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6 papers · 1 filter
Parity violation constraints using 2006-2007 QUaD CMB polarization spectra
QUaD Collaboration, E. Y. S. Wu, P. Ade +29
We constrain parity-violating interactions to the surface of last scattering using spectra from the QUaD experiment's second and third seasons of observations by searching for a po…
Magneto-thermal condensation modes including the effects of charged dust particles
Mohsen Shadmehri, Sami Dib
We study thermal instability in a magnetized and partially ionized plasma with charged dust particles. Our linear analysis shows that the growth rate of the unstable modes in the p…
The influence of winds on the time-dependent behavior of self-gravitating accretion discs
Mohsen Shadmehri
We study effects of winds on the time evolution of isothermal, self-gravitating accretion discs by adopting a radius dependent mass loss rate because of the existence of the wind.…
First season QUaD CMB temperature and polarization power spectra
QUaD Collaboration, P. Ade, J. Bock +27
QUaD is a bolometric CMB polarimeter sited at the South Pole, operating at frequencies of 100 and 150 GHz. In this paper we report preliminary results from the first season of oper…
Proper Motion Studies of Outflows from Classical T Tauri Stars
F. McGroarty, T. P. Ray, D. Froebrich
In a previous paper (McGroarty & Ray 2004, 420, 975) we examined the environment of a number of evolved low-mass young stars, i.e. Classical T Tauri Stars, to see if they are capab…
Archeops In-flight Performance, Data Processing and Map Making
J. F. Macias-Perez, G. Lagache, B. Maffei +69
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave B…