High Energy Gamma Rays From Centaurus a

NAREK SAHAKYAN1, RUIZHI YANG2, FRANK RIEGER3, FELIX AHARONIAN3,4, EMMA DE ONA-WILHELMI5 1ICRANet-Yerevan, Marshall Baghramian Avenue, 24, Yerevan 0019, Republic of Armenia and ICRANet, Piazza della Repubblica 10, I-65122 Pescara, Italy narek@icra.it 2 Key Laboratory of Dark Matter and Space Astronomy, CAS, Nanjing, 210008, China 3 Max-Planck-Institut fur Kernphysik, P.O. Box 103980, 69029 Heidelberg, Germany 4 Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, Dublin 2, Ireland 5 Institut de Cincies de l’Espai (IEEC-CSIC), Barcelona 08193, Spain