{"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. Yang et al. doi:\u00a010.1103\/PhysRevLett.116.182502 Collinear laser spectroscopy is performed on the\u00a079Zn\u00a0isotope at ISOLDE-CERN. The existence of a long-lived isomer with a few hundred milliseconds half-life is confirmed, and the nuclear spins\u2026","rel":"","context":"In &quot;g factor&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":107,"url":"https:\/\/magneticmoments.info\/wp\/?p=107","url_meta":{"origin":64,"position":1},"title":"[paper] Is the 7\/21&#8211; Isomer State of 43S Spherical?","date":"Apr 16, 2012","format":false,"excerpt":"Is the 7\/21- Isomer State of 43S Spherical? R. Chevrier et al. doi: 10.1103\/PhysRevLett.108.162501 We report on the spectroscopic quadrupole moment measurement of the 7\/21- isomeric state in 4316S27 [E*=320.5(5)\u2009\u2009keV, T1\/2=415(3)\u2009\u2009ns], using the time dependent perturbed angular distribution technique at the RIKEN RIBF facility. Our value, \u2223Qs\u2223=23(3)\u2009\u2009efm2, is larger than\u2026","rel":"","context":"In &quot;g factor&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":426,"url":"https:\/\/magneticmoments.info\/wp\/?p=426","url_meta":{"origin":64,"position":2},"title":"Reexamination of nuclear magnetic dipole and electric quadrupole moments of polonium isotopes","date":"Feb 17, 2024","format":false,"excerpt":"Leonid V. Skripnikov and Anatoly E. Barzak DOI: 10.1103\/PhysRevC.109.024315 Abstract We reexamined the electronic structure parameters used to interpret the hyperfine structure of neutral polonium. 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. To aid identification of the states, their excitation energy, half-life, spin and parity are\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":206,"url":"https:\/\/magneticmoments.info\/wp\/?p=206","url_meta":{"origin":64,"position":4},"title":"[Paper] Sensitivities and correlations of nuclear structure observables emerging from chiral interactions","date":"Jul 31, 2016","format":false,"excerpt":"Sensitivities and correlations of nuclear structure observables emerging from chiral interactions Angelo Calci and Robert Roth doi: 10.1103\/PhysRevC.94.014322 Abstract Starting from a set of different two- and three-nucleon interactions from chiral effective field theory, we use the importance-truncated no-core shell model for ab initio calculations of excitation energies as well\u2026","rel":"","context":"In &quot;theory&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":47,"url":"https:\/\/magneticmoments.info\/wp\/?p=47","url_meta":{"origin":64,"position":5},"title":"[paper] Nuclear charge radii and electromagnetic moments of radioactive scandium isotopes and isomers","date":"Jan 5, 2011","format":false,"excerpt":"Nuclear charge radii and electromagnetic moments of radioactive scandium isotopes and isomers M. Avgoulea et al. doi: 10.1088\/0954-3899\/38\/2\/025104 Collinear laser spectroscopy experiments with the Sc+ transition 3d4s 3D2 \u2192 3d4p 3F3 at \u03bb = 363.1 nm were performed on the 42\u201346Sc isotopic chain using an ion guide isotope separator with\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/posts\/64"}],"collection":[{"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=64"}],"version-history":[{"count":0,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/posts\/64\/revisions"}],"wp:attachment":[{"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}