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4 results on '"Scardaoni, R"'

1. New limits on nucleon decays into invisible channels with the BOREXINO counting test facility

Author

Back, H. O., Balata, DE BARI, A., Beau, T., DE BELLEFON, A., Bellini, G., Benziger, J., Bonetti, S., Brigatti, A., Buck, C., Caccianiga, B., Cadonati, L., Calaprice, F. P., Cecchet, G., Chen, M., DE HAAS, E., DI CREDICO, A., Dadoun, O., D'Angelo, D., Derbin, A., Deutsch, M., Elisei, F., Etenko, A., VON FEILITZSCH, F., Fernholz, R., Ford, R., Franco, D., Freudiger, B., Galbiati, C., Gatti, Flavio, Gazzana, S., Giammarchi, M. G., Giugni, D., Golubchikov, A., Goretti, A., Grieb, C., Hagner, T., Hagner, C., Hampel, W., Harding, E., Hartmann, F., G. HEUSSER G., Ianni, A., Ianni, A. M., DE KERRET, H., Kiko, J., Kirsten, T., Kohler, M., Korga, G., Korschinek, G., Kryn, D., Laubenstein, M., Lendvai, C., Lombardi, P., Machulin, I., Malvezzi, S., Maneira, J., Manno, I., Manuzio, Giulio, Masetti, F., Martemiamov, A., Mazzucato, U., Mccarty, K., Meroni, E., Miramonti, L., Monzani, M. E., Musico, P., Neder, H., Neff, M., Oberauer, L., Obolensky, M., Ortica, F., Pallavicini, Marco, Papp, L., Perasso, L., Pocar, A., Raghavan, R. S., Ranucci, G., Rau, W., Razeto, A., Resconi, E., Sabelnikov, A., Salvo, C., Scardaoni, R., Schoenert, S., Seidel, H., Simgen, H., Shutt, T., Skorokhvatov, M., Smirnov, O., Sonnenschein, A., Sotnikov, A., Sukhotin, S., Tarasenkov, V., Tartaglia, R., Testera, G., Vignaud, D., Vitale, Sandro, Vogelaar, R. B., Vyrodov, V., Woijcik, M., Zaimidoroga, O., Zuzel, G., Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Borexino, and Lantz, Simone

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Test facility, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, 3. Good health, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Underground laboratory, High Energy Physics::Experiment, Nuclide, Neutrino, 010306 general physics, Nucleon, Borexino
Abstract

The results of background measurements with the second version of the BOREXINO Counting Test Facility (CTF-II), installed in the Gran Sasso Underground Laboratory, were used to obtain limits on the instability of nucleons, bounded in nuclei, for decays into invisible channels ($inv$): disappearance, decays to neutrinos, etc. The approach consisted of a search for decays of unstable nuclides resulting from $N$ and $NN$ decays of parents $^{12}$C, $^{13}$C and $^{16}$O nuclei in the liquid scintillator and the water shield of the CTF. Due to the extremely low background and the large mass (4.2 ton) of the CTF detector, the most stringent (or competitive) up-to-date experimental bounds have been established: $��(n \to inv) > 1.8 \cdot 10^{25}$ y, $��(p \to inv) > 1.1 \cdot 10^{26}$ y, $��(nn \to inv) > 4.9 \cdot 10^{25}$ y and $��(pp \to inv) > 5.0 \cdot 10^{25}$ y, all at 90% C.L., 22 pages, 3 figures,submitted to Phys.Lett. B

