Zobrazeno 1 - 10
of 60
pro vyhledávání: '"P.Yu. Stepanov"'
Autor:
E. P. Solodov, S.V. Karpov, P.Yu. Stepanov, T. A. Purlats, Vassili Kazanin, A.A. Ruban, S.I. Redin, S. G. Pivovarov, I.G. Snopkov, V.G Zavarzin, V.P. Smakhtin, M.A. Nikulin, V.M. Titov, D.A. Gorbachev, V.S. Okhapkin, V.A. Sidorov, V. E. Fedorenko, B.I. Khazin, P. P. Krokovnyi, P.A. Lukin, S.E. Baru, S.I. Eidelman, E.V. Anashkin, A. N. Skrinskii, B. N. Shuvalov, A. B. Nomerotskii, A. Bondar, L.M. Barkov, A.A. Grebenyuk, R.R. Akhmetshin, A. S. Zaitsev, N. S. Bashtovoi, A.V. Bragin, Yu.V. Yudin, V.M. Aulchenko, A.L. Sibidanov, Fedor Ignatov, V. A. Monich, D. Epifanov, D.V. Chernyak, K.Yu. Mikhailov, D. N. Grigorev, Yu. M. Shatunov, I. V. Zhuravkov, A.S. Kuzmin, G. M. Kolachev, N. Gabyshev, I.B. Logashenko, N.M. Ryskulov, V.Sh. Banzarov, S.G. Zverev, A.G. Shamov, D.V. Bondarev, A.I. Sukhanov, A.S. Popov, N.I. Root, G.V. Fedotovich, B. A. Shvarts
Publikováno v:
Instruments and Experimental Techniques. 49:798-814
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
Autor:
Semen Eidelman, M. A. Nikulin, L.M. Barkov, A. I. Milstein, D. Epifanov, E.V. Anashkin, P.Yu. Stepanov, A.E. Bondar, B. L. Roberts, V.A. Sidorov, E. A. Kuraev, L.M. Kurdadze, Yu. M. Shatunov, Pavel Krokovny, E. P. Solodov, Andrej Arbuzov, J. A. Thompson, V. W. Hughes, J. P. Miller, D.V. Bondarev, G.V. Fedotovich, Andrey Vladimirovich Bogdan, N.M. Ryskulov, A.S. Zaitsev, Vladimir Smakhtin, R.R. Akhmetshin, B. Shwartz, A.S. Kuzmin, D.A. Gorbachev, A.L. Sibidanov, A.S. Popov, A. Baratt, P.A. Lukin, K.Yu. Mikhailov, Yu.E Lischenko, Vassili Kazanin, N. Gabyshev, V.Sh. Banzarov, A. A. Grebenuk, A.N. Skrinsky, I. Logashenko, B.I. Khazin, N.I. Root, F.V. Ignatov, D.N. Grigoriev
Publikováno v:
Physics Letters B. 578:285-289
The updated results of the precise measurements of the processes e + e − → ρ → π + π − , e + e − → ω → π + π − π 0 and e + e − → φ → K 0 L K 0 S performed by the CMD-2 Collaboration are presented. The update appeared nec
Autor:
E. P. Solodov, Igor Nesterenko, Yu.V. Yudin, Vassili Kazanin, D. Epifanov, N.I. Root, R.R. Akhmetshin, Alexander Valishev, A.A. Polunin, B. L. Roberts, A.V. Otboev, P.Yu. Stepanov, A.V. Bragin, V.S. Okhapkin, E.A. Perevedentsev, I.B. Logashenko, Fedor Ignatov, G.V. Fedotovitch, I.G. Snopkov, L.M. Barkov, N.S. Bashtovoy, S.E. Baru, A.S. Kuzmin, K.Yu. Mikhailov, A. P. Lysenko, N.M. Ryskulov, S.I. Eidelman, Yu. M. Shatunov, D.N. Grigoriev, A.A. Grebeniuk, A.G. Shamov, B.A. Shwartz, S.G. Zverev, J. A. Thompson, A.S. Zaitsev, P. Krokovny, A. Baratt, V.M. Aulchenko, V.Sh. Banzarov, V.A. Sidorov, A. I. Milstein, Alexey Pak, D.V. Bondarev, A.S. Popov, P.A. Lukin, A.N. Skrinsky, V. W. Hughes, N. Gabyshev, S.V. Karpov, A.L. Sibidanov, I. A. Koop, A.A. Ruban, S.I. Redin, D.A. Gorbachev, A.E. Bondar, B.I. Khazin
