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Article ; Online: The Gamma and Neutron Sensor System for Rapid Dose Rate Mapping in the CLEANDEM Project.

Rossi, Fabio / Cosentino, Luigi / Longhitano, Fabio / Minutoli, Saverio / Musico, Paolo / Osipenko, Mikhail / Poma, Gaetano Elio / Ripani, Marco / Finocchiaro, Paolo

Sensors (Basel, Switzerland)

2023 Volume 23, Issue 9

Abstract: The decommissioning of nuclear installations, as well as the possible necessary accident remediations, requires the physical presence of human operators in potentially radiologically hostile environments. The number of active nuclear reactors worldwide ... ...

Abstract	The decommissioning of nuclear installations, as well as the possible necessary accident remediations, requires the physical presence of human operators in potentially radiologically hostile environments. The number of active nuclear reactors worldwide is greater than 400, and most of them are 40 to 50 years old, thus implying that soon they will have to be dismantled. In the framework of the H2020 CLEANDEM project, a small robotic vehicle is being developed that is equipped with a series of different sensors for areas that are significantly contaminated by radiation. In this work, we describe the MiniRadMeter system, a compact low-cost sensor capable of being used to perform quick gamma and neutron radiation field mapping of environments prior to the possible start of human operations. The miniature gamma sensor is a 1 cm
Language	English
Publishing date	2023-04-23
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2052857-7
ISSN	1424-8220 ; 1424-8220
ISSN (online)	1424-8220
ISSN	1424-8220
DOI	10.3390/s23094210
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Article ; Online: Characterization of Large GEM Module for the Tracker at Jlab Hall A

Mammoliti F. / Bellin V. / Cisbani E. / Librizzi F. / Musico P. / Noto F. / Perrino R. / Re L. / Sutera M.C.

EPJ Web of Conferences, Vol 96, p

2015 Volume 01023

Abstract: A new Large-Acceptance Forward Angle Spectrometer (Super BigBite) is under development at JLab/Hall A for the upcoming experiments in Hall A at Jefferson Lab where a longitudinally polarized electron beam of 11 GeV is now available. This beam, combined ... ...

Abstract	A new Large-Acceptance Forward Angle Spectrometer (Super BigBite) is under development at JLab/Hall A for the upcoming experiments in Hall A at Jefferson Lab where a longitudinally polarized electron beam of 11 GeV is now available. This beam, combined with innovative polarized targets will provided luminosity up to 1039/(s·cm2) opening exciting opportunities to investigate unexplored aspects of the inner structure of the nucleon. The tracker of this new apparatus is based on the Gas Electron Multiplier (GEM) technology, which has been chosen to optimize cost/performance, position resolution and to meet the high hit rate (>1 MHz/cm2). The first GEM detector modules, designed and built by the INFN Collaboration JLAB12, were tested at the DESY test beam facility in Hamburg, by using an electron beam with energy ranging from 2.0 to 6.0 GeV. In particular, three 40x50 cm2 GEM chambers were equipped with a new implementation of the APV25 readout chip. Measurements were performed at different impact points and angles between the electron beam and the plane of the GEM chambers, with one large chamber in a solenoid magnetic field up to 500 Gauss. In this paper we present the technical features of the tracker and comment on the presently achieved performance.
Keywords	Science ; Q ; Physics ; QC1-999
Language	English
Publishing date	2015-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Test of the GEM Front Tracker for the SBS Spectrometer at Jefferson Lab

Mammoliti F. / Bellini V. / Cisbani E. / Librizzi F. / Musico P. / Noto F. / Perrino R. / Sutera M.C.

EPJ Web of Conferences, Vol 72, p

2014 Volume 00015

Abstract: A new Large-Acceptance Forward Angle Spectrometer (Super BigBite) is under development at JLab/Hall A to optimally exploit the exciting opportunities oﬀered by the 12 GeV upgrade of the electron beam. The tracker of this new apparatus is based on the Gas ...

