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SUMMARY:Ravi K. Sheth (Department of Physics and Astronomy\,  University o
 f Pennsylvania School of Arts and Sciences\, Philadelphia\, USA\, and Rese
 arch Staff Associate at ICTP\, Trieste\, Italy)
DTSTART:20200731T133000Z
DTEND:20200731T160000Z
DTSTAMP:20260423T011049Z
UID:QASTM/26
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QASTM/26/">A
  robust standard rod for cosmology</a>\nby Ravi K. Sheth (Department of Ph
 ysics and Astronomy\,  University of Pennsylvania School of Arts and Scien
 ces\, Philadelphia\, USA\, and Research Staff Associate at ICTP\, Trieste\
 , Italy) as part of Quantum Aspects of Space-Time and Matter\n\n\nAbstract
 \nBaryon Acoustic Oscillations provide a standard rod for constraining cos
 mological distances and the expansion history of our universe over a subst
 antial fraction of its history.  I will review the physics which motivates
  this standard rod and summarize constraints from its use.  Finally\, I wi
 ll discuss ways of making the rod more robust so that it can more easily b
 e used to constrain non-standard cosmological models.  This is particularl
 y important given recent tension between local and distant estimates of th
 e Hubble constant.\n
LOCATION:https://researchseminars.org/talk/QASTM/26/
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