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Autor:
M. Yu. Barabanov, Alexander Vodopyanov
Publikováno v:
Physics of Atomic Nuclei. 84:373-376
The opportunity of selected study of heavy charmonium-like hadrons is considered. The topic includes detailed analysis of their strong, weak and electromagnetic decays containing $$A\bar{A}$$ pair, physics analysis and events reconstruction in proton
Autor:
V. S. Vorobyev
Publikováno v:
Physics of Atomic Nuclei. 84:216-220
Measurement of the effective weak mixing angle $${\theta_{\textrm{eff}}}$$ in an experiment at the Super Charm Tau Factory is discussed for the case of a longitudinal polarization of electrons. A method for measuring the average electron beam polariz
Autor:
M. K. Volkov, K. Nurlan
Publikováno v:
Physics of Particles and Nuclei Letters. 18:148-152
Semileptonic decays of vector mesons $$\rho $$ , $$\omega $$ , ϕ into a pion and lepton pair $${{e}^{ + }}{{e}^{ - }},{{\mu }^{ + }}{{\mu }^{ - }}$$ are described in the chiral Nambu–Jona–Lasinio (NJL) model. Mixing of $$\omega $$ with ϕ is tak
Publikováno v:
Physics of Atomic Nuclei. 84:184-189
Results of searches for signals from new physics beyond the Standard Model in proton–proton collisions at the c.m. energy of $$\sqrt{s}=13$$ TeV are surveyed. Dilepton-production events detected by the CMS experiment during Run 2 of the Large Hadro
Autor:
V. M. Samsonov
Publikováno v:
Physics of Atomic Nuclei. 84:201-206
Investigation of properties of nuclear matter at extremely high temperature and/or extremely high baryon densities under laboratory conditions is one of the fundamental lines of research in high-energy physics. Throughout the past decades, such inves
Autor:
V. V. Vien
Publikováno v:
Physics of Atomic Nuclei. 84:179-183
We propose a renormalizable Standard Model extension based on $$\Delta(54)$$ symmetry which successfully accommodates the recent experimental values of the physical observables of the quark sector, including six quark masses, three quark mixing angle
Autor:
S. A. Sadovsky, E. S. Kondratyuk, S. V. Evdokimov, B. V. Polishchuk, Yu. V. Kharlov, A. A. Shangaraev, V. I. Izucheev
Publikováno v:
JETP Letters. 113:289-296
The modification of the spectral function of vector mesons in nuclear matter is predicted in many theoretical models. However, the existing experimental results for testing these models are contradictory. Possible effects of the modification of the m
Publikováno v:
Physics of Particles and Nuclei Letters. 18:160-165
We compute the dilepton production rate from deconfined phase of quark-gluon plasma using the quasi-particle model (QPM). The computation is based on an extension of our previous work. In this model, the finite quark mass is replaced by the effective
Autor:
D. A. Bodrov
Publikováno v:
Physics of Atomic Nuclei. 84:212-215
In this paper, we present a feasibility study of the first measurement of the longitudinal polarization of a muon from the $$\tau$$ -lepton decay to extract the Michel parameter $$\xi^{\prime}$$ at the future Super Charm-Tau Factory (SCTF). The expec
Autor:
V. P. Druzhinin, Aleksandr Korol, K. A. Martin, A. S. Kupich, V. B. Golubev, K. V. Pugachev, N. A. Melnikova, A. V. Berdyugin, S. I. Serednyakov, V. N. Zhabin, E. V. Pakhtusova, A. A. Botov, Alexander Bogdanchikov, I. K. Surin, N. Yu. Muchnoi, A. Yu. Barnyakov, Konstantin Beloborodov, D. A. Shtol, A. A. Baykov, Yu. V. Usov, L. V. Kardapoltsev, A. E. Obrazovsky, M. N. Achasov, T. V. Dimova, D. P. Kovrizhin, Alexey Kharlamov, Y. S. Savchenko, Z. K. Silagadze
Publikováno v:
Physics of Atomic Nuclei. 84:197-200
The process $$e^{+}e^{-}\to\eta\pi^{0}\gamma$$ is studied in the range of center-of-mass (c.m.) collision energies between 1.05 and 2.00 GeV on the basis of data corresponding to an integrated luminosity of 94.5 pb $${}^{-1}$$ that were accumulated i