Abstract
A system of threshold aerogel Cherenkov counters with refractive index n = 1.05 has been tested. This system has been designed for e/π separation with energies of up to 450 MeV in experiments aimed at measuring cross sections of e + e −-annihilation into hadrons with the SND detector at the VEPP-2000 collider. The characteristics of the system are presented. The measurements have been taken using electrons and muons from e + e − → e + e − and e + e − → μ+μ− reactions at beam energies of 250–500 MeV. If the mean signal from electrons in the counter is 3.5 photoelectrons, the detection efficiency for electrons is 0.955.
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Achasov, M.N., Aulchenko, V.M., Baru, S.E., Beloborodov, K.I., Berdyugin, A.V., Bogdanchikov, A.G., Bozhenok, A.V., Bukin, A.D., Bukin, D.A., Burdin, S.V., Dimova, T.V., Dolinsky, S.I., Drozdetsky, A.A., Druzhinin, V.P., Dubrovin, M.S., Gaponenko, I.A., Golubev, V.B., Ivanchenko, V.N., Korol, A.A., Koshuba, S.V., Kukartsev, G.A., Pakhtusova, E.V., Popov, V.M., Salnikov, A.A., Serednyakov, S.I., Shary, V.V., Sidorov, V.A., Silagadze, Z.K., Usov, Yu.V., Vasiljev, A.V., Velikzhanin, Yu.S., and Zakharov, A.S., Nucl. Instrum. Methods in Phys. Res., A, 2000, vol. 449, p. 125. http://dx.doi.org/10.1016/S0168-9002(99)01302-9
Shatunov, Yu.M., Evstigneev, A.V., Ganyushin, D.I., Ivanov, P.M., Koop, I.A., Kuzminykh, V.S., Lysenko, A.P., Mezentsev, N.A., Mityanina, N.V., Nesterenko, I.N., Otboev, A.V., Perevedentsev, E.A., Petrov, V.M., Schwartz, D.B., Shatunov, P.Yu., Skrinsky, A.N., Valishev, A.A., and Volkov, V.N., Proc. of EPAC 2000. Inst. of High Energy Phys., Austrian Acad. Sci., Vienna, 2000, p. 439.
Berkaev, D., Kirpotin, A., Koop, I., Lysenko, A., Nesterenko, I., Otboyev, A., Perevedentsev, E., Rogovsky, Y., Romanov, A., Shatunov, P., Shatunov, Y., Shcwartz, D., Skrinsky, A., and Zemlyansky, I., Nucl. Phys. B (Proc. Suppl.), 2012, vols. 225–227, p. 303. http://dx.doi.org/10.1016/j.nuclphysbps.2012.02.063
Onuchin, A., Shamov, A., Skovpen, Yu., Vorobiov, A., Danilyuk, A., Gorodetskaya, T., and Kuznetsov, V., Nucl. Instrum. Methods in Phys. Res., A, 1992, vol. 315, p. 517; http://dx.doi.org/10.1016/0168-9002(92)90757-U
Barnykov, M.Yu., Buzykaev, A.R., Danilyuk, A.F., Ganzhur, S.F., Goldberg, I.I., Kolachev, G.M., Kononov, S.A., Kravchenko, E.A., Mikerov, V.I., Muraviova, T.M., Minakov, G.D., Onuchin, A.P., Sidorov, A.V., and Tayursky, V.A., Nucl. Instrum. and Methods in Phys. Res., A., 1998, vol. 419, p. 584; http://dx.doi.org/10.1016/S0168-9002(98)00871-7
Aul’chenko, V.M., Achasov, M.N., Barnyakov, A.Yu., Beloborodov, K.I., Berdyugin, A.V., Berkaev, D.E., Bogdanchikov, A.G., Botov, A.A., Vasil’ev, A.V., Vesenev, V.M., Golubev, V.B., Grevtsov, K.A., Dimova, T.V., Druzhinin, V.P., Zemlyanskii, I.M., Kardapol’tsev, L.V., Kasaev, A.S., Kirpotin, A.N., Kovrizhin, D.P., Koop, I.A., Korol’, A.A., Koshuba, S.V., Kravchenko, E.A., Kul’pin, A.Yu., Kupich, A.S., Lysenko, A.P., Martin, K.A., Mel’nikova, N.A., Muchnoi, N.Yu., Obrazovskii, A.E., Onuchin, A.P., Pakhtusova, E.V., Perevedentsev, E.A., Pugachev, K.V., Rogovskii, Yu.A., Rogozina, E.V., Romanov, A.L., Senchenko, A.I., Serednyakov, S.I., Silagadze, Z.K., Sirotkin, A.A., Skovpen’, K.Yu., Skrinskii, A.N., Surin, I.K., Tekut’ev, A.I., Tikhonov, Yu.A., Usov, Yu.V., Kharlamov, A.G., Zharinov, Yu.M., Shatunov, Yu.M., Shatunov, P.Yu., Shvarts, D.B., Shtol’, D.A., and Shukaev, A.N., Preprint of the Budker Inst. of Nucl. Phys., Novosibirsk, 2013, no. 12.
