Artículo

Creminelli, P.; Nacir, D.L.; Simonović, M.; Trevisan, G.; Zaldarriaga, M. "Detecting primordial" (2015) Journal of Cosmology and Astroparticle Physics. 2015(11)
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Abstract:

We update the forecasts for the measurement of the tensor-to-scalar ratio r for various ground-based experiments (AdvACT, CLASS, Keck/BICEP3, Simons Array, SPT-3G), balloons (EBEX 10k and Spider) and satellites (CMBPol, COrE and LiteBIRD), taking into account the recent Planck data on polarized dust and using a component separation method. The forecasts do not change significantly with respect to previous estimates when at least three frequencies are available, provided foregrounds can be accurately described by few parameters. We argue that a theoretically motivated goal for future experiments is r∼2×10-3, and that this is achievable if the noise is reduced to ∼1 μK-arcmin and lensing is reduced to 10% in power. We study the constraints experiments will be able to put on the frequency and ℓ-dependence of the tensor signal as a check of its primordial origin. Futuristic ground-based and balloon experiments can have good constraints on these parameters, even for r∼2×10-3. For the same value of r, satellites will marginally be able to detect the presence of the recombination bump, the most distinctive feature of the primordial signal. © 2015 IOP Publishing Ltd and Sissa Medialab srl .

Registro:

Documento: Artículo
Título:Detecting primordial
Autor:Creminelli, P.; Nacir, D.L.; Simonović, M.; Trevisan, G.; Zaldarriaga, M.
Filiación:Abdus Salam International Centre for Theoretical Physics, Strada Costiera 11, Trieste, 34151, Italy
Departamento de Física, IFIBA, FCEyN UBA, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
Institute for Advanced Study, Einstein Drive, Princeton, NJ 08540, United States
SISSA, via Bonomea 265, Trieste, 34136, Italy
INFN Trieste, Istituto Nazionale di Fisica Nucleare (INFN) - Sezione di Trieste, Padriciano 99, Trieste, I-34012, United States
Palabras clave:cosmological parameters from CMBR; gravitational waves and CMBR polarization
Año:2015
Volumen:2015
Número:11
DOI: http://dx.doi.org/10.1088/1475-7516/2015/11/031
Título revista:Journal of Cosmology and Astroparticle Physics
Título revista abreviado:J. Cosmol. Astroparticle Phys.
ISSN:14757516
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14757516_v2015_n11_p_Creminelli

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Citas:

---------- APA ----------
Creminelli, P., Nacir, D.L., Simonović, M., Trevisan, G. & Zaldarriaga, M. (2015) . Detecting primordial. Journal of Cosmology and Astroparticle Physics, 2015(11).
http://dx.doi.org/10.1088/1475-7516/2015/11/031
---------- CHICAGO ----------
Creminelli, P., Nacir, D.L., Simonović, M., Trevisan, G., Zaldarriaga, M. "Detecting primordial" . Journal of Cosmology and Astroparticle Physics 2015, no. 11 (2015).
http://dx.doi.org/10.1088/1475-7516/2015/11/031
---------- MLA ----------
Creminelli, P., Nacir, D.L., Simonović, M., Trevisan, G., Zaldarriaga, M. "Detecting primordial" . Journal of Cosmology and Astroparticle Physics, vol. 2015, no. 11, 2015.
http://dx.doi.org/10.1088/1475-7516/2015/11/031
---------- VANCOUVER ----------
Creminelli, P., Nacir, D.L., Simonović, M., Trevisan, G., Zaldarriaga, M. Detecting primordial. J. Cosmol. Astroparticle Phys. 2015;2015(11).
http://dx.doi.org/10.1088/1475-7516/2015/11/031