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SUMMARY:Modeling and measuring the cosmic density PDF - Oliver Friedrich (
 Munich)
DTSTART:20180611T120000Z
DTEND:20180611T130000Z
UID:TALK104998@talks.cam.ac.uk
CONTACT:Tobias Baldauf
DESCRIPTION:It has long been proposed that higher order moments of the den
 sity field or even the complete one-point PDF of density encodes a rich am
 ount of cosmological information. However\, measuring these quantities has
  been very difficult\, e.g. because of galaxy stochasticity. With density 
 split statistics (DSS) one can simultaneously study the PDF of matter dens
 ity and the PDF of galaxy density. Our modeling based on perturbation theo
 ry of the density field thus enables us to learn about the background cosm
 ology\, the skewness of the density field and the bias and stochasticity o
 f halos at the same time. I will present our model as well as results of o
 ur DES year 1 analysis.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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