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X-WR-CALDESC:Events for LBNL Physics Division Research Progress Meetings
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TZOFFSETFROM:+0000
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DTSTART:20160101T000000
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DTSTART;TZID=UTC:20160303T160000
DTEND;TZID=UTC:20160303T170000
DTSTAMP:20260528T185929
CREATED:20150916T161312Z
LAST-MODIFIED:20150916T161312Z
UID:126-1457020800-1457024400@rpm.physics.lbl.gov
SUMMARY:Julien Guy (LPNHE) " The Prospects and Challenges of the Dark Energy Spectroscopic Instrument
DESCRIPTION:Abstract :\nI will present the prospects of DESI for the measurement of Dark\nEnergy in light of a decade of efforts to unveil its nature\, from the\ndiscovery of cosmic acceleration with type Ia supernovae\, to the most\nrecent results with supernovae and baryon acoustic oscillations (BAO).\nDESI will map cosmic expansion up to redshifts of 3\, anchoring\ndistances at low redshift to the era of past deceleration with an\norder of magnitude gain in precision compared to current surveys.\nDESI data will offer a stringent test of the standard model of\ncosmology\, with important possibilities for discovery.\nThe project\, however\, is not free from experimental challenges. I will\nreview the analysis efforts needed to extract the whole potential of\nthe BAO probe\, from the optimization and calibration of the efficiency\nof the redshift survey\, to the characterization of the instrumental\nnoise in the Lyman-alpha forests.
URL:https://rpm.physics.lbl.gov/event/reserved-10/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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