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A high-lying isomer in ^{92}Zr with lifetime modulated by the atomic charge states: a proposed approach for a nuclear gamma-ray laser

Fuente: arXiv

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Auteurs principaux:	Jia, C. X., Guo, S., Ding, B., Zhou, X. H., Yuan, C. X., Wang, W. Hua J. G., Xu, S. W., Petrache, C. M., Lawrie, E. A., Wu, Y. B., Fang, Y. D., Qiang, Y. H., Yang, Y. Y., Ma, J. B., Chen, J. L., Chen, H. X., Fang, F., Yu, Y. H., Lv, B. F., Zeng, F. F., Zeng, Q. B., Huang, H., Jia, Z. H., Liang, W., Zhang, W. Q., Li, J. H., Xu, J. H., Liu, M. Y., Zheng, Y., Bai, Z., Jin, S. L., Wang, K., Duan, F. F., Yang, G., Li, G. S., Liu, M. L., Liu, Z., Gan, Z. G., Wang, M., Zhang, Y. H., Liang, Y. Q., Rui, Wei, Li, S. Q., Ong, H. J., Li, Y., Huang, N. W., Liu, L. J., Rohilla, A.
Format:	Preprint
Publié:	2025
Sujets:	Nuclear Experiment Atomic Physics
Accès en ligne:	Acceder al recurso
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_version_	1866908518915768320
author	Jia, C. X. Guo, S. Ding, B. Zhou, X. H. Yuan, C. X. Wang, W. Hua J. G. Xu, S. W. Petrache, C. M. Lawrie, E. A. Wu, Y. B. Fang, Y. D. Qiang, Y. H. Yang, Y. Y. Ma, J. B. Chen, J. L. Chen, H. X. Fang, F. Yu, Y. H. Lv, B. F. Zeng, F. F. Zeng, Q. B. Huang, H. Jia, Z. H. Liang, W. Zhang, W. Q. Li, J. H. Xu, J. H. Liu, M. Y. Zheng, Y. Bai, Z. Jin, S. L. Wang, K. Duan, F. F. Yang, G. Li, G. S. Liu, M. L. Liu, Z. Gan, Z. G. Wang, M. Zhang, Y. H. Liang, Y. Q. Rui, Wei Li, S. Q. Ong, H. J. Li, Y. Huang, N. W. Liu, L. J. Rohilla, A.
author_facet	Jia, C. X. Guo, S. Ding, B. Zhou, X. H. Yuan, C. X. Wang, W. Hua J. G. Xu, S. W. Petrache, C. M. Lawrie, E. A. Wu, Y. B. Fang, Y. D. Qiang, Y. H. Yang, Y. Y. Ma, J. B. Chen, J. L. Chen, H. X. Fang, F. Yu, Y. H. Lv, B. F. Zeng, F. F. Zeng, Q. B. Huang, H. Jia, Z. H. Liang, W. Zhang, W. Q. Li, J. H. Xu, J. H. Liu, M. Y. Zheng, Y. Bai, Z. Jin, S. L. Wang, K. Duan, F. F. Yang, G. Li, G. S. Liu, M. L. Liu, Z. Gan, Z. G. Wang, M. Zhang, Y. H. Liang, Y. Q. Rui, Wei Li, S. Q. Ong, H. J. Li, Y. Huang, N. W. Liu, L. J. Rohilla, A.
contents	The nuclides ^{92}Zr are produced and transported by using a radioactive beam line to a lowbackground detection station. After a flight time of about 1.14 μs, the ions are implanted into a carbon foil, and four γ rays deexciting the 8+ state in ^{92}Zr are observed in coincidence with the implantation signals within a few nanoseconds. We conjecture that there exists an isomer located slightly above the 8^{+} state in ^{92}Zr. The isomeric lifetime in highly charged states is extended significantly due to the blocking of internal conversion decay channels, enabling its survival over the transportation. During the slowing-down process in the carbon foil, the ^{92}Zr ions capture electron and evolve toward neutral atoms, and consequently the lifetime is restored to a normal short value. Such a high-lying isomer depopulated by a low-energy transition may provide unique opportunity to develop nuclear γ laser.
format	Preprint
id	arxiv_https___arxiv_org_abs_2509_03797
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	A high-lying isomer in ^{92}Zr with lifetime modulated by the atomic charge states: a proposed approach for a nuclear gamma-ray laser Jia, C. X. Guo, S. Ding, B. Zhou, X. H. Yuan, C. X. Wang, W. Hua J. G. Xu, S. W. Petrache, C. M. Lawrie, E. A. Wu, Y. B. Fang, Y. D. Qiang, Y. H. Yang, Y. Y. Ma, J. B. Chen, J. L. Chen, H. X. Fang, F. Yu, Y. H. Lv, B. F. Zeng, F. F. Zeng, Q. B. Huang, H. Jia, Z. H. Liang, W. Zhang, W. Q. Li, J. H. Xu, J. H. Liu, M. Y. Zheng, Y. Bai, Z. Jin, S. L. Wang, K. Duan, F. F. Yang, G. Li, G. S. Liu, M. L. Liu, Z. Gan, Z. G. Wang, M. Zhang, Y. H. Liang, Y. Q. Rui, Wei Li, S. Q. Ong, H. J. Li, Y. Huang, N. W. Liu, L. J. Rohilla, A. Nuclear Experiment Atomic Physics The nuclides ^{92}Zr are produced and transported by using a radioactive beam line to a lowbackground detection station. After a flight time of about 1.14 μs, the ions are implanted into a carbon foil, and four γ rays deexciting the 8+ state in ^{92}Zr are observed in coincidence with the implantation signals within a few nanoseconds. We conjecture that there exists an isomer located slightly above the 8^{+} state in ^{92}Zr. The isomeric lifetime in highly charged states is extended significantly due to the blocking of internal conversion decay channels, enabling its survival over the transportation. During the slowing-down process in the carbon foil, the ^{92}Zr ions capture electron and evolve toward neutral atoms, and consequently the lifetime is restored to a normal short value. Such a high-lying isomer depopulated by a low-energy transition may provide unique opportunity to develop nuclear γ laser.
title	A high-lying isomer in ^{92}Zr with lifetime modulated by the atomic charge states: a proposed approach for a nuclear gamma-ray laser
topic	Nuclear Experiment Atomic Physics
url	https://arxiv.org/abs/2509.03797