Publikováno v:
Physics Letters B. 562:173-181
The cross section of the process e + e − → ωπ 0 → π 0 π 0 γ has been measured in the c.m. energy range 920–1380 MeV with the CMD-2 detector. Its energy dependence is well described by the interference of the ρ (770) and ρ (1450) mesons
Autor:
R.R. Akhmetshin, V.M. Aulchenko, V.Sh. Banzarov, L.M. Barkov, S.E. Baru, N.S. Bashtovoy, A.E. Bondar, D.V. Bondarev, A.V. Bragin, S.K. Dhawan, S.I. Eidelman, D.A. Epifanov, G.V. Fedotovich, N.I. Gabyshev, D.A. Gorbachev, A.A. Grebeniuk, D.N. Grigoriev, V.W. Hughes, F.V. Ignatov, S.V. Karpov, V.F. Kazanin, B.I. Khazin, I.A. Koop, P.P. Krokovny, A.S. Kuzmin, I.B. Logashenko, P.A. Lukin, A.P. Lysenko, K.Yu. Mikhailov, I.N. Nesterenko, V.S. Okhapkin, A.V. Pak, A.A. Polunin, A.S. Popov, B.L. Roberts, N.I. Root, A.A. Ruban, N.M. Ryskulov, A.G. Shamov, Yu.M. Shatunov, B.A. Shwartz, A.L. Sibidanov, V.A. Sidorov, A.N. Skrinsky, I.G. Snopkov, E.P. Solodov, P.Yu. Stepanov, A.I. Sukhanov, J.A. Thompson, Yu.V. Yudin, S.G. Zverev
Publikováno v:
Physics Letters B. 551:27-34
The process $e^+e^- \to K^0_L K^0_S$ has been studied with the CMD-2 detector using about 950 events detected in the center-of-mass energy range from 1.05 to 1.38 GeV. The cross section exceeds the expectation based on the contributions of the rho(77
Autor:
E.V. Anashkin, A. P. Lysenko, L.M. Barkov, D.V. Chernyak, A.A. Grebeniuk, A.G. Shamov, E. P. Solodov, V.P. Smakhtin, N.I. Root, N.M. Ryskulov, V.A. Sidorov, F.V. Ignatov, W. V. Hughes, A.S. Kuzmin, Satish Dhawan, P. Krokovny, D.A. Gorbachev, B.I. Khazin, Igor Nesterenko, Yu. M. Shatunov, A.L. Sibidanov, Vassili Kazanin, G.V. Fedotovich, A.A. Ruban, I.B. Logashenko, N.S. Bashtovoy, P.Yu. Stepanov, V.Sh. Banzarov, S.E. Baru, Yu.V. Yudin, L.M. Kurdadze, I.G. Snopkov, J. A. Thompson, A.A. Polunin, V.S. Okhapkin, A.I. Sukhanov, D.V. Bondarev, A.V. Bragin, B.A. Shwartz, K.Yu. Mikhailov, S.G. Zverev, A.S. Popov, P.A. Lukin, R.R. Akhmetshin, A.N. Skrinsky, N. Gabyshev, B. L. Roberts, I. A. Koop, V.M. Aulchenko, A.E. Bondar, S.V. Karpov, D.N. Grigoriev, S.I. Eidelman
Publikováno v:
Physics of Atomic Nuclei. 65:1222-1227
The cross section for the process e + e − → K L 0 K S 0 is measured by using approximately 1000 events recorded by the CMD-2 detector at the VEPP-2M collider in the energy range from 1.05 to 1.38 GeV.
