Internal Pair Production Associated with the Emission of High-Energy Gamma Rays

1955 ◽  
Vol 98 (5) ◽  
pp. 1355-1359 ◽  
Author(s):  
Norman M. Kroll ◽  
Walter Wada
Keyword(s):  
Pair Production ◽  
Gamma Rays ◽  
High Energy ◽  
High Energy Gamma ◽  
Energy Gamma

scholarly journals Time-dependent absorption of very high-energy gamma-rays from the Galactic center by pair-production

2008 ◽  
Author(s):  
Attila Abramowski ◽  
Dieter Horns ◽  
Stefan Gillessen ◽  
Joachim Ripken ◽  
Christopher van Eldik ◽  
...  
Keyword(s):  
Pair Production ◽  
Gamma Rays ◽  
Galactic Center ◽  
High Energy ◽  
Time Dependent ◽  
High Energy Gamma ◽  
Very High Energy ◽  
Energy Gamma ◽  
Dependent Absorption ◽  
Very High

scholarly journals Unpulsed High-Energy Radiation from the Crab Pulsar and Nebula

1994 ◽  
Vol 142 ◽  
pp. 827-831
Author(s):  
W. M. Cheung ◽  
K. S. Cheng
Keyword(s):  
Pair Production ◽  
Gamma Rays ◽  
Crab Nebula ◽  
High Energy ◽  
Local Magnetic Field ◽  
X Rays ◽  
High Energy Gamma ◽  
Light Cylinder ◽  
Energy Gamma ◽  
Individual Crab

AbstractGenerally, people believe that the unpulsed high-energy gamma rays from the direction of Crab Nebula and pulsar comes from the nebula. But it is entirely possible that the unpulsed high-energy gamma rays from the direction of the Crab Nebula and pulsar are actually emitted from a region extending to a couple of light cylinder radii from the pulsar instead of from the extensive nebula. In this conference paper, we study the possibility that the unpulsed high-energy gamma rays from 100 MeV to 10 GeV are emitted from the extensive nebula. In our model, two pulsed photon beams from two different outer gaps cross each other beyond the light cylinder and result in pair production. Since the pitch angles of these pairs do not correlate with the local magnetic field, and the typical mean free path for pair production is comparable to the local radius of curvature, the subsequent synchrotron radiation and inverse-Compton scattering produce unpulsed X-rays and gamma-rays respectively.Subject headings: acceleration of particles — gamma rays: theory — ISM: individual (Crab Nebula) — pulsars: individual (Crab) — radiation mechanisms: nonthermal

Quasi-monochromatic and polarized high-energy gamma rays

1964 ◽  
Vol 83 (5) ◽  
pp. 3-34 ◽  
Author(s):  
F.R. Arutyunyan ◽  
V.A. Tumanyan
Keyword(s):  
Gamma Rays ◽  
High Energy ◽  
High Energy Gamma ◽  
Energy Gamma

High-energy gamma rays emission in coincidence with light charged particles from the32S +74Ge reaction at 210 MeV

1996 ◽  
Vol 355 (1) ◽  
pp. 35-39 ◽  
Author(s):  
F. Lucarelli ◽  
N. Gelli ◽  
P. Blasi ◽  
M. Cinausero ◽  
E. Fioretto ◽  
...  
Keyword(s):  
Gamma Rays ◽  
Charged Particles ◽  
High Energy ◽  
High Energy Gamma ◽  
Energy Gamma ◽  
Light Charged Particles
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