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41por Magueijo, J“…The evidence is slim -- redshift dependence in alpha, ultra high energy cosmic rays, and (to a much lesser extent) the acceleration of the universe and the WMAP data. The constraints (e.g. those arising from nucleosynthesis or geological bounds) are tight, but not impossible. …”
Publicado 2003
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42“…We explore a scenario in the Next-to-Minimal-Supersymmetric-Standard-Model (NMSSM) with both a light O(10) GeV neutralino and a CP-odd Higgs boson with significant coupling to down-type fermions, evading all current B physics, LEP and WMAP bounds. Motivated by a possible slight lepton universality breaking hinted in Upsilon decays, we consider the effect of the mixing of eta(b) resonances with the pseudoscalar Higgs on the spin-dependent scattering neutralino cross section off nucleons. …”
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43“…Nevertheless, it is straightforward to determine the multipole vectors for a given CMB map and we present an algorithm to compute them. Using the WMAP full-sky maps, we perform several tests of the hypothesis that the CMB anisotropy is statistically isotropic and Gaussian random. …”
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44por Ade, P.A.R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A.J., Barreiro, R.B., Battaner, E., Benabed, K., Benoit-Levy, A., Bernard, J.P., Bersanelli, M., Bielewicz, P., Bond, J.R., Borrill, J., Bouchet, F.R., Burigana, C., Butler, R.C., Calabrese, E., Chamballu, A., Chiang, H.C., Christensen, P.R., Clements, D.L., Colombo, L.P.L., Couchot, F., Curto, A., Cuttaia, F., Danese, L., Davies, R.D., Davis, R.J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouille, J., Diego, J.M., Dole, H., Dore, O., Dupac, X., Ensslin, T.A., Eriksen, H.K., Fabre, O., Finelli, F., Forni, O., Frailis, M., Franceschi, E., Galeotta, S., Galli, S., Ganga, K., Giard, M., Gonzalez-Nuevo, J., Gorski, K.M., Gregorio, A., Gruppuso, A., Hansen, F.K., Hanson, D., Harrison, D.L., Henrot-Versille, S., Hernandez-Monteagudo, C., Herranz, D., Hildebrandt, S.R., Hivon, E., Hobson, M., Holmes, W.A., Hornstrup, A., Hovest, W., Huffenberger, K.M., Jaffe, A.H., Jones, W.C., Keihanen, E., Keskitalo, R., Kneissl, R., Knoche, J., Kunz, M., Kurki-Suonio, H., Lamarre, J.M., Lasenby, A., Lawrence, C.R., Leonardi, R., Lesgourgues, J., Liguori, M., Lilje, P.B., Linden-Vornle, M., Lopez-Caniego, M., Lubin, P.M., Macias-Perez, J.F., Mandolesi, N., Maris, M., Martin, P.G., Martinez-Gonzalez, E., Masi, S., Matarrese, S., Mazzotta, P., Meinhold, P.R., Melchiorri, A., Mendes, L., Menegoni, E., Mennella, A., Migliaccio, M., Miville-Deschenes, M.A., Moneti, A., Montier, L., Morgante, G., Moss, A., Munshi, D., Murphy, J.A., Naselsky, P., Nati, F., Natoli, P., Norgaard-Nielsen, H.U., Noviello, F., Novikov, D., Novikov, I., Oxborrow, C.A., Pagano, L., Pajot, F., Paoletti, D., Pasian, F., Patanchon, G., Perdereau, O., Perotto, L., Perrotta, F., Piacentini, F., Piat, M., Pierpaoli, E., Pietrobon, D., Plaszczynski, S., Pointecouteau, E., Polenta, G., Ponthieu, N., Popa, L., Pratt, G.W., Prunet, S., Rachen, J.P., Rebolo, R., Reinecke, M., Remazeilles, M., Renault, C., Ricciardi, S., Ristorcelli, I., Rocha, G., Roudier, G., Rusholme, B., Sandri, M., Savini, G., Scott, D., Spencer, L.D., Stolyarov, V., Sudiwala, R., Sutton, D., Suur-Uski, A.S., Sygnet, J.F., Tauber, J.A., Tavagnacco, D., Terenzi, L., Toffolatti, L., Tomasi, M., Tristram, M., Tucci, M., Uzan, J.P., Valenziano, L., Valiviita, J., Van Tent, B., Vielva, P., Villa, F., Wade, L.A., Yvon, D., Zacchei, A., Zonca, A.“…We show that the Planck data allow one to improve the constraint on the time variation of the fine structure constant at redshift $z\sim 10^3$ by about a factor of 5 compared to WMAP data, as well as to break the degeneracy with the Hubble constant, $H_0$. …”
Publicado 2014
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45“…We present new cosmological constraints on single-field inflation in light of the Wilkinson Microwave Anisotropy Probe satellite mission five-year results (WMAP5). We find that the cosmic microwave background data are quite consistent with a Harrison-Zel'dovich primordial spectrum with no running and zero tensor amplitude.…”
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46por Giovannini, Massimo“…Recent analyses of the WMAP 5-year data constrain possible non-adiabatic contributions to the initial conditions of CMB anisotropies. …”
Publicado 2008
