The principle of humanity in penal law

Cuesta, José Luis de La

doi:10.3917/ridp.823.0457

Cited by 7 publications

(7 citation statements)

References 2 publications

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“…We have adjusted the measured DV's of these works appropriately to be quoted in terms of our fiducial Patchy sound horizon. Both of our distance scales are within at most 0.5σ of the Anderson et al (2014), Cuesta et al (2016), andGil-Marín et al (2016) measurements. Our slightly larger error bars reflect that we achieve a precision of roughly 1.4% (statistical) on the distance scale while the 2PCF measurements achieve a precision of roughly 1.0%.…”

Section: Bao Detectionsupporting

confidence: 83%

“…while from the SDSS DR12 CMASS 2PCF including reconstruction, Cuesta et al (2016) found DV, Cuesta(zsurvey ) = 2036 ± 21 Mpc…”

Section: Bao Detectionmentioning

confidence: 96%

“…Since the original detections of the BAO bump in the 2PCF of galaxies (Cole et al 2005;Eisenstein et al 2005), large-scale redshift surveys such as the Sloan Digital Sky Survey (SDSS) and Baryon Oscillation Spectroscopic Survey (BOSS) have yielded everincreasing precision via the BAO method. The current precision on the distance scale from the 2PCF/power spectrum is of order 1% (Anderson et al 2014;Cuesta et al 2016;Gil-Marín et al 2016), and future surveys such as Dark Energy Spectroscopic Instrument (DESI) (Levi et al 2013) and Euclid (Laureijs et al 2011) should achieve a factor of five improvement in precision. The Lyman-α forest has also been used for BAO measurements, with the most recent results in Delubac et al (2015).…”

Section: Introductionmentioning

confidence: 99%

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Detection of baryon acoustic oscillation features in the large-scale three-point correlation function of SDSS BOSS DR12 CMASS galaxies

Slepian

Eisenstein

Brownstein

et al. 2017

Monthly Notices of the Royal Astronomical Society

133

107

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We present the large-scale 3-point correlation function (3PCF) of the SDSS DR12 CMASS sample of 777, 202 Luminous Red Galaxies, the largest-ever sample used for a 3PCF or bispectrum measurement. We make the first high-significance (4.5σ) detection of Baryon Acoustic Oscillations (BAO) in the 3PCF. Using these acoustic features in the 3PCF as a standard ruler, we measure the distance to z = 0.57 to 1.7% precision (statistical plus systematic). We find D V = 2024±29 Mpc (stat)±20 Mpc (sys) for our fiducial cosmology (consistent with Planck 2015) and bias model. This measurement extends the use of the BAO technique from the 2-point correlation function (2PCF) and power spectrum to the 3PCF and opens an avenue for deriving additional cosmological distance information from future large-scale structure redshift surveys such as DESI. Our measured distance scale from the 3PCF is fairly independent from that derived from the pre-reconstruction 2PCF and is equivalent to increasing the length of BOSS by roughly 10%; reconstruction appears to lower the independence of the distance measurements. Fitting a model including tidal tensor bias yields a moderate significance (2.6σ) detection of this bias with a value in agreement with the prediction from local Lagrangian biasing. c 0000 RAS arXiv:1607.06097v1 [astro-ph.CO]

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Section: Bao Detectionsupporting

confidence: 83%

“…while from the SDSS DR12 CMASS 2PCF including reconstruction, Cuesta et al (2016) found DV, Cuesta(zsurvey ) = 2036 ± 21 Mpc…”

Section: Bao Detectionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Detection of baryon acoustic oscillation features in the large-scale three-point correlation function of SDSS BOSS DR12 CMASS galaxies

Slepian

Eisenstein

Brownstein

et al. 2017

Monthly Notices of the Royal Astronomical Society

133

107

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“…The resulting MD-Patchy mocks reproduce the number density, selection function, survey geometry, multipole power spectrum, multipole correlation function and three point statistics of the BOSS DR11 CMASS sample. The MD-Patchy mock catalogs have been tested and applied on the analysis of BOSS galaxy surveys (Chuang et al 2013(Chuang et al , 2016Cuesta et al 2016).…”

Section: Mock Catalogs To Measure the Covariance Matrixmentioning

confidence: 99%

Measurement of a Redshift-Space Power Spectrum for Boss Galaxies and the Growth Rate at Redshift 0.57

