Speaker
Valentin lefranc
(CEA)
Description
The presence of dark matter in the Universe is nowadays widely supported by a large body of astronomical and cosmological observations. One of the best target to look for dark matter self-annihilation into very high energy gamma-rays is the Galactic center region. A search for such emission is performed with the ground-based H.E.S.S. array of Cherenkov telescopes toward the central 150 parsecs around the Galactic center. Constraints are derived on the velocity-weighted annihilation cross section thanks to a 2D likelihood method using both spectral and spatial morphologies of signal and background. Combining this new data analysis method together with the new second-phase, 5-telescope array performances, searches for annihilating dark matter with H.E.S.S. observations are presented.
| Registration number following "ICRC2015-I/" | 1210 |
|---|---|
| Collaboration | H.E.S.S. |
Author
Valentin lefranc
(CEA)
Co-author
Emmanuel Moulin
(CEA)
