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1.
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Flavor physics at the CEPC: a general perspective*
/ Ai, Xiaocong (Zhengzhou U.) ; Altmannshofer, Wolfgang (UC, Santa Cruz, Inst. Part. Phys. ; UC, Santa Cruz (main)) ; Athron, Peter (Nanjing Normal U.) ; Bai, Xiaozhi (USTC, Hefei) ; Calibbi, Lorenzo (Nankai U.) ; Cao, Lu (Fudan U., Shanghai ; DESY) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; UCAS, Beijing) ; Chen, Chunhui (Iowa State U.) ; Chen, Ji-Yuan (Shanghai Jiaotong U.) ; Chen, Long (Shandong U.) et al.
We discuss the landscape of flavor physics at the Circular Electron-Positron Collider (CEPC), based on the nominal luminosity outlined in its Technical Design Report. The CEPC is designed to operate in multiple modes to address a variety of tasks. [...]
arXiv:2412.19743.-
2025 - 56 p.
- Published in : Chin. Phys.: 49 (2025) , no. 10, pp. 103003
Fulltext: 2412.19743 - PDF; document - PDF;
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2.
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Holistic approach and Advanced Color Singlet Identification for physics measurements at high energy frontier
/ Zhu, Yongfeng (Beijing, Inst. High Energy Phys. ; Peking U., SKLNPT) ; Liang, Hao (LLR, Palaiseau ; Ec. Polytech., Palaiseau (main)) ; Wang, Yuexin (Beijing, Inst. High Energy Phys.) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Wang, Hengyu (Beijing, GUCAS) ; Zhou, Chen (Beijing, Inst. High Energy Phys. ; Peking U., SKLNPT) ; Qu, Huilin (CERN) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
To enhance the discovery power of high-energy colliders, we propose a holistic approach and Advanced Color Singlet Identification (ACSI), both of which utilize inclusive reconstructed information as input. [...]
arXiv:2506.11783.
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2025-06-13 - 9.
Fulltext
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3.
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Charged-current non-standard neutrino interactions at Daya Bay
/ Daya Bay Collaboration
The full data set of the Daya Bay reactor neutrino experiment is used to probe the effect of the charged current non-standard interactions (CC-NSI) on neutrino oscillation experiments. Two different approaches are applied and constraints on the corresponding CC-NSI parameters are obtained with the neutrino flux taken from the Huber-Mueller model with a $5\%$ uncertainty. [...]
arXiv:2401.02901.-
2024-05-16 - 25 p.
- Published in : JHEP 2405 (2024) 204
Fulltext: document - PDF; 2401.02901 - PDF;
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4.
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One-to-one correspondence reconstruction at the electron-positron Higgs factory
/ Wang, Yuexin (Beijing, Inst. High Energy Phys.) ; Liang, Hao (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS ; Vanderbilt U.) ; Zhu, Yongfeng (Peking U., SKLNPT) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Xia, Xin (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Qu, Huilin (CERN) ; Zhou, Chen (Peking U., SKLNPT) ; Zhuang, Xuai (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
We propose one-to-one correspondence reconstruction for electron-positron Higgs factories. For each visible particle, one-to-one correspondence aims to associate relevant detector hits with only one reconstructed particle and accurately identify its species. [...]
arXiv:2411.06939.-
2025-05-15 - 18 p.
- Published in : Comput. Phys. Commun. 314 (2025) 109661
Fulltext: PDF;
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5.
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ParticleNet and its application on CEPC Jet Flavor Tagging
/ Zhu, Yongfeng (Peking U., SKLNPT) ; Liang, Hao (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Wang, Yuexin (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Qu, Huilin (CERN) ; Zhou, Chen (Peking U., SKLNPT) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
Identification of quark flavor is essential for collider experiments in high-energy physics, relying on the flavor tagging algorithm. In this study, using a full simulation of the Circular Electron Positron Collider (CEPC), we investigated the flavor tagging performance of two different algorithms: ParticleNet, originally developed at CMS, and LCFIPlus, the current flavor tagging algorithm employed at CEPC. [...]
arXiv:2309.13231.-
2024-02-14 - 10 p.
