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Water purification in Borexino
International Journal of Modern Physics A, 2014Water Purification is often an important methodological tool in low radioactivity experiments. A variety of techniques have been exploited in the frame of the Borexino experiment to the goal of using water as a high purity shielding and as a reagent for cleaning and purification processes. This paper describes the water purification strategies and the
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The outer detector of Borexino
International Journal of Modern Physics A, 2014The performance of the Borexino Outer Detector is described. It is a large water Cherenkov detector for identifying cosmic muons, penetrating the whole detector system. The Outer Detector is important for tagging cosmic muon generated background events in Borexino.
M. Göger-Neff +3 more
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Neutrino physics with Borexino
Progress in Particle and Nuclear Physics, 2011Abstract Solar neutrinos have been detected over the past 40 years, providing the first evidence of physics beyond the Standard Model for elementary particle interactions. The hypothesis of neutrino oscillations has offered a solution to the long-standing solar neutrino problem (missing solar neutrinos).
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Low Energy Solar Neutrino Detection, 2002
MARCO G. GIAMMARCHI, LINO MIRAMONTI
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MARCO G. GIAMMARCHI, LINO MIRAMONTI
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International Journal of Modern Physics A, 2014
The signal produced in Borexino by solar neutrinos interacting in the liquid scintillator has no particular signatures that allow to distinguish it from the background on a event-by-event basis. I recall the main features of the analysis method and, in particular, I describe three procedures that have been particularly implemented in Borexino and that
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The signal produced in Borexino by solar neutrinos interacting in the liquid scintillator has no particular signatures that allow to distinguish it from the background on a event-by-event basis. I recall the main features of the analysis method and, in particular, I describe three procedures that have been particularly implemented in Borexino and that
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BOREXINO: the technical description
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2001Abstract The BOREXINO apparatus is currently under construction in the Hall C of the LNGS underground labs. BOREXINO is a low-background detector to study the sub-MeV solar neutrino events (mainly 7 Be) making use of a well-shielded ultrapure scintillator.
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The optical system in Borexino
International Journal of Modern Physics A, 2014Borexino detector is composed of 2214 photomultipliers (PMTs) collecting the scintillation light produced by the liquid scintillator. Phototubes are partially immersed in the scintillator and partially in high purity water. A proper electrical and mechanical selection of the devices as well as a custom-made encapsulation was mandatory for a long-term ...
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2001
Experiment Borexino, that is now under construction at the Gran Sasso laboratory in Italy, is devoted to provide the first direct measurement of the solar Be-7 neutrinos. It is expected to start data taking at the end of 2001. In this paper a brief description of its status and construction phases is given.
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Experiment Borexino, that is now under construction at the Gran Sasso laboratory in Italy, is devoted to provide the first direct measurement of the solar Be-7 neutrinos. It is expected to start data taking at the end of 2001. In this paper a brief description of its status and construction phases is given.
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The Borexino purification system
International Journal of Modern Physics A, 2014Purification of 278 tons of liquid scintillator and 889 tons of buffer shielding for the Borexino solar neutrino detector is performed with a system of combined distillation, water extraction, gas stripping and filtration. The purification system removed K , U and Th by distillation of the pseudocumene solvent and the PPO fluor.
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