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Prof. Karl Giboni (Shanghai Jiao Tong University)25/05/2024, 09:00
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Ke Han (SJTU)25/05/2024, 09:10
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Jianglai Liu (Shanghai Jiao Tong University)25/05/2024, 09:15
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25/05/2024, 09:55
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Ying-Ting Lin (Max-Planck-Institut für Kernphysik)25/05/2024, 10:30
The XENONnT experiment is a multi-ton-scale liquid-xenon detector operated by the XENON Collaboration in search of dark matter and other beyond the standard model phenomena. The dual-phase time projection chamber (TPC) design enables simultaneous measurement of scintillation and ionization signals produced by interactions within the target volume, which can be utilized to reconstruct the...
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Theresa Fruth (University of Sydney)25/05/2024, 11:00
LUX-ZEPLIN (LZ) is a dark matter direct detection experiment located at the Sanford Underground Research Facility in Lead, South Dakota. At the heart of the detector is a dual-phase time projection chamber containing 7 tonnes of active liquid xenon. During its 1000-day science run, LZ aims to achieve unprecedented sensitivity to Weakly Interacting Massive Particles (WIMPs) down to a...
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Yi Wang (IHEP)25/05/2024, 11:30
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Julien Masbou (Subatech - Nantes Université)25/05/2024, 12:00
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Francesc Monrabal Capilla (Donostia International Physics Center)25/05/2024, 14:00
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Fernando P. Cossío (University of the Basque Country (UPV/EHU))25/05/2024, 14:30
In this communication, recent advances on the design, development and experimental validation of fluorescent indicators for barium tagging in double beta decay reactions of Xe-136 to yield one Ba(2+)-136 cation plus two electrons will be presented. These developments include mono- and bicolor indicators. The components of the fluorescent sensors include a Barium catcher and a fluorophore,...
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Atsuko Ichikawa (Tohoku university)25/05/2024, 15:00
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Sei Ban (The University of Tokyo, ICEPP)25/05/2024, 16:00
The MEG II experiment aims to discover the charged lepton flavor violation decay, μ+→e+γ, using high intensity continuous muon beam in the PSI. The MEG II began physics run since 2021 and we published first result with the an upper limit on the branching ratio of B(μ+ → e+γ) < 7.5 × 10^{−13} (90 % C.L.). We continue to take physics run also in 2022 and 2023, and will continue by 2026....
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Satoshi Mihara (KEK)25/05/2024, 16:30
PIONEER aims to measure the charged-pion branching ratio to electrons versus muons (R$_π$) with about 15 times better precision in its first phase and the pion beta decay, $π^+ → π^0e+ν(γ)$, with 3 to 10-fold improvement in sensitivity in the next step. The PIONEER detector is designe1d to measure these reactions with great precision by employing a 5D active target and a high-resolution...
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Chang Cai25/05/2024, 17:00
The precise measurement of the Coherent Elastic Neutrino-Nucleus Scattering (CEνNS) cross-section is of significant importance to understanding the properties of neutrinos and constraining new physics beyond the Standard Model. However, due to the background noise in the low energy region, the detection of CEνNS signals from reactor neutrino is quite challenging. The Liquid Xenon Time...
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Lingfeng Xie (Tsinghua University)25/05/2024, 17:20
The RELICS experiment is dedicated to the search for the Coherent Elastic ν-Nucleus Scattering (CEvNS) process between neutrinos of approximately MeV energy and xenon nuclei, to be conducted at the Sanmen nuclear power plant using a ～30-kilogram dual-phased xenon detector. We have developed a dual-phased Xenon Time Projection Chamber prototype, the RELICS prototype, containing ~0.6 kg of xenon...
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Qiuhong Wang (Fudan University)26/05/2024, 09:00
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Julien Masbou (Subatech - Nantes Université)26/05/2024, 09:30
The pursuit of neutrinoless double beta decay (0νββ) detection stands at the forefront of particle physics research, promising profound insights into fundamental physics beyond the Standard Model. nEXO, a cutting-edge experiment, endeavors to explore this phenomenon utilizing a 5-tonne liquid xenon (LXe) time projection chamber (TPC), enriched to 90% in Xe136, poised to achieve a half-life...
