Han-Jie Cai

ORCID: 0000-0002-7285-9573
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About
Contact & Profiles
Research Areas
  • Nuclear reactor physics and engineering
  • Nuclear Physics and Applications
  • Particle accelerators and beam dynamics
  • Nuclear Materials and Properties
  • Muon and positron interactions and applications
  • Radiation Therapy and Dosimetry
  • Particle Detector Development and Performance
  • Fusion materials and technologies
  • Neutrino Physics Research
  • Particle Accelerators and Free-Electron Lasers
  • Superconducting Materials and Applications
  • Laser-Plasma Interactions and Diagnostics
  • Particle physics theoretical and experimental studies
  • Astrophysics and Cosmic Phenomena
  • Customer churn and segmentation
  • Ammonia Synthesis and Nitrogen Reduction
  • Laser-induced spectroscopy and plasma
  • Ion-surface interactions and analysis
  • Laser-Matter Interactions and Applications
  • Data Analysis with R
  • Particle Dynamics in Fluid Flows
  • Consumer Market Behavior and Pricing
  • Microstructure and mechanical properties
  • Fluid Dynamics and Heat Transfer
  • Radiation Detection and Scintillator Technologies

Institute of Modern Physics
2016-2024

Chinese Academy of Sciences
2016-2024

University of Chinese Academy of Sciences
2016-2024

Institute of High Energy Physics
2018

Uppsala University
2018

The Institute of Modern Physics, Chinese Academy Sciences performs research and development on the target station an accelerator-driven system (ADS) under China ADS project. A newly developed Monte Carlo program for design named GMT1.0 is presented. designed a massively parallelized simulation initiative granular-flow concept. Based combination Intranuclear Cascade Leige (INCL) model ABLA evaporation/fission model, integrates particle transport code nuclear reaction to simulate spallation...

10.13182/nse15-59 article EN Nuclear Science and Engineering 2016-03-10

A high-intensity muon source driven by a continuous-wave superconducting linac holds the potential to significantly advance intensity frontier of sources. Alongside advancements in accelerator technologies, breakthroughs production target and collection schemes are essential. After brief introduction development accelerator-driven system linac, novel is proposed, utilizing free-surface liquid lithium jet capable handling heat power generated proton beam with an energy 600 MeV current 5 mA....

10.1103/physrevaccelbeams.27.023403 article EN cc-by Physical Review Accelerators and Beams 2024-02-27

The dense granular flow spallation target is a new concept proposed for an Accelerator-Driven Sub-critical (ADS) system. In this paper, the beam-target configurations of tungsten ADS with thermal power 1 GW explored. beam profile options using different scanning methods are discussed. critical geometry parameters adjusted to investigate performance from aspects neutron efficiency, stability and temperature distribution in medium. To figure out how under accident conditions would behave,...

10.1016/j.net.2022.01.022 article EN cc-by-nc-nd Nuclear Engineering and Technology 2022-01-28

10.1016/j.nima.2018.08.071 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2018-08-27

A new target solution, the granular waterfall target, is proposed here for a muon collider or muon-decay neutrino beam facility, especially moment which adopts 15 MW continuous-wave (cw) superconducting linac. Compared to mercury jet works by much simpler mechanism can operate with more powerful beam, are indicated detailed investigations into heat depositions and evaluations of temperature increases different concepts. By varying proton kinetic energy geometrical parameters an overall...

10.1103/physrevaccelbeams.20.023401 article EN cc-by Physical Review Accelerators and Beams 2017-02-01

10.1016/j.nima.2017.10.078 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2017-11-20

The Chinese Accelerator Front end (CAFe) is a demo superconducting proton linac for an accelerator-driven subcritical system (ADS). It includes electron-cyclotron resonance ion source, low-energy transport line, radio-frequency quadrupole, medium-energy section, high-energy and beam dump. design energy current are 20 MeV 10 mA, with power of 200 kW. goal the CAFe to demonstrate 10-mA ability full linac, especially in region. In previous commissioning, maximum achieved was 34 kW, which...

10.1080/00295639.2022.2164149 article EN Nuclear Science and Engineering 2023-03-01

As the highest power proton linear accelerator in continuous wave mode, China initiative Accelerator Driven sub-critical System will deliver 2.5 MW beam to target inside reactor. Vacuum transition from $5\ifmmode\times\else\texttimes\fi{}{10}^{4}\text{ }\text{ }\mathrm{Pa}$ several ${10}^{\ensuremath{-}6}\text{ is required at section. A vacuum differential system located transfer line designed meet requirement of windowless and upstream collimators are considered for loss control this paper....

10.1103/physrevaccelbeams.23.113002 article EN cc-by Physical Review Accelerators and Beams 2020-11-17

The spontaneous conversion of muonium to antimuonium is one the interesting charged lepton flavor violation phenomena, offering a sensitive probe potential new physics and serving as tool constrain parameter space beyond Standard Model. Utilizing high-intensity muon beam, Michel electron magnetic spectrometer positron transport solenoid together with detection system, MACE aims discover or this rare process at probability level $10^{-13}$. This report provides an overview theoretical...

10.48550/arxiv.2410.18817 preprint EN arXiv (Cornell University) 2024-10-24

The dynamics of granular material discharging from a cuboid but thin hopper, including the hopper flow and jet, are investigated via discrete element method (DEM) simulations. slot width is varied to study its influence on flow. It found in has similarity with two-dimensional (2D) hopper. When large, flowrate higher than predicted value Beverloo’s law velocity distribution not Gaussian-like. For there transition varying width. large width, dense core jet variations velocities density...

10.1088/1674-1056/ab7807 article EN Chinese Physics B 2020-02-20

The proposal of a high-intensity muon source driven by the CiADS linac, which has potential to be one state-of-the-art facilities, is presented in this paper. We briefly introduce development progress superconducting linac CiADS. Then consideration challenges related high-power production target given and liquid lithium jet concept proposed, for first time. exploration optimal geometry surface efficiency investigation into performance rate are given. Based on comparison between rotation...

10.48550/arxiv.2309.01520 preprint EN cc-by arXiv (Cornell University) 2023-01-01

10.18429/jacow-ipac2019-thpgw041 article EN 10th Int. Particle Accelerator Conf. (IPAC'19), Melbourne, Australia, 19-24 May 2019 2019-06-01

The muon decay medium-baseline facility (MOMENT) is a high intensity neutrino beam proposed in China, aiming to measure leptonic CP-violation. primary proton has 15 MW of power provided from an ADS type linac, which poses radiation challenge capture system that consists adiabatic superconductive solenoid 14 T 3 T, and liquid or fluidized target located inside the main coil order maximize pions reduce their transverse momentum. Though initial baseline Hg-jet, novel waterfall-like granular...

10.22323/1.295.0090 article EN cc-by-nc-nd 2018-02-25
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