Sterile neutrinos and the Cosmic Microwave Background
Early universe cosmology and its observational effects on the cosmic microwave background
... 310 ; 382 ]. This discordance suggests that there is a possibility of an extension to the standard cosmological model to bridge the differing results obtained on the largest scales of the CMB to the smaller scales of ...
224
Physics of the Cosmic Microwave Background
... • Intuitive explanation of the “power spectrum”, and how we used this to determine the composition of the Universe. • The target audience of the movie is the general public[r] ...
27
Cosmic Microwave Background Radiation
... Once we have a model (with its parameters) we can easily create data by simulating that model and this is called a forward problem.. Finding parameters Θ of a model from the data d is ca[r] ...
39
Dark Matter and the Cosmic Microwave Background
... Cosmic microwave background radiation carries information from around z ~ 1000, the epoch of hydrogen recombination.. Dark matter and baryons slow-moving, diffuse, nearly uniform (nonli[r] ...
41
CiteSeerX — COSMIC MICROWAVE BACKGROUND RADIATION
... For those first 300,000 years, the pho- tonsofthebackgroundradiationwere bound up in a broiling plasma. Be- cause of random fluctuations gener- ated by cosmic inflation in the first split second, some regions ...
16
Data analysis of and results from observations of the cosmic microwave background with the Cosmic Background Imager
... when cosmic variance is unimportant, as is the case in low-S/N experiments (such as ...include cosmic variance, but it is more model dependent, depending in detail on the assumed S/N per area in the UV ...
167
Measuring the Polarization of the Cosmic Microwave Background with BICEP3
... A warm, absorptive forebaffle extends skyward beyond the cryostat receiver (see Figure 3.2) to intercept stray light outside the designed field-of-view. It is mounted directly to the receiver and therefore comoving with ...
148
A limit on the polarization of the cosmic microwave background radiation
... dard models, the polarization signal peaks in the ` ∼ 600 region of the spectrum, and the likelihood analysis of the total intensity observations of the 08 h field show that on these rel[r] ...
308
Observation of Cosmic Microwave Background Polarization with BICEP
... limit. Background Imaging of Cosmic Extragalactic Polarization (B ICEP ) is a ground- based microwave polarimeter designed specifically to measure the B -mode of CMB polarization at degree angular ...
156
Comptonization of the cosmic microwave background by relativistic plasma
... T. A. Enßlin, C. R. Kaiser Max-Planck-Institut f¨ ur Astrophysik, Karl-Schwarzschild-Str.1, 85740 Garching, Germany Received 26 January 2000 / Accepted 20 June 2000 Abstract. We investigate the spectral distortion of the ...
15
Dark Energy Stars and the Cosmic Microwave Background
... the cosmic seed eventually lead to the production of primordial dark energy stars with masses −10 3 M O ...the cosmic seed, which accounts for the overall isotropy and homogeneity of the observable ...the ...
7
Balloon-borne Cosmic Microwave Background experiments
... 2 INFN Roma, Italy Abstract. Stratospheric balloon experiments play a unique role in current Cosmic Mi- crowave Background (CMB) studies. CMB research has entered a precision phase, har- vesting the ...
7
Peculiar Features in the Cosmic Microwave Background Radiation
... Wilkinson Microwave Anisotropy Probe (WMAP; Bennett et ...the cosmic microwave background (CMB), appear to confirm our key ideas on structure ...
111
Cosmic Neutrinos and their Detection
... 4. Cosmic rays can also lead to a net charge buildup on the torsion balance and spurious electrostatic ...This background can be reduced by several orders of magnitude by going ...magnetic background ...
6
A Search for Cosmic Microwave Background Anisotropies on Arcminute Scales
... This factor of 2.3 is due entirely to these correlations, and does not include the factor of 2 due to the fact that the map is real... Figure 6.1: The Bayesian likelihood given by Equati[r] ...
251
Cosmic microwave background science at commercial airline altitudes
... – cosmic background radiation – early ...the cosmic mi- crowave background (CMB) are central to two key goals of cos- mology: detecting primordial gravitational waves and robustly mea- suring ...
5
The Cosmic Microwave Background and the Big Bang Theory of the Universe
... But the nonuniformities of the universe that eventually caused matter to coalesce into stars and galaxies also left their mark on the cosmic background radiation. This is simple to understand in the ...
8
Constraints on sterile neutrinos as dark matter candidates from the diffuse X-ray background
... on sterile neutrino mass (Abaza- jian et ...that sterile neutrinos were absent in the early Universe at tempera- tures greater than a few ...of sterile neutrino, the mixing an- gle and the ...
6
Searches for sterile neutrinos at the DANSS experiment
... 3 Lebedev Physical Institute of the Russian Academy of Sciences, 53 Leninskiy Prospekt, Moscow 119991, Russia 4 Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region 141701, Russia ...
6
LiteBIRD: an all-sky cosmic microwave background probe of inflation
... the cosmic microwave background (CMB) to search for the signature of gravitational waves from inflation, potentially opening a window on the Universe a fraction of a second after the Big ...
17