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DTSTART:20070311T020000
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DTSTAMP:20260202T121634
DTSTART;TZID=America/Detroit:20260202T132000
DTEND;TZID=America/Detroit:20260202T135000
SUMMARY:Performance:[Cancelled] Tiffany Ng\, carillon
DESCRIPTION:This performance has been cancelled. We apologize for any inconvenience.\n\nThirty-minute recitals are performed on the Lurie Carillon every weekday that classes are in session. During these recitals\, visitors may take the elevator to level 2 to view the largest bells\, or to level 3 to see the carillonist performing. (Visitors subject to acrophobia are recommended to visit level 2 only.) An optional spiral stairway between levels 2 and 3 allows for up-close views of some of the largest bells.
UID:144362-21895232@events.umich.edu
URL:https://events.umich.edu/event/144362
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Faculty,Free,Music,North Campus
LOCATION:Lurie Ann & Robert H. Tower
CONTACT:
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BEGIN:VEVENT
DTSTAMP:20260108T071840
DTSTART;TZID=America/Detroit:20260202T150000
DTEND;TZID=America/Detroit:20260202T160000
SUMMARY:Workshop / Seminar:HEP-Astro Seminar | Small-scale Lyman alpha forest cosmology: Constraints from high-resolution quasar surveys
DESCRIPTION:We present a new cosmological analysis of the small-scale (k ≈ 1-8 h/Mpc) Lyman-α forest 1D flux power spectrum (P1D)\, using high-resolution quasar spectra from XQ100 and KODIAQ-SQUAD interpreted with the PRIYA simulation based emulator. The Lyα P1D is a unique probe of structure formation on Mpc scales\, sensitive to dark matter models and also tracing astrophysical processes such as He II reionization and feedback. PRIYA is the first simulation suite to jointly span cosmological parameters and inhomogeneous He II reionization\, enabling a full exploration of the covariance between cosmology and astrophysics at these scales. With this framework\, we infer cosmological constraints from the XQ100 and KODIAQ-SQUAD P1D\, finding agreement between XQ100 and eBOSS cosmology\, while KODIAQ-SQUAD shows a biasedly high matter clustering driven by high-column-density absorber selection. High-resolution P1D data  provides tighter constraints on the IGM thermal history and absorber abundance than medium-resolution surveys\, offering complementary information to DESI. This complementarity can help break degeneracies between IGM physics and cosmology in future DESI Lyα forest P1D analyses.
UID:143459-21893207@events.umich.edu
URL:https://events.umich.edu/event/143459
CLASS:PUBLIC
STATUS:CONFIRMED
CATEGORIES:Physics,Science
LOCATION:West Hall - 340
CONTACT:
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