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19912026
most citedA New Method for Combining NLO QCD with Shower Monte Carlo Algorithms

2.8k citations

Showing 2022 · astro-ph.COShow all

19 papers · 2 filters

astro-ph.CO2022★ 5 cited

Augmenting photometric redshift estimates using spectroscopic nearest neighbours

F. Tosone, M. S. Cagliari, L. Guzzo +2

As a consequence of galaxy clustering, close galaxies observed on the plane of the sky should be spatially correlated with a probability that is inversely proportional to their ang…

astro-ph.CO2022★ 7 cited

BeyondPlanck IV. On end-to-end simulations in CMB analysis -- Bayesian versus frequentist statistics

M. Brilenkov, K. S. F. Fornazier, L. T. Hergt +48

End-to-end simulations play a key role in the analysis of any high-sensitivity CMB experiment, providing high-fidelity systematic error propagation capabilities unmatched by any ot…

astro-ph.CO2022★ 9 cited

BeyondPlanck X. Planck LFI frequency maps with sample-based error propagation

A. Basyrov, A. -S. Suur-Uski, L. P. L. Colombo +37

We present Planck LFI frequency sky maps derived within the BeyondPlanck framework. This framework draws samples from a global posterior distribution that includes instrumental, as…

astro-ph.CO2022★ 17 cited

BeyondPlanck XI. Bayesian CMB analysis with sample-based end-to-end error propagation

L. P. L. Colombo, J. R. Eskilt, S. Paradiso +36

We present posterior sample-based cosmic microwave background (CMB) constraints from Planck LFI and WMAP observations derived through global end-to-end Bayesian processing. We use…

astro-ph.CO2022★ 12 cited

Euclid: Calibrating photometric redshifts with spectroscopic cross-correlations

K. Naidoo, H. Johnston, B. Joachimi +126

Cosmological constraints from key probes of the Euclid imaging survey rely critically on the accurate determination of the true redshift distributions, , of tomographic redsh…

astro-ph.CO2022★ 13 cited

Enhance Primordial Black Hole Abundance through the Non-linear Processes around Bounce Point

Jie-Wen Chen, Mian Zhu, Sheng-Feng Yan +2

The non-singular bouncing cosmology is an alternative paradigm to inflation, wherein the background energy density vanishes at the bounce point, in the context of Einstein gravity.…

astro-ph.CO2022★ 34 cited

Euclid: Forecasts from the void-lensing cross-correlation

M. Bonici, C. Carbone, S. Davini +129

The Euclid space telescope will survey a large dataset of cosmic voids traced by dense samples of galaxies. In this work we estimate its expected performance when exploiting angula…

astro-ph.CO2022★ 12 cited

Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release

Euclid Collaboration, R. Saglia, S. De Nicola +183

The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Eucli…

astro-ph.CO2022★ 3 cited

Euclid: Fast two-point correlation function covariance through linear construction

E. Keihanen, V. Lindholm, P. Monaco +109

We present a method for fast evaluation of the covariance matrix for a two-point galaxy correlation function (2PCF) measured with the Landy-Szalay estimator. The standard way of ev…

astro-ph.CO2022★ 17 cited

BeyondPlanck XII. Cosmological parameter constraints with end-to-end error propagation

S. Paradiso, L. P. L. Colombo, K. J. Andersen +38

We present cosmological parameter constraints as estimated using the Bayesian BeyondPlanck (BP) analysis framework. This method supports seamless end-to-end error propagation from…

astro-ph.CO2022★ 58 cited

Euclid: Cosmological forecasts from the void size function

S. Contarini, G. Verza, A. Pisani +123

The Euclid mission with its spectroscopic galaxy survey covering a sky area over in the redshift range will provide a sample of tens o…

astro-ph.CO2022★ 62 cited

Gaussian processes and effective field theory of gravity under the tension

Xin Ren, Sheng-Feng Yan, Yaqi Zhao +2

We consider the effective field theory formulation of torsional gravity in a cosmological framework to alter the background evolution. Then we use the latest measurement from…

astro-ph.CO2022★ 17 cited

From BeyondPlanck to Cosmoglobe: Preliminary -band analysis

D. J. Watts, M. Galloway, H. T. Ihle +40

We present the first application of the Cosmoglobe analysis framework by analyzing 9-year time-ordered observations using similar machinery as BeyondPlanck utilizes…

astro-ph.CO2022

Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite

P. Vielva, E. Martínez-González, F. J. Casas +68

A methodology to provide the polarization angle requirements for different sets of detectors, at a given frequency of a CMB polarization experiment, is presented. The uncertainties…

astro-ph.CO2022★ 36 cited

BeyondPlanck III. Commander3

M. Galloway, K. J. Andersen, R. Aurlien +35

We describe the computational infrastructure for end-to-end Bayesian CMB analysis implemented by the BeyondPlanck collaboration. This code is called commander3, and provides a stat…

astro-ph.CO2022★ 8 cited

BeyondPlanck VIII. Efficient Sidelobe Convolution and Correction through Spin Harmonics

M. Galloway, M. Reinecke, K. J. Andersen +35

We introduce a new formulation of the Conviqt convolution algorithm in terms of spin harmonics, and apply this to the problem of sidelobe correction for BeyondPlanck, the first end…

astro-ph.CO2022★ 18 cited

BeyondPlanck X. Bandpass and beam leakage corrections

T. L. Svalheim, K. J. Andersen, R. Aurlien +36

We discuss the treatment of bandpass and beam leakage corrections in the Bayesian BeyondPlanck CMB analysis pipeline as applied to the Planck LFI measurements. As a preparatory ste…

astro-ph.CO2022★ 24 cited

BeyondPlanck XIII. Intensity foreground sampling, degeneracies, and priors

K. J. Andersen, D. Herman, R. Aurlien +41

We present the intensity foreground algorithms and model employed within the BeyondPlanck analysis framework. The BeyondPlanck analysis is aimed at integrating component separation…

astro-ph.CO2022★ 12 cited

BeyondPlanck XVI. Limits on Large-Scale Polarized Anomalous Microwave Emission from Planck LFI and WMAP

D. Herman, B. Hensley, K. J. Andersen +35

We constrain the level of polarized anomalous microwave emission (AME) on large angular scales using LFI and polarization data within a Bayesian C…