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6 results on '"Obraztsov, V F"'

1. The Upper Limit on the K+ → π0π0π0e+ν Decay

Author

Artamonov, A. V., Bychkov, V. N., Donskov, S. V., Filin, A. P., Filippov, S. N., Gorin, A. M., Gushchin, E. N., Inyakin, A. V., Kekelidze, G. D., Khaustov, G. V., Kholodenko, S. A., Khudyakov, A. A., Kolosov, V. N., Konoplyannikov, A. K., Kravtsov, V. I., Kudenko, Yu. G., Kulik, A. V., Kurshetsov, V. F., Lishin, V. A., Lysan, V. M., Medynsky, M. V., Obraztsov, V. F., Okhotnikov, A. V., Polyakov, V. A., Polyarush, A. Yu., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoylenko, V. D., Shapkin, M. M., Tiurin, I. S., Uvarov, V. A., Yushchenko, O. P., and Zalikhanov, B. Zh.

Published
2024
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2. Measurement of the T-Odd Correlation in the K+ → π0e+νeγ Radiative Decay at the OKA Setup

Author

Polyarush, A. Yu., Akimenko, S. A., Artamonov, A. V., Bychkov, V. N., Gorin, A. M., Gushchin, E. N., Donskov, S. V., Duk, V. A., Zalikhanov, B. Zh., Inyakin, A. V., Kekelidze, G. D., Kolosov, V. N., Kravtsov, V. I., Kudenko, Yu. G., Kulik, A. V., Kurshetsov, V. F., Lishin, V. A., Lysan, V. M., Medynsky, M. V., Obraztsov, V. F., Okhotnikov, A. V., Polyakov, V. A., Romanovsky, V. I., Rykalin, V. I., Sadovsky, A. S., Samoilenko, V. D., Tyurin, I. S., Uvarov, V. A., Filin, A. P., Filippov, S. N., Khaustov, G. V., Kholodenko, S. A., Khudyakov, A. A., Tchikilev, O. G., and Yushchenko, O. P.

Published
2022
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3. Ke3 Decay Studies in the OKA Experiment

Author

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. N., Kudenko, Yu. G., Khudyakov, A. A., Kravtsov, V. I., Polyarush, A. Yu., Bychkov, V. N., Kekelidze, G. D., Lysan, V. M., and Zalikhanov, B. Zh.

Published
2018
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4. Measurement of the T-Odd Correlation in the K+ → π0e+νeγ Radiative Decay at the OKA Setup.

Author

Polyarush, A. Yu., Akimenko, S. A., Artamonov, A. V., Bychkov, V. N., Gorin, A. M., Gushchin, E. N., Donskov, S. V., Duk, V. A., Zalikhanov, B. Zh., Inyakin, A. V., Kekelidze, G. D., Kolosov, V. N., Kravtsov, V. I., Kudenko, Yu. G., Kulik, A. V., Kurshetsov, V. F., Lishin, V. A., Lysan, V. M., Medynsky, M. V., and Obraztsov, V. F.

Subjects
MEASUREMENT
Abstract

The T-odd correlation , which is the mixed product of the momenta of , , and γ in the system of rest of the kaon divided by , has been measured in the K+ → π0e+νeγ radiative decay among 101 200 candidate events detected at the OKA setup. The asymmetry of the distribution in is characterized by the ratio , where is the number of events with positive (negative) ξ. The value = (+0.1 ± 3.9(stat.) ± 1.7(syst.)) × 10–3 or (90% C.L.) has been obtained. [ABSTRACT FROM AUTHOR]

Published
2022
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5. Ke3 Decay Studies in the OKA Experiment

Author

Yushchenko, O. P., primary, Kurshetsov, V. F., additional, Filin, A. P., additional, Akimenko, S. A., additional, Artamonov, A. V., additional, Blik, A. M., additional, Brekhovskikh, V. V., additional, Burtovoy, V. S., additional, Donskov, S. V., additional, Inyakin, A. V., additional, Gorin, A. M., additional, Khaustov, G. V., additional, Kholodenko, S. A., additional, Kolosov, V. N., additional, Konstantinov, A. S., additional, Leontiev, V. M., additional, Lishin, V. A., additional, Medynsky, M. V., additional, Mikhailov, Yu. V., additional, Obraztsov, V. F., additional, Polyakov, V. A., additional, Popov, A. V., additional, Romanovsky, V. I., additional, Rykalin, V. I., additional, Sadovsky, A. S., additional, Samoilenko, V. D., additional, Semenov, V. K., additional, Stenyakin, O. V., additional, Tchikilev, O. G., additional, Uvarov, V. A., additional, Duk, V. A., additional, Filippov, S. N., additional, Guschin, E. N., additional, Kudenko, Yu. G., additional, Khudyakov, A. A., additional, Kravtsov, V. I., additional, Polyarush, A. Yu., additional, Bychkov, V. N., additional, Kekelidze, G. D., additional, Lysan, V. M., additional, and Zalikhanov, B. Zh., additional

Published
2017
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6. <italic>K</italic><italic>e</italic>3 Decay Studies in the OKA Experiment.

Author

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., and Obraztsov, V. F.

Subjects
KAON decay, PARTICLE physics, SPECTROMETERS, ELECTRONS, QUADRATIC equations
Abstract

Recent results from OKA setup concerning form factor studies in Ke3 decay are presented. About 5.25 M events obtained for decays of 17.7 GeV/cK+ are selected for the analysis. The linear and quadratic slopes for the decay form factor f+(t) are measured: λ+ = 2.95 ± 0.022 ± 0.018 × 10-2 for the linear slope fit and λ'+ = (2.611 ± 0.035 ± 0.028) × 10-2, λ"+ = (1.91 ± 0.19 ± 0.14) × 10-3 for the quadratic one. The scalar and tensor contributions are compatible with zero. Several alternative parametrizations are tried: the Pole fit parameter is found to be MV = 891 ± 3 MeV; the parameter of the dispersive parametrization is measured to be Λ+ = (2.458 ± 0.018) × 10-2. [ABSTRACT FROM AUTHOR]

Published
2018
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