951 citations
- University of OxfordGB51 papers
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6 papers · 1 filter
The VIMOS VLT Deep Survey: the contribution of minor mergers to the growth of L_B >= L*_B galaxies since z ~ 1 from spectroscopically identified pairs
C. López-Sanjuan, O. Le Fèvre, L. de Ravel +14
In this work we measure the merger fraction, f_m, of L_B >= L*_B galaxies in the VVDS-Deep spectroscopic Survey. We define kinematical close pairs as those galaxies with a separati…
Scale-Dependent Non-Gaussianity as a Generalization of the Local Model
Adam Becker, Dragan Huterer, Kenji Kadota
We generalize the local model of primordial non-Gaussianity by promoting the parameter fNL to a general scale-dependent function fNL(k). We calculate the resulting bispectrum and t…
On the squeezed limit of the bispectrum in general single field inflation
Sébastien Renaux-Petel
We investigate the consistency relation relating the squeezed limit of the bispectrum to the scalar spectral index in single field models of inflation. We give a simple integral fo…
Black Holes in our Galactic Halo: Compatibility with FGST and PAMELA Data and Constraints on the First Stars
Pearl Sandick, Juerg Diemand, Katherine Freese +1
10 to 10^5 solar mass black holes with dark matter spikes that formed in early minihalos and still exist in our Milky Way Galaxy today are examined in light of recent data from the…
Nuclear Reaction Uncertainties, Massive Gravitino Decays and the Cosmological Lithium Problem
Richard H. Cyburt, John Ellis, Brian D. Fields +3
We consider the effects of uncertainties in nuclear reaction rates on the cosmological constraints on the decays of unstable particles during or after Big-Bang nucleosynthesis (BBN…
Compatibility of DAMA/LIBRA dark matter detection with other searches in light of new Galactic rotation velocity measurements
Christopher Savage, Katherine Freese, Paolo Gondolo +1
The DAMA/NaI and DAMA/LIBRA annual modulation data, which may be interpreted as a signal for the existence of weakly interacting dark matter (WIMPs) in our galactic halo, are re-ex…