Abstract	A new Large-Acceptance Forward Angle Spectrometer (Super BigBite) is under development at JLab/Hall A to optimally exploit the exciting opportunities oﬀered by the 12 GeV upgrade of the electron beam. The tracker of this new apparatus is based on the Gas Electron Multiplier (GEM) technology, which has been chosen to optimize cost/performance, position resolution and to meet the high hit rate (>1 MHz/cm2). The first GEM detector modules, designed and built by the INFN Collaboration JLAB12, were tested at the DESY test beam facility in Hamburg, by using an electron beam with energy ranging from 2.0 to 6.0 GeV. In particular, two 40x50 cm2 and one 10x10 cm2 GEM chambers were equipped with a new implementation of the APV25 readout chip. Measurements were performed at diﬀerent impact points and angles between the electron beam and the plane of the GEM chambers, with one large chamber in a solenoid magnetic field up to 500 Gauss. In this report we present the technical characteristics of the detector and comment on the presently achieved performance.
Keywords	Physics ; QC1-999 ; Science ; Q
Language	English
Publishing date	2014-05-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Search for Dark-Matter-Nucleon Interactions via Migdal Effect with DarkSide-50.

Agnes, P / Albuquerque, I F M / Alexander, T / Alton, A K / Ave, M / Back, H O / Batignani, G / Biery, K / Bocci, V / Bonivento, W M / Bottino, B / Bussino, S / Cadeddu, M / Cadoni, M / Calaprice, F / Caminata, A / Campos, M D / Canci, N / Caravati, M /

Cargioli, N / Cariello, M / Carlini, M / Cataudella, V / Cavalcante, P / Cavuoti, S / Chashin, S / Chepurnov, A / Cicalò, C / Covone, G / D'Angelo, D / Davini, S / De Candia, A / De Cecco, S / De Filippis, G / De Rosa, G / Derbin, A V / Devoto, A / D'Incecco, M / Dionisi, C / Dordei, F / Downing, M / D'Urso, D / Fairbairn, M / Fiorillo, G / Franco, D / Gabriele, F / Galbiati, C / Ghiano, C / Giganti, C / Giovanetti, G K / Goretti, A M / Grilli di Cortona, G / Grobov, A / Gromov, M / Guan, M / Gulino, M / Hackett, B R / Herner, K / Hessel, T / Hosseini, B / Hubaut, F / Hungerford, E V / Ianni, An / Ippolito, V / Keeter, K / Kendziora, C L / Kimura, M / Kochanek, I / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lissia, M / Longo, G / Lychagina, O / Machulin, I N / Mapelli, L P / Mari, S M / Maricic, J / Messina, A / Milincic, R / Monroe, J / Morrocchi, M / Mougeot, X / Muratova, V N / Musico, P / Nozdrina, A O / Oleinik, A / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pelczar, K / Pelliccia, N / Piacentini, S / Pocar, A / Poehlmann, D M / Pordes, S / Poudel, S S / Pralavorio, P / Price, D D / Ragusa, F / Razeti, M / Razeto, A / Renshaw, A L / Rescigno, M / Rode, J / Romani, A / Sablone, D / Samoylov, O / Sandford, E / Sands, W / Sanfilippo, S / Savarese, C / Schlitzer, B / Semenov, D A / Shchagin, A / Sheshukov, A / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stracka, S / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Unzhakov, E V / Vishneva, A / Vogelaar, R B / Wada, M / Wang, H / Wang, Y / Westerdale, S / Wojcik, M M / Xiao, X / Yang, C / Zuzel, G

Physical review letters

2023 Volume 130, Issue 10, Page(s) 101001

Abstract: Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear ... ...

Abstract	Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear system and allows for the detection of interactions of sub-GeV/c^{2} mass dark matter. We present new constraints for sub-GeV/c^{2} dark matter using the dual-phase liquid argon time projection chamber of the DarkSide-50 experiment with an exposure of (12 306±184) kg d. The analysis is based on the ionization signal alone and significantly enhances the sensitivity of DarkSide-50, enabling sensitivity to dark matter with masses down to 40 MeV/c^{2}. Furthermore, it sets the most stringent upper limit on the spin independent dark matter nucleon cross section for masses below 3.6 GeV/c^{2}.
Language	English
Publishing date	2023-03-24
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.130.101001
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for Dark Matter Particle Interactions with Electron Final States with DarkSide-50.

