New exclusive CHIPS-TPT algorithms for simulation of neutron-nuclear reactions

16th International workshop on Advanced Computing and Analysis Techniques in physics research

物理学;计算机科学

Kosov, M.^1 ; Savin, D.^1

All-Russia Research Institute of Automatics, Moscow, Russia^1

关键词: Calculation time;    Deposited energy;    Gamma lines;    Germanium detector;    Nuclear interaction;    Quantum numbers;    Secondary particles;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/608/1/012050/pdf
DOI  :  10.1088/1742-6596/608/1/012050

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

The CHIPS-TPT physics library for simulation of neutron-nuclear reactions on the new exclusive level is being developed in CFAR VNIIA. The exclusive modeling conserves energy, momentum and quantum numbers in each neutron-nuclear interaction. The CHIPS-TPT algorithms are based on the exclusive CHIPS library, which is compatible with Geant4. Special CHIPS-TPT physics lists in the Geant4 format are provided. The calculation time for an exclusive CHIPS-TPT simulation is comparable to the time of the corresponding Geant4- HP simulation. In addition to the reduction of the deposited energy fluctuations, which is a consequence of the energy conservation, the CHIPS-TPT libraries provide a possibility of simulation of the secondary particles correlation, e.g. secondary gammas, and of the Doppler broadening of gamma lines in the spectrum, which can be measured by germanium detectors.