Echography of the Early Universe by Observing Primoridal Molecules

Details Echography of the Early Universe by Observing Primoridal Molecules Echography of the Early Universe by Observing Primoridal Molecules

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999alma.confe..36m&link_type=abstract

Science with the Atacama Large Millimeter Array (ALMA), Associated Universities, Inc., held October 6-8, 1999 at Carnegie Instit

Physics

Molecular Formation, Cbr Photons, Lih, Galaxies

Scientific paper

In the range of redshifts 1000 > z > 10 the matter in the Universe is expected to be neutral and cold: high density regions characterize the loci of galaxy formation . These conditions are ideal for molecular formation. The interaction between CBR photons and molecules (resonant scattering) may be the most important signature in the millimetric and submillimetric region of the spectrum. We discuss the role of LiH as a tracer of high density regions in primordial structures and the possibility of detecting it toward primordial galaxies by high spatial resolution observations of the redshifted LiH lines.

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