- Published in : Eur. Phys. J. C 84 (2024) 152
Fulltext: 2309.13231 - PDF; document - PDF;
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6.
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Jet-Origin Identification and Its Application at an Electron-Positron Higgs Factory
/ Liang, Hao (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Zhu, Yongfeng (Peking U., SKLNPT) ; Wang, Yuexin (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS ; CCAST World Lab, Beijing) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Zhou, Chen (Peking U., SKLNPT) ; Qu, Huilin (CERN) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
To enhance the scientific discovery power of high-energy collider experiments, we propose and realize the concept of jet origin identification that categorizes jets into 5 quark species $(b,c,s,u,d)$, 5 anti-quarks $(\bar{b},\bar{c},\bar{s},\bar{u},\bar{d})$, and the gluon. Using state-of-the-art algorithms and simulated $\nu\bar{\nu}H, H\rightarrow jj$ events at 240 GeV center-of-mass energy at the electron-positron Higgs factory, the jet origin identification simultaneously reaches jet flavor tagging efficiencies ranging from 67% to 92% for bottom, charm, and strange quarks, and jet charge flip rates of 7% to 24% for all quark species. [...]
arXiv:2310.03440.-
2024-05-31 - 8 p.
- Published in : Phys. Rev. Lett. 132 (2024) 221802
Fulltext: 2310.03440 - PDF; Publication - PDF;
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7.
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8.
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Particle physics using reactor antineutrinos
/ CHANDLER Collaboration
Nuclear reactors are uniquely powerful, abundant, and flavor-pure sources of antineutrinos that continue to play a vital role in the US neutrino physics program. The US reactor antineutrino physics community is a diverse interest group encompassing many detection technologies and many particle physics topics, including Standard Model and short-baseline oscillations, BSM physics searches, and reactor flux and spectrum modeling. [...]
arXiv:2203.07214; FERMILAB-CONF-22-853-PPD-SCD.-
2024-06-26 - 50 p.
- Published in : J. Phys. G
Fulltext: c8e12e623ffdea56add50e6e3de8fdab - PDF; 2203.07214 - PDF; External links: Fermilab Library Server; eConf
In : 2021 Snowmass Summer Study, Seattle, WA, United States, 11 - 20 July 2021, pp.080501
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9.
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Model Independent Approach of the JUNO $^8$B Solar Neutrino Program
/ JUNO Collaboration
The physics potential of detecting $^8$B solar neutrinos is exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. [...]
arXiv:2210.08437.
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24 p.
Fulltext
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10.
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Radiation campaign of HPK prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)Radiation Campaign of HPK Prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)
/ Shi, X. (Beijing, Inst. High Energy Phys.) ; Ayoub, M.K. (Beijing, Inst. High Energy Phys.) ; da Costa, J. Barreiro Guimarães (Beijing, Inst. High Energy Phys.) ; Cui, H. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Kiuchi, R. (Beijing, Inst. High Energy Phys.) ; Fan, Y. (Beijing, Inst. High Energy Phys.) ; Han, S. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Huang, Y. (Beijing, Inst. High Energy Phys.) ; Jing, M. (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Liang, Z. (Beijing, Inst. High Energy Phys.) et al.
We report on the results of a radiation campaign with neutrons and protons of Low Gain Avalanche Detectors (LGAD) produced by Hamamatsu (HPK) as prototypes for the High-Granularity Timing Detector (HGTD) in ATLAS. Sensors with an active thickness of 50~$\mu$m were irradiated in steps of roughly 2$\times$ up to a fluence of $3\times10^{15}~\mathrm{n_{eq}cm^{-2}}$. [...]
arXiv:2004.13895.-
2020-11-01 - 15 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 979 (2020) 164382
Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164382
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