NDLI: 1dark energy and dark matter with snap.

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1dark energy and dark matter with snap.

Content Provider	CiteSeerX
Author	Lindera, Eric V.
Abstract	The discovery that the expansion of the Universe is accelerating opens up new frontiers for our understanding of cosmology and particle physics. The nature of the dark energy responsible is intimately tied to the high energy theory and gravitation. Measuring the properties of the accelerating universe and studying both the dark energy and the dark matter of the Universe using supernovae and weak gravitational lensing is the primary aim of the Supernova/Acceleration Probe (SNAP). SNAP can discover and follow thousands of Type Ia supernovae at redshifts z 0 3 1 7. The resulting magnitude-redshift relation can determine the cosmological and dark energy parameters with high precision: the dark energy equation of state w to 0 05 and its time variation w dw dz to 0 15. Wide area weak gravitational lensing studies will map the distribution of dark matter in the universe. 1. COSMOLOGY WITH SNAP Mapping the expansion history of the Universe through the distance-redshift relation has proved quite successful. Using Type Ia supernovae as standardized candles (accurate to 7 % in distance) led to the dis-covery of the acceleration of the global expansion – one of the highlights of the 1998 UCLA Dark Matter
File Format	PDF
Access Restriction	Open
Subject Keyword	Dark Matter Type Ia Supernova Dark Energy Magnitude-redshift Relation New Frontier Supernova Acceleration Probe Weak Gravitational Lensing Standardized Candle Primary Aim Dark Energy Parameter Global Expansion Dark Energy Equation Ucla Dark Matter High Energy Theory Cosmology Snap Expansion History Time Variation Dw Dz Distance-redshift Relation High Precision Particle Physic
Content Type	Text

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