Thermal production of axions in the Earth

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dc.contributorVirginia Techen
dc.contributor.authorDavoudiasl, H.en
dc.contributor.authorHuber, Patricken
dc.contributor.departmentInstitute for Particle, Nuclear and Astronomical Sciences (IPNAS)en
dc.contributor.departmentPhysicsen
dc.date.accessed2013-12-16en
dc.date.accessioned2013-12-18T19:46:39Zen
dc.date.available2013-12-18T19:46:39Zen
dc.date.issued2009-05en
dc.description.abstractWe estimate the production rate of axion-type particles in the core of the Earth, at a temperature T approximate to 5000 K. We constrain thermal geo-axion emission by demanding a core-cooling rate less than O(100) K/Gyr, as suggested by geophysics. This yields a "nonstellar" (unaffected by extreme stellar temperatures or densities) bound on the axion-electron (ae) fine structure constant, alpha(ae)less than or similar to 10(-18), stronger than the existing accelerator (vacuum) bound by 4 orders of magnitude. We consider the prospects for measuring the geo-axion flux through conversion into photons in a geoscope; such measurements can further constrain alpha(ae).en
dc.description.sponsorshipU. S. Department of Energy DE-AC02-98CH10886en
dc.identifier.citationDavoudiasl, Hooman ; Huber, Patrick, MAY 2009. “Thermal production of axions in the Earth,” PHYSICAL REVIEW D 79(9): 095024. DOI: 10.1103/PhysRevD.79.095024en
dc.identifier.doihttps://doi.org/10.1103/PhysRevD.79.095024en
dc.identifier.issn1550-7998en
dc.identifier.urihttp://hdl.handle.net/10919/24742en
dc.identifier.urlhttp://link.aps.org/doi/10.1103/PhysRevD.79.095024en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.rightsIn Copyrighten
dc.rights.holderAmerican Physical Societyen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectinvisible axionen
dc.subjectcp conservationen
dc.subjectconstraintsen
dc.subjectmantleen
dc.subjectcoreen
dc.subjectAstronomy & Astrophysicsen
dc.subjectPhysicsen
dc.titleThermal production of axions in the Earthen
dc.title.serialPhysical Review Den
dc.typeArticle - Refereeden

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