New Perspectives 2023

Session

DM, Cosmology, and CCDs

Jun 27, 2023, 10:15 AM

One West (Fermilab)

Contribution list Timetable

2. Precision ionization calibrations of silicon skipper CCDs for dark matter detection

Rachana Suthikshn Yajur (University of Chicago)

6/27/23, 10:15 AM

Direct dark matter detection experiments can reach the thresholds as low as $\mathcal{O}$(10eV). In that regime, we report precision ionization measurements induced by Compton scattering of gamma rays and nuclear recoils from neutrons. A skipper charge-coupled device (CCD) with single electron resolution developed for DAMIC-M experiment was used to collect data. Compton scattering on silicon...

55. Regional Selection with Skipper CCDs for Astronomical Applications

Rachel Hur

6/27/23, 10:30 AM

The Skipper CCD, through the use of a floating gate output stage, allows for multiple, non-destructive charge measurements per pixel and thus, a tunable readout noise level which has been shown to reach down to .04 e- rms. In the next coming months, a Skipper CCD composed focal plane is planned to replace the current conventional CCD detector at the SOAR Integral Field Spectrograph (SIFS) with...

32. SuperCDMS in 10 minutes

Shubham Pandey (University of Minnesota, Twin Cities)

6/27/23, 10:45 AM

The existence of dark matter is strongly indicated by various astronomical observations. However, its exact nature and properties are yet to be discovered. The SuperCDMS experiment, currently being built 2 km underground at SNOLAB in Canada, is a collaborative scientific effort to search for dark matter via direct detection. It will employ an array of silicon and germanium crystals...

31. Constraining Cosmological Parameters from Galaxy Cluster Observables: an SBI Approach

Moonzarin Reza

6/27/23, 11:00 AM

Modeling the universe and determining its ultimate fate requires accurate and precise estimation of cosmological parameters such as baryonic density, Hubble’s constant, spectral index, etc. Terabytes of galaxy data would soon be made available by current projects on powerful telescopes like the JWST or future ones like LSST. Analyzing these data requires efficient computational tools, which...

54. The next generation of Cosmic Microwave Background experiments

Matthew Young

6/27/23, 11:15 AM

The cosmic microwave background (CMB) – relic radiation from soon after the Big Bang – contains a wealth of information on the structure, evolution, and underlying physics of our Universe. Data taken from surveying the CMB has helped to inform and constrain many different models across numerous frontiers in physics, from theories of cosmic inflation, to uncovering the nature of dark matter....