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Baryon Acoustic Oscillations and Dark Energy Bruce Bassett (AIMS/SAAO/UCT) Bruce Bassett (SAAO/UCT) BAO KITPC - March 2009 ArXiv:0910.5224 How far have we come since my first cosmology school? Bruce Bassett (SAAO/UCT) BAO SCP 96 High-z / SCP 98 Ω =0.94±0.31 Ω =0.28±0.10 Μ M (flat) (flat) Evolution of the Hubble Diagram 1996-2009 ESSENCE+SNLS Constitution 09 07 Ω =0.281±0.026 (+BAO) Ω =0.267±0.023 M M (flat) Filled by the SDSS SN survey THE CMB COBE 96 l C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG 00 C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG C MAXIMA ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG C MAXIMA ) 1 CBI 03 + l ( L 2 10 100 1000 l Did not show COBE SPT QMASK ACT BICEP l BOOMERanG C TOCO MAXIMA ) ACBAR 1 CBI 03 VSA + SASKATOON l WMAP-5 ( ARCHEOPS L DASI PYTHON FIRS Tenerife OVRO SUZIE AMI 2 10 100 1000 ATCA l etc… Blake et al, 2011 All assumes w = -1 Riess et al, 1998

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BAO. KITPC - March 2009. Baryon Acoustic Oscillations Overview of this lecture. • Power spectra. • Origins . Where are the oscillations in BAO? ξ(r). P(k)

Baryon Acoustic Oscillations and Dark Energy PDF

101 Pages·2011·19.06 MB·English

by Bruce Bassett

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Baryon Acoustic Oscillations and Dark Energy Bruce Bassett (AIMS/SAAO/UCT) Bruce Bassett (SAAO/UCT) BAO KITPC - March 2009 ArXiv:0910.5224 How far have we come since my first cosmology school? Bruce Bassett (SAAO/UCT) BAO SCP 96 High-z / SCP 98 Ω =0.94±0.31 Ω =0.28±0.10 Μ M (flat) (flat) Evolution of the Hubble Diagram 1996-2009 ESSENCE+SNLS Constitution 09 07 Ω =0.281±0.026 (+BAO) Ω =0.267±0.023 M M (flat) Filled by the SDSS SN survey THE CMB COBE 96 l C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG 00 C ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG C MAXIMA ) 1 + l ( L 2 10 100 1000 l COBE QMASK l BOOMERanG C MAXIMA ) 1 CBI 03 + l ( L 2 10 100 1000 l Did not show COBE SPT QMASK ACT BICEP l BOOMERanG C TOCO MAXIMA ) ACBAR 1 CBI 03 VSA + SASKATOON l WMAP-5 ( ARCHEOPS L DASI PYTHON FIRS Tenerife OVRO SUZIE AMI 2 10 100 1000 ATCA l etc… Blake et al, 2011 All assumes w = -1 Riess et al, 1998

Description:

BAO. KITPC - March 2009. Baryon Acoustic Oscillations Overview of this lecture. • Power spectra. • Origins . Where are the oscillations in BAO? ξ(r). P(k)

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