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

G. Adame, A.; Aguilar, J.; P. Ahlen, S.; Alam, Shadab; M. Alexander, D.; A. Alvarez, Marcelo; Alves, O.; Anand, Abhijeet; Andrade, U.; Armengaud, E.; Àvila, S.; Avilés, Alejandro; Awan, H.; Bailey, S.; Baltay, C.; Bault, A.; Bautista, J.; Behera, J.; BenZvi, S.; Beutler, Florian; Bianchi, Davide; Blake, Chris; Blum, Robert; Brieden, S.; Brodzeller, A.; Brooks, D.; Buckley‐Geer, E.; Burtin, E.; Calderón, R.; E. A. Canning, R.; Carnero Rosell, A.; Cereskaite, R.; L. Cervantes–Cota, Jorge; Chabanier, Solène; Chaussidon, E.; Chaves-Montero, J.; Chen, S.; Chen, Xinyi; Claybaugh, T.; Cole, S.; Cuceu, Andrei; M. Davis, T.; Dawson, Kyle; de la Cruz, Rodrigo; de la Macorra, Axel; de Mattia, Arnaud; Deiosso, N.; Dey, Arjun; Dey, Biprateep; Ding, Jiani; Ding, Z.; Doel, P.; Edelstein, J.; Eftekharzadeh, Sarah; J. Eisenstein, Daniel; Elliott, A.; Fagrelius, Parker; Fanning, K.; Ferraro, Simone; Ereza, J.; Findlay, N.; Flaugher, B.; Font-Ribera, Andreu; Forero-Sánchez, D.; E. Forero-Romero, J.; García-Quintero, C.; Gaztañaga, E.; Gil-Marín, Héctor; Gontcho A Gontcho, Satya; X. González‐Morales, Alma; González-Pérez, Violeta; Gordon, C.; Green, D.; Gruen, D.; Gsponer, Rafaela; Gutierrez, G.; Guy, J.; Hadzhiyska, Boryana; Hahn, ChangHoon; Hanif, M.; K. Herrera-Alcantar, H.; Honscheid, K.; Howlett, Cullan; Huterer, Dragan; Iršič, Vid; Ishak, Mustapha; Juneau, S.; Göksel Karaçaylı, Naim; Kehoe, R.; Kent, S.; Kirkby, D.; Kremin, Anthony; Krolewski, Alex; Lai, Ying‐Cheng; Lan, T.-W.; Landriau, Martin; Lang, Dustin; Lasker, J.; Le Goff, J.M.; Le Guillou, L.; Leauthaud, Alexie; E. Levi, M.; S. Li, T.; V. Linder, Eric; Lodha, K.; Magneville, C.; Manera, Marc; Margala, Daniel; Martini, Paul; Maus, M; McDonald, Patrick; Medina-Varela, L.; Meisner, Aaron; Mena-Fernández, J.; Miquel, R.; Moon, J.; Moore, Shannon; Moustakas, John; Mueller, Eva-Maria; Muñoz-Gutiérrez, A.; D. Myers, Adam; Nadathur, S.; Napolitano, L.; Neveux, Richard; A. Newman, Jeffrey; Nguyen, Nhat-Minh; Nie, J.; Niz, Gustavo; E. Noriega, H.; Padmanabhan, Nikhil; Paillas, E.; Palanque‐Delabrouille, N.; Pan, J.; Penmetsa, S.; J. Percival, Will; M. Pieri, Matthew; Pinon, M.; Poppett, Claire; Porredon, A.; Prada, Francisco; Pérez-Fernández, A.; Pérez-Ràfols, Ignasi; Rabinowitz, D.; Raichoor, A.; Ramírez-Pérez, C.; Ramírez-Solano, S.; Rashkovetskyi, M.; Ravoux, C.; Rezaie, Mehdi; Rich, J.; Rocher, A.; M. Rockosi, C.; A. Roe, Natalie; Rosado-Marin, A.; J. Ross, Ashley; Rossi, Graziano; Ruggeri, Rossana; Ruhlmann-Kleider, V.; Samushia, Lado; Sánchez, E.; Saulder, Christoph; F. Schlafly, Edward; J. Schlegel, David; Schubnell, M.; Seo, Hee‐Jong; M. Sharples, R.; Silber, J.; Sinigaglia, Francesco; Slosar, A.; G. Smith, A.; Sprayberry, D.; Tan, T.; Tarlé, G.; Trusov, S.; Vaisakh, R.; Valcin, D.; Valdés, F.; Vargas-Magaña, M.; Verde, Licia; Walther, Michael; Wang, B.; S. Wang, M.; A. Weaver, B.; Weaverdyck, N.; H. Wechsler, Risa; H. Weinberg, David; White, Martin; Yu, Jiaxi; Yu, Y.; Yuan, Sihan; Yèche, C.; A. Zaborowski, E.; Zarrouk, Pauline; Zhang, H.; Zhao, Cheng; Zhao, Ruiyang; Zhou, Rongpu; Zou, Hu

doi:10.1088/1475-7516/2025/01/124

Public

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

Published in Journal of Cosmology and Astroparticle Physics • Jan 1, 2025

Authors:

A. G. Adame

J. Aguilar

S. P. Ahlen

Abstract

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

Subject

Baryon acoustic oscillations

Lyman-alpha forest

Baryon

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