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SUMMARY:Helen Meyer (HISKP)\, "Anthropic Considerations in Big Bang Nucleo
 synthesis"
DTSTART:20251202T141500Z
DTEND:20251202T160000Z
DTSTAMP:20260509T204000Z
UID:indico-event-1207@indico.hiskp.uni-bonn.de
DESCRIPTION:How fine-tuned is our universe? To what extend can fundamental
  constants of physics like coupling constants and quark masses be varied\,
  so that the history of our universe is not significantly altered? In the 
 past three years my collaborators and I explored these questions in the fr
 amework of Big Bang Nucleosynthesis (BBN). Using BBN as a laboratory to ex
 periment with varying values of the electromagnetic coupling constant\, th
 e Higgs vacuum expectation value (focussing especially on effects on the n
 ucleon mass) and the strange quark mass\, we have derived constraints on v
 ariations of these parameters through comparing our simulations to known r
 esults for the primordial abundances of the lightest elements.\n\nhttps://
 indico.hiskp.uni-bonn.de/event/1207/
LOCATION:Nußallee 14-16/0.023 (HISKP) - Lecture Hall (HISKP)
URL:https://indico.hiskp.uni-bonn.de/event/1207/
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