Published
2003

2. Science and technology of Borexino: a real-time detector for low energy solar neutrinos

Author

Alimonti, G., Arpesella, C., Beck, H. O., Balata, Beau, T., Bellini, G., Benziger, J., Bonetti, S., Brigatti, A., Caccianiga, B., Cadonati, L., Calaprice, F. P., Cecchet, G., Chen, M., Debari, A., DE HAAS, E., Donghi, O., Deutsch, M., Elisei, F., VON FEILITZSCH, F., Fernholz, R., Ford, R., Freudiger, B., Garagiola, A., Gatti, Flavio, Gazzana, S., Giammarchi, M. G., Giugni, D., Golubchikov, A., Goretti, A., Grieb, C., Hagner, T., Hagner, C., Hampel, W., Harding, E., Hartmann, F., VON HENTIG, R., Hess, H., G. HEUSSER G., Ianni, A., Inzani, P., DE KERRET, H., Kidner, S., Kiko, J., Kirsten, Korga, G., Korshinek, Krin, D., Lagomarsino, Vittorio, Laubenstein, M., Loeser, F., Lombardi, P., Magni, S., Malvezzi, S., Maneira, J., Manno, I., Manuzio, Giulio, Masetti, F., Mazzucato, U., Meroni, E., Musico, P., Neder, H., Neff, M., Nisi, S., Nostro, A., Oberauer, L., Obolensky, M., Pallavicini, Marco, Papp, L., Perasso, L., Pocar, A., Raghavan, R. S., Ranucci, G., Rau, W., Resconi, E., Riedel, Sabelnikov, A., Saggese, P., Salvo, C., Scardaoni, R., Schoenert, S., Shuubeck, K. H., Seidel, H., Shutt, Sonnenschein, Smirnov, O., Sotnikov, A., Skorokhvatov, M., Sukhotin, S., Tartaglia, R., Testera, G., Vogelaar, R. B., Vitale, Sandro, Woijcik, M., Zaimidoroga, O., and Zakharov, Y.

Subjects
Physics, Scintillation, Particle physics, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Solar neutrino, Detector, Astronomy and Astrophysics, Solar neutrino problem, 01 natural sciences, 7. Clean energy, Physics::Geophysics, Low energy, 0103 physical sciences, Background suppression, High Energy Physics::Experiment, Neutrino, 010306 general physics, Borexino
Abstract

BOREXINO, a real-time device for low energy neutrino spectroscopy is nearing completion of construction in the underground laboratories at Gran Sasso, Italy (LNGS). The experiment's goal is the direct measurement of the flux of 7Be solar neutrinos of all flavors via neutrino-electron scattering in an ultra-pure scintillation liquid. Seeded by a series of innovations which were brought to fruition by large scale operation of a 4-ton test detector at LNGS, a new technology has been developed for BOREXINO. It enables sub-MeV solar neutrino spectroscopy for the first time. This paper describes the design of BOREXINO, the various facilities essential to its operation, its spectroscopic and background suppression capabilities and a prognosis of the impact of its results towards resolving the solar neutrino problem. BOREXINO will also address several other frontier questions in particle physics, astrophysics and geophysics.

Published
2002

3. Study of neutrino electromagnetic properties with the prototype of the Borexino detector

Author

Back, H. O., Balata, DE BARI, A., Beau, T., DE BELLEFON, A., Bellini, G., Benziger, J., Bonetti, S., Brigatti, A., Buck, C., Caccianiga, B., Cadonati, L., Calaprice, F. P., Cecchet, G., Chen, M., DE HAAS, E., DI CREDICO, A., Dadoun, O., D'Angelo, D., Derbin, A., Deutsch, M., Elisei, F., Etenko, A., VON FEILITZSCH, F., Fernholz, R., Ford, R., Franco, D., Freudiger, B., Galbiati, C., Gatti, Flavio, Gazzana, S., Giammarchi, M. G., Giugni, D., Golubchikov, A., Goretti, A., Grieb, C., Hagner, T., Hagner, C., Hampel, W., Harding, E., Hartmann, F., G. HEUSSER G., Ianni, A., Ianni, A. M., DE KERRET, H., Kiko, J., Kirsten, T., Kohler, M., Korga, G., Korschinek, G., Kryn, D., Laubenstein, M., Lendvai, C., Lombardi, P., Machulin, I., Malvezzi, S., Maneira, J., Manno, I., Manuzio, Giulio, Masetti, F., Martemiamov, A., Mazzucato, U., Mccarty, K., Meroni, E., Miramonti, L., Monzani, M. E., Musico, P., Neder, H., Neff, M., Oberauer, L., Obolensky, M., Ortica, F., Pallavicini, Marco, Papp, L., Perasso, L., Pocar, A., Raghavan, R. S., Ranucci, G., Rau, W., Razeto, A., Resconi, E., Sabelnikov, A., Salvo, C., Scardaoni, R., Schoenert, S., Seidel, H., Simgen, H., Shutt, T., Skorokhvatov, M., Smirnov, O., Sonnenschein, A., Sotnikov, A., Sukhotin, S., Tarasenkov, V., Tartaglia, R., Testera, G., Vignaud, D., Vitale, Sandro, Vogelaar, R. B., Vyrodov, V., Woijcik, M., Zaimidoroga, O., and Zuzel, G.

