Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Filippov, S N."'
Autor:
Kulik, A. V., Filippov, S. N., Gushchin, E. N., Khudyakov, A. A., Kravtsov, V. I., Kudenko, Yu. G., Polyarush, A. Yu., Artamonov, A. V., Donskov, S. V., Filin, A. P., Gorin, A. M., Inyakin, A. V., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Konoplyannikov, A. K., Kurshetsov, V. F., Lishin, V. A., Medynsky, M. V., Obraztsov, V. F., Okhotnikov, A. V., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoylenko, V. D., Tiurin, I. S., Uvarov, V. A., Yushchenko, O. P.
A search for the $K^{+} \to \pi^{0}\pi^{0}\pi^{0}e^+\nu$ decay is performed by the OKA collaboration. The search is based on $3.65 \times 10^9 ~ K^+$ decays. No signal is observed. The upper limit set is $BR(K^{+} \to \pi^{0}\pi^{0}\pi^{0}e^+\nu) < 5
Externí odkaz:
http://arxiv.org/abs/2409.08817
Autor:
Filippov, S. N., Gushchin, E. N., Khudyakov, A. A., Kravtsov, V. I., Kudenko, Yu G., Kulik, A. V., Polyarush, A. Yu., Artamonov, A. V., Donskov, S. V., Filin, A. P., Gorin, A. M., Inyakin, A. V., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Kurshetsov, V. F., Lishin, V. A., Medynsky, M. V., Obraztsov, V. F., Okhotnikov, A. V., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoylenko, V. D., Tiurin, I. S., Uvarov, V. A., Yushchenko, O. P., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., Zalikhanov, B. Zh.
The $K^{+} \to \pi^{+}\pi^{0}\pi^{0}\gamma$ decay is observed by the OKA collaboration. The branching ratio is measured to be $(4.1 \pm 0.9(stat) \pm 0.4(syst))\times 10^{-6}$. The branching ratio and $\gamma$ energy spectrum are consistent with ChPT
Externí odkaz:
http://arxiv.org/abs/2310.19652
Autor:
Sadovsky, A. S., Filin, A. P., Akimenko, S. A., Artamonov, A. V., Blik, A. M., Donskov, S. V., Gorin, A. M., Inyakin, A. V., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Kurshetsov, V. F., Lishin, V. A., Medynsky, M. V., Obraztsov, V. F., Okhotnikov, A. V., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Samoylenko, V. D., Tiurin, I. S., Uvarov, V. A., Yushchenko, O. P., Filippov, S. N., Gushchin, E. N., Khudyakov, A. A., Kravtsov, V. I., Kudenko, Yu G., Kulik, A. V., Polyarush, A. Yu., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., Zalikhanov, B. Zh.
Publikováno v:
Eur. Phys. J. C 84, 266 (2024)
A high statistics data sample of the $K^{+}$ decays is recorded by the OKA collaboration. A missing mass analysis is performed to search for a light invisible pseudoscalar axion-like particle (ALP) $a$ in the decay $K^{+} \to \pi^{+} \pi^{0} a$. No s
Externí odkaz:
http://arxiv.org/abs/2310.16429
Autor:
Polyarush, A. Yu., Akimenko, S. A., Artamonov, A. V., Bychkov, V. N., Donskov, S. V., Duka, V. A., Inyakin, A. V., Gorin, A. M., Gushchin, E. N., Filin, A. P., Filippov, S. N., Kekelidze, G. D., Kolosov, V. N., Kravtsov, V. I., Khaustov, G. V., Kholodenko, S. A., Khudyakov, A. A., Kudenko, Yu. G., Kulik, A. V., Kurshetsov, V. F., Lishin, V. A., Lysan, V. M., Medynsky, M. V., Obraztsov, V. F., Ohotnikov, A. V., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoilenko, V. D., Tyurin, I. S., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P., Zalikhanov, B. Zh.
Publikováno v:
Pisma JETP 116 (2022) 586, JETP Letters
The paper presents a measurement of the T-odd correlation in radiation decay \boldmath $K^+ \rightarrow \pi^{0} e^{+} \nu_{e} \gamma $ performed on the installation of the 101200 candidate events of the investigated decay were identified. Measured co
Externí odkaz:
http://arxiv.org/abs/2210.15535
Autor:
Holevo, A. S., Filippov, S. N.
Publikováno v:
Lett Math Phys 113, 10 (2023)
Basing on recently developed convex programming framework in the paper [arXiv:2204.10626], we provide a proof for a long-standing conjecture on optimality of Gaussian encondings for the ultimate communication rate of generalized heterodyne receivers
Externí odkaz:
http://arxiv.org/abs/2206.02133
Autor:
Luchnikov, I. A., Kiktenko, E. O., Gavreev, M. A., Ouerdane, H., Filippov, S. N., Fedorov, A. K.
Publikováno v:
Phys. Rev. Research 4, 043002 (2022)
A precise understanding of the influence of a quantum system's environment on its dynamics, which is at the heart of the theory of open quantum systems, is crucial for further progress in the development of controllable large-scale quantum systems. H
Externí odkaz:
http://arxiv.org/abs/2103.14490
Publikováno v:
SciPost Phys. 10, 079 (2021)
Many theoretical problems in quantum technology can be formulated and addressed as constrained optimization problems. The most common quantum mechanical constraints such as, e.g., orthogonality of isometric and unitary matrices, CPTP property of quan
Externí odkaz:
http://arxiv.org/abs/2011.01894
Autor:
Polyarush, A. Yu., Duk, V. A., Filippov, S. N., Guschin, E. N., Khudyakov, A. A., Kravtsov, V. I., Kudenko, Yu. G., Akimenko, S. A., Artamonov, A. V., Blik, A. M., Burtovoy, V. S., Donskov, S. V., Filin, A. P., Inyakin, A. V., Gorin, A. M., Khaustov, G. V., Kholodenko, S. A., Kolosov, V. N., Kurshetsov, V. F., Lishin, V. A., Medynsky, M. V., Mikhailov, Yu. V., Obraztsov, V. F., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoilenko, V. D., Shapkin, M. M., Stenyakin, O. V., Tchikilev, O. G., Uvarov, V. A., Yushchenko, O. P., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., Zalikhanov, B. Zh.
Results of a study of the $K^+ \rightarrow \pi^{0} e^{+} \nu \gamma $ decay at OKA setup are presented. More than 32000 events of this decay are observed. The differential spectra over the photon energy and the photon-electron opening angle in kaon r
Externí odkaz:
http://arxiv.org/abs/2010.07983
Publikováno v:
Entropy 2020, 22(10), 1184
In contrast to classical systems, actual implementation of non-Hermitian Hamiltonian dynamics for quantum systems is a challenge because the processes of energy gain and dissipation are based on the underlying Hermitian system-environment dynamics th
Externí odkaz:
http://arxiv.org/abs/2009.10004
Autor:
Zhuravlev, V. A., Filippov, S. N.
Publikováno v:
Lobachevskii J. Math. 41, 2405-2414 (2020)
State of a $d$-dimensional quantum system can only be inferred by performing an informationally complete measurement with $m\geqslant d^2$ outcomes. However, an experimentally accessible measurement can be informationally incomplete. Here we show tha
Externí odkaz:
http://arxiv.org/abs/2004.00966