Muon and cosmogenic neutron detection in Borexino G. Bellini et al 2011 JINST 6 P05005 Journal of Instrumentation, Volume 6, May 2011 Published 11 May 2011 doi:10.1088/1748-0221/6/05/P05005 (preprint on arXiv) Abstract Borexino, a liquid scintillator detector at LNGS, is designed for the detection of neutrinos and
Study of solar and other unknown anti-neutrino fluxes with Borexino at LNGS
Study of solar and other unknown anti-neutrino fluxes with Borexino at LNGS Physics Letters B Volume 696, Issue 3, 31 January 2011, Pages 191-196 doi:10.1016/j.physletb.2010.12.030 (local copy, preprint on arXiv) Abstract We report on the search for anti-neutrinos of yet
Positronium signature in organic liquid scintillators for neutrino experiments
Positronium signature in organic liquid scintillators for neutrino experiments D. Franco, G. Consolati, and D. Trezzi Phys. Rev. C 83, 015504 Published 27 January 2011 [6 pages] doi: 10.1103/PhysRevC.83.015504 Preprint: arXiv:1011.5736 Abstract Electron antineutrinos are commonly detected in liquid scintillator experiments
Measurement of the solar 8B neutrino rate with a liquid scintillator target and 3 MeV energy threshold in the Borexino detector
Measurement of the solar 8B neutrino rate with a liquid scintillator target and 3 MeV energy threshold in the Borexino detector G. Bellini et al. (Borexino Collaboration) Phys. Rev. D 82, 033006 – Published 5 August 2010 doi:10.1103/PhysRevD.82.033006 (local copy; preprint on arXiv) Abstract
Borexino gets a first look inside the Earth
Borexino gets a first look inside the Earth (CERN Courier, 5 May 2010) The Borexino Collaboration has announced the observation of geoneutrinos at the underground Gran Sasso National Laboratory of the Italian Institute for Nuclear Physics (INFN). The data reveal,
Observation of Geo-Neutrinos
Observation of Geo-Neutrinos Physics Letters B Volume 687, Issues 4–5, 19 April 2010, Pages 299-304 doi:10.1016/j.physletb.2010.03.051 (local copy; preprint on arXiv) Italian press coverage of our Geo-Neutrino research (partial list): “Le particelle che arrivano dal centro della Terra” from ANSA
New experimental limits on the Pauli-forbidden transitions in 12C nuclei obtained with 485 days Borexino data
New experimental limits on the Pauli-forbidden transitions in 12C nuclei obtained with 485 days Borexino data G. Bellini et al. (Borexino Collaboration) Phys. Rev. C 81, 034317 – Published 29 March 2010 doi:10.1103/PhysRevC.81.034317 (local copy; preprint on arXiv) Abstract The Pauli exclusion principle
Nuclear physics for geo-neutrino studies
Nuclear physics for geo-neutrino studies Gianni Fiorentini, Aldo Ianni, George Korga, Marcello Lissia, Fabio Mantovani, Lino Miramonti, Lothar Oberauer, Michel Obolensky, Oleg Smirnov, and Yury Suvorov Phys. Rev. C 81, 034602 – Published 4 March 2010 doi: 10.1103/PhysRevC.81.034602 [local copy]
The liquid handling systems for the Borexino solar neutrino detector
The liquid handling systems for the Borexino solar neutrino detector Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment NIM-A Volume 609, Issue 1, 1 October 2009, Pages 58-78 doi:10.1016/j.nima.2009.07.028 (local copy) Submitted 10
Borexino homes in on neutrino oscillations
Borexino homes in on neutrino oscillations (CERN Courier) Experiment at Gran Sasso provides key evidence for the solar-neutrino problem. The mystery of the “missing” solar neutrinos arose in the 1970s when the pioneering experiment by Raymond Davis and colleagues in the Homestake
Apr 06, 2009: Dramatic earthquake hit Abruzzo
On April 6, 2009, at 03:32 a.m. local time, a strong earthquake (Ml = 5.8; Mw = 6.2) struck the town of L’Aquila and its surroundings. As is well known, the earthquake had dramatic consequences: more than 300 victims, thousands injured, and countless left
