First Constraint on Cosmological Variation of the Proton-to-Electron Mass Ratio from Two Independent Telescopes

F. van Weerdenburg, M.T. Murphy, A.L. Malec, L. Kaper, W.M.G. Ubachs

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

A high signal-to-noise spectrum covering the largest number of hydrogen lines (90 H
Original languageEnglish
Pages (from-to)180802
JournalPhysical Review Letters
Volume106
Issue number18
DOIs
Publication statusPublished - 2011

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