Particle theory

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Searching for a 0.1-1 keV Cosmic Axion Background

(2013)

Authors:

Joseph P Conlon, MC David Marsh

Heterotic Calabi-Yau Compactifications with Flux

(2013)

Authors:

Michael Klaput, Andre Lukas, Eirik Eik Svanes

Retrofitted natural supersymmetry from a U(1)

Journal of High Energy Physics Springer Nature 2013:5 (2013) 120

Authors:

Edward Hardy, John March-Russell

Energy Correlation Functions for Jet Substructure

(2013)

Authors:

Andrew J Larkoski, Gavin P Salam, Jesse Thaler

The unbearable lightness of being: CDMS versus XENON

ArXiv 1304.6066 (2013)

Authors:

Mads T Frandsen, Felix Kahlhoefer, Christopher McCabe, Subir Sarkar, Kai Schmidt-Hoberg

Abstract:

The CDMS-II collaboration has reported 3 events in a Si detector, which are consistent with being nuclear recoils due to scattering of Galactic dark matter particles with a mass of about 8.6 GeV and a cross-section on neutrons of about 2 x 10^-41 cm^2. While a previous result from the XENON10 experiment has supposedly ruled out such particles as dark matter, we find by reanalysing the XENON10 data that this is not the case. Some tension remains however with the upper limit placed by the XENON100 experiment, independently of astrophysical uncertainties concerning the Galactic dark matter distribution. We explore possible ways of ameliorating this tension by altering the properties of dark matter interactions. Nevertheless, even with standard couplings, light dark matter is consistent with both CDMS and XENON10/100.