Cargioli, N / Cariello, M / Carlini, M / Cataudella, V / Cavalcante, P / Cavuoti, S / Chashin, S / Chepurnov, A / Cicalò, C / Covone, G / D'Angelo, D / Davini, S / De Candia, A / De Cecco, S / De Filippis, G / De Rosa, G / Derbin, A V / Devoto, A / D'Incecco, M / Dionisi, C / Dordei, F / Downing, M / D'Urso, D / Fiorillo, G / Franco, D / Gabriele, F / Galbiati, C / Ghiano, C / Giganti, C / Giovanetti, G K / Goretti, A M / Grilli di Cortona, G / Grobov, A / Gromov, M / Guan, M / Gulino, M / Hackett, B R / Herner, K / Hessel, T / Hosseini, B / Hubaut, F / Hungerford, E V / Ianni, An / Ippolito, V / Keeter, K / Kendziora, C L / Kimura, M / Kochanek, I / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lissia, M / Longo, G / Lychagina, O / Machulin, I N / Mapelli, L P / Mari, S M / Maricic, J / Messina, A / Milincic, R / Monroe, J / Morrocchi, M / Mougeot, X / Muratova, V N / Musico, P / Nozdrina, A O / Oleinik, A / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pelczar, K / Pelliccia, N / Piacentini, S / Pocar, A / Poehlmann, D M / Pordes, S / Poudel, S S / Pralavorio, P / Price, D D / Ragusa, F / Razeti, M / Razeto, A / Renshaw, A L / Rescigno, M / Rode, J / Romani, A / Sablone, D / Samoylov, O / Sands, W / Sanfilippo, S / Sandford, E / Savarese, C / Schlitzer, B / Semenov, D A / Shchagin, A / Sheshukov, A / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stracka, S / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Unzhakov, E V / Vishneva, A / Vogelaar, R B / Wada, M / Wang, H / Wang, Y / Westerdale, S / Wojcik, M M / Xiao, X / Yang, C / Zuzel, G

Physical review letters

2023 Volume 130, Issue 10, Page(s) 101002

Abstract: We present a search for dark matter particles with sub-GeV/c^{2} masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306±184) kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we ... ...

Abstract	We present a search for dark matter particles with sub-GeV/c^{2} masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306±184) kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we exclude new parameter space for the dark matter-electron cross section σ[over ¯]_{e}, the axioelectric coupling constant g_{Ae}, and the dark photon kinetic mixing parameter κ. We also set the first dark matter direct-detection constraints on the mixing angle \|U_{e4}\|^{2} for keV/c^{2} sterile neutrinos.
Language	English
Publishing date	2023-03-24
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.130.101002
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Constraints on Sub-GeV Dark-Matter-Electron Scattering from the DarkSide-50 Experiment.

Agnes, P / Albuquerque, I F M / Alexander, T / Alton, A K / Araujo, G R / Asner, D M / Ave, M / Back, H O / Baldin, B / Batignani, G / Biery, K / Bocci, V / Bonfini, G / Bonivento, W / Bottino, B / Budano, F / Bussino, S / Cadeddu, M / Cadoni, M /

Calaprice, F / Caminata, A / Canci, N / Candela, A / Caravati, M / Cariello, M / Carlini, M / Carpinelli, M / Catalanotti, S / Cataudella, V / Cavalcante, P / Cavuoti, S / Cereseto, R / Chepurnov, A / Cicalò, C / Cifarelli, L / Cocco, A G / Covone, G / D'Angelo, D / D'Incecco, M / D'Urso, D / Davini, S / De Candia, A / De Cecco, S / De Deo, M / De Filippis, G / De Rosa, G / De Vincenzi, M / Demontis, P / Derbin, A V / Devoto, A / Di Eusanio, F / Di Pietro, G / Dionisi, C / Downing, M / Edkins, E / Empl, A / Fan, A / Fiorillo, G / Fomenko, K / Franco, D / Gabriele, F / Gabrieli, A / Galbiati, C / Garcia Abia, P / Ghiano, C / Giagu, S / Giganti, C / Giovanetti, G K / Gorchakov, O / Goretti, A M / Granato, F / Gromov, M / Guan, M / Guardincerri, Y / Gulino, M / Hackett, B R / Hassanshahi, M H / Herner, K / Hosseini, B / Hughes, D / Humble, P / Hungerford, E V / Ianni, Al / Ianni, An / Ippolito, V / James, I / Johnson, T N / Kahn, Y / Keeter, K / Kendziora, C L / Kochanek, I / Koh, G / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lisanti, M / Lissia, M / Loer, B / Longo, G / Ma, Y / Machado, A A / Machulin, I N / Mandarano, A / Mapelli, L / Mari, S M / Maricic, J / Martoff, C J / Messina, A / Meyers, P D / Milincic, R / Mishra-Sharma, S / Monte, A / Morrocchi, M / Mount, B J / Muratova, V N / Musico, P / Nania, R / Navrer Agasson, A / Nozdrina, A O / Oleinik, A / Orsini, M / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pazzona, F / Pelczar, K / Pelliccia, N / Pesudo, V / Picciau, E / Pocar, A / Pordes, S / Poudel, S S / Pugachev, D A / Qian, H / Ragusa, F / Razeti, M / Razeto, A / Reinhold, B / Renshaw, A L / Rescigno, M / Riffard, Q / Romani, A / Rossi, B / Rossi, N / Sablone, D / Samoylov, O / Sands, W / Sanfilippo, S / Sant, M / Santorelli, R / Savarese, C / Scapparone, E / Schlitzer, B / Segreto, E / Semenov, D A / Shchagin, A / Sheshukov, A / Singh, P N / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stanford, C / Stracka, S / Suffritti, G B / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Trinchese, P / Unzhakov, E V / Verducci, M / Vishneva, A / Vogelaar, B / Wada, M / Waldrop, T J / Wang, H / Wang, Y / Watson, A W / Westerdale, S / Wojcik, M M / Wojcik, M / Xiang, X / Xiao, X / Yang, C / Ye, Z / Zhu, C / Zichichi, A / Zuzel, G

