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pro vyhledávání: '"Nekrasov M"'
Autor:
Nekrasov, M. L.
Publikováno v:
Phys.Lett.B 849 (2024) 138485
We find exact solution in the Cahn eikonal model, which describes Coulomb-nuclear interference in elastic scattering of charged hadrons. The cases of both point-like and extended particles equipped with electromagnetic form factors are considered. Ac
Externí odkaz:
http://arxiv.org/abs/2311.09330
Autor:
Nekrasov, M. L.
Publikováno v:
Phys.Rev. D 108, 034028 (2023)
We describe data on elastic $pp$ scattering at ISR and LHC energies using the analytical representation of the amplitude as the sum of three exponentials equipped with complex phases. In addition, we take into account the Coulomb and Coulomb-nuclear
Externí odkaz:
http://arxiv.org/abs/2212.11976
Autor:
Nekrasov, M. L.
Publikováno v:
Phys. Rev. D 106, 014028 (2022)
An interpretation is given for elastic proton scattering at ultra-high energies with impact-parameter amplitude exceeding the black disk limit. It is shown that this scattering mode can arise due to the contribution of an exceptional intermediate sta
Externí odkaz:
http://arxiv.org/abs/2111.09328
Autor:
Nekrasov, M. L.
Publikováno v:
Particles 2021, 4(3), 381-390
A scenario of evolution of the shape of nucleons with increasing energy is described in the framework of extended parton model, which consistently takes into account the transverse motion of the partons. At the energy $E$ up to LHC, the nucleons have
Externí odkaz:
http://arxiv.org/abs/2012.11618
Autor:
Nekrasov, M. L.
Publikováno v:
Mod.Phys.Lett. A35 (2020) 2050314
We show that Gribov diffusion of the partons in the impact parameter plane, which leads to the square-root-of-logarithmic growth of the transverse size of the hadrons, can occur only simultaneously with a similar diffusion in the transverse-momentum
Externí odkaz:
http://arxiv.org/abs/1912.07612
Autor:
Nekrasov, M. L.
Publikováno v:
Eur. Phys. J. A (2019) 55: 75
The coherent meson scattering off heavy nuclei with the production of two particles in the final state is investigated. We obtain the form factors for the direct production of the final state and through intermediate particles, unstable ones that can
Externí odkaz:
http://arxiv.org/abs/1811.10044
Autor:
Nekrasov, M. L.
Publikováno v:
Eur. Phys. J. A (2017) 53: 94
We analyse $K^- p \to (\eta, \eta',\pi^0) \Lambda$ on the basis of the fit of data in a wide region of energies, and $\pi^- p \to (\eta, \eta') n$ at the energies of GAMS-4$\pi$. We show that disagreements between the data and the predictions of Regg
Externí odkaz:
http://arxiv.org/abs/1612.04375
Autor:
Nekrasov, M. L.
Publikováno v:
Eur. Phys. J. A (2015) 51:148
Using simple arguments, we show that charge-exchange reactions at high energies go through the hard scattering of fast quarks. On this basis we describe $\pi^- p \to M^0 n$ and $K^- p \to M^0 \Lambda$, $M^0 =\pi^0, \eta, \eta'$, in a combined approac
Externí odkaz:
http://arxiv.org/abs/1503.04719
Akademický článek
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Autor:
Nekrasov, M. L.
The processes of charge-exchanges of $\pi^{-}$ and $K^{-}$ on protons at high energies and zero transfers are described on the basis of the parton model. It is shown that at the mentioned kinematic conditions the scattering occurs on the valence quar
Externí odkaz:
http://arxiv.org/abs/1312.7574