Built on

A. Raccanelli, O. Doré, and N. Dalal, Optimization of spectroscopic surveys for testing non-Gaussianity
Original
1927
Earlier work this paper cites.
E. Komatsu and D. N. Spergel, Acoustic signatures in the primary microwave background bispectrum
2001
Earlier work this paper cites.
E. Komatsu, D. N. Spergel, and B. D. Wandelt, Measuring primordial non-gaussianity in the cosmic microwave background
2005
Earlier work this paper cites.
X. Chen, Running non-gaussianities in dirac-born-infeld inflation
2005
Earlier work this paper cites.
A. Cooray, Large-scale non-Gaussianities in the 21 cm background anisotropies from the era of reionization
2005
Earlier work this paper cites.
K. M. Górski, E. Hivon, A. J. Banday, B. D. Wandelt, F. K. Hansen, M. Reinecke, and M. Bartelmann, HEALPix: A Framework for High-Resolution Discretization and Fast Analysis of Data Distributed on the Sphere
2005
Earlier work this paper cites.
X. Chen, M.-x. Huang, S. Kachru, and G. Shiu, Observational signatures and non-Gaussianities of general single field inflation
2007
Earlier work this paper cites.
P. Creminelli, L. Senatore, and M. Zaldarriaga, Estimators for local non-Gaussianities
2007
Earlier work this paper cites.
A. Taruya, K. Koyama, and T. Matsubara, Signature of Primordial Non-Gaussianity on Matter Power Spectrum
Original
2008
Earlier work this paper cites.
E. Sefusatti, M. Liguori, A. P. S. Yadav, M. G. Jackson, and E. Pajer, Constraining running non-gaussianity
Original
2009
Earlier work this paper cites.
E. Sefusatti, M. Liguori, A. P. Yadav, M. G. Jackson, and E. Pajer, Constraining running non-gaussianity
2009
Earlier work this paper cites.

Similar

E. Komatsu, J. Dunkley, M. R. Nolta, C. L. Bennett, B. Gold, G. Hinshaw, N. Jarosik, D. Larson, M. Limon, L. Page, D. N. Spergel, M. Halpern, R. S. Hill, A. Kogut, S. S. Meyer, G. S. Tucker, J. L. Weiland, E. Wollack, and E. L. Wright, Five-Year Wilkinson Microwave Anisotropy Probe Observations: Cosmological Interpretation
Original
2009
Cited alongside, same era.
D. Hanson, K. M. Smith, A. Challinor, and M. Liguori, CMB lensing and primordial non-Gaussianity
Original
2009
Cited alongside, same era.
C. Byrnes, M. Gerstenlauer, S. Nurmi, G. Tasinato, and D. Wands, Scale-dependent non-gaussianity probes inflationary physics
2010
Cited alongside, same era.
N. Bartolo, M. Fasiello, S. Matarrese, and A. Riotto, Tilt and Running of Cosmological Observables in Generalized Single-Field Inflation
Original
2010
Cited alongside, same era.
J. R. Fergusson, M. Liguori, and E. P. S. Shellard, General CMB and primordial bispectrum estimation: Mode expansion, map making, and measures of F NL

Then

J. R. Fergusson, M. Liguori, and E. P. S. Shellard, The CMB bispectrum
Original
2012
Later among the works it cites.
C. L. Bennett, D. Larson, J. L. Weiland, N. Jarosik, G. Hinshaw, N. Odegard, K. M. Smith, R. S. Hill, B. Gold, M. Halpern, E. Komatsu, M. R. Nolta, L. Page, D. N. Spergel, E. Wollack, J. Dunkley, A. Kogut, M. Limon, S. S. Meyer, G. S. Tucker, and E. L. Wright, Nine-year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Final Maps and Results
Original
2013
Later among the works it cites.
M. Biagetti, H. Perrier, A. Riotto, and V. Desjacques, Testing the running of non-Gaussianity through the CMB μ \mu -distortion and the halo bias
Original
2013
Later among the works it cites.
Planck Collaboration, P. A. R. Ade, N. Aghanim, C. Armitage-Caplan, M. Arnaud, M. Ashdown, F. Atrio-Barandela, J. Aumont, C. Baccigalupi, A. J. Banday, and et al., Planck 2013 results. XXIV. Constraints on primordial non-Gaussianity
Original
2014
Later among the works it cites.

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2017

CMB constraints on running non-Gaussianity

Oppizzi, Filippo, Liguori, Michele, Renzi, Alessandro et al.

Understand

We develop a complete set of tools for CMB forecasting, simulation and estimation of primordial running bispectra, arising from a variety of curvaton and single-field (DBI) models of Inflation.