Physical review letters

2018 Volume 121, Issue 11, Page(s) 111303

Abstract: We present new constraints on sub-GeV dark-matter particles scattering off electrons based on 6780.0 kg d of data collected with the DarkSide-50 dual-phase argon time projection chamber. This analysis uses electroluminescence signals due to ionized ... ...

Abstract	We present new constraints on sub-GeV dark-matter particles scattering off electrons based on 6780.0 kg d of data collected with the DarkSide-50 dual-phase argon time projection chamber. This analysis uses electroluminescence signals due to ionized electrons extracted from the liquid argon target. The detector has a very high trigger probability for these signals, allowing for an analysis threshold of three extracted electrons, or approximately 0.05 keVee. We calculate the expected recoil spectra for dark matter-electron scattering in argon and, under the assumption of momentum-independent scattering, improve upon existing limits from XENON10 for dark-matter particles with masses between 30 and 100 MeV/c^{2}.
Language	English
Publishing date	2018-09-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.121.111303
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Low-Mass Dark Matter Search with the DarkSide-50 Experiment.

Calaprice, F / Caminata, A / Canci, N / Candela, A / Caravati, M / Cariello, M / Carlini, M / Carpinelli, M / Catalanotti, S / Cataudella, V / Cavalcante, P / Cavuoti, S / Cereseto, R / Chepurnov, A / Cicalò, C / Cifarelli, L / Cocco, A G / Covone, G / D'Angelo, D / D'Incecco, M / D'Urso, D / Davini, S / De Candia, A / De Cecco, S / De Deo, M / De Filippis, G / De Rosa, G / De Vincenzi, M / Demontis, P / Derbin, A V / Devoto, A / Di Eusanio, F / Di Pietro, G / Dionisi, C / Downing, M / Edkins, E / Empl, A / Fan, A / Fiorillo, G / Fomenko, K / Franco, D / Gabriele, F / Gabrieli, A / Galbiati, C / Garcia Abia, P / Ghiano, Chiara / Giagu, S / Giganti, C / Giovanetti, G K / Gorchakov, O / Goretti, A M / Granato, F / Gromov, M / Guan, M / Guardincerri, Y / Gulino, M / Hackett, B R / Hassanshahi, M H / Herner, K / Hosseini, B / Hughes, D / Humble, P / Hungerford, E V / Ianni, Al / Ianni, An / Ippolito, V / James, I / Johnson, T N / Kahn, Y / Keeter, K / Kendziora, C L / Kochanek, I / Koh, G / Korablev, D / Korga, G / Kubankin, A / Kuss, M / La Commara, M / Lai, M / Li, X / Lisanti, M / Lissia, M / Loer, B / Longo, G / Ma, Y / Machado, A A / Machulin, I N / Mandarano, A / Mapelli, L / Mari, S M / Maricic, J / Martoff, C J / Messina, A / Meyers, P D / Milincic, R / Mishra-Sharma, S / Monte, A / Morrocchi, M / Mount, B J / Muratova, V N / Musico, P / Nania, R / Navrer Agasson, A / Nozdrina, A O / Oleinik, A / Orsini, M / Ortica, F / Pagani, L / Pallavicini, M / Pandola, L / Pantic, E / Paoloni, E / Pazzona, F / Pelczar, K / Pelliccia, N / Pesudo, V / Pocar, A / Pordes, S / Poudel, S S / Pugachev, D A / Qian, H / Ragusa, F / Razeti, M / Razeto, A / Reinhold, B / Renshaw, A L / Rescigno, M / Riffard, Q / Romani, A / Rossi, B / Rossi, N / Sablone, D / Samoylov, O / Sands, W / Sanfilippo, S / Sant, M / Santorelli, R / Savarese, C / Scapparone, E / Schlitzer, B / Segreto, E / Semenov, D A / Shchagin, A / Sheshukov, A / Singh, P N / Skorokhvatov, M D / Smirnov, O / Sotnikov, A / Stanford, C / Stracka, S / Suffritti, G B / Suvorov, Y / Tartaglia, R / Testera, G / Tonazzo, A / Trinchese, P / Unzhakov, E V / Verducci, M / Vishneva, A / Vogelaar, B / Wada, M / Waldrop, T J / Wang, H / Wang, Y / Watson, A W / Westerdale, S / Wojcik, M M / Wojcik, M / Xiang, X / Xiao, X / Yang, C / Ye, Z / Zhu, C / Zichichi, A / Zuzel, G

