23-28 June 2014
Amsterdam
Europe/Zurich timezone

Indirect searches of Dark Matter from gamma-ray line signatures with the H.E.S.S. experiment

25 Jun 2014, 17:50
15m
Room 6 (Tuschinski Theatre)

Room 6

Tuschinski Theatre

Presentation Dark Matter Indirect Detection Dark Matter: Indirect Detection

Speaker

Mr Matthieu Kieffer (LPNHE Paris)

Description

Weakly Interacting Massive Particles (WIMPs) are currently one of the most popular hypotheses to answer the question of the nature of Dark Matter. Gamma-ray line signatures from self-annihilation of WIMPs can be detected at very-high energies by the H.E.S.S. imaging air Cherenkov telescope in observations of the Galactic Center (GC) region. In 2012, phase II of H.E.S.S. started with the addition of a 28 m Cherenkov telescope, lowering significantly the energy threshold and giving the possibility to cross-check recent claims of line-like features in Fermi/LAT data. In this contribution, results on line-like feature searches using a 112 h exposure of the GC obtained with the higher threshold phase I of H.E.S.S. will be reviewed, and analysis procedures and sensitivity estimates for line searches with H.E.S.S. phase II will be discussed.

Primary author

Mr Matthieu Kieffer (LPNHE Paris)

Presentation Materials