We validate our pipeline using mock CMB running non-Gaussianity realizations and test it on real data by obtaining experimental constraints on the $f_{\rm NL}$ running spectral index, $n_{\rm NG}$, using WMAP 9-year data.
Our final bounds (68\% C.L.) read $-0.6< n_{\rm NG}<1.4$, $-0.3< n_{\rm NG}<1.2$, $-1.1<n_{\rm NG}<0.7$ for the single-field curvaton, two-field curvaton and DBI scenarios, respectively.
We show forecasts and discuss potential improvements on these bounds, using {\it Planck} and future CMB surveys.

Built on

A. Raccanelli, O. Doré, and N. Dalal, Optimization of spectroscopic surveys for testing non-Gaussianity
Original
1927
Earlier work this paper cites.
E. Komatsu and D. N. Spergel, Acoustic signatures in the primary microwave background bispectrum
2001
Earlier work this paper cites.
E. Komatsu, D. N. Spergel, and B. D. Wandelt, Measuring primordial non-gaussianity in the cosmic microwave background
2005
Earlier work this paper cites.
X. Chen, Running non-gaussianities in dirac-born-infeld inflation
2005
Earlier work this paper cites.
A. Cooray, Large-scale non-Gaussianities in the 21 cm background anisotropies from the era of reionization
2005
Earlier work this paper cites.
K. M. Górski, E. Hivon, A. J. Banday, B. D. Wandelt, F. K. Hansen, M. Reinecke, and M. Bartelmann, HEALPix: A Framework for High-Resolution Discretization and Fast Analysis of Data Distributed on the Sphere
2005
Earlier work this paper cites.
X. Chen, M.-x. Huang, S. Kachru, and G. Shiu, Observational signatures and non-Gaussianities of general single field inflation
2007
Earlier work this paper cites.
P. Creminelli, L. Senatore, and M. Zaldarriaga, Estimators for local non-Gaussianities
2007
Earlier work this paper cites.
A. Taruya, K. Koyama, and T. Matsubara, Signature of Primordial Non-Gaussianity on Matter Power Spectrum
Original
2008
Earlier work this paper cites.
E. Sefusatti, M. Liguori, A. P. S. Yadav, M. G. Jackson, and E. Pajer, Constraining running non-gaussianity
Original
2009
Earlier work this paper cites.
E. Sefusatti, M. Liguori, A. P. Yadav, M. G. Jackson, and E. Pajer, Constraining running non-gaussianity
2009
Earlier work this paper cites.

Similar

E. Komatsu, J. Dunkley, M. R. Nolta, C. L. Bennett, B. Gold, G. Hinshaw, N. Jarosik, D. Larson, M. Limon, L. Page, D. N. Spergel, M. Halpern, R. S. Hill, A. Kogut, S. S. Meyer, G. S. Tucker, J. L. Weiland, E. Wollack, and E. L. Wright, Five-Year Wilkinson Microwave Anisotropy Probe Observations: Cosmological Interpretation
Original
2009
Cited alongside, same era.
D. Hanson, K. M. Smith, A. Challinor, and M. Liguori, CMB lensing and primordial non-Gaussianity
Original
2009
Cited alongside, same era.
C. Byrnes, M. Gerstenlauer, S. Nurmi, G. Tasinato, and D. Wands, Scale-dependent non-gaussianity probes inflationary physics
2010
Cited alongside, same era.
N. Bartolo, M. Fasiello, S. Matarrese, and A. Riotto, Tilt and Running of Cosmological Observables in Generalized Single-Field Inflation
Original
2010
Cited alongside, same era.
J. R. Fergusson, M. Liguori, and E. P. S. Shellard, General CMB and primordial bispectrum estimation: Mode expansion, map making, and measures of F NL

Then

J. R. Fergusson, M. Liguori, and E. P. S. Shellard, The CMB bispectrum
Original
2012
Later among the works it cites.
C. L. Bennett, D. Larson, J. L. Weiland, N. Jarosik, G. Hinshaw, N. Odegard, K. M. Smith, R. S. Hill, B. Gold, M. Halpern, E. Komatsu, M. R. Nolta, L. Page, D. N. Spergel, E. Wollack, J. Dunkley, A. Kogut, M. Limon, S. S. Meyer, G. S. Tucker, and E. L. Wright, Nine-year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Final Maps and Results
Original
2013
Later among the works it cites.
M. Biagetti, H. Perrier, A. Riotto, and V. Desjacques, Testing the running of non-Gaussianity through the CMB μ \mu -distortion and the halo bias
Original
2013
Later among the works it cites.
Planck Collaboration, P. A. R. Ade, N. Aghanim, C. Armitage-Caplan, M. Arnaud, M. Ashdown, F. Atrio-Barandela, J. Aumont, C. Baccigalupi, A. J. Banday, and et al., Planck 2013 results. XXIV. Constraints on primordial non-Gaussianity
Original
2014
Later among the works it cites.

