nguphysСибирский физический журналSIBERIAN JOURNAL OF PHYSICS2541-9447Новосибирский государственный университет10.25205/2541-9447-2022-17-1-161-165nguphys-181Research ArticleКРАТКИЕ СООБЩЕНИЯBrief CommunicationsО четырехкварковой природе легких скалярных мезоновFour-Quark Nature of Light Scalar Mesonshttps://orcid.org/0000-0001-9115-5080АчасовН. Н.AchasovN. N.

 Николай Николаевич Ачасов, доктор физико-математических наук, профессорWoS Researcher ID AAG-5621-2019Scopus Author ID 7006572313 

Новосибирск

 Nikolay N. Achasov, Doctor of Sciences (Physics and Mathematics), ProfessorWoS Researcher ID AAG-5621-2019Scopus Author ID 7006572313 

Novosibirsk

achasov@math.nsc.ruИнститут математики им. С. Л. Соболева Сибирского отделения Российской академии наукРоссияobolev Institute of Mathematics of the Siberian Branch of the Russian Academy of SciencesRussian Federation202218042022171161165Copyright © Ачасов Н.Н., 20222022Ачасов Н.Н.Achasov N.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nguphys.elpub.ru/jour/article/view/181

Рассказывается о вкладе новосибирских физиков в открытие четырехкварковой природы легких скалярных мезонов f0(980) и a0(980).

The contribution of Novosibirsk physicists to the discovery of the four-quark nature of light scalar mesons f0(980) and a0(980) is described.