Physical review letters

2018 Volume 121, Issue 8, Page(s) 81307

Abstract: We present the results of a search for dark matter weakly interacting massive particles (WIMPs) in the mass range below 20 GeV/c^{2} using a target of low-radioactivity argon with a 6786.0 kg d exposure. The data were obtained using the DarkSide-50 ... ...

Abstract	We present the results of a search for dark matter weakly interacting massive particles (WIMPs) in the mass range below 20 GeV/c^{2} using a target of low-radioactivity argon with a 6786.0 kg d exposure. The data were obtained using the DarkSide-50 apparatus at Laboratori Nazionali del Gran Sasso. The analysis is based on the ionization signal, for which the DarkSide-50 time projection chamber is fully efficient at 0.1 keVee. The observed rate in the detector at 0.5 keVee is about 1.5 event/keVee/kg/d and is almost entirely accounted for by known background sources. We obtain a 90% C.L. exclusion limit above 1.8 GeV/c^{2} for the spin-independent cross section of dark matter WIMPs on nucleons, extending the exclusion region for dark matter below previous limits in the range 1.8-6 GeV/c^{2}.
Language	English
Publishing date	2018-09-07
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.121.081307
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Direct measurement of the 7Be solar neutrino flux with 192 days of borexino data.

Arpesella, C / Back, H O / Balata, M / Bellini, G / Benziger, J / Bonetti, S / Brigatti, A / Caccianiga, B / Cadonati, L / Calaprice, F / Carraro, C / Cecchet, G / Chavarria, A / Chen, M / Dalnoki-Veress, F / D'Angelo, D / de Bari, A / de Bellefon, A / de Kerret, H /

Derbin, A / Deutsch, M / di Credico, A / di Pietro, G / Eisenstein, R / Elisei, F / Etenko, A / Fernholz, R / Fomenko, K / Ford, R / Franco, D / Freudiger, B / Galbiati, C / Gatti, F / Gazzana, S / Giammarchi, M / Giugni, D / Goeger-Neff, M / Goldbrunner, T / Goretti, A / Grieb, C / Hagner, C / Hampel, W / Harding, E / Hardy, S / Hartman, F X / Hertrich, T / Heusser, G / Ianni, Aldo / Ianni, Andrea / Joyce, M / Kiko, J / Kirsten, T / Kobychev, V / Korga, G / Korschinek, G / Kryn, D / Lagomarsino, V / Lamarche, P / Laubenstein, M / Lendvai, C / Leung, M / Lewke, T / Litvinovich, E / Loer, B / Lombardi, P / Ludhova, L / Machulin, I / Malvezzi, S / Manecki, S / Maneira, J / Maneschg, W / Manno, I / Manuzio, D / Manuzio, G / Martemianov, A / Masetti, F / Mazzucato, U / McCarty, K / McKinsey, D / Meindl, Q / Meroni, E / Miramonti, L / Misiaszek, M / Montanari, D / Monzani, M E / Muratova, V / Musico, P / Neder, H / Nelson, A / Niedermeier, L / Oberauer, L / Obolensky, M / Orsini, M / Ortica, F / Pallavicini, M / Papp, L / Parmeggiano, S / Perasso, L / Pocar, A / Raghavan, R S / Ranucci, G / Rau, W / Razeto, A / Resconi, E / Risso, P / Romani, A / Rountree, D / Sabelnikov, A / Saldanha, R / Salvo, C / Schimizzi, D / Schönert, S / Shutt, T / Simgen, H / Skorokhvatov, M / Smirnov, O / Sonnenschein, A / Sotnikov, A / Sukhotin, S / Suvorov, Y / Tartaglia, R / Testera, G / Vignaud, D / Vitale, S / Vogelaar, R B / von Feilitzsch, F / von Hentig, R / von Hentig, T / Wojcik, M / Wurm, M / Zaimidoroga, O / Zavatarelli, S / Zuzel, G

