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Ачасов Николай Николаевич

Сотрудник

Научная деятельность

Статьи - 39 , Доклады на конференциях - 9


Статьи (39) 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.
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
3 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
4 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
5 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
6 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
7 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
8 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
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 Ачасов Н.Н.
О четырехкварковой природе легких скалярных мезонов
Сибирский физический журнал. 2022. Т.17. №1. С.161-165. DOI: 10.25205/2541-9447-2022-17-1-161-165 РИНЦ OpenAlex
13 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
14 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
15 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
16 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
17 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
18 Achasov N.N.
Fate of Light Scalar Mesons
Physics of Particles and Nuclei. 2020. V.51. N4. P.632-639. DOI: 10.1134/S1063779620040048 WOS Scopus OpenAlex
19 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
20 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
21 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
22 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
23 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
24 Achasov N.N.
Electro-weak roduction of pseudovector C-even heavy quarkonia in electron-positron collisions on Belle II and BES III
EPJ Web of Conferences. 2019. V.212, 2019. N02001. 02001 :1-5. DOI: 10.1051/epjconf/201921202001 OpenAlex
25 Kiselev A.V. , Ahasov N.N.
Semileptonic D0 and D+ decays as a probe of the a0(980) nature
EPJ Web of Conferences. 2019. V.212. P.03001. DOI: 10.1051/epjconf/201921203001 OpenAlex
26 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
27 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
28 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
29 Achasov N.N. , Kiselev A.V.
Light scalar mesons and two-kaon correlation functions
Physical Review D: Particles and fields. 2018. V.97. N3. 036015 . DOI: 10.1103/PhysRevD.97.036015 WOS Scopus OpenAlex
30 Achasov N.N. , Kiselev A.V.
A0 (980) physics in semileptonic D0 and D+ decays
Physical Review D: Particles and fields. 2018. V.98. N9. 096009 . DOI: 10.1103/PhysRevD.98.096009 WOS Scopus OpenAlex
31 Achasov N.N. , Kiselev A.V.
γ* → γf 2(1270) and γ* → γa 2(1320) Transition Form Factors in e + e − Collisions
Physics of Atomic Nuclei. 2018. V.81. N1. P.43-50. DOI: 10.1134/S1063778818010027 WOS Scopus OpenAlex
32 Achasov N.N. , Kiselev A.V.
Light scalar mesons and the data on two-kaon correlation functions
EPJ Web of Conferences. 2018. V.191. P.04012. DOI: 10.1051/epjconf/201819104012 WOS Scopus OpenAlex
33 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
34 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
35 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
36 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
37 Achasov N.N. , Xian-Wei K.
On the nature of \chi_{c2}(2P): two-gluon decay
Chinese Physics C. 2017. V.41. N12. P.123102-1-2. DOI: 10.1088/1674-1137/41/12/123102 WOS Scopus OpenAlex
38 Ачасов Н.Н.
37 Years with the Light Scalar Mesons. The learned Lessons
Physics of Particles and Nuclei. 2017. Т.48. С.681–686. DOI: 10.1134/S1063779617050021 WOS Scopus OpenAlex
39 Ачасов Н.Н.
Why X(3872) is not a molecule
Physics of Particles and Nuclei. 2017. Т.48. С.839–840. DOI: 10.1134/S1063779617060028 WOS Scopus OpenAlex

Доклады на конференциях (9) 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 Киселёв А.В. , Ачасов Н.Н. , Кожевников А.А.
Совместный анализ процессов e+e−→π+π−, ωπ0, ηπ+π−, K+K−, π+π−π0 в области энергий от 1 до 2 ГэВ в обобщённой модели векторной доминантности
Сессия-конференция СЯФ ОФН РАН 10-12 мар. 2020
4 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
5 Kiselev A.V. , Achasov N.N.
Semileptonic D0 and D+ decays as a probe of the a0(980) nature
The 12th International Workshop on e+e- Collisions From Phi to Psi 2019 25 Feb - 1 Mar 2019
6 Киселёв А.В. , Ачасов Н.Н.
Light scalar mesons and the data on two-kaon correlation functions
20th International Seminar "QUARKS-2018" 27 мая - 2 июн. 2018
7 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
8 Киселёв А.В. , Ачасов Н.Н.
На каких расстояниях происходит рождение лёгких скалярных мезонов в радиационных распадах ф-мезона
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
9 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

1977 - Доктор наук по специальности 01.04.02 - Теоретическая физика