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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. [...]
arXiv:2411.06939.
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18.
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CEPC Technical Design Report: Accelerator
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large scientific project initiated and hosted by China, fostered through extensive collaboration with international partners. The complex comprises four accelerators: a 30 GeV Linac, a 1.1 GeV Damping Ring, a Booster capable of achieving energies up to 180 GeV, and a Collider operating at varying energy modes (Z, W, H, and ttbar). [...]
arXiv:2312.14363; IHEP-CEPC-DR-2023-01; IHEP-AC-2023-01.-
2024-06-03 - 1106 p.
- Published in : Radiat. Detect. Technol. Methods 8 (2024) 1-1105
Fulltext: 2312.14363 - PDF; Publication - PDF;
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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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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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Complexity Equals Anything II
/ Belin, Alexandre (CERN ; Geneva U. ; Milan Bicocca U.) ; Myers, Robert C. (Perimeter Inst. Theor. Phys.) ; Ruan, Shan-Ming (Kyoto U., Yukawa Inst., Kyoto) ; Sárosi, Gábor (CERN) ; Speranza, Antony J. (Illinois U., Urbana)
We expand on our results in arXiv:2111.02429 to present a broad new class of gravitational observables in asymptotically Anti-de Sitter space living on general codimension-zero regions of the bulk spacetime. By taking distinct limits, these observables can reduce to well-studied holographic complexity proposals, e.g., the volume of the maximal slice and the action or spacetime volume of the Wheeler-DeWitt patch. [...]
arXiv:2210.09647; CERN-TH-2022-159; YITP-22-101.-
2023-01-26 - 53 p.
- Published in : JHEP 2301 (2023) 154
Fulltext: 2210.09647 - PDF; document - PDF;
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Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021
/ Belloni, Alberto (Maryland U.) ; Freitas, Ayres (Pittsburgh U.) ; Tian, Junping (Tokyo U., ICEPP) ; Alcaraz Maestre, Juan (Madrid, CIEMAT) ; Apyan, Aram (Brandeis U.) ; Azartash-Namin, Bianca (Oklahoma U.) ; Azzurri, Paolo (INFN, Pisa) ; Banerjee, Swagato (Louisville U.) ; Beyer, Jakob (DESY) ; Bhattacharya, Saptaparna (Northwestern U.) et al.
The precise measurement of physics observables and the test of their consistency within the standard model (SM) are an invaluable approach, complemented by direct searches for new particles, to determine the existence of physics beyond the standard model (BSM). [...]
arXiv:2209.08078.
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eConf - Fulltext
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Complexity Equals Anything?
/ Belin, Alexandre (CERN) ; Myers, Robert C. (Perimeter Inst. Theor. Phys.) ; Ruan, Shan-Ming (Perimeter Inst. Theor. Phys. ; Waterloo U. ; Kyoto U., Yukawa Inst., Kyoto) ; Sárosi, Gábor (CERN) ; Speranza, Antony J. (Perimeter Inst. Theor. Phys. ; Illinois U., Urbana)
We present a new infinite class of gravitational observables in asymptotically anti–de Sitter space living on codimension-one slices of the geometry, the most famous of which is the volume of the maximal slice. We show that these observables display universal features for the thermofield-double state: they grow linearly in time at late times and reproduce the switchback effect in shock wave geometries. [...]
arXiv:2111.02429; CERN-TH-2021-181; YITP-22-02.-
2022-02-23 - 7 p.
- Published in : Phys. Rev. Lett. 128 (2022) 081602
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Reconstruction of physics objects at the Circular Electron Positron Collider with Arbor
/ Ruan, M. (Institute of High Energy Physics Beijing) ; Zhao, H. (Institute of High Energy Physics Beijing) ; Li, G. (Institute of High Energy Physics Beijing) ; Fu, C. (Institute of High Energy Physics Beijing) ; Wang, Z. (Institute of High Energy Physics Beijing) ; Lou, X. (Institute of High Energy Physics, Chinese Academy of Sciences, University of Texas, UCAS) ; Yu, D. (Institute of High Energy Physics Beijing, CNRS-LLR) ; Boudry, V. (CNRS-LLR) ; Videau, H. (CNRS-LLR) ; Balagura, V. (CNRS-LLR) et al.
After the Higgs discovery, precise measurements of the Higgs properties and the electroweak observables become vital for the experimental particle physics. A powerful Higgs/Z factory, the Circular Electron Positron Collider (CEPC) is proposed. [...]
AIDA-2020-PUB-2018-014.-
Geneva : CERN, 2018
- Published in : 10.1140/epjc/s10052-018-5876-z
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CEPC Conceptual Design Report: Volume 2 - Physics & Detector
/ CEPC Study Group Collaboration
The Circular Electron Positron Collider (CEPC) is a large international scientific facility proposed by the Chinese particle physics community to explore the Higgs boson and provide critical tests of the underlying fundamental physics principles of the Standard Model that might reveal new physics. [...]
arXiv:1811.10545 ; IHEP-CEPC-DR-2018-02 ; IHEP-EP-2018-01 ; IHEP-TH-2018-01.
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2018 - 424.
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