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Standard solar model, Physics::Instrumentation and Detectors, Solar neutrino, High Energy Physics::Phenomenology, Solar neutrino problem, Nuclear physics, Neutrino detector, Measurements of neutrino speed, High Energy Physics::Experiment, Neutrino, Neutrino oscillation, Borexino
Abstract

The results of background measurements with the prototype of the Borexino detector (CTF) have been used to obtain an upper bound on the neutrino magnetic moment, μ ν . The new upper limit for μ ν from pp and 7 Be solar neutrinos is (5.5×10 −10 ) μ B (90% c.l.) in the Standard Solar Model scenario. This is the first limit on μ ν obtained using sub-MeV neutrinos. The sensitivity of the prototype to the neutrino charge radius and the neutrino radiative decay are also presented.

Published
2003

4. New experimental limits on heavy neutrino mixing in 8B- decay obtained with the BOREXINO counting test facility

Author

Back, H. O., Balata, M, DE BARIC, A, Beaud, T, DE BELLEFOND, A, Bellini, G, Benziger, J, Bonetti, S, Brigatti, A, Buck, C, Caccianiga, B, Cadonati, L, Calaprice, F, Cecchet, G, Chen, M, DI CREDICO, A, Dadound, O, Dangelo, D, Derbin, A, Deutschk, M, Elisei, F, Etenko, A, VON FEILITZSCHI, F, Fernholzf, R, Ford, R, Franco, D, Freudigerg, B, Galbiati, C, Gatti, Flavio, Gazzana, S, Giammarchie, M. G., Giugni, D, GÖGER NEFF, M, Goretti, A, Grieb, C, DE HAASF, E, Hagneri, C, Hampelg, W, Harding, E, Hartmann, F. X., Hertrich, T, Hess, H, Heusserg, G, Ianni, A, Ianni, A. M., DE KERRET, H, Kiko, J, Kirsten, T, Korga, G, Korschinek, G, Kozlov, Y, Kryn, D, Laubenstein, M, Lendvai, C, Loeser, F, Lombardi, P, Malvezzi, S, Maneira, J, Manno, I, Manuzio, D, Manuzio, G, Masetti, F, Martemianov, A, Mazzucato, U, Mccarty, K, Meroni, E, Miramonti, L, Monzani, M. E., Musico, P, Niedermeier, L, Oberauer, L, Obolensky, M, Ortica, F, Pallavicini, Marco, Papp, L, Parmeggiano, S, Perasso, L, Pocar, A, Raghavan, R. S., Ranucci, G, Rau, W, Razeto, A, Resconi, E, Sabelnikov, A, Salvo, C, Scardaoni, R, Schimizzi, D, Schönert, S, MAIL THE CORRESPONDING AUTHOR, E., Schuhbecki, K. H., Seitzi, E., Simgeng, H., Shuttf, T., Skorokhvatovm, M., Smirnovj, O., Sonnenschein, A, Sotnikov, A, Sukhoti, S, Tarasenkov, V, Tartaglia, R, Testera, G, Vignaud, D, Vogelaar, R. B., Vyrodov, V, Wojcik, M, Zaimidoroga, O, Zuzel, G., Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Borexino, and Lantz, Simone

Subjects
Physics, Particle physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Coupling (probability), 7. Clean energy, 01 natural sciences, Nuclear physics, Massless particle, Particle decay, Neutrino detector, 13. Climate action, Antimatter, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Neutrino, 010306 general physics, Borexino, Lepton
Abstract

If heavy neutrinos with mass $$\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} $$ are emitted in the decays of 8B in the Sun, then νH→νL+e ++e − decays should be observed. In the present work, the results of background measurements with the Borexino Counting Test Facility have been used to obtain bounds on the number of these decays. As a result, new limits on the coupling |U eH|2of a massive neutrino in the range of 1.1 MeV to 12 MeV have been derived (|U eH|2≤10−3−10−5). The obtained limits on the mixing parameter are stronger than obtained in previous experiments using nuclear reactors and accelerators.

Published
2003

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