Abramov, G.N., Aul’chenko, V.M., Achasov, M.N., Beloborodov, K.I., Berdyugin, A.V., Bogdanchikov, A.G., Bozhenok, A.V., Bukin, D.A., Bukin, M.A., Burdin, S.V., Vasil’ev, A.V., Vesenev, V.M., Velikzhanin, Yu.S., Golubev, V.B., Danilyuk, A.F., Dimova, T.V., Drozdetskii, A.A., Druzhinin, V.P., Ivanov, P.M., Ivanchenko, V.N., Korol’, A.A., Koshuba, S.V., Kravchenko, E.A., Maksimov, L.V., Obrazovskii, A.E., Ovchar, A.V., Onuchin, A.P., Pakhtusova, E.V., Peshkov, M.A., Popov, V.M., Pyata, E.E., Sal’nikov, A.A., Serednyakov, S.I., Silagadze, Z.K., Sirotkin, A.A., Skripkin, A.G., Usov, Yu.V., Sharyi, V.V., and Shatunov, Yu.M., Preprint of the Budker Inst. of Nucl. Phys., Novosibirsk, 2001, no. 29.
Barnyakov, M.Y., Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Ganzhur, S.F., Goldberg, I.I., Kolachev, G.M., Kononov, S.A., Kravchenko, E.A., Minakov, G.D., Onuchin, A.P., Savinov, G.A., and Tayursky, V.A., Nucl. Instrum. and Methods in Phys. Res., A, 2000, vol. 453, p. 326; http://dx.doi.org/10.1016/S0168-9002(00)00653-7
Barnyakov, A.Yu., Barnyakov, M.Yu., Bobrovnikov, V.S., Buzykaev, A.R., Danilyuk, A.F., Guber, F.F., Kolachev, G.M., Kononov, S.A., Krasnov, V.A., Kravchenko, E.A., Kurepin, A.B., Minakov, G.D., Onuchin, A.P., Savinov, G.A., and Tayursky, V.A., Nucl. Instrum. Methods in Phys. Res., A, 2002, vol. 494, p. 424; http://dx.doi.org/10.1016/S0168-9002(02)01513-9
Anashin, V.V., Beschastnov, P.M., Golubev, V.B., Mironenko, L.A., Salnikov, A.A., and Serednyakov, S.I., Nucl. Instrum. Methods in Phys. Res., A, 1995, vol. 357, p. 103; http://dx.doi.org/10.1016/0168-9002(94)01546-5
Barnyakov, A.Yu., Barnyakov, M.Yu., Barutkin, V.V., Bobrovnikov, V.S., Buzykaev, A.R., Gulevich, V.V., Kononov, S.A., Kravchenko, E.A., Onuchin, A.P., and Tsigankov, D.A., Nucl. Instrum. Methods in Phys. Res., A, 2007, vol. 572, p. 404; http://dx.doi.org/10.1016/j.nima.2006.10.276
Barnyakov, A.Yu., Barnyakov, M.Yu., Barutkin, V.V., Bobrovnikov, V.S., Buzykaev, A.R., Daniluk, A.F., Kirillov, V.L., Kononov, S.A., Kravchenko, E.A., and Onuchin, A.P., Nucl. Instrum. Methods in Phys. Res., A, 2009, vol. 598, p. 166; http://dx.doi.org/10.1016/j.nima.2008.08.089
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Original Russian Text © A.Yu. Barnyakov, M.Yu. Barnyakov, K.I. Beloborodov, V.S. Bobrovnikov, A.R. Buzykaev, V.M. Vesenev, V.B. Golubev, S.A. Kononov, S.V. Koshuba, E.A. Kravchenko, K.A. Martin, A.P. Onuchin, S.I. Serednyakov, 2015, published in Pribory i Tekhnika Eksperimenta, 2015, No. 1, pp. 37–42.
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Barnyakov, A.Y., Barnyakov, M.Y., Beloborodov, K.I. et al. Testing aerogel Cherenkov counters with n = 1.05 using electrons and muons. Instrum Exp Tech 58, 30–35 (2015). https://doi.org/10.1134/S0020441215010029
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DOI: https://doi.org/10.1134/S0020441215010029