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ISSN - 09205632, Nuclear Physics B - Proceedings Supplements, 2012, vol. 225-227, p. 66-68

Spherical Neutral Detector for experiments at VEPP-2000 e +e - collider

Achasov M. N., Aulchenko V. M., Barnyakov A. Yu, Beloborodov K. I., Berdugin A. V., Bogdanchikov A. G., Botov A. A., Bukin D. A., Golubev V. B., Grevtsov K. I., Dimova T. V., Druzhinin V. P., Kardapoltsev L. V., Kharlamov A. G., Kovrizhin D. P., Korol A. A., Koshuba S. V., Kravchenko E. A., Martin K. A., Obrazovsky A. E., Onuchin A. P., Pakhtusova E. V., Serednyakov S. I., Shatunov Yu M., Shtol D. A., Shukaev A. N., Silagadze Z. K., Skovpen K. Yu, Skrinsky A. N., Surin I. K., Tikhonov Yu A., Usov Yu V., Vasiljev A. V., Vesenev V. M.

Spherical Neutral Detector (SND) is a general purpose non-magnetic detector for experiments at VEPP-2000 e +e - collider in Novosibirsk in the energy range 2E=0.4-2.0GeV. Charged particle track coordinates are measured using drift and proportional chambers placed in a common gas volume. Particle identification is performed using energy deposition in the drift chamber at low particle momenta p≤300MeV and aerogel threshold counters at high particle momenta p≥300MeV. Photon energies are measured using 3-layer spherical electromagnetic calorimeter. Muons penetrating the detector and cosmic background muons are detected by the muon system based on proportional tubes and plastic scintillator counters. At present the detector is operating at VEPP-2000. © 2012 Elsevier B.V..