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Mei Zhao29/10/2026, 14:00
"With the High-Luminosity Large Hadron Collider (HL-LHC) upgrade, the instantaneous luminosity will increase by almost an order of magnitude, reaching levels of up to (7.5\times10^{34}\ \mathrm{cm^{-2}s^{-1}}). This will lead to a substantial growth in the average pile-up density, with an expected average number of simultaneous proton-proton collisions per bunch crossing of approximately...
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虞康29/10/2026, 14:02
Identifying highly Lorentz-boosted Higgs bosons decaying to bottom-quark pairs is essential to the ATLAS physics programme. This poster reviews the evolution of boosted $X\to b\bar{b}$ tagging in ATLAS and the development of the corresponding calibration strategies. The Run-2 $D_{\rm Xbb}$ algorithm combined large-$R$-jet kinematics with flavour-tagging information from variable-radius track...
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Lin Yang29/10/2026, 14:04
Accurate photon identification efficiency measurements are essential for physics analyses with photons at the ATLAS experiment. This poster presents a normalising-flow-based electron-extrapolation method for unconverted photons, with an application to 2022 collision data. A conditional normalising flow trained on simulated electrons and photons transforms the joint distribution of calorimeter...
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王子承29/10/2026, 14:06
"High-energy physics experiments are increasingly using FPGAs to deploy machine learning models for low-latency triggering and real-time data processing. Deploying these models on FPGAs requires coordinating several software and hardware tools. We present an agent workflow using reusable skills to support this process. The agent coordinates model conversion, hardware builds, and on-board...
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Haidar Mas, ud Alfanda29/10/2026, 14:08
"The High-Luminosity LHC (HL-LHC) will deliver instantaneous luminosities up to $7.5 \times 10^{34}~\rm{cm}^{-2}\rm{s}^{-1}$, resulting in an average of $200$ pile-up interactions per bunch crossing. This poses a serious challenge for the ATLAS detector, particularly in the forward region where detector granularity is reduced. To address this, the High-Granularity Timing Detector (HGTD) will...
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万家威29/10/2026, 14:10
The High-Granularity Timing Detector (HGTD) will provide precise timing information to mitigate pile-up effects in the ATLAS Phase-II upgrade. The Peripheral Electronics Board (PEB) interfaces front-end modules with off-detector systems, providing power distribution, data aggregation, control and monitoring. This work presents power-plane simulations and the development of a Diagnostic Test...
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Linjing Duan29/10/2026, 14:12
"In $H\to\gamma^*\gamma\to ee\gamma$ decays, low-mass electron pairs with high transverse momentum can produce overlapping electromagnetic showers in the calorimeter. A single cluster matched to two opposite-charge tracks forms a merged dielectron candidate, requiring dedicated identification to retain signal and reject photon and jet backgrounds. This poster presents merged dielectron...
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Yimin Che29/10/2026, 14:14
A search for non-resonant Higgs boson pair production ($HH$) in the $b\bar{b}\tau^+\tau^-$ final state is performed using $140$~fb$^{-1}$ and $56$~fb$^{-1}$ of proton--proton collision data at centre-of-mass energies of $\sqrt{s} = 13$~\TeV and $13.6$~\TeV, respectively, recorded by the ATLAS detector during 2015--2023 at the CERN Large Hadron Collider. Relative to the previous ATLAS searches...
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Xiang Li29/10/2026, 14:16
"Effective event categorization is essential for improving the sensitivity of the H → Zγ analysis. Correlations between classifier outputs and the reconstructed Zγ invariant mass can distort background distributions and complicate signal extraction. This poster presents the application of a mass-decorrelated event classifier transformer to the ATLAS Run 3 H → Zγ analysis, focusing on the Z →...
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姚乐凯29/10/2026, 14:18
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Vladimir Sergeychik29/10/2026, 14:20
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Longsheng Tan29/10/2026, 14:22
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