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X-WR-CALDESC:Eventi per INFN-LNF
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TZID:Europe/Rome
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20170326T010000
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TZOFFSETFROM:+0200
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TZNAME:CET
DTSTART:20171029T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20170330T143000
DTEND;TZID=Europe/Rome:20170330T160000
DTSTAMP:20260508T025520
CREATED:20171026T124205Z
LAST-MODIFIED:20171026T124205Z
UID:7007-1490884200-1490889600@w3.lnf.infn.it
SUMMARY:The QCD axion\, precisely
DESCRIPTION:The QCD axion is probably the most robust solution to the strong CP problem and a natural dark matter candidate. While its properties\, such as the mass and the couplings\, are mostly determined by non-perturbative QCD effects I will present recent computations demonstrating that they can be reliably extracted with percent accuracy\, which is important for the theory interpretation of experimental results. I will also discuss some recent lattice QCD results highlighting a departure from the usual instanton estimates and potentially changing the prediction for the axion relic abundance substantially. In this seminar I will discuss what changes to analysis strategy and detector setup will be necessary to definitively discover or exclude the experimentally-elusive pure-higgsino thermal relic at the FCC\, thus closing the window on neutralino dark matter.
URL:/event/the-qcd-axion-precisely/
LOCATION:Auditorium B. Touschek\, Via Enrico Fermi\, 54\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari generali
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