Development and Characterization of a High-Resolution and High-Sensitivity Collinear Resonance Ionization Spectroscopy Setup
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2025
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| _version_ | 1866908373223473152 |
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| author | Hu, H. R. Guo, Y. F. Yang, X. F. Yan, Z. Mei, W. C. Chen, S. J. Liu, Y. S. Zhang, P. Bai, S. W. Chen, D. Y. Liu, Y. C. Wang, S. J. Li, Q. T. Ye, Y. L. He, C. Y. Yang, J. Liu, Z. Y. |
| author_facet | Hu, H. R. Guo, Y. F. Yang, X. F. Yan, Z. Mei, W. C. Chen, S. J. Liu, Y. S. Zhang, P. Bai, S. W. Chen, D. Y. Liu, Y. C. Wang, S. J. Li, Q. T. Ye, Y. L. He, C. Y. Yang, J. Liu, Z. Y. |
| contents | With the recent implementation of a radio-frequency quadrupole (RFQ) cooler-buncher and a multi-step laser resonance ionization technique, our previously developed collinear laser spectroscopy setup has been successfully upgraded into a fully functional collinear resonance ionization spectroscopy system. The new system was fully characterized using a bunched ion beam at 30~keV, during which hyperfine structure spectra of $^{85,87}$Rb isotopes were measured. An overall efficiency exceeding 1:200 (one resonant ion detected for every 200 ions after the RFQ cooler-buncher) was achieved while maintaining a spectral resolution of 100 MHz. Under these conditions, the extracted hyperfine structure parameters and isotope shift for $^{85,87}$Rb show excellent agreement with the literature values. These results demonstrate the system's capability to perform high-resolution and high-sensitivity laser spectroscopy of neutron-rich Rb isotopes, which are expected to be produced at the Beijing Radioactive Ion-beam Facility at a rate of approximately 100 particles per second. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_20637 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Development and Characterization of a High-Resolution and High-Sensitivity Collinear Resonance Ionization Spectroscopy Setup Hu, H. R. Guo, Y. F. Yang, X. F. Yan, Z. Mei, W. C. Chen, S. J. Liu, Y. S. Zhang, P. Bai, S. W. Chen, D. Y. Liu, Y. C. Wang, S. J. Li, Q. T. Ye, Y. L. He, C. Y. Yang, J. Liu, Z. Y. Instrumentation and Detectors Nuclear Experiment Accelerator Physics With the recent implementation of a radio-frequency quadrupole (RFQ) cooler-buncher and a multi-step laser resonance ionization technique, our previously developed collinear laser spectroscopy setup has been successfully upgraded into a fully functional collinear resonance ionization spectroscopy system. The new system was fully characterized using a bunched ion beam at 30~keV, during which hyperfine structure spectra of $^{85,87}$Rb isotopes were measured. An overall efficiency exceeding 1:200 (one resonant ion detected for every 200 ions after the RFQ cooler-buncher) was achieved while maintaining a spectral resolution of 100 MHz. Under these conditions, the extracted hyperfine structure parameters and isotope shift for $^{85,87}$Rb show excellent agreement with the literature values. These results demonstrate the system's capability to perform high-resolution and high-sensitivity laser spectroscopy of neutron-rich Rb isotopes, which are expected to be produced at the Beijing Radioactive Ion-beam Facility at a rate of approximately 100 particles per second. |
| title | Development and Characterization of a High-Resolution and High-Sensitivity Collinear Resonance Ionization Spectroscopy Setup |
| topic | Instrumentation and Detectors Nuclear Experiment Accelerator Physics |
| url | https://arxiv.org/abs/2503.20637 |