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Igor Ostrovskiy (University of Alabama)26/05/2024, 10:00
Coating detector materials with films highly reflective in the vacuum ultraviolet (VUV) region improves sensitivity of the next-generation rare-event detectors that use liquid xenon (LXe). In particular, nEXO requires its Cu field-shaping rings and cathode to be coated by films that are 80% reflective at 175 nm, the mean wavelength of LXe scintillation. Other experiments, like DARWIN, could...
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Dr Junhui Liao (Brown / CIAE)26/05/2024, 11:00
DM direct detection aims to test the cross-section between galactic DM particles and an underground detector's nucleons. Although Weakly Interacting Massive Particles (WIMPs) is the most discussed DM candidate, the null-WIMPs conclusion has been consistently addressed by the most convincing experiments in the field. The low-mass WIMPs region (100s MeV/c^2 - 10 GeV/c^2), however, has not been...
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Zheng Liu26/05/2024, 11:30
Positron emission tomography (PET) is a highly sensitive molecular imaging technique capable of measuring biochemical and metabolic processes in living organisms. It plays an important role in the early diagnosis and efficacy evaluation of diseases, especially tumors, cardiovascular diseases and neurological diseases. In view of the urgent needs of drug development and neuroscience for the...
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DANDAN DOU (核工业理化工程研究院)26/05/2024, 12:00
Stable isotopes are used in more and more fields, among which neutrinoless double beta decay is one of the important application fields. At present, the Research Institute of physical and chemical Engineering of nuclear industry has mastered the preparation technology of Xenon, Germanium, Molybdenum and Selenium, and is developing the preparation technology of Tellurium. Among them, Xenon-134...
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Changwei Huang26/05/2024, 12:20
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Yi Tao (Shanghai Jiao Tong University)27/05/2024, 09:00
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陈 昊 (复旦大学-现代物理研究所)27/05/2024, 09:30
Direct dark matter search experiments aim to detect rare events when a candidate dark matter particle scatters off a target. Ultra-low background is essential for such an effort. State-of-the-art liquid xenon time projection chambers (TPC) employ various effective methods to suppress and discriminate against background signals. The dominant background remaining is the Pb beta decay from the Rn...
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Francesc Monrabal Capilla (Donostia International Physics Center)27/05/2024, 10:00
The recent detection of the coherent elastic neutrino-nucleus scattering (CEνNS) opens the possibility to detect neutrinos with small-size detectors and with different techniques, opening a new window to explore possible BSM physics.
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The CEνNS process generates signals at the few-keV level, requiring sensitive detection technologies for its observation. The European Spallation Source (ESS)... -
Dr Michael Murra (Columbia University in the City of New York)27/05/2024, 11:00
The dark matter experiment XENONnT utilizes about 8.6 tonnes of liquid
xenon for the direct search of Weakly Interacting Massive Particles (WIMPS) and other rare event searches, employing a dual-phase Time Projection Chamber (LXe TPC).In order to reach world-leading senstivities for the several physics channels, the target material xenon needs to be ultra-pure. Electrogentive impurities...
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Yue Meng (Shanghai Jiao Tong University)27/05/2024, 11:40
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Masaki Yamashita (Kavli IPMU, the University of Tokyo)27/05/2024, 12:10
Direct dark matter searches require an ultra-low background, which is essential to improving sensitivity. Many efforts have been made to reduce and understand these techniques.
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XENON1T observed an event excess at 1-7 keV in 2020, but not in XENONnT, which is thought to be background due to tritium. Quantitatively assessing this background is useful for future experiments.
In this talk, I... -
Jianglai Liu (Shanghai Jiao Tong University)27/05/2024, 12:40
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Zheng Liu (SIAT, CAS)
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Dandan Dou (Tianjin)
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