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Constraining Spinning Dust Parameters with the WMAP Five-Year Data
Gregory Dobler, Bruce T. Draine, Douglas P. Finkbeiner
We characterize spinning dust emission in the warm ionized medium by comparing templates of Galactic dust and Halpha with the 5-year maps from the Wilkinson Microwave Anisotropy Pr…
CMBPol Mission Concept Study: Prospects for polarized foreground removal
J. Dunkley, A. Amblard, C. Baccigalupi +28
In this report we discuss the impact of polarized foregrounds on a future CMBPol satellite mission. We review our current knowledge of Galactic polarized emission at microwave freq…
The Case for a 700+ GeV WIMP: Cosmic Ray Spectra from PAMELA, Fermi and ATIC
Ilias Cholis, Gregory Dobler, Douglas P. Finkbeiner +2
Multiple lines of evidence indicate an anomalous injection of high-energy e+- in the Galactic halo. The recent fraction spectrum from the Payload for Antimatter Matter Explor…
Nuclear scattering of dark matter coupled to a new light scalar
Douglas P. Finkbeiner, Tracy R. Slatyer, Neal Weiner
We consider the nuclear scattering cross section for the eXciting Dark Matter (XDM) model. In XDM, the Weakly Interacting Massive Particles (WIMPs) couple to the Standard Model onl…
A Theory of Dark Matter
Nima Arkani-Hamed, Douglas P. Finkbeiner, Tracy R. Slatyer +1
We propose a comprehensive theory of dark matter that explains the recent proliferation of unexpected observations in high-energy astrophysics. Cosmic ray spectra from ATIC and PAM…
CMB and 21-cm Signals for Dark Matter with a Long-Lived Excited State
Douglas P. Finkbeiner, Nikhil Padmanabhan, Neal Weiner
Motivated by the eXciting Dark Matter (XDM) model of Finkbeiner & Weiner, hypothesized to explain the 511 keV signal in the center of the Milky Way, we consider the CMB and 21-cm s…
The Milky Way Tomography with SDSS: II. Stellar Metallicity
Zeljko Ivezic, Branimir Sesar, Mario Juric +50
Using effective temperature and metallicity derived from SDSS spectra for ~60,000 F and G type main sequence stars (0.2<g-r<0.6), we develop polynomial models for estimating these…