Jing

Zhang

et al. 2016

ApJ

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We present a measurement of two-dimensional (2D) redshift-space power spectrum for the Baryon Oscillation Spectroscopic Survey (BOSS) Data Release 11 CMASS galaxies in the North Galactic Cap (NGC) based on the method developed by Jing & Börner (2001). In this method, we first measure the 2D redshift-space correlation function for the CMASS galaxies, and obtain the 2D power spectrum based on Fourier Transform of the correlation function. The method is tested with an N-body mock galaxy catalog, which demonstrates that the method can yield an accurate and unbiased measurement of the redshift-space power spectrum given the input 2D correlation function is correct. Compared with previous measurements in literature that are usually based on direct Fourier Transform in redshift space, our method has the advantages that the window function and shot-noise are fully corrected, while those measured in previous studies for the CMASS galaxies are usually the one convolved with the window function. In fact, our 2D power spectrum, by its construction, can accurately reproduce the 2D correlation function, and in the meanwhile can reproduce, for example, the 2D power spectrum of Beutler et al. (2014) accurately if ours is convolved with the window function they provided. Thus, our measurement can facilitate a direct comparison with the theoretical predictions. With this accurate measurement of the 2D power spectrum, we then develop a method to measure the structure growth rate, by separating the anisotropic redshift-space power spectrum from the isotropic real-space power spectrum. We have also carefully corrected for the nonlinearities in the mapping from real space to redshift space, according to the theoretical model of Zhang et al. (2013). Finally, we obtain f (z eff )σ 8 (z eff ) = 0.438 ± 0.037 at the effective redshift z eff = 0.57, where f (z eff ) is the linear growth rate and σ 8 (z eff ) is the rms density fluctuation in the sphere of comoving radius 8 h −1 Mpc at z eff . The result is useful for constraining cosmological parameters. The measurements of 2D power spectrum will be released soon.

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“…Beutler et al (2016) compared different redshift slices within the Baryon Oscillation Spectroscopic Survey (BOSS) and WiggleZ to look for the relative velocity effect and found no evidence for it. Higher precision constraints are required: Blazek, McEwen & Hirata (2016) show that even a relative velocity bias of order 4% of the linear bias can cause a 1% shift in the distance scale, comparable with the statistical errors on the lastest BOSS measurement (Cuesta et al 2016;Gil-Marín et al 2016;Alam et al 2016). Further, Dark Energy Spectroscopic Instrument (DESI; Levi et al 2013), with first light in 2019, will improve on the BOSS error bars by roughly a factor of five, so even a relative velocity bias that is 1% of the linear bias could systematically shift the distance scale comparably to DESI's statistical error bars.…”

Section: Introductionmentioning

confidence: 99%

Constraining the baryon–dark matter relative velocity with the large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies

Slepian

Eisenstein

Blazek

et al. 2017

Monthly Notices of the Royal Astronomical Society

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We search for a galaxy clustering bias due to a modulation of galaxy number with the baryon-dark matter relative velocity resulting from recombination-era physics. We find no detected signal and place the constraint b v < 0.01 on the relative velocity bias for the CMASS galaxies. This bias is an important potential systematic of Baryon Acoustic Oscillation (BAO) method measurements of the cosmic distance scale using the 2-point clustering. Our limit on the relative velocity bias indicates a systematic shift of no more than 0.3% rms in the distance scale inferred from the BAO feature in the BOSS 2-point clustering, well below the 1% statistical error of this measurement. This constraint is the most stringent currently available and has important implications for the ability of upcoming large-scale structure surveys such as DESI to self-protect against the relative velocity as a possible systematic. c 0000 RAS arXiv:1607.06098v1 [astro-ph.CO]

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The principle of humanity in penal law

Cited by 7 publications

References 2 publications

Detection of baryon acoustic oscillation features in the large-scale three-point correlation function of SDSS BOSS DR12 CMASS galaxies

Detection of baryon acoustic oscillation features in the large-scale three-point correlation function of SDSS BOSS DR12 CMASS galaxies

Measurement of a Redshift-Space Power Spectrum for Boss Galaxies and the Growth Rate at Redshift 0.57

Constraining the baryon–dark matter relative velocity with the large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies

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