Personal Information
Address: Rome, Italy
E-mail: [email protected]
ORCID ID: 0000-0003-4793-230X
INSPIRE HEP: inspirehep.net/authors/1513081
Professional Experience
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Aug 2024 - Now |
INFN Roma Tor Vergata, Rome, Italy Postdoctoral researcher Research topic: Cosmic-ray nuclei measurements and machine learning applications in AMS experiment. |
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Sept 2023 - &Jun 2024 |
CERN, Geneva (remote) External collaborator (remote) Research topic: Collaborating remotely with the AMS Geneva group on studying of cosmic-ray radioactivity to understand the cosmic ray propagation mechanisms. |
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Aug 2021 - Sept 2023 |
Institute of High Energy Physics, Beijing, China PostDoc / Special research assistant Research topic: developing event reconstruction and particle identification algorithms using machine learning techniques for GeV-scale events in JUNO experiment; analyzing JUNO's sensitivity to neutrino mass ordering from atmospheric neutrino measurements; also contributing to the development of online event classification software and PMT waveform reconstruction algorithms. |
Education
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Sept 2017 - Aug 2021 |
University of Geneva & CERN, Geveva, Switzerland Ph.D. in astroparticle physics with the AMS experiment Research topic: working on the measurement of cosmic Aluminum and Magnesium nuclei fluxes with the AMS-02 detector and the estimation of the cosmic-ray confinement time in the galaxy from the surviving fraction of the secondary radionuclide 26Al, and also contributing to the AMS-02 data taking activities monitoring the Tracker, TRD and ACC detectors as well as the Thermal Control System. Thesis Title: Measurement of cosmic-ray magnesium and aluminum fluxes with the Alpha Magnetic Spectrometer on the International Space Station (the highest grade / Très Bien) |
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Sept 2014 - Mar 2017 |
Shanghai Jiao Tong University, Shanghai, China M.S. in particle physics and nuclear physics , Rank: top 1% Research topic: building new physics models beyond the Standard Model of particle physics to understand the mechanisms of neutrino mass generation and its hints at the neutrinoless double beta decay experiment. Thesis Title: Correlation between neutrino mass and neutrinoless double beta decay | |
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Sept 2010 - Jul 2014 |
Sichuan University, Chengdu, China B.E. in nuclear engineering and technology |
Fundings and Programs
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July 2022 |
The international postdoctoral exchange fellowship program (Number of selected participants less or equal to 500)
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July 2022 |
The special research assistant program of the Chinese Academy of Sciences (Awarded with a success rate of much less than 10%)
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June 2022 |
The fellowship of China Postdoctoral Science Foundation (Awarded with a success rate of ~17%)
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Primary contributed papers
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May 2024 |
Wei Jiang, Guihong Huang, Zhen Liu (Co-corresponding Author), Wuming Luo, et al. Machine-Learning based photon counting for PMT waveforms and its application to the improvement of the energy resolution in large liquid scintillator detectors.
arXiv:2405.18720， submitted to European Physical Journal C. https://arxiv.org/abs/2405.18720 |
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March 2024 |
Hongyue Duyang, Teng Li, Jiaxi Liu, Zhen Liu (Co-corresponding Author), Wuming Luo, et al. First attempt of directionality reconstruction for atmospheric neutrinos in a large homogeneous liquid scintillator detector.
Physical Review D, 109(5), 052005. https://doi.org/10.1103/PhysRevD.109.052005 |
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July 2021 |
Zhen Liu, Mercedes Paniccia, Cheng Zhang. Properties of Cosmic Aluminum Nuclei: Results from the Alpha Magnetic Spectrometer. Proceedings of science (ICRC-2021).
https://doi.org/10.22323/1.395.0110 |
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July 2021 |
AMS Collaboration. Properties of a New Group of Cosmic Nuclei: Results from the Alpha Magnetic Spectrometer on Sodium, Aluminum, and Nitrogen. Physical Review Letters, 127, 021101.
https://doi.org/10.1103/PhysRevLett.127.021101 |
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May 2020 |
AMS Collaboration. Properties of Neon, Magnesium, and Silicon Primary Cosmic Rays Results from the Alpha Magnetic Spectrometer. Physical Review Letters, 124(21), 211102.
