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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:4
UID:UW-Physics-Event-9408
DTSTART:20251002T193000Z
DTEND:20251002T203000Z
DTSTAMP:20260413T084146Z
LAST-MODIFIED:20251001T164123Z
LOCATION:Chamberlin Hall\, Room 5280
SUMMARY:Cosmic ray processes across the Universe: multi-messenger insi
 ghts form Galaxies to the Cosmic Web\, NPAC (Nuclear/Particle/Astro/Co
 smo) Forum\, Ellis Owen\, RIKEN\, Japan
DESCRIPTION:Cosmic rays interact with astrophysical systems across a v
 ast range of scales\, from turbulent galactic environments to the larg
 e-scale structure of the Universe. Closely linked to violent\, high-en
 ergy processes\, they act as a dynamic feedback agent\, regulating the
  physical conditions and long-term evolution of galactic and circum-ga
 lactic ecosystems. Depending on their energy\, cosmic rays can also es
 cape from their host galaxies\, propagate through the cosmic web\, and
  produce multi-wavelength and multi-messenger signatures that encode i
 nformation about their interactions\, environments\, and transport phy
 sics. In this talk\, I will highlight key observational tracers\, incl
 uding those from multi-messenger probes\, that can be used to map the 
 physical effects of cosmic rays across astrophysical environments and 
 extend studies of galaxies beyond traditional astronomical techniques.
  I will also examine the role of cosmic rays in shaping baryonic flows
  around galaxies\, and discuss their fate as they traverse the magneti
 zed large-scale structures of the Universe\, including the highest-ene
 rgy particles that may never reach us on Earth.
URL:https://www.physics.wisc.edu/events/?id=9408
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