity limit for dark matter direct detections, is being redefined as the boundary of a dynamic ``neutrino fog", where neutrino signals become inevitable, obscuring DM detection due to the statistical and systematic uncertainties. This study provides the first site-specific analysis of the neutrino floor at China Jinping Underground Laboratory (CJPL),...
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YONGHENG XU19/04/2026, 17:45
LUX-ZEPLIN (LZ) is a dark matter direct detection experiment, operating deep underground at the Sanford Underground Research Facility (SURF), USA. Utilizing a 7-tonne dual-phase xenon time projection chamber in conjunction with a robust veto system, LZ aims to primarily detect Weakly Interacting Massive Particles (WIMPs), one of the most promising dark matter candidates. Currently, LZ provides...
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Jun Wang (Westlake University)19/04/2026, 18:05
Exhibiting the largest cross-section of all interaction channels for MeV neutrinos, coherent elastic neutrino-nucleus scattering (CEvNS) offers a compelling pathway for the remote monitoring of nuclear reactors. Liquid xenon time projection chambers (LXeTPCs) have emerged as an ideal technology for CEvNS detection, primarily due to their low backgrounds and energy thresholds. The RELICS...
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雨轩 何 (City University of Hong Kong)19/04/2026, 18:20
The observations of ultra-dense substructures in strong lensing systems challenge the standard
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cosmology model at small scales. Self-interacting dark matter (SIDM), as one of the alternatives
to the cold collisionless dark matter (CDM) of the standard cosmology model, provides a natural
mechanism for forming such structures via gravothermal core-collapsing. We show that strong... -
Sk Jeesun - (Tsung Dao Lee Institute)
Current multiton dark matter (DM) detectors are largely incapable of detecting light dark matter from the Galactic halo due to the energy threshold limitations of their recoil measurements. However, primordial black holes (PBHs) can evaporate via Hawking radiation to particles whose energies are set by the black hole temperature. Consequently, weakly interacting light dark matter (or dark...
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