Julia Becker at the IceCube meeting in Berlin
IceCube is the most suitable instrument for observing neutrinos from astrophysical plasmas. The measurement of neutrinos is essential for understanding the structure of shocked plasmas that occur, for example, in supernova remnants, active galaxies, and gamma ray bursts. IceCube members meet every six months to discuss the status of the experiment, new analysis techniques, and the development of theoretical models of neutrino emission. As part of the Research Department, Jun.-Prof. Dr. Julia Becker's group participated in the meeting in Berlin (September 19-25, 2009). Here, Dr. Jens Dreyer was able to give a talk on the progress of his analysis on point source stacking and discuss both his analysis and the underlying theoretical models with other members of IceCube, including those from the USA, New Zealand, Japan, Switzerland, Sweden, Belgium, and Germany. Martino Olivo gave two talks on neutrino production in Gamma Ray Burst. A publication, also based on discussions that have been held in Berlin at the meeting, has now been submitted to "The Astrophysical Journal". For this, special discussions were held with Prof. Francis Halzen, head of the IceCube experiment. Julia Becker was Chair for the sessions on neutrino emission from Gamma Ray Bursts and was able to have further discussions on neutrino production in shocked plasmas with various members of IceCube.