четырёхкварковые состояниялёгкие скалярные мезонырезультаты экспериментовwords four-quark stateslight scalar mesonsexperimental resultsРабота выполнена в рамках государственного задания ИМ СО РАН, проект № 0314-2019-0021The work was carried out within the framework of the state task of the Institute of Mathematics of the Siberian Branch of the Russian Academy of Sciences, project no. 0314-2019-0021ReferencesJaffe R. L. Multiquark hadrons. I. Phenomenology of Q2Q–2 mesons. Phys. Rev. D, 1977, no. 15, p. 267. DOI 10.1103/PhysRevD.15.267Jaffe R. L. Multiquark hadrons. I. Phenomenology of Q2Q–2 mesons. Phys. Rev. D, 1977, no. 15, p. 267. DOI 10.1103/PhysRevD.15.267Achasov N. N., Devyanin S. A., Shestakov G. N. S* – δ0 mixing as a threshold phenomenon. Phys. Lett., 1979, vol. 88B, pp. 367–371.Achasov N. N., Devyanin S. A., Shestakov G. N. S* – δ0 mixing as a threshold phenomenon. Phys. Lett., 1979, vol. 88B, pp. 367–371.Ачасов Н. Н., Девянин С. А., Шестаков Г. Н. Природа скалярных резонансов // ЯФ 1980. Т. 32. С. 1098–1110.Achasov N. N., Devyanin S. A., Shestakov G. N. Nature of scalar resonances. Sov. J. Nucl. Phys., 1980, vol. 32, pp. 566–573.Achasov N. N., Devyanin S. A., Shestakov G. N. Phys. Lett., 1982, vol. 108B, pp. 134–139.Achasov N. N., Devyanin S. A., Shestakov G. N. Phys. Lett., 1982, vol. 108B, pp. 134–139.Achasov N. N., Devyanin S. A., Shestakov G. N. Z. Phys. C, 1982, vol. 16, pp. 55–64.Achasov N. N., Devyanin S. A., Shestakov G. N. Z. Phys. C, 1982, vol. 16, pp. 55–64.Ачасов Н. Н., Шестаков Г. Н. Итоги поисков четырехкварковых состояний в γγ-столкновениях // УФН. 1991. № 161 (6). С. 53–108.Achasov N. N., Shestakov G. N. Summary of the search for four-quark states in γγ collisions. Sov. Phys. Usp., 1991, vol. 34 (6), pp. 471–496.Achasov N. N., Ivanchenko V. N. On a search for four-quark states in radiative decays of mesons. Nucl. Phys., 1989, vol. B315, pp. 465–476.Achasov N. N., Ivanchenko V. N. On a search for four-quark states in radiative decays of mesons. Nucl. Phys., 1989, vol. B315, pp. 465–476.Achasov M. N. et al. (SND Collab.) Evidence of the ϕ → ηπ0γ decay. Phys. Lett. B, 1998, vol. 438, pp. 441–445.Achasov M. N. et al. (SND Collab.) Evidence of the ϕ → ηπ0γ decay. Phys. Lett. B, 1998, vol. 438, pp. 441–445.Achasov M. N. et al. (SND Collab.) First observation of ϕ(1020) → π0π0γ decay. Phys. Lett. B, 1998, vol. 440, pp. 442–448.Achasov M. N. et al. (SND Collab.) First observation of ϕ(1020) → π0π0γ decay. Phys. Lett. B, 1998, vol. 440, pp. 442–448.Achasov M. N. et al. (SND Collab.) The ϕ → ηπ0γ decay. Phys. Lett. B, 2000, vol. 479, pp. 53–58.Achasov M. N. et al. (SND Collab.) The ϕ → ηπ0γ decay. Phys. Lett. B, 2000, vol. 479, pp. 53–58.Achasov M. N. et al. (SND Collab.) The ϕ(1020) → π0π0γ decay. Phys. Lett. B, 2000, vol. 485, pp. 349–356.Achasov M. N. et al. (SND Collab.) The ϕ(1020) → π0π0γ decay. Phys. Lett. B, 2000, vol. 485, pp. 349–356.Akhmetshin R. R. et al. (CMD-2 Collab.) Study of the ϕ decays into π0π0γ and ηπ0γ final states. Phys. Lett. B, 1999, vol. 462, pp. 380–388.Akhmetshin R. R. et al. (CMD-2 Collab.) Study of the ϕ decays into π0π0γ and ηπ0γ final states. Phys. Lett. B, 1999, vol. 462, pp. 380–388.Aloisio A. et al. (KLOE Collab.) Study of the decay ϕ → π0π0γ with the KLOE detector. Phys. Lett. B, 2002, vol. 537, pp. 21–27.Aloisio A. et al. (KLOE Collab.) Study of the decay ϕ → π0π0γ with the KLOE detector. Phys. Lett. B, 2002, vol. 537, pp. 21–27.Ambrosino F. et al. (KLOE Collab.) Study of the a0(980) meson via the radiative decay ϕ → ηπ0γ with the KLOE detector. Phys. Lett. B, 2009, vol. 681, pp. 5–13.Ambrosino F. et al. (KLOE Collab.) Study of the a0(980) meson via the radiative decay ϕ →ηπ0γ with the KLOE detector. Phys. Lett. B, 2009, vol. 681, pp. 5–13.Achasov N. N. Radiative decays of ϕ-meson about nature of light scalar resonances. Nucl. Phys. A, 2003, vol. 728, pp. 425–438.Achasov N. N. Radiative decays of ϕ-meson about nature of light scalar resonances. Nucl. Phys. A, 2003, vol. 728, pp. 425–438.'t Hooft G. A planar diagram theory for strong interactions. Nucl. Phys. 1974, vol. B72, pp. 461–473.'t Hooft G. A planar diagram theory for strong interactions. Nucl. Phys. 1974, vol. B72, pp. 461–473.Achasov N. N., Kiselev A. V. Once more about the KK molecule approach to the light scalars. Phys. Rev. D, 2007, vol. 76, p. 077501.Achasov N. N., Kiselev A. V. Once more about the KK molecule approach to the light scalars. Phys. Rev. D, 2007, vol. 76, p. 077501.Achasov N. N., Kiselev A. V. Reply to “Comment on ‘Once more about the molecule approach to the light scalars’”. Phys. Rev. D, 2008, vol. 78, p. 058502.Achasov N. N., Kiselev A. V. Reply to “Comment on ‘Once more about the molecule approach to the light scalars’”. Phys. Rev. D, 2008, vol. 78, p. 058502.Achasov N. N., Gubin V. V., Shevchenko V. I. Production of KK scalar molecules in radiative decays. Phys. Rev. D, 1997, vol. 56, pp. 203–211.Achasov N. N., Gubin V. V., Shevchenko V. I. Production of KK scalar molecules in radiative decays. Phys. Rev. D, 1997, vol. 56, pp. 203–211.Achasov N. N., Shestakov G. N. New explanation of the GAMS results on the f0(980) production in the reaction π–p → π0π0n. Phys. Rev. D, 1998, vol. 58, p. 054011.Achasov N. N., Shestakov G. N. New explanation of the GAMS results on the f0(980) production in the reaction π–p → π0π0n. Phys. Rev. D, 1998, vol. 58, p. 054011.Achasov N. N., Kiselev A. V. Analytical ππ scattering amplitude and the light scalars-II. Phys. Rev. D, 2012, vol. 85, p. 094016.Achasov N. N., Kiselev A. V. Analytical ππ scattering amplitude and the light scalars-II. Phys. Rev. D, 2012, vol. 85, p. 094016.Achasov N. N., Kiselev A. V. a0(980) physics in semileptonic D0 and D+ decays. Phys. Rev. D, 2018, vol. 98, p. 096009.Achasov N. N., Kiselev A. V. a0(980) physics in semileptonic D0 and D+ decays. Phys. Rev. D, 2018, vol. 98, p. 096009.Ачасов Н. Н., Шестаков Г. Н. Сильное нарушение изотопической симметрии при рождении лёгких скалярных мезонов // УФН. 2019. № 189. С. 3–32.Achasov N. N., Shestakov G. N. Strong isospin symmetry breaking in light scalar meson production. Phys. Usp., 2019, vol. 62, pp. 3–31.Ачасов Н. Н., Шестаков Г. Н. Лёгкие скалярные мезоны в фотон-фотонных столкновениях // УФН. 2011. № 181. С. 827–857.Achasov N. N., Shestakov G. N. Light scalar mesons in photon-photon collisions. Phys. Usp., 2011, vol. 54, pp. 799–828.Ачасов Н. Н. О природе скалярных a0(980)- и f0(980)-мезонов // УФН. 1998. № 168. С. 1257–1261.Achasov N. N., On the nature of the a0(980) and f0(980) scalar mesons. Phys. Usp., 1998, vol. 41, pp. 1149–1153.Ачасов Н. Н., Девянин С. А., Шестаков Г. Н. Проблема скалярных мезонов // УФН. 1984. № 142. С. 361–393.Achasov N. N., Devyanin S. A., Shestakov G. N. The problem of scalar mesons. Sov. Phys. Usp., 1984, vol. 27, pp. 161–180.

The authors declare that there are no conflicts of interest present.