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within Classical and Quantum Gravitation, Relativity Theory Remove this filter Jason X. Prochaska Remove this filter Chapter Remove this filter

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    Chapter and Conference Paper

    The First Detection of Cobalt in a Damped Lyman Alpha System

    We present the first ever detection of Cobalt in a Damped Lyman Alpha system (DLA) at z ~ 2. In addition to providing important clues to the star formation history of these high redshift galaxies, we discuss how ...

    Sara L. Ellison, Sean G. Ryan… in New Quests in Stellar Astrophysics: The Li… (2002)

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    Constraining Variationsin the Fine-Structure Constant, Quark Massesand the Strong Interaction

    We present evidence for variations in the fine-structure constant from Keck/HIRES spectra of 143 quasar absorption systems over the redshift range 0.2 < zabs < 4.2. This includes 15 new systems, mostly at high-z ...

    Michael T. Murphy, Victor V. Flambaum… in Astrophysics, Clocks and Fundamental Const… (2004)