検索対象:     
報告書番号:
※ 半角英数字
 年 ~ 
 年

In-source laser spectroscopy with the laser ion source and trap; First direct study of the ground-state properties of $$^{217,219}$$Po

レーザーイオン源内核分光で明らかにした$$^{217,219}$$Poの基底状態の性質

Fink, D. A.*; Cocolios, T. E.*; Andreyev, A.; Antalic, S.*; Barzakh, A. E.*; Bastin, B.*; Fedorov, D. V.*; Fedosseev, V. N.*; Flanagan, K. T.*; Ghys, L.*; Gottberg, A.*; Huyse, M.*; 今井 伸明*; Kron, T.*; Lecesne, N.*; Lynch, K. M.*; Marsh, B. A.*; Pauwels, D.*; Rapisarda, E.*; Richter, S. D.*; Rossel, R. E.*; Rothe, S.*; Seliverstov, M. D.*; Sj$"o$din, A. M.*; Van Beveren, C.*; Van Duppen, P.*; Wendt, K. D. A.*

Fink, D. A.*; Cocolios, T. E.*; Andreyev, A.; Antalic, S.*; Barzakh, A. E.*; Bastin, B.*; Fedorov, D. V.*; Fedosseev, V. N.*; Flanagan, K. T.*; Ghys, L.*; Gottberg, A.*; Huyse, M.*; Imai, Nobuaki*; Kron, T.*; Lecesne, N.*; Lynch, K. M.*; Marsh, B. A.*; Pauwels, D.*; Rapisarda, E.*; Richter, S. D.*; Rossel, R. E.*; Rothe, S.*; Seliverstov, M. D.*; Sj$"o$din, A. M.*; Van Beveren, C.*; Van Duppen, P.*; Wendt, K. D. A.*

A Laser Ion Source and Trap (LIST) for a thick-target, isotope-separation on-line facility has been implemented at CERN ISOLDE for the production of pure, laser-ionized, radioactive ion beams. The first physics application of the LIST enables the suppression of francium contamination in ion beams of neutron-rich polonium isotopes at ISOLDE by more than 1000 with a reduction in laser-ionization efficiency of only 20. Resonance ionization spectroscopy is performed directly inside the LIST device, allowing the study of the hyperfine structure and isotope shift of $$^{217}$$Po for the first time. Nuclear decay spectroscopy of $$^{219}$$Po is performed for the first time, revealing its half-life, $$alpha$$-to-$$beta$$-decay branching ratio, and $$alpha$$-particle energy. This experiment demonstrates the applicability of the LIST at radioactive ion-beam facilities for the production and study of pure beams of exotic isotopes.

Access

:

- Accesses

InCites™

:

パーセンタイル:22.29

分野:Physics, Multidisciplinary

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.