microwave cosmic background radiation
A limit on the polarization of the cosmic microwave background radiation
... The latter set of tests is unique to this analysis; for total intensity observations we must consider the effects of errors in the gain amplitude GA and gain phase Gφ on the results, but[r] ...
308
Ultra High Energy Cosmic Rays: Origin, Composition and Spectrum
... (CMB, Cosmic Microwave Background, and EBL, Extragalactic Background Light) shape the spectrum of UHECR observed at the Earth and are also responsible for the production of secondary ...
6
Transformation of the Angular Power Spectrum of the Cosmic Microwave Background (CMB) Radiation into Reciprocal Spaces and Consequences of This Approach
... ict radiation into a special two-fold reciprocal space it was possible to propose a simple and general description of the interaction of relict photons with the matter ...
17
A Search for Cosmic Microwave Background Anisotropies on Arcminute Scales
... residual cosmic microwave background (CMB) radiation that is nearly isotropic with a blackbody temperature of ≃ 5 K ...This background radiation was finally detected in 1965 by ...
251
Probing The Cosmic Microwave Background Radiation With Actpol: A Millimeter-Wavelength, Polarization-Sensitive Receiver For The Atacama Cosmology Telescope
... the Cosmic Microwave Background measure, since what we are describing here are ideal CMB temperature and polarization signals detected without interaction with any structure throughout the expansion ...
526
Fully Bayesian source separation with application to the cosmic microwave background
... the microwave radiation maps to be obtained by the satellite mission Planck which has the objective of uncovering cosmic microwave background ...
12
Exploring The Universe With The Atacama Cosmology Telescope: Polarization-Sensitive Measurements Of The Cosmic Microwave Background
... - far too great of an effect, especially when compounded over all three lenses. The use of a properly designed anti-reflective coating (such as that described in the previous section) was therefore of great importance. ...
170
The Derivation of the Cosmic Microwave Background Radiation Peak Spectral Radiance, Planck Time, and the Hubble Constant from the Neutron and Hydrogen
... observable cosmic phenomena including black holes are directly related to the single unifying force of ...maximum cosmic ray energy will represent another harmonic fraction scaled by gravity as ...
14
A High Resolution Measurement of Temperature Anisotropies in the Cosmic Microwave Background Radiation with the Complete ACBAR Data Set
... The performance of the filter stack that sets the upper edge of band-pass is critical to ACBAR’s success. Hitting the water line at 183 GHz would be catastrophic. Two different filter stacks were used for the 150 GHz ...
158
A Comparative Study of Modern Theories of Universe
... Out of the four modern theories of universe two are obsolete now, Static Theory and Steady State Theory, because we have very strong evidences which prove them wrong. Intergalactic redshift, Radio sources count, ...
9
Planck 2015 results XIX Constraints on primordial magnetic fields
... Other constraints on PMFs come from their impact on the thermal spectrum of the cosmic microwave background (CMB) radiation. PMFs can induce spectral distortions of both early and late type ...
27
Elsner, Franz (2010): Search for non-Gaussian Signatures in the Cosmic Microwave Background Radiation. Dissertation, LMU München: Fakultät für Physik
... bars will in general not agree exactly between the two approaches, even for a Gaussian data set. The frequentist estimator is unbiased with respect to all possible realizations of signal and noise. The error bars, ...
145
The Quasi Steady State Cosmology in a Radiation Dominated Phase
... The cosmic microwave background is considered to be left over radiation from the big bang or the time when the universe began ...of radiation dominated universe differs from the matter ...
13
Separation of Correlated Astrophysical Sources Using Multiple-Lag Data Covariance Matrices
... the microwave and millimeter-wave range, the dominant ra- diations are the cosmic microwave background, the galactic dust, the free-free emission and the synchrotron (see ...the cosmic ...
13
Deviation from Standard Inflationary Cosmology and the Problems in Ekpyrosis
... In a previous paper [17], henceforth “ACW,” the possibility that rotational invari- ance was violated by a small amount during the inflationary era was explored (see also [18, 19, 20, 21, 22, 23, 24]). ACW suggested a ...
89
Dark Energy Stars and the Cosmic Microwave Background
... the cosmic seed rapidly evolves into a Friedmann-like universe containing dark energy stars and radiation which in fact strongly resembles the standard cosmological model ...the cosmic seed the ...
7
Studying Heavy Ion Collisions Using Methods From Cosmic Microwave Background (CMB) Analysis
... single cosmic event that we have at our disposal, our Universe, through the cosmic microwave background (CMB) radia- tion which carries the imprint of the conditions prevailing in the Universe ...
9
Data analysis of and results from observations of the cosmic microwave background with the Cosmic Background Imager
... More problematic is the signal due to diffuse galactic foregrounds, such as synchotron radiation or bremsstrahlung. The major difficulty is they are rather poorly understood on the small scales and high ...
167
Observation of Cosmic Microwave Background Polarization with BICEP
... Experiments are now actively pursuing the CMB polarization anisotropies, which encode information about the universe’s history long before the moment of matter– radiation decoupling. The polarization of the CMB ...
156
Measuring the Polarization of the Cosmic Microwave Background with BICEP3
... Two additional nylon filters are placed in the 4 K stage of the receiver to reduce thermal loading on the sub-Kelvin focal plane by absorbing infrared radiation. The dominant noise source in Bicep3 is the photon ...
148