Ke3 Decay Studies in the OKA Experiment
- Авторлар: Yushchenko O.P.1, Kurshetsov V.F.1, Filin A.P.1, Akimenko S.A.1, Artamonov A.V.1, Blik A.M.1, Brekhovskikh V.V.1, Burtovoy V.S.1, Donskov S.V.1, Inyakin A.V.1, Gorin A.M.1, Khaustov G.V.1, Kholodenko S.A.1, Kolosov V.N.1, Konstantinov A.S.1, Leontiev V.M.1, Lishin V.A.1, Medynsky M.V.1, Mikhailov Y.V.1, Obraztsov V.F.1, Polyakov V.A.1, Popov A.V.1, Romanovsky V.I.1, Rykalin V.I.1, Sadovsky A.S.1, Samoilenko V.D.1, Semenov V.K.1, Stenyakin O.V.1, Tchikilev O.G.1, Uvarov V.A.1, Duk V.A.2, Filippov S.N.2, Guschin E.N.2, Kudenko Y.G.2, Khudyakov A.A.2, Kravtsov V.I.2, Polyarush A.Y.3, Bychkov V.N.3, Kekelidze G.D.3, Lysan V.M.3, Zalikhanov B.Z.3
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Мекемелер:
- Institute for High Energy Physics
- Institute for Nuclear Research
- Joint Institute for Nuclear Research
- Шығарылым: Том 107, № 3 (2018)
- Беттер: 139-142
- Бөлім: Fields, Particles, and Nuclei
- URL: https://journals.rcsi.science/0021-3640/article/view/160769
- DOI: https://doi.org/10.1134/S0021364018030037
- ID: 160769
Дәйексөз келтіру
Аннотация
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.
Авторлар туралы
O. Yushchenko
Institute for High Energy Physics
Хат алмасуға жауапты Автор.
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Kurshetsov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Filin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
S. Akimenko
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Artamonov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Blik
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Brekhovskikh
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Burtovoy
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
S. Donskov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Inyakin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Gorin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
G. Khaustov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
S. Kholodenko
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Kolosov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Konstantinov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Leontiev
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Lishin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
M. Medynsky
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
Yu. Mikhailov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Obraztsov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Polyakov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Popov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Romanovsky
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Rykalin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
A. Sadovsky
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Samoilenko
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Semenov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
O. Stenyakin
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
O. Tchikilev
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Uvarov
Institute for High Energy Physics
Email: Oleg.Yushchenko@ihep.ru
Ресей, Protvino, Moscow region, 142281
V. Duk
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
S. Filippov
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
E. Guschin
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
Yu. Kudenko
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
A. Khudyakov
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
V. Kravtsov
Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Troitsk, Moscow, 142190
A. Polyarush
Joint Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Dubna, Moscow region, 141980
V. Bychkov
Joint Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Dubna, Moscow region, 141980
G. Kekelidze
Joint Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Dubna, Moscow region, 141980
V. Lysan
Joint Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Dubna, Moscow region, 141980
B. Zalikhanov
Joint Institute for Nuclear Research
Email: Oleg.Yushchenko@ihep.ru
Ресей, Dubna, Moscow region, 141980
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