Measurement of decays into final states and

V. V. Anashin; O. V. Anchugov; V. M. Aulchenko; E. M. Baldin; G. N. Baranov; A. K. Barladyan; A. Yu. Barnyakov; M. Yu. Barnyakov; S. E. Baru; I. Yu. Basok; A. M. Batrakov; E. A. Bekhtenev; A. E. Blinov; V. E. Blinov; A. V. Bobrov; V. S. Bobrovnikov; A. V. Bogomyagkov; A. E. Bondar; A. R. Buzykaev; P. B. Cheblakov; V. L. Dorohov; S. I. Eidelman; S. A. Glukhov; D. N. Grigoriev; V. V. Kaminskiy; S. E. Karnaev; G. V. Karpov; S. V. Karpov; K. Yu. Karukina; D. P. Kashtankin; A. A. Katsin; T. A. Kharlamova; V. A. Kiselev; V. V. Kolmogorov; S. A. Kononov; K. Yu. Kotov; A. A. Krasnov; E. A. Kravchenko; V. N. Kudryavtsev; V. F. Kulikov; E. A. Kuper; G. Ya. Kurkin; I. A. Kuyanov; E. B. Levichev; D. A. Maksimov; V. M. Malyshev; A. L. Maslennikov; O. I. Meshkov; S. I. Mishnev; I. A. Morozov; I. I. Morozov; N. Yu. Muchnoi; V. V. Neufeld; S. A. Nikitin; I. B. Nikolaev; I. N. Okunev; A. P. Onuchin; S. B. Oreshkin; A. A. Osipov; I. V. Ovtin; S. V. Peleganchuk; V. V. Petrov; P. A. Piminov; S. G. Pivovarov; V. G. Prisekin; O. L. Rezanova; A. A. Ruban; V. K. Sandyrev; G. A. Savinov; A. G. Shamov; D. N. Shatilov; L. I. Shekhtman; D. A. Shvedov; B. A. Shwartz; E. A. Simonov; S. V. Sinyatkin; A. N. Skrinsky; A. V. Sokolov; E. V. Starostina; D. P. Sukhanov; A. M. Sukharev; A. A. Talyshev; V. A. Tayursky; V. I. Telnov; Yu. A. Tikhonov; K. Yu. Todyshev; A. G. Tribendis; G. M. Tumaikin; Yu. V. Usov; A. I. Vorobiov; V. N. Zhilich; A. A. Zhukov; V. V. Zhulanov; A. N. Zhuravlev

doi:10.1140/epjc/s10052-022-10879-9

2022 Impact factor 4.4

Particles and Fields

Open Access

Eur. Phys. J. C (2022) 82: 938
https://doi.org/10.1140/epjc/s10052-022-10879-9

Regular Article - Experimental Physics

Measurement of decays into final states and

V. V. Anashin¹, O. V. Anchugov¹, V. M. Aulchenko¹^,2, E. M. Baldin¹^,2, G. N. Baranov¹^,3, A. K. Barladyan¹, A. Yu. Barnyakov¹^,3, M. Yu. Barnyakov¹^,2, S. E. Baru¹^,2, I. Yu. Basok¹, A. M. Batrakov¹, E. A. Bekhtenev¹, A. E. Blinov¹^,2, V. E. Blinov¹^,2^,3, A. V. Bobrov¹^,2, V. S. Bobrovnikov¹^,2, A. V. Bogomyagkov¹^,2, A. E. Bondar¹^,2, A. R. Buzykaev¹^,2, P. B. Cheblakov¹, V. L. Dorohov¹, S. I. Eidelman¹^,2, S. A. Glukhov¹, D. N. Grigoriev¹^,2^,3, V. V. Kaminskiy¹, S. E. Karnaev¹, G. V. Karpov¹, S. V. Karpov¹, K. Yu. Karukina¹, D. P. Kashtankin¹, A. A. Katsin¹^,2, T. A. Kharlamova¹^,2, V. A. Kiselev¹, V. V. Kolmogorov¹, S. A. Kononov¹^,2, K. Yu. Kotov¹, A. A. Krasnov¹, E. A. Kravchenko¹^,2, V. N. Kudryavtsev¹, V. F. Kulikov¹^,2, E. A. Kuper¹^,2, G. Ya. Kurkin¹^,3, I. A. Kuyanov¹, E. B. Levichev¹^,3, D. A. Maksimov¹^,2, V. M. Malyshev¹^az, A. L. Maslennikov¹^,2, O. I. Meshkov¹^,2, S. I. Mishnev¹, I. A. Morozov¹, I. I. Morozov¹^,2, N. Yu. Muchnoi¹^,2, V. V. Neufeld¹, S. A. Nikitin¹, I. B. Nikolaev¹^,2, I. N. Okunev¹, A. P. Onuchin¹^,2^,3, S. B. Oreshkin¹, A. A. Osipov¹^,2, I. V. Ovtin¹^,2, S. V. Peleganchuk¹^,2, V. V. Petrov¹, P. A. Piminov¹, S. G. Pivovarov¹^,3, V. G. Prisekin¹^,2, O. L. Rezanova¹^,2, A. A. Ruban¹^,2, V. K. Sandyrev¹, G. A. Savinov¹, A. G. Shamov¹^,2, D. N. Shatilov¹, L. I. Shekhtman¹, D. A. Shvedov¹, B. A. Shwartz¹^,2, E. A. Simonov¹, S. V. Sinyatkin¹, A. N. Skrinsky¹, A. V. Sokolov¹^,2, E. V. Starostina¹^,2, D. P. Sukhanov¹, A. M. Sukharev¹^,2, A. A. Talyshev¹^,2, V. A. Tayursky¹^,2, V. I. Telnov¹^,2, Yu. A. Tikhonov¹^,2, K. Yu. Todyshev¹^,2, A. G. Tribendis¹, G. M. Tumaikin¹, Yu. V. Usov¹, A. I. Vorobiov¹, V. N. Zhilich¹^,2, A. A. Zhukov¹, V. V. Zhulanov¹^,2 and A. N. Zhuravlev¹^,2

¹ Budker Institute of Nuclear Physics, 11, akademika Lavrentieva prospect, 630090, Novosibirsk, Russia
² Novosibirsk State University, 2, Pirogova street, 630090, Novosibirsk, Russia
³ Novosibirsk State Technical University, 20, Karl Marx prospect, 630092, Novosibirsk, Russia

^az V.M.Malyshev@inp.nsk.su

Received: 22 June 2022
Accepted: 5 October 2022
Published online: 22 October 2022

Abstract

Using the 1.32 statistics collected at the peak with the KEDR detector at the VEPP-4M collider, we measured the branching fractions of meson decays to the final states 2(, , 2( and . The results obtained for the decays 2(, contradict the measurements performed by other groups in the last century, but agree well with recent results of BABAR and BESIII collaborations.

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Funded by SCOAP³. SCOAP³ supports the goals of the International Year of Basic Sciences for Sustainable Development.

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