Impact of H_{0} prior on the evidence for dark radiation

• Published in: Physical Review D
• Main Authors: CALABRESE, ERMINIA, MELCHIORRI, Alessandro, Maria Archidiacono, Ratra Bharat
• Other Authors: Calabrese, Erminia, Maria, Archidiacono, Melchiorri, Alessandro, Ratra, Bharat
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2012
• Subjects: Hubble; South Pole; South pole
• Online Access: http://hdl.handle.net/11573/488209; https://doi.org/10.1103/physrevd.86.043520

Recent analyses that include cosmic microwave background (CMB) anisotropy measurements from the Atacama Cosmology Telescope and the South Pole Telescope have hinted at the presence of a dark radiation component at more than two standard deviations. However, this result depends sensitively on the ass...