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DTSTART;TZID=America/Los_Angeles:20170601T080000
DTEND;TZID=America/Los_Angeles:20170601T170000
DTSTAMP:20260422T062658
CREATED:20170530T074927Z
LAST-MODIFIED:20170530T074927Z
UID:547-1496304000-1496336400@rpm.physics.lbl.gov
SUMMARY:Florian Beutler (Portsmouth) "On the reliability of Baryon Acoustic Oscillation (BAO) measurements"
DESCRIPTION:Abstract:\n\nIn this talk I will discuss the reliability of the Baryon Acoustic Oscillation (BAO) signal in the distribution of galaxies. The solid theoretical understanding of this observable means that it represents one of only a few cosmological observables that are not yet dominated by systematic errors. This is one reason why BAO are one of the main science drivers for future galaxy surveys like DESI and Euclid.\n\nI will discuss my recent work on the relative velocity effect as one potential systematic for BAO. The relative velocity effect originates from the same physical effects which imprinted the BAO signal and therefore acts on the same scale. I will introduce this effect in detail\, discuss how we can include it in our modeling and present current constraints from the Baryon Oscillation Spectroscopic Survey (BOSS).
URL:https://rpm.physics.lbl.gov/event/florian-beutler-portsmouth-tba/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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