Status report on theGALLEX experiment |
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| Authors: | P. Anselmann, W. Hampel, G. Heusser, J. Kiko, T. Kirsten, E. Pernicka, R. Plaga, U. R?nn, M. Sann C. Schlosser etAlia" >,et al. |
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| Affiliation: | (1) Max-Plank, Institut für Kernphysik, Heidelberg;(2) Kernoforschungszentrum, KfK, Karlsruhe;(3) Laboratorio Nazionale del Gran Sasso, INFN, L'Aquila, Italia;(4) Sezione di Milano, INFN, Milano, Italia;(5) Physik Dept. E15, Technische Universit?t, München, Germany;(6) Université de Nice, Observatoire, Nice, France;(7) Weizmann Institute of Sciences, Rehovot, Israel;(8) Sezione di Roma, 2, INFN, Roma, Italia;(9) DPhPE CEN, Saclay, France;(10) Brookhaven National Laboratory, Upton, NY |
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| Abstract: | Summary The GALLEX collaboration is performing an experiment for the detection of neutrinos coming principally from the p-p fusion reaction in the Sun, via the reaction νe+71Ga→71Ge+e−. The experiment is running in the Gran Sasso Underground Laboratory of INFN, using as a target 30.3 tons of gallium in the form of 8.13 molar aqueous GaCl3 solution. A report is given of the status of GALLEX after the end of the operations devoted to the removal from the solution of the cosmogenically formed Ge isotopes, completed in the middle of 1991. The experiment is now collecting data on solar neutrinos and the data analysis is in progress. Preliminary results concerning the first year of measurement are presented. Paper presented at the V Cosmic Physics National Conference, S. Miniato, November 27–30, 1990. |
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| Keywords: | Solar interior (including neutrino problem) |
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