Speaker
Mr
Chang Dong Rho
(University of Rochester)
Description
Astrophysical sources of high-energy radiation such as AGN and microquasars produce relativistic jets. Particle acceleration in jets is theoretically well-motivated, but direct evidence of acceleration in jets has not been observed above a few TeV. Using 33 months of data from HAWC, we present evidence for the production of gamma rays >10 TeV in the jets of SS 433, one of the most powerful microquasars in the galaxy. The very high-energy gamma rays imply the presence of a population of charged particles with energies extending to hundreds of TeV, and possibly to PeV. The gamma-ray measurements also allow us to address several open questions about this system, such as the composition of the jets, the origin of the high-energy radiation, and the strength of the magnetic field.
Primary author
Mr
Chang Dong Rho
(University of Rochester)
Co-authors
Dr
Brenda Dingus
(Los Alamos National Laboratory)
Dr
Hao Zhou
(Los Alamos National Laboratory)
Dr
Haocheng Zhang
(Purdue University)
Dr
Ke Fang
(University of Maryland)
Dr
Segev BenZvi
(University of Rochester)
