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SUMMARY:Probing Ultralight Dark Matter with Quantum Clocks
DTSTART:20250402T123000Z
DTEND:20250402T143000Z
DTSTAMP:20260614T222200Z
UID:indico-event-1409@indico.dfa.unipd.it
CONTACT:edoardo.vitagliano@unipd.it
DESCRIPTION:Speakers: Eric Madge Pimentel (Universidad Autónoma de Madrid
 )\n\nUltralight dark matter can induce oscillations in fundamental constan
 ts of nature\, such as the fine-structure constant\, the strength of the s
 trong interaction\, and particle masses.  These oscillations can be probe
 d through highly precise measurements of transition frequencies in atomic\
 , molecular\, and nuclear systems.  This talk will focus on the potential
  for detecting ultralight dark matter that predominantly couples to nuclei
 \, a particularly challenging aspect to probe using atomic transitions alo
 ne.  While atomic systems have limitations in detecting such couplings\, 
 molecular rotational and vibrational transitions offer a promising avenue 
 for testing these theories.  I will present an analysis of the potential 
 constraints on dark matter nuclear interactions derived from frequency com
 parisons between a molecular iodine ion and a calcium ion clock\, demonstr
 ating that such experiments can explore previously untested regions of par
 ameter space.  Looking ahead\, the development of nuclear clocks\, partic
 ularly following the recent breakthrough in laser excitation of the nuclea
 r transition in Th-229\, promises even greater sensitivity.  While full-f
 ledged nuclear clocks are still in their early stages\, I will show that s
 pectroscopic data from these pioneering efforts already provide the opport
 unity to derive initial constraints on ultralight dark matter.\n\nhttps://
 indico.dfa.unipd.it/event/1409/
LOCATION:1/1-2 - Aula "C. Voci" (Dipartimento di Fisica e Astronomia - Edi
 ficio Marzolo)
URL:https://indico.dfa.unipd.it/event/1409/
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