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Light WIMP Searches: The Effect of the Uncertainty in Recoil Energy Scale and Quenching Factor
Light WIMP Searches Recoil Energy Scale
2011/1/11
Taking liquid xenon detectors as a case study, the importance of a robust recoil energy calibration as a prerequisite to a search for light-mass Weakly Interacting Massive Particles (WIMPs) is emphasi...
Chemical abundance ratios of galactic globular clusters from modelling integrated light spectroscopy
galactic globular clusters light spectroscopy
2011/1/10
We use our new, flux-calibrated stellar population model of absorption-line indices to derive ages, metallicities, and various element abundance ratios from integrated light spectroscopy of galactic g...
Diffuse light and galaxy interactions in the core of nearby clusters
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
The kinematics of the diffuse light in the densest regions of the nearby clusters can be unmasked using the planetary nebulae (PNs) as probes of the stellar motions.
Calcium and light-elements abundance variations from high resolution spectroscopy in globular clusters
abundances stars evolution globular clusters general
2010/3/8
We use abundances of Ca, O, Na, Al from high resolution UVES spectra of 200 red giants in 17 globular clusters (GCs) to investigate the correlation found by Lee et al. (2009) between chemical enrichme...
Luke-warm dark matter: Bose-condensation of ultra-light particles
Luke-warm dark matter ultra-light particles
2010/3/8
We discuss the thermal evolution and Bose condensation of ultra-light scalar particles with Compton wavelength of galactic scales. We find an upper bound of 1.5 K for the dark matter temperature from ...