{"id":105,"date":"2012-04-10T22:12:00","date_gmt":"2012-04-10T19:12:00","guid":{"rendered":"http:\/\/magneticmoments.info\/wp\/?p=105"},"modified":"2012-04-26T22:12:26","modified_gmt":"2012-04-26T19:12:26","slug":"paper-direct-measurement-of-the-proton-magnetic-moment","status":"publish","type":"post","link":"https:\/\/magneticmoments.info\/wp\/?p=105","title":{"rendered":"[paper] Direct Measurement of the Proton Magnetic Moment"},"content":{"rendered":"<p><em>Direct Measurement of the Proton Magnetic Moment<\/em><\/p>\n<p>J. DiSciacca and G. Gabrielse<\/p>\n<p>doi: <a href=\"http:\/\/dx.doi.org\/10.1103\/PhysRevLett.108.153001\">10.1103\/PhysRevLett.108.153001<\/a><\/p>\n<p>The proton magnetic moment in nuclear magnetons is measured to be \u03bc<sub>p<\/sub>\/\u03bc<sub>N<\/sub>\u2261g\/2=2.792\u2009846\u00b10.000\u2009007, a 2.5 parts per million uncertainty. The direct determination, using a single proton in a Penning trap, demonstrates the first method that should work as well with an antiproton (p\u0305 ) as with a proton (p). This opens the way to measuring the p\u0305 magnetic moment (whose uncertainty has essentially not been reduced for 20 years) at least 103 times more precisely.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Direct Measurement of the Proton Magnetic Moment J. DiSciacca and G. Gabrielse doi: 10.1103\/PhysRevLett.108.153001 The proton magnetic moment in nuclear magnetons is measured to be \u03bcp\/\u03bcN\u2261g\/2=2.792\u2009846\u00b10.000\u2009007, a 2.5 parts per million uncertainty. The direct determination, using a single proton in&#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":[1],"tags":[149,8,5,114,104,148],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6YIb0-1H","jetpack-related-posts":[{"id":134,"url":"https:\/\/magneticmoments.info\/wp\/?p=134","url_meta":{"origin":105,"position":0},"title":"[paper] Demonstration of the double Penning Trap technique with a single proton","date":"Jun 4, 2013","format":false,"excerpt":"Demonstration of the double Penning Trap technique with a single proton A. Mooser et al. doi: 10.1016\/j.physletb.2013.05.012 Spin flips of a single proton were driven in a Penning trap with a homogeneous magnetic field. For the spin-state analysis the proton was transported into a second Penning trap with a superimposed\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":216,"url":"https:\/\/magneticmoments.info\/wp\/?p=216","url_meta":{"origin":105,"position":1},"title":"[paper] Sixfold improved single particle measurement of the magnetic moment of the antiproton","date":"Jan 19, 2017","format":false,"excerpt":"Sixfold improved single particle measurement of the magnetic moment of the antiproton H. Nagahama et al. doi: 10.1038\/ncomms14084 Our current understanding of the Universe comes, among others, from particle physics and cosmology. In particle physics an almost perfect symmetry between matter and antimatter exists. On cosmological scales, however, a striking\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":36,"url":"https:\/\/magneticmoments.info\/wp\/?p=36","url_meta":{"origin":105,"position":2},"title":"[paper] g factor of the 44Cl ground state: Probing the reduced Z=16 and N=28 gaps","date":"Mar 19, 2010","format":false,"excerpt":"g factor of the 44Cl ground state: Probing the reduced Z=16 and N=28 gaps M. De Rydt et al. doi: 10.1103\/PhysRevC.81.034308 The g factor of the 44Cl ground state is measured at the LISE fragment separator at the Grand Accl\u00e9rateur National d\u2019Ions Lourds (GANIL) using the \u03b2 nuclear magnetic resonance\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":153,"url":"https:\/\/magneticmoments.info\/wp\/?p=153","url_meta":{"origin":105,"position":3},"title":"[paper] Orientation features of 24Mg(2+) aligned nuclei in (p,p) and (d,d) reactions at Ex \u2248 7.5 MeV per nucleon","date":"Oct 2, 2015","format":false,"excerpt":"Orientation features of 24Mg(2+) aligned nuclei in (p,p) and (d,d) reactions at Ex \u2248 7.5 MeV per nucleon L.I. Galanina et al. doi: 10.1134\/S1063778815060095 Experimental angular dependences of cross sections for elastic and inelastic scattering and the result obtained by reconstructing the populations of magnetic sublevels, multipole-moment orientation tensors, and\u2026","rel":"","context":"In &quot;experiment&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":303,"url":"https:\/\/magneticmoments.info\/wp\/?p=303","url_meta":{"origin":105,"position":4},"title":"Probing Sizes and Shapes of Nobelium Isotopes by Laser Spectroscopy","date":"Jun 10, 2018","format":false,"excerpt":"Until recently, ground-state nuclear moments of the heaviest nuclei could only be inferred from nuclear spectroscopy, where model assumptions are required. Laser spectroscopy in combination with modern atomic structure calculations is now able to probe these moments directly, in a comprehensive and nuclear-model-independent way. Here we report on unique access\u2026","rel":"","context":"In &quot;g factor&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":76,"url":"https:\/\/magneticmoments.info\/wp\/?p=76","url_meta":{"origin":105,"position":5},"title":"[paper] Magnetic moments of the first excited 2+ states in the semi-magic 112,114,116,122,124Sn isotopes","date":"Jul 19, 2011","format":false,"excerpt":"Magnetic moments of the first excited 2+ states in the semi-magic 112,114,116,122,124Sn isotopes J. Walker et al. doi: 10.1103\/PhysRevC.84.014319 The g factors of the first excited 2+ states in the 112,114,116,122,124Sn isotopes have been measured with high accuracy using the transient field technique in combination with Coulomb excitation in inverse\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\/105"}],"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=105"}],"version-history":[{"count":1,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/posts\/105\/revisions"}],"predecessor-version":[{"id":106,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=\/wp\/v2\/posts\/105\/revisions\/106"}],"wp:attachment":[{"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/magneticmoments.info\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}