The Borexino detector at the Laboratori Nazionali del Gran Sasso
The Borexino detector at the Laboratori Nazionali del Gran Sasso NIM-A Volume 600, Issue 3, 11 March 2009, Pages 568-593. doi:10.1016/j.nima.2008.11.076 (local copy; preprint on arXiv) Submitted 24 June 2008, Revised 25 October 2008, Accepted 7 November 2008, Available online
Direct Measurement of the 7Be Solar Neutrino Flux with 192 Days of Borexino Data
Direct Measurement of the 7Be Solar Neutrino Flux with 192 Days of Borexino Data C. Arpesella et al. (Borexino Collaboration) Phys. Rev. Lett. 101, 091302 – Published 29 August 2008 doi:10.1103/PhysRevLett.101.091302 (local copy; preprint on arXiv) Abstract We report the direct measurement of the 7Be
CNGS (CERN to LNGS) neutrino beam (re)started
CNGS, the CERN to LNGS neutrino beam has been (re)started on Jun 18, 2008. Also Borexino may detect some of the neutrinos from the CNGS beam.
Search for solar axions emitted in the M1-transition of 7Li* with Borexino CTF
Search for solar axions emitted in the M1-transition of 7Li* with Borexino CTF G. Bellini, J. Benziger et All (The Borexino Collaboration) The European Physical Journal C Volume 54, issue 1, March 2008, pages 61–72 (Published 29 January 2008) doi:10.1140/epjc/s10052-008-0530-9 (local copy) Abstract Results
Study of PhenylXylylEthane (PXE) as scintillator for low energy neutrino experiments
Study of PhenylXylylEthane (PXE) as scintillator for low energy neutrino experiments NIM-A Volume 585, Issues 1–2, 21 January 2008, Pages 48-60 doi:10.1016/j.nima.2007.10.045 (local copy) Abstract We report on the study of a new liquid scintillator target for neutrino interactions in
Pulse-shape discrimination with the Counting Test Facility
Pulse-shape discrimination with the Counting Test Facility NIM-A Volume 584, Issue 1, 1 January 2008, Pages 98-113 doi: 10.1016/j.nima.2007.09.036 (local copy) Abstract Pulse shape discrimination (PSD) is one of the most distinctive features of liquid scintillators. Since the introduction of
First real time detection of 7Be solar neutrinos by Borexino
First real time detection of 7Be solar neutrinos by Borexino Physics Letters B Volume 658, Issue 4, 3 January 2008, Pages 101-108 doi:10.1016/j.physletb.2007.09.054 Submitted 10 August 2007, Revised 12 September 2007, Accepted 20 September 2007, Available online 5 October 2007 (local
First run with full detector started: Borexino data taking has begun!
Borexino begins data taking on May 16, 2007 at 01:25 CEST
May 15, 2007 11:25 CEST: Borexino filling completed!
2007-05-15 – Inside view of the Borexino detector (camera #1). Borexino filling completed today @ 11:24:55 CEST. SSS is now full of scintillator, we’re almost ready to start the DAQ!
Water Tank filling completed
Water Tank filling completed on May 14, 2007. We’re getting closer…
Response to the critics of Borexino results on electron stability
Response to the critics of Borexino results in “A New experimental limit for the stability of the electron” by H.V. Klapdor-Kleingrothaus, I.V. Krivosheina and I.V. Titkova
Inner Vessel filling completed
PC procurement completed
PC procurement at Sarroch completed Borexino use a solution of PPO (a flour) in PC (pseudocumene, an organic solvent) as its scintillator (active detector mass) and a solution of DMP (a quencher) in the same solvent as a buffer fluid
About 300 m³ of PC in the SSS
Borexino filling goes on: About 300 m³ of PC in the SSS. In the following picture you can see the inside of the Borexino Stainless Steel Sphere as seen from camera #1. The water inside the SSS (and Inner Vessel)