Karlsruhe 2011 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 104: Niederenergie-Neutrinophysik/Suche nach dunkler Materie I

T 104.8: Vortrag

Montag, 28. März 2011, 18:40–18:55, 30.95: 121

Borexino : New results on the solar 8B-neutrino flux and outlook on pep- and CNO-neutrinos — •Quirin Meindl — TU München

Borexino is a 300t liquid-scintillator detector designed for the real-time detection of solar neutrinos in the sub-MeV energy range. The experiment is taking data since August 2007 and has published the first real-time spectral measurements of solar 7Be-neutrinos. Based on the statistics of 3 years, Borexino has recently achieved new results for the solar 8B-neutrinos, measuring this rate down to an unprecedented energy threshold of 3MeV. The measurements of the remaining solar neutrino fluxes of the pep-, CNO- and pp-neutrinos are currently under investigation. The talk will present the new 8B-neutrino results of Borexino and give an outlook on the current efforts on the measurements of the pep- and CNO-neutrinos.

This work is supported by funds of the Maier-Leibnitz-Laboratorium (Munich), the DFG, and the Excellence Cluster "Universe".