Copertina

Dark Energy Survey: A 2.1% measurement of the angular Baryonic Acoustic Oscillation scale at redshift $z_{\rm eff}$=0.85 from the final dataset

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autori principali:	DES Collaboration, Abbott, T. M. C., Adamow, M., Aguena, M., Allam, S., Alves, O., Amon, A., Andrade-Oliveira, F., Asorey, J., Avila, S., Bacon, D., Bechtol, K., Bernstein, G. M., Bertin, E., Blazek, J., Bocquet, S., Brooks, D., Burke, D. L., Camacho, H., Rosell, A. Carnero, Carollo, D., Carretero, J., Castander, F. J., Cawthon, R., Chan, K. C., Chang, C., Conselice, C., Costanzi, M., Crocce, M., da Costa, L. N., Pereira, M. E. S., Davis, T. M., De Vicente, J., Deiosso, N., Desai, S., Diehl, H. T., Dodelson, S., Doux, C., Drlica-Wagner, A., Elvin-Poole, J., Everett, S., Ferrero, I., Ferté, A., Flaugher, B., Fosalba, P., Frieman, J., García-Bellido, J., Gaztanaga, E., Giannini, G., Gruendl, R. A., Gutierrez, G., Hartley, W. G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Huterer, D., James, D. J., Kent, S., Kuehn, K., Lahav, O., Lee, S., Lidman, C., Lin, H., Marshall, J. L., Martini, P., Mena-Fernández, J., Menanteau, F., Miquel, R., Mohr, J. J., Myles, J., Nichol, R. C., Ogando, R. L. C., Palmese, A., Percival, W. J., Pieres, A., Malagón, A. A. Plazas, Porredon, A., Prat, J., Rodríguez-Monroy, M., Romer, A. K., Roodman, A., Rosenfeld, R., Ross, A. J., Rykoff, E. S., Sako, M., Samuroff, S., Sánchez, C., Sanchez, E., Cid, D. Sanchez, Santiago, B., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, M., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., To, C., Cipriano, L. Toribio San, Troxel, M. A., Tucker, B. E., Tucker, D. L., Walker, A. R., Weaverdyck, N., Weller, J., Wiseman, P., Yanny, B.
Natura:	Preprint
Pubblicazione:	2024
Soggetti:	Cosmology and Nongalactic Astrophysics
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

_version_	1866911416767741952
author	DES Collaboration Abbott, T. M. C. Adamow, M. Aguena, M. Allam, S. Alves, O. Amon, A. Andrade-Oliveira, F. Asorey, J. Avila, S. Bacon, D. Bechtol, K. Bernstein, G. M. Bertin, E. Blazek, J. Bocquet, S. Brooks, D. Burke, D. L. Camacho, H. Rosell, A. Carnero Carollo, D. Carretero, J. Castander, F. J. Cawthon, R. Chan, K. C. Chang, C. Conselice, C. Costanzi, M. Crocce, M. da Costa, L. N. Pereira, M. E. S. Davis, T. M. De Vicente, J. Deiosso, N. Desai, S. Diehl, H. T. Dodelson, S. Doux, C. Drlica-Wagner, A. Elvin-Poole, J. Everett, S. Ferrero, I. Ferté, A. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Giannini, G. Gruendl, R. A. Gutierrez, G. Hartley, W. G. Hinton, S. R. Hollowood, D. L. Honscheid, K. Huterer, D. James, D. J. Kent, S. Kuehn, K. Lahav, O. Lee, S. Lidman, C. Lin, H. Marshall, J. L. Martini, P. Mena-Fernández, J. Menanteau, F. Miquel, R. Mohr, J. J. Myles, J. Nichol, R. C. Ogando, R. L. C. Palmese, A. Percival, W. J. Pieres, A. Malagón, A. A. Plazas Porredon, A. Prat, J. Rodríguez-Monroy, M. Romer, A. K. Roodman, A. Rosenfeld, R. Ross, A. J. Rykoff, E. S. Sako, M. Samuroff, S. Sánchez, C. Sanchez, E. Cid, D. Sanchez Santiago, B. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Suchyta, E. Swanson, M. E. C. Tarle, G. Thomas, D. To, C. Cipriano, L. Toribio San Troxel, M. A. Tucker, B. E. Tucker, D. L. Walker, A. R. Weaverdyck, N. Weller, J. Wiseman, P. Yanny, B.
