A Subaru galaxy redshift survey: WFMOS survey

Details A Subaru galaxy redshift survey: WFMOS survey A Subaru galaxy redshift survey: WFMOS survey

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphcs.120b2003t&link_type=abstract

Journal of Physics: Conference Series, Volume 120, Issue 2, pp. 022003 (2008).

Physics

Scientific paper

A planned galaxy redshift survey with the Subaru 8.2m telescope, the WFMOS survey, offers a unique opportunity for probing detailed properties of large-scale structure formation in the expanding universe by measuring clustering strength of galaxy distribution as a function of distance scale and redshift. In particular, the precise measurement of the galaxy power spectrum, combined with the cosmic microwave background experiments, allows us to obtain stringent constraints on or even determine absolute mass scales of the Big-Bang relic neutrinos as the neutrinos imprint characteristic scale- and redshift-dependent modifications onto the galaxy power spectrum shape. Here we describe the basic concept of how the galaxy clustering measurement can be used to explore the neutrino masses, with particular emphasis on advantages of the WFMOS survey over the existing low-redshift surveys such as SDSS.

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