PRIMORDIAL HELIUM ABUNDANCE BY RRL: NEW RESULT

New results of the Primordial Helium abundance (Yp) measurement by radio recombination lines (RRL) observations from galactic HII regions are presented. The RRL observations were carried out with two Parabolas: RT32(λ = 13.5 mm and 3.5 cm, Medicina, Italy) and RT22 (λ = 8 and 13.5 mm, Pushchino, Rus...

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Bibliographic Details
Main Authors: A. P. Tsivilev, R. L. Sorochenko, St. Cortiglioni, S. Poppi, St. Montebugnoli
Format: Article
Language:English
Published: Odessa I. I. Mechnykov National University 2017-03-01
Series:Odessa Astronomical Publications
Online Access:http://oap.onu.edu.ua/article/view/93269