Konstantin Alekseevich Kouzakov
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Previous Organizations / Institutes
The organizations / institutes from the scholar's other articles in the past ten years
Research Subjects
Research Interests
Konstantin Alekseevich Kouzakov has a total of 774 co-authors. Here are the top co-authors by number of shared publications:
- Alexander Studenikin
Lomonosov Moscow State University
41 shared publications - Yuri V. Popov
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia
20 shared publications Yu. V. Popov
Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russia
11 shared publications- Sergey A. Zaytsev
School of Fundamental and Computer Sciences, Pacific National University, Khabarovsk, Russia
10 shared publications Alexander I. Studenikin
Department of Theoretical Physics Faculty of Physics Lomonosov Moscow State University 119991 Moscow Russia
9 shared publications- Carlo Giunti
Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Torino
9 shared publications
Latest Publications
- Open Access
- 17 September 2026
- Published by Springer Nature in The European Physical Journal C
- Vol. 86 (9) , 1066
Publisher Correction: Sensitivity of the Hyper-Kamiokande experiment to neutrino oscillation parameters using accelerator neutrinos
- 17 September 2026
- Published by Springer Nature in The European Physical Journal C
- Vol. 86 (9) , 1066
Open AccessPublisher Correction: Sensitivity of the Hyper-Kamiokande experiment to neutrino oscillation parameters using accelerator neutrinos
- Open Access
- 8 June 2026
- Published by MDPI AG in Physical Sciences Forum
- Vol. 13 (1) , 10
A New Representation of the 3C Model in the Quasi-Sturmian Approach to Ionization of Helium by Proton Impact
We investigate the 75 keV proton impact ionization of helium. The convoluted quasi-Sturmian approach is extended to treat both the direct ionization and the electron capture to the continuum by proposing an ansatz for the Coulomb three-body Green’s function operator, for the kernel of which the leading asymptotic form contains the wave function of the 3C model. The resulting 3C-like model is tested numerically. Fully differential cross-sections are calculated for different energy-loss regimes and compared with recent experimental data.
- 8 June 2026
- Published by MDPI AG in Physical Sciences Forum
- Vol. 13 (1) , 10
Open AccessA New Representation of the 3C Model in the Quasi-Sturmian Approach to Ionization of Helium by Proton Impact
We investigate the 75 keV proton impact ionization of helium. The convoluted quasi-Sturmian approach is extended to treat both the direct ionization and the electron capture to the continuum by proposing an ansatz for the Coulomb three-body Green’s function operator, for the kernel of which the leading asymptotic form contains the wave function of the 3C model. The resulting 3C-like model is tested numerically. Fully differential cross-sections are calculated for different energy-loss regimes and compared with recent experimental data.
- Open Access
Ionization of Helium by Proton Impact in a Quasi-Sturmian Approach Built upon the 3C Model
We investigate theoretically the 75 keV proton-impact ionization of atomic helium. The convoluted quasi-Sturmian approach is extended to treat, on an equal footing, both the direct mechanism and the electron capture to the continuum. This is achieved by proposing an ansatz of the Green’s function of the three-body Coulomb system that is compatible with the well-known 3C correlated continuum wave function. The model that stems from this approximation, named , is tested numerically using parabolic Sturmian expansions. Calculations of fully differential cross sections are presented for different regimes of energy losses, namely for ejected electron energies below, nearly equal to, and above the cusp energy. Our results are compared with recent experimental measurements and other theoretical calculations. The proposed model yields very encouraging results and paves the way towards a more advanced Lippmann–Schwinger approach based on the 3C model.Open AccessIonization of Helium by Proton Impact in a Quasi-Sturmian Approach Built upon the 3C Model
We investigate theoretically the 75 keV proton-impact ionization of atomic helium. The convoluted quasi-Sturmian approach is extended to treat, on an equal footing, both the direct mechanism and the electron capture to the continuum. This is achieved by proposing an ansatz of the Green’s function of the three-body Coulomb system that is compatible with the well-known 3C correlated continuum wave function. The model that stems from this approximation, named , is tested numerically using parabolic Sturmian expansions. Calculations of fully differential cross sections are presented for different regimes of energy losses, namely for ejected electron energies below, nearly equal to, and above the cusp energy. Our results are compared with recent experimental measurements and other theoretical calculations. The proposed model yields very encouraging results and paves the way towards a more advanced Lippmann–Schwinger approach based on the 3C model. - Open Access
- 3 March 2026
- Published by Elsevier in Physics Letters B
- Vol. 875
