wmap - slac indico (indico) · sdss-iii / boss. first light: 2019. our 4-5 pm. dark matter halo...
TRANSCRIPT
WMAP WMAP
from Perlmutter, Phys. Today (units of critical density)
Tytler & Burles
3 Kelvin cosmic microwave background
supernovae
Matter density
Ener
gy d
ensit
y
Baryon acoustic oscillations
SDSS-III / BOSS
First light: 2019.
Lab tour 4-5 pm
dark matter halo
WIMP1016 WIMPs/year
detector
10-16 light years
Cross section: WIMP scatters once in a light year of lead
Rate ~ few events / year1 light year
Dark matter searches
300 times more sensitive than LUX
In construction. Data: 2020
Unique development platform with significant student involvement
Lab tour 4-5 pm
SQUID Modulation CurveTower Assembly Stand
SQUID
HEMT
Detector
MC
CP
ST
4K
CDMS Tower Test Stand in Cleanroom
3He Fridge
vacuumpump
scopespectrum analyzer
computer controlled system
temperaturepressure readout
CDMS Towerin 3He Fridge
SQUID
HEMT
detector
Constructed and operated at SLAC Monitors the sky >20 MeV since 2008