Measurement of the pep and CNO Solar Neutrino Interaction Rates in Borexino

Davini, S.

doi:10.1007/978-3-319-01213-1

Cited by 1 publication

(1 citation statement)

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“…High-efficiency, low deadtime rejection of cosmogenic 11 C is of paramount importance in the medium energy (∼1-2 MeV) range of the spectrum, where pep and the lowest-energy 8 B neutrinos lie. The Three-Fold Coincidence (TFC) selection algorithm [16] is therefore considered another pivotal element, which continues to be improved and better characterized.…”

Section: Pos(hql 2016)006mentioning

confidence: 99%

The Borexino & SOX experiments

Bravo¹,

Borexino²

2017

Proceedings of XIII International Conference on Heavy Quarks and Leptons — PoS(HQL 2016)

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Building upon its highly successful Phase I (2007)(2008)(2009)(2010) results -which demonstrated the unprecedented radiopurity and precision levels reached, through the measurement of all but two of the solar neutrino components-the Borexino neutrino observatory is producing new measurements with its Phase II (2012-present day) dataset, started after very successful calibration (2009-10) and scintillator purification (2010-11) campaigns. A new geo-neutrino flux measurement, and searches for electric charge conservation violation and GRB-correlated neutrino events lead the way in a path that will see a unified, wideband solar neutrino spectroscopy analysis with the more radiopure Phase II statistics and new data selection techniques. Furthermore, the recently-completed Borexino Thermal Management and Monitoring System (BTMMS) represents a critical detector hardware upgrade which, together with complementary numerical fluidodynamic simulations, enables us to keep watch and correct temperature excursions. At the extremely low levels of background concentration currently seen in the Fiducial Volume (FV), these may otherwise have yielded problematic fluid mixing from less radiopure, peripheral scintillator areas. Finally, a new detector-wide calibration campaign is in its final stages of preparation, just ahead of the transition to the SOX program, which will see the deployment of a ∼150 kCi 144 Ce-144 Pr source in a pit under the detector, with the aim of studying anomalous short-distance ν e oscillation effects starting in 2018.

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Section: Pos(hql 2016)006mentioning

confidence: 99%