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ISSN - 00204412, EISSN - 16083180, Instruments and Experimental Techniques, 2006, vol. 49, p. 798-814

The CMD-2 cryogenic magnetic detector

Anashkin E. V., Aul'chenko V. M., Akhmetshin R. R., Banzarov V. Sh, Barkov L. M., Baru S. E., Bashtovoi N. S., Bondarev D. V., Bondar' A. E., Bragin A. V., Gabyshev N. I., Gorbachev D. A., Grebenyuk A. A., Grigor'ev D. N., Epifanov D. A., Zhuravkov I. V., Zavarzin V. G., Zaitsev A. S., Zverev S. G., Ignatov F. V., Kazanin V. F., Karpov S. V., Kolachev G. M., Krokovnyi P. P., Kuz'min A. S., Logashenko I. B., Lukin P. A., Mikhailov K. Yu, Monich V. A., Nikulin M. A., Nomerotskii A. B., Okhapkin V. S., Pivovarov S. G., Popov A. S., Purlats T. A., Redin S. I., Root N. I., Ruban A. A., Ryskulov N. M., Sibidanov A. L., Sidorov V. A., Skrinskii A. N., Smakhtin V. P., Snopkov I. G., Solodov E. P., Stepanov P. Yu, Sukhanov A. I., Titov V. M., Fedorenko V. E., Fedotovich G. V., Khazin B. I., Shamov A. G., Shatunov Yu M., Shvarts B. A., Shuvalov B. N., Chernyak D. V., Eidel'man S. I., Yudin Yu V.

The CMD-2 cryogenic magnetic detector used in a set of experiments on the VEPP-2M electron-positron collider at energies as great as 1.4 GeV is described. The design of the detector subsystems and the algorithms for reconstructing tracks in the drift chamber and the CsI and BGO calorimeters are presented. The spatial and energy resolutions of the detector systems have been determined from analysis of experimental data. The design of the superconducting solenoid and the layout of its powering by means of a superconducting transformer are shown. The trigger system of the detector and the conditions for recording "charged" and "neutral" events on a magnetic tape are described. The procedure used to monitor the parameters of the detector systems during the experiment is presented. © Nauka/Interperiodica 2006.