Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Leontiev, V. M."'
Autor:
Sadovsky, A. S., Kurshetsov, V. F., Filin, A. P., Akimenko, S. A., Artamonov, A. V., Blik, A. M., Brekhovskikh, V. V., Burtovoy, V. S., Donskov, S. V., Inyakin, A. V., Gorin, A. M., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Konstantinov, A. S., Leontiev, V. M., Lishin, V. A., Medynsky, M. V., Mikhailov, Yu. V., Obraztsov, V. F., Polyakov, V. A., Popov, A. V., Romanovsky, V. I., Rykalin, V. I., Samoilenko, V. D., Semenov, V. K., Stenyakin, O. V., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P., Duk, V. A., Filippov, S. N., Gushchin, E. N., Khudyakov, A. A., Kravtsov, V. I., Kudenko, Yu. G., Polyarush, A. Yu., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., Zalikhanov, B. Zh.
Publikováno v:
Eur. Phys. J. C (2018) 78: 92
A high statistics data sample of the $K^{+}\to\mu^{+}\nu_{\mu}$ decay was accumulated by the OKA experiment in 2012. The missing mass analysis was performed to search for the decay channel $K^{+}\to\mu^{+}\nu_{H}$ with a hypothetic stable heavy neutr
Externí odkaz:
http://arxiv.org/abs/1709.01473
Autor:
Yushchenko, O. P., Kurshetsov, V. F., Filin, A. P., Akimenko, S. A., Artamonov, A. V., Blik, A. M., Brekhovskikh, V. V., Burtovoy, V. S., Donskov, S. V., Inyakin, A. V., Gorin, A. M., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Konstantinov, A. S., Leontiev, V. M., Lishin, V. A., Medynsky, M. V., Mikhailov, Yu. V., Obraztsov, V. F., Polyakov, V. A., Popov, A. V., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoilenko, V. D., Semenov, V. K., Stenyakin, O. V., Tchikilev, O. G., Uvarov, V. A., Duk, V. A., Filippov, S. N., Guschin, E. V., Kudenko, Yu. G., Khudyakov, A. A., Kravtsov, V. I., Polyarush, A. Yu., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., Zalikhanov, B. Zh.
Recent results from OKA setup concerning form factor studies in $K_{e3}$ decay are presented. About 5.25M events are selected for the analysis. The linear and quadratic slopes for the decay formfactor $f_{+}(t)$ are measured: $\lambda'_{+}=(26.1 \pm
Externí odkaz:
http://arxiv.org/abs/1708.09587
Autor:
collaboration, ISTRA, Duk, V. A., Bolotov, V. N., Khudyakov, A. A., Lebedev, V. A., Makarov, A. I., Novikov, V. P., Polyarush, A. Yu., Akimenko, S. A., Britvich, G. I., Filin, A. P., Inyakin, A. V., Kholodenko, S. A., Leontiev, V. M., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Stenyakin, O. V., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P.
Publikováno v:
Phys.Lett.B710:307-317,2012
Heavy neutrino nu_h with m_h < 300MeV/c^2 can be effectively searched for in kaon decays. We put upper limits on mixing matrix element |U_mu_h}|^2 for radiatively decaying nu_h from K->mu nu_h (nu_h -> nu gamma) decay chain in the following parameter
Externí odkaz:
http://arxiv.org/abs/1110.1610
Autor:
Collaboration, The ISTRA, Duk, V. A., Bolotov, V. N., Khudyakov, A. A., Lebedev, V. A., Makarov, A. I., Novikov, V. P., Polyarush, A. Yu., Akimenko, S. A., Britvich, G. I., Filin, A. P., Inyakin, A. V., Korolkov, I. Ya., Leontiev, V. M., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P.
Publikováno v:
Phys.Lett.B695:59-66,2011
The radiative decay K->mu nu gamma has been studied at ISTRA+ setup in a new kinematical region. About 22K events of K^- -> mu^- nu_mu gamma have been observed. The sign and value of Fv-Fa have been measured for the first time. The result is Fv-Fa=0.
Externí odkaz:
http://arxiv.org/abs/1005.3517
Autor:
Romanovsky, V. I., Akimenko, S. A., Britvich, G. I., Datsko, K. V., Filin, A. P., Inyakin, A. V., Konstantinov, A. S., Korolkov, I. Y., Khmelnikov, V. A., Leontiev, V. M., Novikov, V. P., Obraztsov, V. F., Polyakov, V. A., Shelikhov, V. I., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P., Bolotov, V. N., Duk, V. A., Laptev, S. V., Polyarush, A. Yu.
