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Lithium-loaded acetone-based novel liquid scintillator
Tae Yeong Kang1, Ji Young Choi1, Kyung Kwang Joo2
1Center for Precision Neutrino Research, Department of Physics, Chonnam National University, Yongbongro 77, Pukgu, 61186, Gwangju, Republic of Korea.
Scientific Reports
|July 27, 2025
Summary
Researchers developed a novel liquid scintillator using acetone, enabling easy lithium loading for neutron detection. This new method offers potential for advanced particle and nuclear physics applications.
Area of Science:
- Nuclear Physics
- Materials Science
- Chemistry
Background:
- Liquid scintillators are vital for particle detection due to high light yield and ease of synthesis.
- Developing stable and efficient liquid scintillators remains a key research area.
- Existing methods for lithium loading often require harsh chemicals, limiting applications.
Purpose of the Study:
- To synthesize a novel liquid scintillator using acetone as a base solvent.
- To investigate the physical and optical properties of the new scintillator.
- To develop an efficient method for lithium loading and explore neutron-gamma discrimination.
Main Methods:
- Acetone-based liquid scintillator synthesis with optimized mixing ratios.
- Lithium-7 loading utilizing acetone's amphiphilic properties.
- Neutron and gamma discrimination using pulse shape discrimination with a Californium-252 source.
Main Results:
- A stable liquid scintillator was successfully synthesized using acetone.
- An innovative, simple method for loading lithium-7 was achieved without harsh additives.
- Effective neutron and gamma discrimination was demonstrated using the synthesized scintillator.
Conclusions:
- Acetone's unique properties allow for a novel, efficient liquid scintillator synthesis and lithium loading.
- This research presents a new, potentially market-available liquid scintillator for nuclear physics.
- The developed scintillator shows promise for next-generation experiments in particle physics, nuclear physics, and medical physics.
