A5084060620- Neutrino Physics Research
- Astrophysics and Cosmic Phenomena
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Aalto University
2023
Technical University of Munich
2010
Excellence Cluster Universe
2010
University of Oulu
2000-2009
Helsinki Institute of Physics
1989-1999
University of Helsinki
1989-1999
Scuola Internazionale Superiore di Studi Avanzati
1995-1996
Universitat de València
1992-1993
Instituto de Física Corpuscular
1992-1993
The conclusions of the Physics Working Group international scoping study a future Neutrino Factory and super-beam facility (the ISS) are presented. ISS was carried by community between NuFact05, 7th International Workshop on Factories Superbeams, Laboratori Nazionali di Frascati, Rome, June 21-26, 2005) NuFact06 (Ivine, California, 24{30 August 2006). physics case for an extensive experimental programme to understand properties neutrino is presented role high-precision measurements...
This document reports on a series of experimental and theoretical studies conducted to assess the astro-particle physics potential three future large-scale particle detectors proposed in Europe as next generation underground observatories. The apparatus employ different and, some extent, complementary detection techniques: GLACIER (liquid Argon TPC), LENA scintillator) MEMPHYS (\WC), based use large mass liquids active media. results these are presented along with critical discussion...
We discuss the effects of resonant $\nu_e \to \nu_s$ and $\bar{\nu}_e \bar{\nu}_s$ ($\nu_s$ is a sterile neutrino) conversions in dense medium supernova. In particular, we assume neutrino $\nu_s$ to be hot dark matter few eV mass range. The implications such scenario for supernova shock re-heating, detected $\bar\nu_e$ signal from SN1987A r-process nucleosynthesis hypothesis are analysed some detail. resulting constraints on mixing difference $\nu_e-\nu_s$ system derived. There also an...
This report summarises the conclusions from detector group of International Scoping Study a future Neutrino Factory and Super-Beam neutrino facility. The baseline options for each possible beam are defined as follows:
We study the spin-flavor transitions of neutrinos, \ensuremath{\nu}${\mathrm{\ifmmode\bar\else\textasciimacron\fi{}}}_{\mathit{e}}$-${\ensuremath{\nu}}_{\mathrm{\ensuremath{\mu}}}$, ${\ensuremath{\nu}}_{\mathit{e}\mathrm{\ensuremath{-}}}$\ensuremath{\nu}${\mathrm{\ifmmode\bar\else\textasciimacron\fi{}}}_{\mathrm{\ensuremath{\mu}}}$, etc., in magnetic fields a collapsing star. For neutrino mass squared difference...
A large-volume liquid scintillator can be used as a tracking detector to measure high-energy neutrino events, like atmospheric neutrinos and beams. The lepton flavor recognition is almost absolute above 1 GeV. energy resolution 2--5 %, the main uncertainties coming from nuclear physics poorly recognized hadrons. At GeV scale antineutrinos may statistically distinguishable by neutron proton signals.
Abstract When studying the results of key comparisons spectral quantities, it appears that in many cases participants’ systematically deviate from comparison reference values over a limited range. We carried out analysis such deviations seven optical radiometry. The reveal an approximate outcome that, on average, each harmonic amplitude is inversely proportional to order all studied comparisons. This new finding gives important information characteristics correlations. result can be used...
Views Icon Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Twitter Facebook Reddit LinkedIn Tools Reprints and Permissions Cite Search Site Citation R. Möllenberg, F. von Feilitzsch, M. Göger‐Neff, D. Hellgartner, T. Lewke, Q. Meindl, L. Oberauer, J. Peltoniemi, W. Potzel, Tippmann, Winter, Wurm; Reconstruction of GeV Neutrino Events in LENA. AIP Conf. Proc. 6 October 2011; 1382 (1): 141–143. https://doi.org/10.1063/1.3644294 Download citation file: Ris...
We study the beamline properties of a long baseline neutrino-oscillation experiment from CERN to Pyhasalmi Mine in Finland. obtain real density profile for this particular neutrino oscillation by applying geophysical data. The effects matter oscillations are considered. Also we compare realistic with that acquired PREM model.
Neutrino oscillations from a wide band beam of 1-6 GeV at CERN to LENA, 50 kton liquid scintillator, Pyhasalmi mine 2288 km apart are simulated. The performance is very promising and this can be considered as realistic alternative for the next long baseline experiment. Different factors baselines compared studied setup found sufficiently close optimum.