Measurements of extremely low radioactivity levels in BOREXINO

C. Arpesella, H. O. Back, M. Balata, T. Beau, G. Bellini, Jay Burton Benziger, S. Bonetti, A. Brigatti, C. Buck, B. Caccianiga, L. Cadonati, Frank Calaprice, G. Cecchet, M. Chen, O. Dadoun, D. D'Angelo, A. de Bari, A. de Bellefon, E. de Haas, H. de KerretA. Derbin, M. Deutsch, A. di Credico, F. Elisei, A. Etenko, F. von Feilitzsch, R. Fernholz, R. Ford, D. Franco, B. Freudiger, Cristiano Galbiati, F. Gatti, S. Gazzana, M. G. Giammarchi, D. Giugni, M. Göger-Neff, T. Goldbrunner, A. Golubchikov, A. Goretti, C. Grieb, C. Hagner, T. Hagner, W. Hampel, E. Harding, F. X. Hartmann, R. von Hentig, G. Heusser, M. Hult, A. Ianni, A. M. Ianni, J. Kiko, T. Kirsten, M. Köhler, G. Korga, G. Korschinek, Y. Kozlov, D. Kryn, P. la Marche, M. Laubenstein, C. Lendvai, F. Loeser, P. Lombardi, K. McCarty, I. Machulin, S. Malvezzi, J. Maneira, I. Manno, G. Manuzio, A. Martemianov, F. Masetti, U. Mazzucato, E. Meroni, L. Miramonti, M. E. Monzani, P. Musico, H. Neder, L. Niedermeier, S. Nisi, L. Oberauer, M. Obolensky, F. Ortica, M. Pallavicini, L. Papp, L. Perasso, A. Pocar, R. S. Raghavan, G. Ranucci, W. Rau, A. Razeto, E. Resconi, T. Riedel, A. Sabelnikov, C. Salvo, R. Scardaoni, S. Schönert, K. H. Schuhbeck, T. Shutt, H. Simgen, A. Sonnenschein, O. Smirnov, A. Sotnikov, M. Skorokhvatov, S. Sukhotin, V. Tarasenkov, R. Tartaglia, G. Testera, P. R. Trincherini, V. Vyrodov, R. B. Vogelaar, D. Vignaud, S. Vitale, M. Wójcik, O. Zaimidoroga, G. Zuzel

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123 Scopus citations


The techniques researched, developed and applied towards the measurement of radioisotope concentrations at ultra-low levels in the real-time solar neutrino experiment BOREXINO at Gran Sasso are presented and illustrated with specific results of widespread interest. We report the use of low-level germanium gamma spectrometry, low-level miniaturized gas proportional counters and low background scintillation detectors developed in solar neutrino research. Each now sets records in its field. We additionally describe our techniques of radiochemical ultra-pure, few atom manipulations and extractions. Forefront measurements also result from the powerful combination of neutron activation and low-level counting. Finally, with our techniques and commercially available mass spectrometry and atomic absorption spectroscopy, new low-level detection limits for isotopes of interest are obtained.

Original languageEnglish (US)
Pages (from-to)1-25
Number of pages25
JournalAstroparticle Physics
Issue number1
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics


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