@article {632950,
	title = {The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: first measurement of baryon acoustic oscillations between redshift 0.8 and 2.2},
	journal = {Monthly Notices of the Royal Astronomical Society},
	volume = {473},
	year = {2018},
	month = {February 1, 2018},
	pages = {4773-4794},
	abstract = {We present measurements of the Baryon Acoustic Oscillation (BAO) scalein redshift-space using the clustering of quasars. We consider a sampleof 147 000 quasars from the extended Baryon Oscillation SpectroscopicSurvey (eBOSS) distributed over 2044 square degrees with redshifts 0.8< z < 2.2 and measure their spherically averaged clustering inboth configuration and Fourier space. Our observational data set and the1400 simulated realizations of the data set allow us to detect apreference for BAO that is greater than 2.8σ. We determine thespherically averaged BAO distance to z = 1.52 to 3.8 per cent precision:DV(z = 1.52) = 3843 {\textpm} 147(rd/rd,fid)Mpc. This is the first time the location of the BAO featurehas been measured between redshifts 1 and 2. Our result is fullyconsistent with the prediction obtained by extrapolating the Planck flatΛCDM best-fitting cosmology. All of our results are consistentwith basic large-scale structure (LSS) theory, confirming quasars to bea reliable tracer of LSS, and provide a starting point for numerouscosmological tests to be performed with eBOSS quasar samples. We combineour result with previous, independent, BAO distance measurements toconstruct an updated BAO distance-ladder. Using these BAO data alone andmarginalizing over the length of the standard ruler, we findΩΛ > 0 at 6.6σ significance whentesting a ΛCDM model with free curvature.},
	keywords = {cosmology: observations;  dark energy;  distance scale;  large-scale structure of Universe},
	isbn = {0035-8711},
	url = {http://adsabs.harvard.edu/abs/2018MNRAS.473.4773A},
	author = {Ata, Metin and Baumgarten, Falk and Bautista, Julian and Beutler, Florian and Bizyaev, Dmitry and Blanton, Michael R. and Blazek, Jonathan A. and Bolton, Adam S. and Brinkmann, Jonathan and Brownstein, Joel R. and Burtin, Etienne and Chuang, Chia-Hsun and Comparat, Johan and Dawson, Kyle S. and de la Macorra, Axel and Wei Du and du Mas des Bourboux, H{\'e}lion and Daniel J. Eisenstein and Gil-Mar{\'\i}n, H{\'e}ctor and Grabowski, Katie and Guy, Julien and Hand, Nick and Ho, Shirley and Hutchinson, Timothy A. and Ivanov, Mikhail M. and Francisco-Shu Kitaura and Kneib, Jean-Paul and Laurent, Pierre and Le Goff, Jean-Marc and McEwen, Joseph E. and Mueller, Eva-Maria and Myers, Adam D. and Newman, Jeffrey A. and Palanque-Delabrouille, Nathalie and Pan, Kaike and P{\^a}ris, Isabelle and Pellejero-Ibanez, Marcos and Will J. Percival and Petitjean, Patrick and Prada, Francisco and Prakash, Abhishek and Rodr{\'\i}guez-Torres, Sergio A. and Ashley J. Ross and Rossi, Graziano and Ruggeri, Rossana and S{\'a}nchez, Ariel G. and Satpathy, Siddharth and Schlegel, David J. and Schneider, Donald P. and Seo, Hee-Jong and Slosar, An{\v z}e and Streblyanska, Alina and Tinker, Jeremy L. and Tojeiro, Rita and Vargas Maga{\~n}a, Mariana and Vivek, M. and Wang, Yuting and Y{\`e}che, Christophe and Yu, Liang and Zarrouk, Pauline and Zhao, Cheng and Zhao, Gong-bo and Zhu, Fangzhou}
}