Autor:
P.Yu. Stepanov, K.Yu. Mikhailov, N.I. Root, S.V. Karpov, J. A. Thompson, A.A. Ruban, S.I. Redin, I.G. Snopkov, S.E. Baru, B.A. Shwartz, S.I. Eidelman, V.A. Sidorov, S.G. Zverev, Igor Nesterenko, Fedor Ignatov, D.N. Grigoriev, I. A. Koop, R.R. Akhmetshin, A.V. Otboev, Yu. M. Shatunov, V.M. Aulchenko, V.Sh. Banzarov, V.S. Okhapkin, D.A. Gorbachev, N.M. Ryskulov, N.S. Bashtovoy, Yu.V. Yudin, A.A. Polunin, E. P. Solodov, Alexander Valishev, E.A. Perevedentsev, A.V. Bragin, L.M. Barkov, A.S. Zaitsev, P.A. Lukin, Vassili Kazanin, G.V. Fedotovitch, I.B. Logashenko, A.A. Grebeniuk, A.S. Kuzmin, N. Gabyshev, A. P. Lysenko, A. I. Milstein, A.G. Shamov, D.V. Bondarev, A.S. Popov, A.E. Bondar, A.N. Skrinsky, P. Krokovny, A.L. Sibidanov, A. Baratt, B.I. Khazin, D. Epifanov
Publikováno v:
Physics Letters B. 509:217-226
The cross section of the process e + e − → ηγ has been measured in the 600–1380 MeV c.m. energy range with the CMD-2 detector. The following branching ratios have been determined: B ( ρ → ηγ )=(3.28±0.37±0.23)×10 −4 , B ( ω → η
Autor:
Alexander Valishev, M. Arpagaus, A.S. Kuzmin, V.A. Sidorov, N.I. Root, Igor Nesterenko, L.M. Kurdadze, M. Lechner, A.V. Otboev, A.A. Grebeniuk, P.Yu. Stepanov, B.A. Shwartz, V.M. Aulchenko, V.S. Okhapkin, A.G. Shamov, R.R. Akhmetshin, A.V. Bragin, A.S. Popov, V.Sh. Banzarov, V. W. Hughes, V.M. Titov, S.I. Eidelman, P.M. Ivanov, J. A. Thompson, S.G. Zverev, E. P. Solodov, K.Yu. Mikhailov, G.V. Fedotovitch, A.N. Skrinsky, Yu. M. Shatunov, N.M. Ryskulov, S.V. Karpov, Vassili Kazanin, Ivan Koop, A.L. Sibidanov, N.S. Bashtovoy, I.B. Logashenko, I.G. Snopkov, D.V. Bondarev, D.V. Chernyak, P.A. Lukin, A.I. Sukhanov, D.N. Grigoriev, P. Krokovny, A.A. Ruban, V.P. Smakhtin, Yu.V. Yudin, E.A. Perevedentsev, L.M. Barkov, E.V. Anashkin, T.A. Purlatz, F.V. Ignatov, N. Gabyshev, A.E. Bondar, B.I. Khazin
Publikováno v:
Physics Letters B. 501:191-199
Using 15.1 pb −1 of data collected by CMD-2 in the φ -meson energy range, the branching ratios of the following conversion decays have been measured: B ( φ → ηe + e − )=(1.14±0.10±0.06)×10 −4 , B ( η → e + e − γ )=(7.10±0.64±0.4
Autor:
A.S. Popov, A.V. Otboev, K.Yu. Mikhailov, Igor Nesterenko, V.S. Okhapkin, A.V. Bragin, E.A. Perevedentsev, P.Yu. Stepanov, Yu. M. Shatunov, V. W. Hughes, V.Sh. Banzarov, P.M. Ivanov, Ivan Koop, L.M. Barkov, E. P. Solodov, I.G. Snopkov, N.I. Root, Alexander Valishev, R.R. Akhmetshin, A.S. Kuzmin, Vassili Kazanin, N.S. Bashtovoy, D.V. Chernyak, V.M. Aulchenko, A.A. Ruban, F.V. Ignatov, P. Krokovny, S.V. Karpov, S.I. Redin, Yu.V. Yudin, A.L. Sibidanov, N.M. Ryskulov, G.V. Fedotovitch, M. Arpagaus, D.N. Grigoriev, A.A. Grebeniuk, A.G. Shamov, V.P. Smakhtin, J. A. Thompson, A.I. Sukhanov, S.I. Eidelman, D.V. Bondarev, B.A. Shwartz, S.G. Zverev, L.M. Kurdadze, A.N. Skrinsky, P.A. Lukin, M. S. Korostelev, V.A. Sidorov, T.A. Purlatz, N. Gabyshev, I.B. Logashenko, E.V. Anashkin, V.M. Titov, A.E. Bondar, B.I. Khazin
