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Commissioning of a radiofrequency quadrupole cooler-buncher for collinear laser spectroscopy

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arxiv 2502.10740 v3 pith:O25QCZTE submitted 2025-02-15 physics.ins-det nucl-exphysics.acc-ph

Commissioning of a radiofrequency quadrupole cooler-buncher for collinear laser spectroscopy

Yin-Shen Liu , Han-Rui Hu , Xiao-Fei Yang , Wen-Cong Mei , Yang-Fan Guo , Zhou Yan , Shao-Jie Chen , Shi-wei Bai
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Shu-Jing Wang Yong-Chao Liu Peng Zhang Dong-Yang Chen Yan-Lin Ye Qi-Te Li Jie Yang Stephan Malbrunot-Ettenauer Simon Lechner Carina Kanitz
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classification physics.ins-det nucl-exphysics.acc-ph
keywords cooler-buncherlaserbeambeencollinearspectroscopysystemefficiency
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A RadioFrequency Quadrupole (RFQ) cooler-buncher system has been developed and implemented in a collinear laser spectroscopy setup. This system is dedicated to convert a continuous ion beam into short bunches, while enhancing beam quality and reducing energy spread. The functionality of the RFQ cooler-buncher has been verified through offline tests with stable rubidium and indium beam, delivered from a surface ion source and a laser ablation ion source, respectively. With a transmission efficiency exceeding 60\%, bunched ion beams with a full width at half maximum of approximately 2~$\mu$s in the time-of-flight spectrum have been successfully achieved. The implementation of the RFQ cooler-buncher system also significantly improves the overall transmission efficiency of the collinear laser spectroscopy setup.

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Cited by 2 Pith papers

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  1. Proposal for applying the novel gas-dynamic ion-beam extraction and bunching technique to the cryogenic stopping cells at FAIR

    physics.acc-ph 2026-04 unverdicted novelty 5.0

    Simulations indicate that placing a short stack of thin cylindrical electrodes behind the extraction RF carpet in FAIR's cryogenic stopping cells can achieve 100% ion transmission and world-record emittance values acr...

  2. Commissioning and Full Realization of the PLASEN System at BRIF

    physics.ins-det 2026-03 accept novelty 4.0

    PLASEN at BRIF is fully commissioned: radioactive Rb beams yield 100-MHz-resolution hyperfine spectra with 1:200 efficiency, matching state-of-the-art CRIS setups.