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astro-ph2008
Studying the continuum spectrum of the parsec scale jets by multi-frequency VLBI measurements
T. Savolainen, K. Wiik, E. Valtaoja +1
Multi-frequency VLBI observations allow studies of the continuum spectrum in the different parts of the parsec scale jets of AGN, providing information on the physical properties o…
astro-ph2007★ 316 cited
Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01
01 Collaboration
A measurement of the cosmic ray positron fraction e+/(e+ + e-) in the energy range of 1-30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during…