The potential of directional neutrino detection to observe neutrino spin oscillations
- 3 March 2026
- Published by Elsevier in Physics Letters B
- Vol. 875
Open AccessThe potential of directional neutrino detection to observe neutrino spin oscillations
- Top Cited PapersOpen Access
- 23 February 2026
- Published by Springer Nature in The European Physical Journal C
- Vol. 86 (2) , 170
Sensitivity of the Hyper-Kamiokande experiment to neutrino oscillation parameters using accelerator neutrinos
This paper presents the expected sensitivity to the neutrino oscillation parameters of the Hyper-Kamiokande long-baseline program. The Hyper-Kamiokande experiment, currently under construction in Japan, will measure the oscillations of accelerator-produced neutrinos with thousands of selected events per sample: this corresponds to an increase of statistics of a factor 25–100 with respect to recent results from the currently-running long-baseline neutrino oscillation experiment in Japan, T2K. In the most favorable scenario we will achieve the discovery of Charge-Parity (CP) violation in neutrino oscillation at $$5\sigma $$ C.L. in less than 3 years. With 10 years of data-taking, and assuming a neutrino : antineutrino beam running ratio of 1:3, a CP violation discovery at $$5\sigma $$ C.L. is possible for more than 60% of the actual values of the CP-violating phase, $$\delta _{CP}.$$ Moreover, we will measure $$\delta _{CP}$$ with a precision ranging from 20 $$^{\circ },$$ in the case of maximal CP violation, to 6 $$^{\circ },$$ in the case of CP conservation. We aim to achieve a 0.5% resolution on the $$\Delta m^2_{32}$$ parameter, and a resolution between 3% and 0.5% on the $$\sin ^2\theta _{23}$$ parameter, depending on its true value. These results are obtained by extending the analysis methods of T2K with dedicated tuning to take into account the Hyper-Kamiokande design: the larger far detector, the more powerful beam, the upgraded near detector ND280, and the planned additional Intermediate Water Cherenkov Detector.- 23 February 2026
- Published by Springer Nature in The European Physical Journal C
- Vol. 86 (2) , 170
Top Cited PapersOpen AccessSensitivity of the Hyper-Kamiokande experiment to neutrino oscillation parameters using accelerator neutrinos
This paper presents the expected sensitivity to the neutrino oscillation parameters of the Hyper-Kamiokande long-baseline program. The Hyper-Kamiokande experiment, currently under construction in Japan, will measure the oscillations of accelerator-produced neutrinos with thousands of selected events per sample: this corresponds to an increase of statistics of a factor 25–100 with respect to recent results from the currently-running long-baseline neutrino oscillation experiment in Japan, T2K. In the most favorable scenario we will achieve the discovery of Charge-Parity (CP) violation in neutrino oscillation at $$5\sigma $$ C.L. in less than 3 years. With 10 years of data-taking, and assuming a neutrino : antineutrino beam running ratio of 1:3, a CP violation discovery at $$5\sigma $$ C.L. is possible for more than 60% of the actual values of the CP-violating phase, $$\delta _{CP}.$$ Moreover, we will measure $$\delta _{CP}$$ with a precision ranging from 20 $$^{\circ },$$ in the case of maximal CP violation, to 6 $$^{\circ },$$ in the case of CP conservation. We aim to achieve a 0.5% resolution on the $$\Delta m^2_{32}$$ parameter, and a resolution between 3% and 0.5% on the $$\sin ^2\theta _{23}$$ parameter, depending on its true value. These results are obtained by extending the analysis methods of T2K with dedicated tuning to take into account the Hyper-Kamiokande design: the larger far detector, the more powerful beam, the upgraded near detector ND280, and the planned additional Intermediate Water Cherenkov Detector. - Open Access
- 11 October 2025
- Published by Springer Nature
- p. 237-240
Elasic Neutrino-Nucleon Scattering: The Effects of Electromagnetic Properties and Polarization
The nonzero neutrino masses open a door for neutrino electromagnetic interactions. We develop a formalism for treating these interactions in elastic neutrino-nucleon scattering processes. We account for electromagnetic charge, magnetic, electric, and anapole form factors of massive neutrinos. Considering Dirac neutrinos, we assume the neutrino beam arriving at the target to have spin polarization due to effects of neutrino spin oscillations. We present the expressions for the differential cross sections of elastic neutrino-nucleon scattering.
- 11 October 2025
- Published by Springer Nature
- p. 237-240
Open AccessElasic Neutrino-Nucleon Scattering: The Effects of Electromagnetic Properties and Polarization
The nonzero neutrino masses open a door for neutrino electromagnetic interactions. We develop a formalism for treating these interactions in elastic neutrino-nucleon scattering processes. We account for electromagnetic charge, magnetic, electric, and anapole form factors of massive neutrinos. Considering Dirac neutrinos, we assume the neutrino beam arriving at the target to have spin polarization due to effects of neutrino spin oscillations. We present the expressions for the differential cross sections of elastic neutrino-nucleon scattering.
