Measuring the small angular scale cosmic microwave background temperature anisotropy with the QUaD telescope

Details Measuring the small angular scale cosmic microwave background temperature anisotropy with the QUaD telescope Measuring the small angular scale cosmic microwave background temperature anisotropy with the QUaD telescope

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009phdt.........4f&link_type=abstract

Proquest Dissertations And Theses 2009. Section 0330, Part 0606 232 pages; [Ph.D. dissertation].United States -- Illinois: The

Physics

Cosmic Microwave Background, Cosmology, Quad, Sunyaev- Zel'Dovich Effects

Scientific paper

I present measurements of the cosmic microwave background (CMB) radiation temperature anisotropy using the QUaD telescope, a several arcminute resolution bolometric polarimeter operating at 100 and 150 GHz, located at the South Pole. The results presented here are targeted to the multipole range 2000 < ℓ < 3000 using data from QUaD's second and third observing seasons. After masking the brightest point sources in the maps the results are consistent with the primary LCDM expectation alone. I further estimate the contribution of residual (un-masked) radio point sources using a model calibrated to our own bright source observations, and a full simulation of the source finding and masking procedure. Including this contribution slightly improves the h 2 . I then fit a standard SZ template to the bandpowers and see no strong evidence of an SZ contribution, which is as expected for s 8 [approximate] 0:8; the best- fit value for the template amplitude is A SZ = [Special characters omitted.] .

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