The branching fraction for the decay $K^{-} \to \pi^{0} e \bar \nu$ is measured using in-flight decays detected with {\bf ISTRA+} setup working at the 25 GeV negative secondary beam of the U-70 PS:\linebreak $Br_{K_{e3}}= (5.124 \pm 0.009 (stat) \pm
Externí odkaz:
http://arxiv.org/abs/0704.2052
Autor:
Bolotov, V. N., Guschin, E. N., Duk, V. A., Laptev, S. V., Lebedev, V. A., Mazurov, A. E., Polyarush, A. Yu., Postoev, V. E., Akimenko, S. A., Britvich, G. I., Datsko, K. V., Filin, A. P., Inyakin, A. V., Konstantinov, V. F., Konstantinov, A. S., Korolkov, I. Y., Khmelnikov, V. A., Leontiev, V. M., Novikov, V. P., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Shelikhov, V. I., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P.
Publikováno v:
Yad. Fiz.70, 1 (2007), Phys. Atom. Nucl.70, 29 (2007), PoSKAON:029,2008
Results of study of the radiative kaon decay K-->pi0 e nu gamma at ISTRA+ setup are presented. 4476 events of this decay have been observed. The branching ratio is measured.
Comment: 9 pages, 9 figures
Comment: 9 pages, 9 figures
Externí odkaz:
http://arxiv.org/abs/hep-ex/0510064
Autor:
Uvarov, V. A., Akimenko, S. A., Britvich, G. I., Datsko, K. V., Filin, A. P., Inyakin, A. V., Khmelnikov, V. A., Konstantinov, A. S., Konstantinov, V. F., Korolkov, I. Y., Leontiev, V. M., Novikov, V. P., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Ronjin, V. M., Shelikhov, V. I., Smirnov, N. E., Tchikilev, O. G., Yushchenko, O. P., Bolotov, V. N., Duk, V. A., Laptev, S. V., Polyarush, A. Yu.
Publikováno v:
Phys.Atom.Nucl.69:26-34,2006
The branching ratio in the charged-pion kinetic energy region of 55 to 90 MeV for the direct photon emission in the K- --> pi- pi0 gamma decay has been measured using in-flight decays detected with the ISTRA+ setup operating in the 25 GeV/c negative
Externí odkaz:
http://arxiv.org/abs/hep-ex/0410049
Autor:
SPHINX Collaboration, Antipov, Yu. M., Artamonov, A. V., Batarin, V. A., Eroshin, O. V., Kolganov, V. Z., Konstantinov, A. S., Kozhevnikov, A. P., Kurshetsov, V. F., Kushnirenko, A. E., Landsberg, L. G., Leontiev, V. M., Lomkatsi, G. S., Mukhin, V. A., Molchanov, V. V., Nilov, A. P., Patalakha, D. I., Petrenko, S. V., Petrukhin, A. I., Smolyankin, V. T., Vavilov, D. V., Victorov, V. A.
Publikováno v:
Eur.Phys.J.A21:455-468,2004
A search for narrow Theta(1540)^+, a candidate for pentaquark baryon with positive strangeness, has been performed in an exclusive proton-induced reaction p+C(N) \to Theta^+ \bar{K}^0 + C(N) on carbon nuclei or quasifree nucleons at E_{beam}=70 GeV (
Externí odkaz:
http://arxiv.org/abs/hep-ex/0407026
Autor:
Antipov, Yu. M., Artamonov, A. V., Batarin, V. A., Vavilov, D. V., Victorov, V. A., Eroshin, O. V., Golovkin, S. V., Gorin, Yu. P., Kolganov, V. Z., Kozhevnikov, A. P., Konstantinov, A. S., Kubarovsky, V. P., Kurshetsov, V. F., Landsberg, L. G., Leontiev, V. M., Lomkatsi, G. S., Molchanov, V. V., Mukhin, V. A., Nilov, A. F., Patalakha, D. I., Petrenko, S. V., Smolyankin, V. T.
Publikováno v:
Phys.Lett.B604:22-30,2004
The radiative decay \Lambda(1520) --> \Lambda \gamma was measured directly in the study of exclusive diffractive-like reaction p + N --> \Lambda(1520) K^+ + N, \Lambda(1520) --> \Lambda \gamma with the SPHINX spectrometer. The values of the branching
Externí odkaz:
http://arxiv.org/abs/hep-ex/0406039
Autor:
Yushchenko, O. P., Akimenko, S. A., Britvich, G. I., Datsko, K. V., Filin, A. P., Inyakin, A. V., Konstantinov, A. S., Konstantinov, V. F., Korolkov, I. Y., Khmelnikov, V. A., Leontiev, V. M., Novikov, V. P., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Ronjin, V. M., Shelikhov, V. I., Smirnov, N. E., Tchikilev, O. G., Uvarov, V. A., Bolotov, V. N., Laptev, S. V., Polyarush, A. Yu.
Publikováno v:
Phys.Lett.B589:111-117,2004
The decay K- -> pi0 e- nu is studied using in-flight decays detected with the ISTRA+ spectrometer. About 920K events are collected for the analysis. The lambda+ slope parameter of the decay form-factor f+(t) in the linear approximation (average slope
Externí odkaz:
http://arxiv.org/abs/hep-ex/0404030