https://doi.org/10.1103/PhysRevLett.124.211102 The paper has been widely recognized by the physics community: reported by the Physics Journal, selected as "Featured in Physics" and "Editors' Suggestion" by PRL |
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Dec 2016 |
Z. Liu, P-H Gu. Extending two Higgs doublet models for two-loop neutrino mass generation and one-loop neutrinoless double beta decay. Nuclear Physics B https://doi.org/10.1016/j.nuclphysb.2016.12.001 |
Primary contributed papers (in preparation)
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2024 |
Zhen Liu, Yongpeng Zhang, et al. Flavor identification of atmospheric neutrinos in the large liquid scintillation detector. In preparation |
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2024 |
Kfir Blum, Yao Chen, Zhen Liu, Mercedes Paniccia, and Jiahui Wei. Reading the time in cosmic ray clocks. In preparation |
Collaboration papers
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February 2021 |
AMS Collaboration. Properties of Heavy Secondary Fluorine Cosmic Rays: Results from the Alpha Magnetic Spectrometer. Physical Review Letters, 126, 081102.
https://doi.org/ 10.1103/PhysRevLett.126.081102 |
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February 2021 |
AMS Collaboration. The Alpha Magnetic Spectrometer (AMS) on the international space station: Part II − Results from the first seven years. Physics Reports.
https://doi.org/10.1016/j.physrep.2020.09.003 |
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January 2021 |
AMS Collaboration. Properties of Iron Primary Cosmic Rays: Results from the Alpha Magnetic Spectrometer. Physical Review Letters, 126, 041104.
https://doi.org/ 10.1103/PhysRevLett.126.041104 |
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November 2019 |
AMS Collaboration. Properties of Cosmic Helium Isotopes Measured by the Alpha Magnetic Spectrometer. Physical Review Letters, 123, 181102.
https://doi.org/10.1103/PhysRevLett.123.181102 |
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March 2019 |
AMS Collaboration. Towards Understanding the Origin of Cosmic-Ray Electrons. Physical Review Letters, 122, 101101.
https://doi.org/10.1103/PhysRevLett.122.101101 |
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January 2019 |
AMS Collaboration. Towards Understanding the Origin of Cosmic-Ray Positrons. Physical Review Letters, 122, 041102
https://doi.org/10.1103/PhysRevLett.122.041102 |
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July 2018 |
AMS Collaboration. Precision Measurement of Cosmic-Ray Nitrogen and its Primary and Secondary Components with the Alpha Magnetic Spectrometer on the International Space Station. Physical Review Letters, 121, 051103
https://doi.org/10.1103/PhysRevLett.121.051103 |
Conferences
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August 2023 |
The 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023). Talk on JUNO's physics potential. https://indico.desy.de/event/34916/contributions/147007/ |
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July 2023 |
The 29th International Workshop on Weak Interactions and Neutrinos (WIN2023). Poster Presentation.
https://indico.ihep.ac.cn/event/18269/contributions/135315/ |
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July 2022 |
The 41th International Conference on High Energy Physics (ICHEP 2022). Poster Presentation.
yy https://agenda.infn.it/event/28874/contributions/169701 |
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June 2022 |
The XXX International Conference on Neutrino Physics and Astrophysics (Neutrino 2022), Poster Presentation(co-author).
https://indico.kps.or.kr/event/30/contributions/510 |
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July 2021 |
The 37th International Cosmic Ray Conference (ICRC-2021). Poster Presentation, contribution ID CRD-115.
https://pos.sissa.it/395/110 |
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June 2021 |
Swiss Institute of Particle Physics (CHIPP) Annual Plenary meeting 2021. Poster Presentation.
https://indico.cern.ch/event/995303 |
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September 2019 |
Joint Annual meeting of the Swiss Physical Society and Austrian Physical Society 2019. Poster Presentation, contribution ID 374. https://www.sps.ch/fileadmin/doc/Tagungen/2019_Zuerich/2019_Poster.pdf |
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September 2018 |
Annual Meeting of the Swiss Physical Society 2018. Poster Presentation, contribution ID 374.
https://www.sps.ch/fileadmin/doc/Tagungen/2018_Lausanne/2018_Poster.pdf |
Selected Experience
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Student Supervision |
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Hands-on Tutorial |
Hands-on tutorial about the application of PointNet meachine learning model at the IHEP ML Innovation group meeting, December 2022.
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Teaching Assistant |
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