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The COBE Far InfraRed Absolute Spectrophotometer (FIRAS) observations constitute an unbiased survey over the wavelength range from 100 μm to 1 cm over 99% of the sky. Improved calibration of the FIRAS instrument and the inclusion of all of the FIRAS data allow an improved signal to noise determination of the spectral lines by a factor of ∼ 2 over our previous results. The resolution is low (0.4...
The Far InfraRed Absolute Spectrophotometer (FIRAS) was built to measure the spectrum of diiuse emission from 1 to 100 cm ?1 , with particular attention to possible diierences between the spectrum of the cosmic microwave background radiation (CMBR) and a blackbody spectrum as small as 0.1% of the peak of the CMBR spectrum. The FIRAS has diierential inputs and outputs, a full beam external calib...
In this work we have compared the absolute temperature data of the CMB spectrum with models of CMB spectra distorted by a single or two heating processes at different cosmic times. The constraints on the fractional energy injected in the radiation field, ∆ǫ/ǫi, are mainly provided by the precise measures of the FIRAS instrument aboard the COBE satellite, while long wavelength measures are cruci...
Scott Horowitz, Brian Koepnick, Raoul Martin, Agnes Tymieniecki, Amanda A. Winburn, Seth Cooper, Jeff Flatten, David S. Rogawski, Nicole M. Koropatkin, Tsinatkeab T. Hailu, Neha Jain, Philipp Koldewey, Logan S. Ahlstrom, Matthew R. Chapman, Andrew P. Sikkema, Meredith A. Skiba, Finn P. Maloney, Felix R.M. Beinlich, Foldit Players, University of Michigan students, Zoran Popović, David Baker, Fir...
We have studied the implications of the new generation of CMB spectrum space experiments for our knowledge of the thermal history of the Universe. The combination of two experiments with the sensitivity and the frequency coverage jointly forseen for DIMES and FIRAS II will be able to greatly change our vision of the capability of the CMB spectrum information to constrain physical processes at d...
A s you know, four main bodies of evidence affirm the big bang: the dark sky, Hubble expansion, element abundances, and cosmic microwave background radiation (CMBR). Parts 1-4 of this series briefly examined these topics. [1-4] Here we say a few words about the window the CMBR offers into the very early universe, including a brief but crucial epoch of " inflation. " Recall that the CMBR was fir...
Tahani Neirukh ([email protected]) Ayda Qaisi ([email protected]) Niveen Saleh ([email protected]) Areej Abu Rmaileh ([email protected]) Eman Abu Zahriyeh ([email protected]) Lina Qurei ([email protected]) Firas Dajani ([email protected]) Taghreed Nusseibeh ([email protected]) Hatem Khamash ([email protected]) Sabri Baraghithi ([email protected]) M...
These notes discuss limit distributions and variance bounds for particle current in several systems of particles on the one-dimensional integer lattice: independent random walks, independent random walks in a random environment, the random average process, the asymmetric simple exclusion process, and a class of zero range processes. The text is based on collaborations with Márton Balázs, Mathew...
Tyler P. Rasmussen, MD, PhD, Gary Goldsmith, RT, Firas Zahr, MD, Jay K. Bhama, MD, Prashant D. Bhave, MD, FHRS From the Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, and Division of Cardiothoracic Surgery, Depart...
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