author_facet	DES Collaboration Abbott, T. M. C. Adamow, M. Aguena, M. Allam, S. Alves, O. Amon, A. Andrade-Oliveira, F. Asorey, J. Avila, S. Bacon, D. Bechtol, K. Bernstein, G. M. Bertin, E. Blazek, J. Bocquet, S. Brooks, D. Burke, D. L. Camacho, H. Rosell, A. Carnero Carollo, D. Carretero, J. Castander, F. J. Cawthon, R. Chan, K. C. Chang, C. Conselice, C. Costanzi, M. Crocce, M. da Costa, L. N. Pereira, M. E. S. Davis, T. M. De Vicente, J. Deiosso, N. Desai, S. Diehl, H. T. Dodelson, S. Doux, C. Drlica-Wagner, A. Elvin-Poole, J. Everett, S. Ferrero, I. Ferté, A. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Giannini, G. Gruendl, R. A. Gutierrez, G. Hartley, W. G. Hinton, S. R. Hollowood, D. L. Honscheid, K. Huterer, D. James, D. J. Kent, S. Kuehn, K. Lahav, O. Lee, S. Lidman, C. Lin, H. Marshall, J. L. Martini, P. Mena-Fernández, J. Menanteau, F. Miquel, R. Mohr, J. J. Myles, J. Nichol, R. C. Ogando, R. L. C. Palmese, A. Percival, W. J. Pieres, A. Malagón, A. A. Plazas Porredon, A. Prat, J. Rodríguez-Monroy, M. Romer, A. K. Roodman, A. Rosenfeld, R. Ross, A. J. Rykoff, E. S. Sako, M. Samuroff, S. Sánchez, C. Sanchez, E. Cid, D. Sanchez Santiago, B. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Suchyta, E. Swanson, M. E. C. Tarle, G. Thomas, D. To, C. Cipriano, L. Toribio San Troxel, M. A. Tucker, B. E. Tucker, D. L. Walker, A. R. Weaverdyck, N. Weller, J. Wiseman, P. Yanny, B.
contents	We present the angular diameter distance measurement obtained with the Baryonic Acoustic Oscillation feature from galaxy clustering in the completed Dark Energy Survey, consisting of six years (Y6) of observations. We use the Y6 BAO galaxy sample, optimized for BAO science in the redshift range 0.6<$z$<1.2, with an effective redshift at $z_{\rm eff}$=0.85 and split into six tomographic bins. The sample has nearly 16 million galaxies over 4,273 square degrees. Our consensus measurement constrains the ratio of the angular distance to sound horizon scale to $D_M(z_{\rm eff})/r_d$ = 19.51$\pm$0.41 (at 68.3% confidence interval), resulting from comparing the BAO position in our data to that predicted by Planck $Λ$CDM via the BAO shift parameter $α=(D_M/r_d)/(D_M/r_d)_{\rm Planck}$. To achieve this, the BAO shift is measured with three different methods, Angular Correlation Function (ACF), Angular Power Spectrum (APS), and Projected Correlation Function (PCF) obtaining $α=$ 0.952$\pm$0.023, 0.962$\pm$0.022, and 0.955$\pm$0.020, respectively, which we combine to $α=$ 0.957$\pm$0.020, including systematic errors. When compared with the $Λ$CDM model that best fits Planck data, this measurement is found to be 4.3% and 2.1$σ$ below the angular BAO scale predicted. To date, it represents the most precise angular BAO measurement at $z$>0.75 from any survey and the most precise measurement at any redshift from photometric surveys. The analysis was performed blinded to the BAO position and it is shown to be robust against analysis choices, data removal, redshift calibrations and observational systematics.