Physical review letters

2008 Volume 101, Issue 9, Page(s) 91302

Abstract: We report the direct measurement of the 7Be solar neutrino signal rate performed with the Borexino detector at the Laboratori Nazionali del Gran Sasso. The interaction rate of the 0.862 MeV 7Be neutrinos is 49+/-3stat+/-4syst counts/(day.100 ton). The ... ...

Abstract	We report the direct measurement of the 7Be solar neutrino signal rate performed with the Borexino detector at the Laboratori Nazionali del Gran Sasso. The interaction rate of the 0.862 MeV 7Be neutrinos is 49+/-3stat+/-4syst counts/(day.100 ton). The hypothesis of no oscillation for 7Be solar neutrinos is inconsistent with our measurement at the 4sigma C.L. Our result is the first direct measurement of the survival probability for solar nu(e) in the transition region between matter-enhanced and vacuum-driven oscillations. The measurement improves the experimental determination of the flux of 7Be, pp, and CNO solar nu(e), and the limit on the effective neutrino magnetic moment using solar neutrinos.
Language	English
Publishing date	2008-08-29
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.101.091302
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Deep sea tests of a prototype of the KM3NeT digital optical module

Adrián-Martínez, S. / Ageron, M. / Aharonian, F. / Aiello, S. / Albert, A. / Ameli, F. / Anassontzis, E. G. / Anghinolfi, M. / Anton, G. / Anvar, S. / Ardid, M. / de Asmundis, R. / Balasi, K. / Band, H. / Barbarino, G. / Barbarito, E. / Barbato, F. / Baret, B. / Baron, S. /