Publikováno v:
Physics Letters B. 494:26-32
Using 11.6 pb −1 of data collected in the energy range 0.864-1.06 GeV by CMD-2 at VEPP-2M, the rare decay mode φ → η ′ γ was observed via the decay chain η ′→ π + π − η , η → π + π − π 0 or η → π + π − γ . The follo
Autor:
Alexander Valishev, I.G. Snopkov, N.I. Root, P.Yu. Stepanov, P.M. Ivanov, A.V. Bragin, V.Sh. Banzarov, Yu. M. Shatunov, N.M. Ryskulov, E. P. Solodov, Yu.V. Yudin, A.I. Sukhanov, B.I. Khazin, E.A. Perevedentsev, R.R. Akhmetshin, D.N. Grigoriev, Vassili Kazanin, S.V. Karpov, D.V. Chernyak, L.M. Barkov, A.L. Sibidanov, M. Arpagaus, F.V. Ignatov, V.P. Smakhtin, N.S. Bashtovoy, J. A. Thompson, A.V. Otboev, A.S. Popov, A.S. Kuzmin, I.B. Logashenko, G.V. Fedotovitch, V.S. Okhapkin, E.V Anashkin, V. W. Hughes, B.A. Shwartz, K.Yu. Mikhailov, M. S. Korostelev, A.A Ruban, A.N. Skrinsky, S.I. Eidelman, P.A. Lukin, P. Krokovny, A.E. Bondar, S.G. Zverev, Igor Nesterenko, V.A. Sidorov, T.A. Purlatz, L.M. Kurdadze, N. Gabyshev, I. A. Koop, S.I. Redin, A. I. Milstein, V.M. Titov, D.V. Bondarev, V.M. Aulchenko, A.A. Grebeniuk, A.G. Shamov
Publikováno v:
Physics Letters B. 491:81-89
Using 11.6 pb −1 of data collected in the energy range 0.984–1.06GeV by CMD-2 at VEPP-2M, the cross section of the reaction e + e − →π + π − π + π − hasbeen studied. For the firsttime an interference patternwas observed in the energy
Autor:
A.A. Polunin, N.I. Root, P.A. Lukin, G.V. Fedotovich, L.M. Kurdadze, I.G. Snopkov, B.I. Khazin, A. I. Milstein, N. Gabyshev, I.B. Logashenko, Yu.V. Yudin, P. Krokovny, A.V. Bragin, N.M. Ryskulov, K.Yu. Mikhailov, B.A. Shwartz, A.A. Ruban, E.V. Anashkin, E. P. Solodov, Yu. M. Shatunov, S.G. Zverev, P.Yu. Stepanov, D.N. Grigoriev, T.A. Purlatz, A.S. Popov, Ivan Koop, Igor Nesterenko, A.S. Kuzmin, V.Sh. Banzarov, V.P. Smakhtin, A.I. Sukhanov, Fedor Ignatov, A. P. Lysenko, A. Bondar, A.A. Grebeniuk, L.M. Barkov, Vassili Kazanin, V.M. Aulchenko, A.G. Shamov, J. A. Thompson, A.N. Skrinsky, S.E. Baru, R.R. Akhmetshin, P.M. Ivanov, D.V. Chernyak, S.V. Karpov, N.S. Bashtovoy, V.A. Sidorov, V.S. Okhapkin, Evgeny Perevedentsev, S.I. Eidelman, A.L. Sibidanov
Publikováno v:
Physics Letters B. 489:125-130
The process e+e−→π+π−π+π−π0 has been studied in the center of mass energy range 1280 – 1380 MeV using 3.0 pb−1 of data collected with the CMD-2 detector in Novosibirsk. Analysis shows that the cross section of the five pion productio