Commentary05 Feb 2024
Unbound 28O, the heaviest oxygen isotope observed: a cutting‑edge probe for testing nuclear models
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Review article22 Feb 2025
Production of exotic hadrons in pp and nuclear collisions
Exotic hadrons, beyond the conventional quark model, have been discovered over the past two decades. Investigating these states can lead to a deeper understanding of the nonperturbative dynamics of the strong interaction. In this review, we focus on the production of exotic hadrons in pp, pp¯, and nuclear collisions. Experimental observations of light and hypernuclei as prototypes of hadronic molecules in heavy-ion collisions are also briefly discussed.
Yu-Gang Ma, Jin-Hui Chen, Feng-Kun Guo, Cheng-Ping Shen, Qi-Ye Shou, Qian Wang, Jia-Jun Wu, Bing-Song Zou
Review article22 Feb 2025
Reduced-width amplitude in nuclear cluster physics
As a cluster overlap amplitude, the reduced-width amplitude is an important physical quantity for analyzing clustering in the nucleus depending on specified channels and has been calculated and widely applied in nuclear cluster physics. In this review, we briefly revisit the theoretical framework for calculating the reduced-width amplitude, as well as the outlines of cluster models to obtain microscopic or semi-microscopic cluster wave functions. We also introduce the recent progress related to cluster overlap amplitudes, including the implementation of cross-section estimation and extension to three-body clustering analysis. Comprehensive examples are provided to demonstrate the application of the reduced-width amplitude in analyzing clustering structures.
Bo Zhou, De-Ye Tao
Research article22 Feb 2025
Optimizations and applications in large-scale scenes of Monte Carlo geometry conversion code CMGC
In response to the demand for rapid geometric modeling in Monte Carlo radiation transportation calculations for large-scale and complex geometric scenes, functional improvements, and algorithm optimizations were performed using CAD-to-Monte Carlo geometry conversion (CMGC) code. Boundary representation (BRep) to constructive solid geometry (CSG) conversion and visual CSG modeling were combined to address the problem of non-convertible geometries such as spline surfaces. The splitting surface assessment method in BRep-to-CSG conversion was optimized to reduce the number of Boolean operations using an Open Cascade. This, in turn, reduced the probability of CMGC conversion failure. The auxiliary surface generation algorithm was optimized to prevent the generation of redundant auxiliary surfaces that cause an excessive decomposition of CAD geometry solids. These optimizations enhanced the usability and stability of the CMGC model conversion. CMGC was applied successfully to the JMCT transportation calculations for the conceptual designs of five China Fusion Engineering Test Reactor (CFETR) blankets. The rapid replacement of different blanket schemes was achieved based on the baseline CFETR model. The geometric solid number of blankets ranged from hundreds to tens of thousands. The correctness of the converted CFETR models using CMGC was verified through comparisons with the MCNP calculation results. The CMGC supported radiation field evaluations for a large urban scene and detailed ship scene. This enabled the rapid conversion of CAD models with thousands of geometric solids into Monte Carlo CSG models. An analysis of the JMCT transportation simulation results further demonstrated the accuracy and effectiveness of the CMGC.
Jun-Li Li, Ling-Yu Zhang, Xue-Ming Shi, Zhen Wu, Gui-Ming Qin, Yuan-Guang Fu
CURRENT ISSUE
Nuclear Science and TechniquesVol.36, No.4
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International Workshop on Nuclear Dynamics
Nuclear Physicist
Invited Review Articles
Research Story
Unraveling Asymmetric Collisions with Tsallis Thermodynamics
Speedy Nuclear Measurements for Cleaner Energy
Bromine's Neutron Capture and the s-Process
Nondestructive Neutron Techniques boosts Material Research and Preservation
Speedy Nuclear Measurements for Cleaner Energy
Advancing Particle Analysis with Intelligent Algorithms
Exploring Nuclear Energy with Lithium Reactions
Innovative Neutronics Modeling to Maximize Plutonium-238 Output
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Open Seminar in Frontier of Nuclear Physics
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