Beyond the bibliography

alphaXiv searches the wider corpus for related work and actual follow-ups.

Open on alphaXiv

alphaXiv is searching for related work…

Original

2010

Cited alongside, same era.

M. Bucher, B. van Tent, and C. S. Carvalho, Detecting bispectral acoustic oscillations from inflation using a new flexible estimator

Original

2010

Cited alongside, same era.

M. Liguori, E. Sefusatti, J. R. Fergusson, and E. P. S. Shellard, Primordial Non-Gaussianity and Bispectrum Measurements in the Cosmic Microwave Background and Large-Scale Structure

Original

2010

Cited alongside, same era.

S. Shandera, N. Dalal, and D. Huterer, A generalized local ansatz and its effect on halo bias

Original

2011

Cited alongside, same era.

K. M. Smith and M. Zaldarriaga, Algorithms for bispectra: forecasting, optimal analysis and simulation

2011

Cited alongside, same era.

A. Becker and D. Huterer, First constraints on the running of non-gaussianity

2012

Cited alongside, same era.

CORE Collaboration, F. Finelli, M. Bucher, A. Achúcarro, M. Ballardini, N. Bartolo, D. Baumann, S. Clesse, J. Errard, W. Handley, M. Hindmarsh, K. Kiiveri, M. Kunz, A. Lasenby, M. Liguori, D. Paoletti, C. Ringeval, J. Väliviita, B. van Tent, V. Vennin, R. Allison, F. Arroja, M. Ashdown, A. J. Banday, R. Banerji, J. G. Bartlett, S. Basak, J. Baselmans, P. de Bernardis, M. Bersanelli, A. Bonaldi, J. Borril, F. R. Bouchet, F. Boulanger, T. Brinckmann, C. Burigana, A. Buzzelli, Z.-Y. Cai, M. Calvo, C. S. Carvalho, G. Castellano, A. Challinor, J. Chluba, I. Colantoni, M. Crook, G. D’Alessandro, G. D’Amico, J. Delabrouille, V. Desjacques, G. De Zotti, J. M. Diego, E. Di Valentino, S. Feeney, J. R. Fergusson, R. Fernandez-Cobos, S. Ferraro, F. Forastieri, S. Galli, J. García-Bellido, G. de Gasperis, R. T. Génova-Santos, M. Gerbino, J. González-Nuevo, S. Grandis, J. Greenslade, S. Hagstotz, S. Hanany, D. K. Hazra, C. Hernández-Monteagudo, C. Hervias-Caimapo, M. Hills, E. Hivon, B. Hu, T. Kisner, T. Kitching, E. D. Kovetz, H. Kurki-Suonio, L. Lamagna, M. Lattanzi, J. Lesgourgues, A. Lewis, V. Lindholm, J. Lizarraga, M. López-Caniego, G. Luzzi, B. Maffei, N. Mandolesi, E. Martínez-González, C. J. A. P. Martins, S. Masi, D. McCarthy, S. Matarrese, A. Melchiorri, J.-B. Melin, D. Molinari, A. Monfardini, P. Natoli, M. Negrello, A. Notari, F. Oppizzi, A. Paiella, E. Pajer, G. Patanchon, S. P. Patil, M. Piat, G. Pisano, L. Polastri, G. Polenta, A. Pollo, V. Poulin, M. Quartin, A. Ravenni, M. Remazeilles, A. Renzi, D. Roest, M. Roman, J. A. Rubiño-Martin, L. Salvati, A. A. Starobinsky, A. Tartari, G. Tasinato, M. Tomasi, J. Torrado, N. Trappe, T. Trombetti, C. Tucker, M. Tucci, J. Urrestilla, R. van de Weygaert, P. Vielva, N. Vittorio, and K. Young, Exploring Cosmic Origins with CORE: Inflation

Cited in the paper.

R. Emami, E. Dimastrogiovanni, J. Chluba, and M. Kamionkowski, Probing the scale dependence of non-Gaussianity with spectral distortions of the cosmic microwave background

Original

2015

Later among the works it cites.

R. Khatri and R. Sunyaev, Constraints on μ \mu -distortion fluctuations and primordial non-Gaussianity from Planck data

Original

2015

Later among the works it cites.

Planck Collaboration, P. A. R. Ade, N. Aghanim, M. Arnaud, F. Arroja, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini, A. J. Banday, and et al., Planck 2015 results. XVII. Constraints on primordial non-Gaussianity

Original

2016