Collinear resonance ionization spectroscopy of neutron-deficient francium isotopes.

Flanagan, K T; Lynch, K M; Billowes, J; Bissell, M L; Budincevic, I; Cocolios, T E; de Groote, R P; De Schepper, S; Fedosseev, V N; Franchoo, S; Garcia Ruiz, R F; Heylen, H; Marsh, B A; Neyens, G; Procter, T J; Rossel, R E; Rothe, S; Strashnov, I; Stroke, H H; Wendt, K D A

Flanagan, K T; Lynch, K M; Billowes, J; Bissell, M L; Budincevic, I; Cocolios, T E; de Groote, R P; De Schepper, S; Fedosseev, V N; Franchoo, S; Garcia Ruiz, R F; Heylen, H; Marsh, B A; Neyens, G; Procter, T J; Rossel, R E; Rothe, S; Strashnov, I; Stroke, H H; Wendt, K D A.

Afiliación

Flanagan KT; School of Physics and Astronomy, The University of Manchester, Manchester M13 9PL, United Kingdom.

Phys Rev Lett ; 111(21): 212501, 2013 Nov 22.

Article en En | MEDLINE | ID: mdl-24313482

RESUMEN

The magnetic moments and isotope shifts of the neutron-deficient francium isotopes (202-205)Fr were measured at ISOLDE-CERN with use of collinear resonance ionization spectroscopy. A production-to-detection efficiency of 1% was measured for (202)Fr. The background from nonresonant and collisional ionization was maintained below one ion in 10(5) beam particles. Through a comparison of the measured charge radii with predictions from the spherical droplet model, it is concluded that the ground-state wave function remains spherical down to (205)Fr, with a departure observed in (203)Fr (N=116).

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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2013 Tipo del documento: Article País de afiliación: Reino Unido Pais de publicación: Estados Unidos

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