Belias, A. / Berbee, E. / Berg, A. M. van den / Berkien, A. / Bertin, V. / Beurthey, S. / van Beveren, V. / Beverini, N. / Biagi, S. / Bianucci, S. / Billault, M. / Birbas, A. / Rookhuizen, H. Boer / Bormuth, R. / Bouche, V. / Bouhadef, B. / Bourlis, G. / Bouwhuis, M. / Bozza, C. / Bruijn, R. / Brunner, J. / Cacopardo, G. / Caillat, L. / Calamai, M. / Calvo, D. / Capone, A. / Caramete, L. / Caruso, F. / Cecchini, S. / Ceres, A. / Cereseto, R. / Champion, C. / Chateau, F. / Chiarusi, T. / Christopoulou, B. / Circella, M. / Classen, L. / Cocimano, R. / Colonges, S. / Coniglione, R. / Cosquer, A. / Costa, M. / Coyle, P. / Creusot, A. / Curtil, C. / Cuttone, G. / D'Amato, C. / D'Amico, A. / De Bonis, G. / De Rosa, G. / Deniskina, N. / Destelle, J. -J. / Distefano, C. / Donzaud, C. / Dornic, D. / Dorosti-Hasankiadeh, Q. / Drakopoulou7, E. / Drouhin, D. / Drury, L. / Durand, D. / Eberl, T. / Eleftheriadis, C. / Elsaesser, D. / Enzenhofer, A. / Fermani, P. / Fusco, L. A. / Gajana, D. / Gal, T. / Galata, S. / Gallo, F. / Garufi, F. / Gebyehu, M. / Giordano, V. / Gizani, N. / Ruiz, R. Gracia / Graf, K. / Grasso, R. / Grella, G. / Grmek, A. / Habel, R. / van Haren, H. / Heid, T. / Heijboer, A. / Heine, E. / Henry, S. / Hernandez-Rey, J. J. / Herold, B. / Hevinga, M. A. / van der Hoek, M. / Hofestadt, J. / Hogenbirk, J. / Hugon, C. / Hosl, J. / Imbesi, M. / James, C. / Jansweijer, P. / Jochum, J. / de Jong, M. / Kadler, M. / Kalekin, O. / Kappes, A. / Kappos, E. / Katz, U. / Kavatsyuk, O. / Keller, P. / Kieft, G. / Koffeman, E. / Kok, H. / Kooijman, P. / Koopstra, J. / Korporaal, A. / Kouchner, A. / Koutsoukos, S. / Kreykenbohm, I. / Kulikovskiy, V. / Lahmann, R. / Lamare, P. / Larosa, G. / Lattuada, D. / Provost, H. Le / Leisos, A. / Lenis, D. / Leonora, E. / Clark, M. Lindsey / Liolios, A. / Alvarez, C. D. Llorens / Lohner, H. / Presti, D. Lo / Louis, F. / Maccioni, E. / Mannheim, K. / Manolopoulos, K. / Margiotta, A. / Maris, O. / Markou, C. / Martinez-Mora, J. A. / Martini, A. / Masullo, R. / Michael, T. / Migliozzi, P. / Migneco, E. / Miraglia, A. / Mollo, C. / Mongelli, M. / Morganti, M. / Mos, S. / Moudden, Y. / Musico, P. / Musumeci, M. / Nicolaou, C. / Nicolau, C. A. / Orlando, A. / Orzelli, A. / Papageorgiou, K. / Papaikonomou, A. / Papaleo, R. / Pavalas, G. E. / Peek, H. / Pellegrino, C. / Pellegriti, M. G. / Perrina, C. / Petridou, C. / Piattelli, P. / Pikounis, K. / Popa, V. / Pradier, Th. / Priede, M. / Puhlhofer, G. / Pulvirenti, S. / Racca, C. / Raffaelli, F. / Randazzo, N. / Rapidis, P. A. / Razis, P. / Real, D. / Resvanis, L. / Reubelt, J. / Riccobene, G. / Rovelli, A. / Royon, J. / Saldana, M. / Samtleben, D. F. E. / Sanguineti, M. / Santangelo, A. / Sapienza, P. / Savvidis, I. / Schmelling, J. / Schnabel, J. / Sedita, M. / Seitz, T. / Sgura, I. / Simeone, F. / Siotis, I. / Sipala, V. / Solazzo, M. / Spitaleri, A. / Spurio, M. / Stavropoulos, G. / Steijger, J. / Stolarczyk, T. / Stransky, D. / Taiuti, M. / Terreni, G. / Tezier, D. / Theraube, S. / Thompson, L. F. / Timmer, P. / Trapierakis, H. I. / Trasatti, L. / Trovato, A. / Tselengidou, M. / Tsirigotis, A. / Tzamarias, S. / Tzamariudaki, E. / Vallage, B. / Van Elewyck, V. / Vermeulen, J. / Vernin, P. / Viola, S. / Vivolo, D. / Werneke, P. / Wiggers, L. / Wilms, J. / de Wolf, E. / van Wooning, R. H. L. / Yatkin, K. / Zachariadou, K. / Zonca, E. / Zornoza, J. D. / Zúñiga, J. / Zwart, A.

2014

Abstract: The first prototype of a photo-detection unit of the future KM3NeT neutrino telescope has been deployed in the deep waters of the Mediterranean Sea. This digital optical module has a novel design with a very large photocathode area segmented by the use ... ...

Abstract	The first prototype of a photo-detection unit of the future KM3NeT neutrino telescope has been deployed in the deep waters of the Mediterranean Sea. This digital optical module has a novel design with a very large photocathode area segmented by the use of 31 three inch photomultiplier tubes. It has been integrated in the ANTARES detector for in-situ testing and validation. This paper reports on the first months of data taking and rate measurements. The analysis results highlight the capabilities of the new module design in terms of background suppression and signal recognition. The directionality of the optical module enables the recognition of multiple Cherenkov photons from the same $^{40}$K decay and the localization bioluminescent activity in the neighbourhood. The single unit can cleanly identify atmospheric muons and provide sensitivity to the muon arrival directions.
Keywords	Astrophysics - Instrumentation and Methods for Astrophysics ; Physics - Instrumentation and Detectors
Subject code	621
Publishing date	2014-05-05
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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