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SUMMARY:Mini-symposium: Camilla Juul Hansen & Norbert Przybilla
DTSTART:20260429T111500Z
DTEND:20260429T130000Z
DTSTAMP:20260424T204100Z
UID:indico-event-2059@indico.uu.se
DESCRIPTION:Room: Å10132 Häggsalen Time: 13:15-15:00 [coffee break ~140
 0]Title: Challenges in observational studies of heavy elements Speaker: C
 amilla Juul Hansen Affiliation: Goethe University Frankfurt Heavy elemen
 ts make up the largest part of the periodic table and they still pose a la
 rge number of open questions associated with their formation. Most of the 
 heavy elements form via neutron captures that happen on a slow (s-process)
 \, intermediate (i-process) or a rapid (r-process) scale (when comparing t
 o the following beta decays). In this talk I will present a homogeneous fo
 llow-up observational study targeting light as well as heavy elements in a
 bout 50 metal-poor stars. Our study provides new insights into the format
 ion of the third r-process peak (Ir\, Os\, Pt) as well as challenges we f
 ace when deriving abundances of even heavier elements (Th)\, such as sho
 rtcomings in our models as well as atomic physics. A few peculiar stars s
 tand out in the study by either having a very high or very low level of h
 eavy elements in their atmospheres. I will discuss the possible origin (s
 patial as well as nuclear formation) of these peculiar stars. Title: TBA
  Speaker: Norbert Przybilla Affiliation: University of Innsbruck TBA \
 n\nhttps://indico.uu.se/event/2059/
LOCATION:Å10132 Häggsalen
URL:https://indico.uu.se/event/2059/
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