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47por Stiavelli, Massimo S“…The process of reionization analyzes simple analytical considerations and compares existing observations, while a further chapter describes some of the issues regarding the transition from Population III to Population II stars, as well as the constraints that can be derived from WMAP. Further chapter…”
Publicado 2009
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48“…The recent determination of the dark matter density in the Universe by the WMAP satellite has brought new attention to the interplay of results from particle physics experiments at accelerators and from cosmology. …”
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49“…We exclude low multipoles $\ell<40$ from the analysis. We consider the WMAP5 and ACBAR data. We obtain the cosmological parameters $100\omega_b =2.13\pm 0.05$, $\omega_c=0.124\pm 0.007$, $n_s=0.93\pm 0.02$ and $\theta_A=0.593\pm 0.001$ degrees (68% C.L.). …”
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50por Esteves, J.N., Joaquim, F.R., Joshipura, A.S., Romao, J.C., Tortola, M.A., Valle, J.W.F.“…We show that, if the Majoron becomes massive, such seesaw scenario provides a viable candidate for decaying dark matter, consistent with cosmic microwave background lifetime constraints that follow from current WMAP observations. We also calculate the sub-leading one-loop-induced decay into photons which leads to a mono-energetic emission line that may be observed in future X-ray missions such as Xenia.…”
Publicado 2010
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51“…Without imposing the LEP Higgs mass bound we show that the smallest fine tuning (1:14.5) consistent with a saturation of the relic density within the 1$\sigma$ WMAP bounds corresponds to a Higgs mass of 114$\pm$2 GeV. …”
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52por Allday, Jonathan“…This edition brings the book completely up to date by including advances in particle physics and cosmology, such as the discovery of the Higgs boson, the LIGO gravitational wave discovery and the WMAP and PLANCK results.…”
Publicado 2016
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53“…This region is consistent with the WMAP restrictions on the Dark matter and depends on the value of $\tan\beta$. …”
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54“…The magnitude of primordial tensor perturbations reported by the BICEP2 experiment is consistent with simple models of chaotic inflation driven by a single scalar field with a power-law potential \propto \phi^n: n \simeq 2, in contrast to the WMAP and Planck results, which favored models resembling the Starobinsky R + R^2 model if running of the scalar spectral index could be neglected. …”
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55“…Recent data, including that from the WMAP satellite, shows some evidence that the index runs (changes as a function of the scale k at which it is measured) from n>1 (blue) on long scales to n<1 (red) on short scales. …”
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56“…We perform a Monte Carlo simulation for a benchmark scenario, which is in agreement with the recent WMAP bound on the relic density of dark matter, and demonstrate that for $m_{\tilde{g}}\lsim 900$ GeV and $m_{\tilde{q}}>m_{\tilde{g}}$ the signal can be extracted from the background. …”
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57por Genest, Marie-Helene“…In this section of the thesis, the theoretically permitted supersymmetric parameter space compatible with WMAP results is explored and the fraction of this space reachable in ATLAS at LHC is determined. …”
Publicado 2007
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58“…A combination of Planck data, WMAP-9 polarisation data, measurements of the BAO scale, the HST measurement of H_0, Planck galaxy cluster counts and galaxy shear data from the CFHTLens survey yields Delta N_eff = 0.61 pm 0.30 and m_s^eff = (0.41 pm 0.13) eV at 1 sigma. …”
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59“…For the first 32 multipoles, combining the hard exponential with a milder one leading to $n_s\simeq 0.96$ and with a small gaussian bump we have attained a reduction of $\chi^{\,2}$ to about 46% of the standard $\Lambda$CDM setting, with both WMAP9 and PLANCK 2013 data. This result corresponds to a $\chi^{\,2}/DOF$ of about 0.45, to be compared with a $\Lambda$CDM value of about 0.85. …”
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60“…We then use the parameter inference code Monte Python to confront ThetaCDM with data from WMAP-7, SPT and WiggleZ. We obtain strong bounds on the parameters accounting for deviations from LambdaCDM. …”
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