Научная деятельность

Статьи (28) Подробнее

1	Achasov N.N. , Shestakov G.N. Estimate of the S-wave D K scattering length in the isospin-0 channel from Belle and LHCb data Physical Review D: Particles and fields. 2025. V.111. N7. 076022 :1-8. DOI: 10.1103/PhysRevD.111.076022 Scopus OpenAlex
2	Achasov N.N. , Shestakov G.N. Toward an estimate of the amplitude X(3872) → π0χ c1(1P) Physical Review D: Particles and fields. 2024. V.109. N3. 036028 :1-11. DOI: 10.1103/PhysRevD.109.036028 WOS Scopus РИНЦ OpenAlex
3	Achasov N.N. , Shestakov G.N. Tentative estimates of B(X(3872) → π0π0χ c1) and B(X(3872) → π + π − χ c1) Physical Review D: Particles and fields. 2024. V.110. N01. 016023 :1-9. DOI: 10.1103/PhysRevD.110.016023 WOS Scopus РИНЦ OpenAlex
4	Achasov N.N. , Shestakov G.N. Qualitative explanation of the data on the decays D0 → a0(980) π∓ and D+ → a0(980)+(0)π0(+) in the four-quark model of the a0(980) resonance Physical Review D: Particles and fields. 2024. V.110. N01. 016025 :1-3. DOI: 10.1103/PhysRevD.110.016025 WOS Scopus РИНЦ OpenAlex
5	Achasov N.N. , Kiselev A.V. , Shestakov G.N. Four-Quark Nature of Light Scalar Mesons Physics of Particles and Nuclei Letters. 2023. V.20. N3. P.306–313. DOI: 10.1134/S1547477123030020 WOS Scopus РИНЦ OpenAlex
6	Ачасов Н.Н. , Киселев А.В. , Шестаков Г.Н. Четырехкварковая природа легких скалярных мезонов Письма в журнал "Физика элементарных частиц и атомного ядра". 2023. Т.20. №3. С.331-. РИНЦ
7	Achasov N. . , Shestakov G. . Phenomenological description of the π−π+ S-waves in D+→π−π+π+ and D+s→π−π+π+ decays: The problem of phases Physical Review D: Particles and fields. 2023. V.107. N5. P.056009. DOI: 10.1103/physrevd.107.056009 WOS Scopus РИНЦ OpenAlex
8	Achasov N. . , Shestakov G. . Coupled-channel influence on the a0(1700/1800) line shape Physical Review D: Particles and fields. 2023. V.108. N3. 036018 :1-9. DOI: 10.1103/PhysRevD.108.036018 WOS Scopus РИНЦ OpenAlex
9	Ачасов Н.Н. , Шестаков Г.Н. Оценки абсолютных долей распадов f0(1710) и радиационных переходов \psi(2S)\to\gamma f0(1710) и Y(1S)\to\gamma f0(1710) Письма в Журнал Экспериментальной и Теоретической Физики. 2023. Т.118. №6. С.387-388. DOI: 10.31857/S1234567823180015 РИНЦ OpenAlex
10	Achasov N.N. , Shestakov G.N. Estimates of Absolute Branching Fractions for the f0(1710) Decays and Radiative Transitions ψ(2S) → γf0(1710) and ϒ(1S) → γf0(1710) JETP Letters. 2023. V.118. P.385–386. DOI: 10.1134/s002136402360266x WOS Scopus РИНЦ OpenAlex
11	Achasov N.N. , Shestakov G.N. Triangle singularities in the Tcc+ →d∗+D0 →π+D0D0 decay width Physical Review D: Particles and fields. 2022. V.105. N9. 096038 . DOI: 10.1103/PhysRevD.105.096038 WOS Scopus РИНЦ OpenAlex
12	Achasov N.N. , Kiselev A.V. , Shestakov G.N. Electroweak production of χQ1 states in e+e- collisions: A brief review Physical Review D: Particles and fields. 2022. V.106. N9. 093012 :1-6. DOI: 10.1103/physrevd.106.093012 WOS Scopus РИНЦ OpenAlex
13	Achasov N. . , Bennett J. . , Kiselev A. . , Kozyrev E. . , Shestakov G. . Evidence of the four-quark nature of f0(980) and f0(500) Physical Review D: Particles and fields. 2021. V.103. N1. P.014010. DOI: 10.1103/physrevd.103.014010 WOS Scopus OpenAlex
14	Achasov N. . , Kiselev A. . , Shestakov G. . Semileptonic decays D→ηπe+νe in the a0(980) region Physical Review D: Particles and fields. 2021. V.104. N1. P.016034. DOI: 10.1103/physrevd.104.016034 WOS Scopus OpenAlex
15	Achasov N. . , Shestakov G. . Electronic width of the ψ(3770) resonance interfering with the background Physical Review D: Particles and fields. 2021. V.103. N7. P.076017. DOI: 10.1103/physrevd.103.076017 WOS Scopus OpenAlex
16	Achasov N. . , Shestakov G. . η(1295)→3π decays Physical Review D: Particles and fields. 2021. V.104. N11. P.116026. DOI: 10.1103/physrevd.104.116026 WOS Scopus OpenAlex
17	Achasov N. . , Kiselev A. . , Shestakov G. . Semileptonic decays D→π+π−e+νe and Ds→π+π−e+νe as the probe of constituent quark-antiquark pairs in the light scalar mesons Physical Review D: Particles and fields. 2020. V.102. N1. P.016022. DOI: 10.1103/physrevd.102.016022 WOS Scopus OpenAlex
18	Achasov N. . , Shestakov G. . Decay X(3872)→π0π+π− and S-wave D0¯D0→π+π− scattering length Physical Review D: Particles and fields. 2019. V.99. N11. P.116023. DOI: 10.1103/physrevd.99.116023 WOS Scopus OpenAlex
19	Achasov N.N. , Shestakov G.N. New information on the strong isospin symmetry breaking in the reactions of the a00(980) and f0(980) resonance production EPJ Web of Conferences. 2019. V.212. P.03002. DOI: 10.1051/epjconf/201921203002 OpenAlex
20	Achasov N.N. , Shestakov G.N. Strong isospin symmetry breaking in light scalar meson production Physics-Uspekhi. 2019. V.62. N1. P.3-31. DOI: 10.3367/ufne.2018.01.038281 WOS Scopus OpenAlex
21	Ачасов Н.Н. , Шестаков Г.Н. Сильное нарушение изотопической симметрии при рождении лёгких скалярных мезонов Успехи физических наук. 2019. Т.189. №01. С.3-32. DOI: 10.3367/ufnr.2018.01.038281 OpenAlex
22	Achasov N.N. , Shestakov G.N. Isotopic Symmetry Breaking in the η(1405) → f0(980)π0 → π+π–π0. Decay through a KK¯ Loop Diagram and the Role of Anomalous Landau Thresholds $$K\bar K$$ K K ¯ Loop Diagram and the Role of Anomalous Landau Thresholds JETP Letters. 2018. V.107. N5. P.276-281. DOI: 10.1134/s0021364018050053 WOS Scopus OpenAlex
23	Ачасов Н.Н. , Шестаков Г.Н. K ̄K-петлевой механизм нарушения изотопической симметрии в распаде η(1405) → f0(980)π0 → π+π−π0. Роль аномальных порогов Ландау Письма в Журнал Экспериментальной и Теоретической Физики. 2018. Т.107. №5. С.292 - 297. DOI: 10.7868/S0370274X1805002
24	Achasov N. . , Shestakov G. . Proposal to look for the anomalous isotopic symmetry breaking in central diffractive production of the f1(1285) and a00(980) resonances at the LHC Physical Review D: Particles and fields. 2018. V.97. N5. P.054033. DOI: 10.1103/physrevd.97.054033 WOS Scopus OpenAlex
25	Achasov N.N. , Shestakov G.N. Strong isospin breaking at production of light scalars Nuclear and Particle Physics Proceedings. 2017. V.287-288. P.89-94. DOI: 10.1016/j.nuclphysbps.2017.03.051 Scopus OpenAlex
26	Achasov N. . , Shestakov G. . Manifestations of the a00(980)−f0(980) mixing in D0→K0Sπ+π− and D0→K0Sηπ0 decays Physical Review D: Particles and fields. 2017. V.96. N1. P.016027. DOI: 10.1103/physrevd.96.016027 WOS Scopus OpenAlex
27	Achasov N. . , Shestakov G. . Interference phenomena in the decay D+s→ηπ0π+ induced by the a00(980)−f0(980) mixing Physical Review D: Particles and fields. 2017. V.96. N3. P.036013. DOI: 10.1103/physrevd.96.036013 WOS Scopus OpenAlex
28	Achasov N. . , Shestakov G. . Observation of the isospin breaking decay Υ(10860)→Υ(1S)f0(980)→Υ(1S)ηπ0 with the Belle II detector Physical Review D: Particles and fields. 2017. V.96. N9. P.091501(R). DOI: 10.1103/physrevd.96.091501 WOS Scopus OpenAlex

