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ISSN - 01689002, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2008, vol. 594, p. 339-350

The WASA detector facility at CELSIUS

Bargholtz Chr, Bashkanov M., Berłowski M., Bondar A., Bogoslawsky D., Brodowski W., Brudvik J., Calén H., Capellaro F., Chilingarov A., Clement H., Comfort J., Demirörs L., Ekström C., Fransson K., Fridén C. J., Gerén L., Gornov M., Grebenev V., Greiff J., Gurov Y., Gustafsson L., Höistad B., Ivanov G., Jacewicz M., Jiganov E., Johansson A., Johansson T., Keleta S., Khakimova O., Khoukaz A., Kilian K., Kimura N., Koch I., Kolachev G., Kren F., Kullander S., Kupść A., Kuzmin A., Kuznetsov A., Lindberg K., Marciniewski P., Meier R., Messner O., Morosov B., Nawrot A., Nefkens B. M K, Norman G., Oelert W., Pauly C., Pettersson H., Pivovarov A., Pätzold J., Petukhov Y., Povtorejko A., Reistad D., Ruber R. J M Y, Sandukovsky S., Schönning K., Scobel W., Sefzick T., Shafigullin R., Shwartz B., Sidorov V., Skorodko T., Sopov V., Starostin A., Stepaniak J., Sukhanov A., Sukhanov A., Tchernyshev V., Tegnér P. E., Thörngren Engblom P., Tikhomirov V., Toki H., Turowiecki A., Wagner G. J., Wiedner U., Wilhelmi Z., Wolke M., Yamamoto A., Yamaoka H., Zabierowski J., Zartova I., Złomańczuk J.

The WASA 4 π multidetector system, aimed at investigating light meson production in light ion collisions and η meson rare decays at the CELSIUS storage ring in Uppsala is presented. A unique feature of the system is the use of hydrogen pellets as internal targets for the first time. A detailed description of the design, together with the anticipated and achieved performance parameters are given. © 2008 Elsevier B.V. All rights reserved.