Jiaxi Yu

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Official source

https://people.epfl.ch/jiaxi.yu

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Related publications (26)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

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Laboratory of Astrophysics

EPFL
SB
IPHYS
LASTRO

Related publications (26)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Optimal reconstruction of baryon acoustic oscillations for DESI 2024

Jiaxi Yu

Baryon acoustic oscillations (BAO) provide a robust standard ruler to measure the expansion history of the Universe through galaxy clustering. Density-field reconstruction is now a widely adopted procedure for increasing the precision and accuracy of the B ...

2025

DESI 2024 III: baryon acoustic oscillations from galaxies and quasars

Jiaxi Yu, Daniel Felipe Forero Sanchez

We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO) measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1 < z < 2.1. Divided by tracer type, we utilize 300,017 galaxies from the magnitude-limited ...

2025

DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman alpha forest

Jiaxi Yu, Daniel Felipe Forero Sanchez

We present the measurement of Baryon Acoustic Oscillations (BAO) from the Lyman- a (Lya) forest of high-redshift quasars with the first-year dataset of the Dark Energy Spectroscopic Instrument (DESI). Our analysis uses over 420 000 Lya forest spectra and t ...

IOP Publishing Ltd2025