Доклады на конференциях (5) Подробнее

1	Ачасов Н.Н. , Шестаков Г.Н. Качественное объяснение данных о распадах D0 → a0(980)±π∓ и D+ → a0(980)+(0)π0(+) в четырёхкварковой модели a0(980)-резонанса Научная конференция сотрудниов ИМ СО РАН, посвящённая подведению итогов 2024 года, Новосибирск, 2024 03-04 дек. 2024
2	Ачасов Н.Н. , Шестаков Г.Н. Аномальный распад Х(3872)->\pi0\pi^+\pi^-, обусловленный треугольной логарифмической сингулярностью Сессия-конференция СЯФ ОФН РАН 10-12 мар. 2020
3	Achasov N.N. , Shestakov G.N. New information on the strong isospin symmetry breaking in the reactions of the a00(980) and f0(980) resonance production The 12th International Workshop on e+e- Collisions From Phi to Psi 2019 25 Feb - 1 Mar 2019
4	Ачасов Н.Н. , Шестаков Г.Н. Сильное нарушение изотопической симметрии при рождении лёгких скалярных мезонов International Conference "Mathematics in the Modern World" dedicated to the 60th anniversary of the foundation of the Sobolev Institute of Mathematics 14-19 авг. 2017
5	Achasov N.N. , Shestakov G.N. Strong isospin breaking at production of light scalars The 14th International Workshop on Tau Lepton Physics 19-23 Sep 2016

Ученые степени

1986 - Доктор наук по специальности 01.04.02 - Теоретическая физика

Ученые звания

2003 - Доцент