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17 papers · 1 filter
THINGS about MOND
G. Gentile, B. Famaey, W. J. G. de Blok
We present the analysis of 12 high-resolution galactic rotation curves from The HI Nearby Galaxy Survey (THINGS) in the context of modified Newtonian dynamics (MOND). These rotatio…
Photon spectra from quark generation by WIMPs
J. A. R. Cembranos, A. de la Cruz-Dombriz, A. Dobado +2
In this work we provide the fitting formula valid for the simulated photon spectra from WIMP annihilation into light quark-anti quark (qq-) channels in a wide range of WIMP masses.…
The Wall of Fundamental Constants
Keith A. Olive, Marco Peloso, Jean-Philippe Uzan
We consider the signatures of a domain wall produced in the spontaneous symmetry breaking involving a dilaton-like scalar field coupled to electromagnetism. Domains on either side…
Laboratory constraints on chameleon dark energy and power-law fields
Jason H. Steffen, Amol Upadhye, Al Baumbaugh +5
We report results from the GammeV Chameleon Afterglow Search---a search for chameleon particles created via photon/chameleon oscillations within a magnetic field. This experiment i…
Anomalous coupling of scalars to gauge fields
Philippe Brax, Clare Burrage, Anne-Christine Davis +2
We study the transformation properties of a scalar-tensor theory, coupled to fermions, under the Weyl rescaling associated with a transition from the Jordan to the Einstein frame.…
(Pseudo)Scalar Charmonium in Finite Temperature QCD
C. A. Dominguez, M. Loewe, J. C. Rojas +1
The hadronic parameters of pseudoscalar () and scalar () charmonium are determined at finite temperature from Hilbert moment QCD sum rules. These parameters are the hadro…