format	Preprint
id	arxiv_https___arxiv_org_abs_2402_10696
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Dark Energy Survey: A 2.1% measurement of the angular Baryonic Acoustic Oscillation scale at redshift $z_{\rm eff}$=0.85 from the final dataset DES Collaboration Abbott, T. M. C. Adamow, M. Aguena, M. Allam, S. Alves, O. Amon, A. Andrade-Oliveira, F. Asorey, J. Avila, S. Bacon, D. Bechtol, K. Bernstein, G. M. Bertin, E. Blazek, J. Bocquet, S. Brooks, D. Burke, D. L. Camacho, H. Rosell, A. Carnero Carollo, D. Carretero, J. Castander, F. J. Cawthon, R. Chan, K. C. Chang, C. Conselice, C. Costanzi, M. Crocce, M. da Costa, L. N. Pereira, M. E. S. Davis, T. M. De Vicente, J. Deiosso, N. Desai, S. Diehl, H. T. Dodelson, S. Doux, C. Drlica-Wagner, A. Elvin-Poole, J. Everett, S. Ferrero, I. Ferté, A. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Giannini, G. Gruendl, R. A. Gutierrez, G. Hartley, W. G. Hinton, S. R. Hollowood, D. L. Honscheid, K. Huterer, D. James, D. J. Kent, S. Kuehn, K. Lahav, O. Lee, S. Lidman, C. Lin, H. Marshall, J. L. Martini, P. Mena-Fernández, J. Menanteau, F. Miquel, R. Mohr, J. J. Myles, J. Nichol, R. C. Ogando, R. L. C. Palmese, A. Percival, W. J. Pieres, A. Malagón, A. A. Plazas Porredon, A. Prat, J. Rodríguez-Monroy, M. Romer, A. K. Roodman, A. Rosenfeld, R. Ross, A. J. Rykoff, E. S. Sako, M. Samuroff, S. Sánchez, C. Sanchez, E. Cid, D. Sanchez Santiago, B. Schubnell, M. Sevilla-Noarbe, I. Sheldon, E. Smith, M. Suchyta, E. Swanson, M. E. C. Tarle, G. Thomas, D. To, C. Cipriano, L. Toribio San Troxel, M. A. Tucker, B. E. Tucker, D. L. Walker, A. R. Weaverdyck, N. Weller, J. Wiseman, P. Yanny, B. Cosmology and Nongalactic Astrophysics We present the angular diameter distance measurement obtained with the Baryonic Acoustic Oscillation feature from galaxy clustering in the completed Dark Energy Survey, consisting of six years (Y6) of observations. We use the Y6 BAO galaxy sample, optimized for BAO science in the redshift range 0.6<$z$<1.2, with an effective redshift at $z_{\rm eff}$=0.85 and split into six tomographic bins. The sample has nearly 16 million galaxies over 4,273 square degrees. Our consensus measurement constrains the ratio of the angular distance to sound horizon scale to $D_M(z_{\rm eff})/r_d$ = 19.51$\pm$0.41 (at 68.3% confidence interval), resulting from comparing the BAO position in our data to that predicted by Planck $Λ$CDM via the BAO shift parameter $α=(D_M/r_d)/(D_M/r_d)_{\rm Planck}$. To achieve this, the BAO shift is measured with three different methods, Angular Correlation Function (ACF), Angular Power Spectrum (APS), and Projected Correlation Function (PCF) obtaining $α=$ 0.952$\pm$0.023, 0.962$\pm$0.022, and 0.955$\pm$0.020, respectively, which we combine to $α=$ 0.957$\pm$0.020, including systematic errors. When compared with the $Λ$CDM model that best fits Planck data, this measurement is found to be 4.3% and 2.1$σ$ below the angular BAO scale predicted. To date, it represents the most precise angular BAO measurement at $z$>0.75 from any survey and the most precise measurement at any redshift from photometric surveys. The analysis was performed blinded to the BAO position and it is shown to be robust against analysis choices, data removal, redshift calibrations and observational systematics.
title	Dark Energy Survey: A 2.1% measurement of the angular Baryonic Acoustic Oscillation scale at redshift $z_{\rm eff}$=0.85 from the final dataset
topic	Cosmology and Nongalactic Astrophysics
url	https://arxiv.org/abs/2402.10696