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Yifan Zhu12/05/2026, 13:35
Precise measurements of Higgs decays into quarks and gluons are essential
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for probing the Yukawa couplings of the Higgs boson and testing the flavor structure of the Standard Model. We investigate the process e+e− → ZH at √s = 240 GeV at a future e+e− Higgs factory, taking the CEPC design as a benchmark. Jet flavor is identified using state-of-the-art particle-level deep neural network... -
Anjan Barik (TDLI)12/05/2026, 13:50
Despite its remarkable success, the Standard Model fails to explain phenomena such as neutrino masses, dark matter, and the matter–antimatter asymmetry, motivating a wide range of Beyond the Standard Model (BSM) scenarios. A major challenge in this context is the inverse problem, where different models produce overlapping signatures; hence, identifying the underlying BSM scenario becomes...
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Matthias Tartarin (TDLI/SJTU)12/05/2026, 14:05
Following the discovery of the Higgs boson, one of the next major achievement at LHC is to observe the production of Higgs pairs and to measure the Higgs tri-linear coupling $\lambda_{3H}$.
Due to the rarity of di-Higgs production, measuring $\lambda_{3H}$ has proven to be highly challenging.
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The MEM is a statistically optimal multivariate method that maximizes the utilization of both... -
Roni Dey (TDLI,SJTU)12/05/2026, 14:20
The PandaX-xT experiment is a next-generation multi-tonne liquid xenon time projection chamber (TPC) located at the China Jinping Underground Laboratory, designed for ultra-sensitive direct detection of dark matter. As the experiment approaches the neutrino floor, background rejection becomes a critical limiting factor for discovery sensitivity. In particular, cosmogenic neutrons, secondary...
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Minzhen Zhang (SJTU)12/05/2026, 14:35
In the PandaX-4T experiment, the nuclear recoil energy threshold is above 1keV in the conventional search window requiring paired scintillation and ionization signals. This constrains detection sensitivity for low energy signals, such as solar B8 neutrinos and sub-GeV dark matter. By exploiting ionization-only events, we successfully reduce the detection threshold down to 0.33 keV, enabling...
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chao chen (TDLI)12/05/2026, 14:50
The Jiangmen Underground Neutrino Observatory (JUNO) aims to determine the neutrino mass ordering and precisely measure neutrino oscillation parameters. Its Data Acquisition (DAQ) system is required to read out, assemble, process online, and store over 40 GB/s of physical data from the front-end electronics. As the first stage of the dataflow software, the readout module's primary tasks...
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Dr Oleg Titov (TDLI-SJTU)12/05/2026, 15:25
The talk is devoted to the role of excited final nuclear states in WIMP-nucleus scattering. I will describe the basic formalism of non-relativistic effective field theory (NR EFT) and its generalization for excited nuclear states. The effect on expected event rates in direct detection experiments will be discussed, with the focus on xenon-based detectors.
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Shota Nakagawa (Tsung-Dao Lee Institute, Shanghai Jiao Tong University)12/05/2026, 15:40
Axion is one of the well-motivated candidates for dark matter and there have been many attempts for axion dark matter search. In this talk, we show novel aspects of the axion dark matter, which significantly modify the physics of vortex in the Abelian-Higgs model. Due to the axion-photon conversion, electromagnetic fields are induced in the magnetic core of the vortex. In numerical...
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Xiangyan An (Tsung-Dao Lee Institute, Shanghai Jiao Tong University, China)12/05/2026, 15:55
We propose a novel Light-Shining-Through-a-Wall (LSW) scheme that utilizes the ultra-strong electromagnetic fields of laser-driven plasma wakefields for highly efficient, in situ axion generation. Moreover, by injecting a coherent seed field into the regeneration region, the axion-induced photon signal is coherently amplified via constructive interference, offering a pathway to probe...
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Ximeng (西蒙) Li (李) (Institute of High Energy Physics)12/05/2026, 16:10
Ultralight axion fields can form gravitational atoms around compact objects, in which self-interactions drive the relaxation of axion waves into bound states that grow exponentially. Once the field amplitude approaches the axion decay constant, nonlinear dynamics become essential. We identify two distinct regimes of late-time evolution, determined by the gravitational fine-structure constant...
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Md Riajul Haque (Tsung-Dao Lee Institute, Shanghai Jiao Tong University)12/05/2026, 16:25
In this talk, I will explore the potential of multi-band gravitational wave (GW) observations to constrain uncertainties in the Hubble parameter ($H_0$), using primordial black holes (PBHs) as astrophysical sources. I will present a framework that combines scalar-induced and merger-induced GW signals and discuss forecasts for joint observations with the Square Kilometre Array (SKA) and the...
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Dr Jiang Zhu (TDLi institution)12/05/2026, 16:40
We studied a crucial but often oversimplified ingredient in predicting gravitational-wave signals from QCD-type phase transitions: the kinetic term of the Polyakov loop. For the first time, we derive this term from first principles in finite-temperature pure SU(3) Yang-Mills theory, incorporating a field-dependent renormalization factor—a calculation we also extend to theories with more...
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