{"id":64,"date":"2011-06-30T15:05:37","date_gmt":"2011-06-30T12:05:37","guid":{"rendered":"http:\/\/magneticmoments.info\/wp\/?p=64"},"modified":"2011-06-30T15:05:37","modified_gmt":"2011-06-30T12:05:37","slug":"paper-wigner-crystals-of-229th-for-optical-excitation-of-the-nuclear-isomer","status":"publish","type":"post","link":"https:\/\/magneticmoments.info\/wp\/?p=64","title":{"rendered":"[paper] Wigner Crystals of <sup>229<\/sup>Th for Optical Excitation of the Nuclear Isomer"},"content":{"rendered":"<p><em>Wigner Crystals of <sup>229<\/sup>Th for Optical Excitation of the Nuclear Isomer<\/em><\/p>\n<p>C.J. Campbell <em>et al.<\/em><\/p>\n<p>doi: <a href=\"http:\/dx.doi.org\/10.1103\/PhysRevLett.106.223001\">10.1103\/PhysRevLett.106.223001<\/a><\/p>\n<p>We have produced laser-cooled Wigner crystals of <sup>229<\/sup>Th<sup>3+<\/sup> in a linear Paul trap. The magnetic dipole (A) and electric quadrupole (B) hyperfine constants for four low-lying electronic levels and the relative isotope shifts with respect to <sup>232<\/sup>Th<sup>3+<\/sup> for three low-lying optical transitions are measured. Using the hyperfine B constants in conjunction with prior atomic structure calculations, a new value of the spectroscopic nuclear electric quadrupole moment Q=3.11(16)\u2009\u2009eb is deduced. These results are a step towards optical excitation of the low-lying isomer level in the <sup>229<\/sup>Th nucleus.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wigner Crystals of 229Th for Optical Excitation of the Nuclear Isomer C.J. Campbell et al. doi: 10.1103\/PhysRevLett.106.223001 We have produced laser-cooled Wigner crystals of 229Th3+ in a linear Paul trap. The magnetic dipole (A) and electric quadrupole (B) hyperfine constants&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[3,1],"tags":[101,105,102,5,103,104,29],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6YIb0-12","jetpack-related-posts":[{"id":193,"url":"https:\/\/magneticmoments.info\/wp\/?p=193","url_meta":{"origin":64,"position":0},"title":"[paper] Isomer Shift and Magnetic Moment of the Long-Lived \u00bd+ Isomer in 79Zn: Signature of Shape Coexistence near 78Ni","date":"May 16, 2016","format":false,"excerpt":"Isomer Shift and Magnetic Moment of the Long-Lived \u00bd+ Isomer in 79Zn: Signature of Shape Coexistence near 78Ni X.F. 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We used a computational scheme that treats relativistic and high-order electronic correlation effects within the coupled cluster with single, double, triple, and perturbative quadruple excitations\u2026","rel":"","context":"In &quot;g factor&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":186,"url":"https:\/\/magneticmoments.info\/wp\/?p=186","url_meta":{"origin":64,"position":3},"title":"[Paper] Table of nuclear electric quadrupole moments","date":"Apr 12, 2016","format":false,"excerpt":"Table of nuclear electric quadrupole moments N.J. Stone doi: 10.1016\/j.adt.2015.12.002 This Table is a compilation of experimental measurements of static electric quadrupole moments of ground states and excited states of atomic nuclei throughout the periodic table. 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