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          Institute: MPI für Kernphysik     Collection: Neutrino Physics     Display Documents



  history
ID: 394855.1, MPI für Kernphysik / Neutrino Physics
Search for electron antineutrino interactions with the Borexino Counting Test Facility at Gran Sasso
Authors:Heusser, Gerd; Schönert, Stefan; Simgen, Hardy; Zuzel, Grzegorz
Language:English
Corporate body:for the Borexino Collaboration
Date of Publication (YYYY-MM-DD):2006-05-19
Title of Journal:The European Physical Journal C
Journal Abbrev.:Eur. Phys. J. C
Volume:47
Start Page:21
End Page:30
Review Status:not specified
Audience:Experts Only
Abstract / Description:Electron antineutrino interactions above the inverse beta decay energy of protons (E¯νe >
1.8MeV) were looked for with the Borexino counting test facility (CTF). One candidate event survived after
rejection of background, which included muon-induced neutrons and random coincidences. An upper limit
on the solar ¯νe flux, assumed having the 8B solar neutrino energy spectrum, of 1.1×105 cm−2s−1 (90%
C.L.) was set with a 7.8 ton × year exposure. This upper limit corresponds to a solar neutrino transition
probability, νe → ¯νe, of 0.02 (90% C.L.). Predictions for antineutrino detection with Borexino, including
geoneutrinos, are discussed on the basis of background measurements performed with the CTF.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group of M. Lindner
External Affiliations:1 INFN Laboratori Nazionali del Gran Sasso, SS 17 bis Km 18+910, 67010 Assergi(AQ), Italy
2 Dipartimento di Fisica Universit`a and INFN, Milano, Via Celoria, 16 20133 Milano, Italy
3 Department of Chemical Engineering, A-217 Engineering Quadrangle, Princeton NJ 08544-5263, USA
4 Department of Physics, Princeton University, Jadwin Hall, Washington Rd, Princeton NJ 08544-0708, USA
5 Technische Universit¨at M¨unchen, James Franck Strasse, E15 85747, Garching, Germany
6 Astroparticule et Cosmologie APC, Coll`ege de France, 11 place Marcelin Berthelot, 75231 Paris Cedex 05, France
7 Joint Institute for Nuclear Research, 141980 Dubna, Russia
8 RRC Kurchatov Institute, Kurchatov Sq.1, 123182 Moscow, Russia
10 Kiev Institute for Nuclear Research, 29 Prospekt Nauki 06380 Kiev, Ukraine
11 Dipartimento di Fisica Universit`a and INFN, Genova, Via Dodecaneso,33 16146 Genova, Italy
12 Dipartimento di Chimica Universit`a, Perugia, Via Elce di Sotto, 8 06123, Perugia, Italy
13 Physics Department, Virginia Polytechnic Institute and State University, Robeson Hall, Blacksburg, VA 24061-0435, USA
14 M. Smoluchowski Institute of Physics, Jagellonian University, 30059 Krakow, Poland
Identifiers:DOI:10.1140/epjc/s2006-02560-4
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