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Baryon acoustic oscillations in the Lyαforest of BOSS quasars

This paper presents the first BAO measurement from the Ly-alpha forest. For this BOSS team analysis, Pieri led the identification and exploration of potential systematics caused by spectral artifacts. He wrote the code to measure how these bias the BAO measurement. He wrote the text describing these measurements and tests, which forms half of section 3.1. Pieri is one of the core team of 9 scientists at the top of the author list: he was an active member of the working group that constructed and tested the dataset, developed the analysis methodology, and oversaw the drafting of the paper.