Search for a Permanent Electric Dipole Moment of the Mercury Atom
There has been exciting progress in recent years in the search for a permanent electric dipole moment (EDM) of an atom, a molecule, or the neutron. An EDM along the axis of spin can exist only if time reversal symmetry (T) is violated. Although such a dipole has not yet been detected, mainstream the...
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| description | There has been exciting progress in recent years in the search for a permanent electric dipole moment (EDM) of an atom, a molecule, or the neutron. An EDM along the axis of spin can exist only if time reversal symmetry (T) is violated. Although such a dipole has not yet been detected, mainstream theories of possible new physics, such as Supersymmetry, predict the existence of EDMs within reach of modern experiments. Here I discuss the results of our new experimental search for a permanent electric dipole moment of (199)Hg utilizing a stack of four vapor cells. We find d((199)Hg) = (0.49c1.29(stst)c0.76(syst))x 10(-29) e cm, and interpret this as a new upper bound, d((199)Hg) < 3.1 x 1(T(-29)e cm (95% C.L.). This result improves our previous (199)Hg limit by a factor of 7, and can be used to set new constraints on CP violation in physics beyond the Standard Model. |
| doi_str_mv | 10.1063/1.3293887 |
| format | Conference Proceeding |
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An EDM along the axis of spin can exist only if time reversal symmetry (T) is violated. Although such a dipole has not yet been detected, mainstream theories of possible new physics, such as Supersymmetry, predict the existence of EDMs within reach of modern experiments. Here I discuss the results of our new experimental search for a permanent electric dipole moment of (199)Hg utilizing a stack of four vapor cells. We find d((199)Hg) = (0.49c1.29(stst)c0.76(syst))x 10(-29) e cm, and interpret this as a new upper bound, d((199)Hg) < 3.1 x 1(T(-29)e cm (95% C.L.). This result improves our previous (199)Hg limit by a factor of 7, and can be used to set new constraints on CP violation in physics beyond the Standard Model.</description><identifier>ISSN: 0094-243X</identifier><identifier>ISBN: 9780735407237</identifier><identifier>ISBN: 0735407231</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.3293887</identifier><language>eng</language><publisher>United States</publisher><subject>ATOMS ; CP INVARIANCE ; DIPOLES ; ELECTRIC DIPOLE MOMENTS ; MERCURY 199 ; MOLECULES ; NEUTRONS ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; SPIN ; STANDARD MODEL ; SUPERSYMMETRY ; VAPORS</subject><ispartof>AIP conference proceedings, 2009, Vol.1182 (1), p.629-634</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,778,782,883,27907,27908</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/21325709$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>tson, E N</creatorcontrib><title>Search for a Permanent Electric Dipole Moment of the Mercury Atom</title><title>AIP conference proceedings</title><description>There has been exciting progress in recent years in the search for a permanent electric dipole moment (EDM) of an atom, a molecule, or the neutron. An EDM along the axis of spin can exist only if time reversal symmetry (T) is violated. Although such a dipole has not yet been detected, mainstream theories of possible new physics, such as Supersymmetry, predict the existence of EDMs within reach of modern experiments. Here I discuss the results of our new experimental search for a permanent electric dipole moment of (199)Hg utilizing a stack of four vapor cells. We find d((199)Hg) = (0.49c1.29(stst)c0.76(syst))x 10(-29) e cm, and interpret this as a new upper bound, d((199)Hg) < 3.1 x 1(T(-29)e cm (95% C.L.). This result improves our previous (199)Hg limit by a factor of 7, and can be used to set new constraints on CP violation in physics beyond the Standard Model.</description><subject>ATOMS</subject><subject>CP INVARIANCE</subject><subject>DIPOLES</subject><subject>ELECTRIC DIPOLE MOMENTS</subject><subject>MERCURY 199</subject><subject>MOLECULES</subject><subject>NEUTRONS</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>SPIN</subject><subject>STANDARD MODEL</subject><subject>SUPERSYMMETRY</subject><subject>VAPORS</subject><issn>0094-243X</issn><issn>1551-7616</issn><isbn>9780735407237</isbn><isbn>0735407231</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNotj0tLAzEUhYMPsNYu_AcBF66m5jW5ybLU-oCKggruhvT2Dh2ZmdRJuvDfO6Krwzl8HM5h7FKKuRRW38i5Vl47B0dsIstSFmClPWYzD06ALo0ApeGETYTwplBGf5yx85Q-hVAewE3Y4pXCgDtex4EH_kJDF3rqM1-1hHlokN82-9gSf4rdbxxrnnejowEPwzdf5NhdsNM6tIlm_zpl73ert-VDsX6-f1wu1kVUsswFbiW4Ogi0SsK2BKfqYMTG-aAFuA1YNKRoo7TwaH1Ar2vjpST0BKiF1FN29dcbU26qhE0m3GHs-3FopaRWJQg_Utd_1H6IXwdKueqahNS24614SBUYbSx46_QPpcpZjA</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>tson, E N</creator><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20090101</creationdate><title>Search for a Permanent Electric Dipole Moment of the Mercury Atom</title><author>tson, E N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o215t-cd178fa0c6217d5782fa40b89a3078b76c4e2eb2309c69ac93f4911ec9e7c3013</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ATOMS</topic><topic>CP INVARIANCE</topic><topic>DIPOLES</topic><topic>ELECTRIC DIPOLE MOMENTS</topic><topic>MERCURY 199</topic><topic>MOLECULES</topic><topic>NEUTRONS</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>SPIN</topic><topic>STANDARD MODEL</topic><topic>SUPERSYMMETRY</topic><topic>VAPORS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>tson, E N</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>tson, E N</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Search for a Permanent Electric Dipole Moment of the Mercury Atom</atitle><btitle>AIP conference proceedings</btitle><date>2009-01-01</date><risdate>2009</risdate><volume>1182</volume><issue>1</issue><spage>629</spage><epage>634</epage><pages>629-634</pages><issn>0094-243X</issn><eissn>1551-7616</eissn><isbn>9780735407237</isbn><isbn>0735407231</isbn><abstract>There has been exciting progress in recent years in the search for a permanent electric dipole moment (EDM) of an atom, a molecule, or the neutron. An EDM along the axis of spin can exist only if time reversal symmetry (T) is violated. Although such a dipole has not yet been detected, mainstream theories of possible new physics, such as Supersymmetry, predict the existence of EDMs within reach of modern experiments. Here I discuss the results of our new experimental search for a permanent electric dipole moment of (199)Hg utilizing a stack of four vapor cells. We find d((199)Hg) = (0.49c1.29(stst)c0.76(syst))x 10(-29) e cm, and interpret this as a new upper bound, d((199)Hg) < 3.1 x 1(T(-29)e cm (95% C.L.). This result improves our previous (199)Hg limit by a factor of 7, and can be used to set new constraints on CP violation in physics beyond the Standard Model.</abstract><cop>United States</cop><doi>10.1063/1.3293887</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2009, Vol.1182 (1), p.629-634 |
| issn | 0094-243X 1551-7616 |
| language | eng |
| recordid | cdi_osti_scitechconnect_21325709 |
| source | AIP Journals Complete |
| subjects | ATOMS CP INVARIANCE DIPOLES ELECTRIC DIPOLE MOMENTS MERCURY 199 MOLECULES NEUTRONS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS SPIN STANDARD MODEL SUPERSYMMETRY VAPORS |
| title | Search for a Permanent Electric Dipole Moment of the Mercury Atom |
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