- Open Access
- 11 October 2025
- Published by Springer Nature
- p. 203-206
Propagation and Oscillations of Cosmic Neutrinos in a Stochastic Magnetic Field
The propagation of cosmic neutrinos can be influenced by interstellar magnetic fields if neutrinos have a nonzero magnetic moment. In order to treat the effect of a stochastic component of an interstellar magnetic field on the cosmic neutrino propagation, we employ the formalism of the Lindblad master equation for describing the neutrino density matrix evolution. We present the expressions for the probabilities of the flavor and spin oscillations of Dirac neutrinos in a fluctuating magnetic field, which are derived on the basis of the analytical solution of the Lindblad master equation.
- 11 October 2025
- Published by Springer Nature
- p. 203-206
Open AccessPropagation and Oscillations of Cosmic Neutrinos in a Stochastic Magnetic Field
The propagation of cosmic neutrinos can be influenced by interstellar magnetic fields if neutrinos have a nonzero magnetic moment. In order to treat the effect of a stochastic component of an interstellar magnetic field on the cosmic neutrino propagation, we employ the formalism of the Lindblad master equation for describing the neutrino density matrix evolution. We present the expressions for the probabilities of the flavor and spin oscillations of Dirac neutrinos in a fluctuating magnetic field, which are derived on the basis of the analytical solution of the Lindblad master equation.
- Open Access
- 11 October 2025
- Published by Springer Nature
- p. 99-103
SATURNE: The Sarov Tritium Neutrino Experiment for Probing Coherent Elastic Neutrino-Atom Scattering and Neutrino Electromagnetic Interactions
The Sarov tritium neutrino experiment (SATURNE) will study neutrino-atom collisions at unprecedentedly low energies. It will involve a high-intensity tritium source of electron antineutrinos with a total tritium mass of at least 1 kg (10 MCi) and possibly up to 4 kg (40 MCi). This offers a unique opportunity for obtaining the first experimental evidence of coherent elastic neutrino-atom scattering. With 5-year data using a 1- $$\mathrm {m}^3$$ liquid He-4 detector in superfluid state, the measurement of the elastic neutrino-atom interaction channel can be achieved that can also allow probing the neutrino magnetic moment at a level of $$\mu _\nu \sim 10^{-13}\,\mu _B$$ , which by an order of magnitude better than the world-leading upper limits. The ionizing neutrino-atom collisions will be studied using a cryogenic 4-kg Si crystal detector and a low-temperature 14-kg $$\mathrm {SrI}_2$$ (Eu) scintillation detector. Both detectors are expected to achieve a record-high sensitivity to the electron-antineutrino $$\mu _\nu $$ value of the order of $${\sim }10^{-12}\,\mu _B$$ after 1 year of taking data.- 11 October 2025
- Published by Springer Nature
- p. 99-103
Open AccessSATURNE: The Sarov Tritium Neutrino Experiment for Probing Coherent Elastic Neutrino-Atom Scattering and Neutrino Electromagnetic Interactions
The Sarov tritium neutrino experiment (SATURNE) will study neutrino-atom collisions at unprecedentedly low energies. It will involve a high-intensity tritium source of electron antineutrinos with a total tritium mass of at least 1 kg (10 MCi) and possibly up to 4 kg (40 MCi). This offers a unique opportunity for obtaining the first experimental evidence of coherent elastic neutrino-atom scattering. With 5-year data using a 1- $$\mathrm {m}^3$$ liquid He-4 detector in superfluid state, the measurement of the elastic neutrino-atom interaction channel can be achieved that can also allow probing the neutrino magnetic moment at a level of $$\mu _\nu \sim 10^{-13}\,\mu _B$$ , which by an order of magnitude better than the world-leading upper limits. The ionizing neutrino-atom collisions will be studied using a cryogenic 4-kg Si crystal detector and a low-temperature 14-kg $$\mathrm {SrI}_2$$ (Eu) scintillation detector. Both detectors are expected to achieve a record-high sensitivity to the electron-antineutrino $$\mu _\nu $$ value of the order of $${\sim }10^{-12}\,\mu _B$$ after 1 year of taking data. - 13 August 2025
- Published by American Physical Society (APS) in Physical Review A
- Vol. 112 (2)
Compton ionization of atomic hydrogen by a twisted photon under the conditions of the electron-ion coincidence method
- 13 August 2025
- Published by American Physical Society (APS) in Physical Review A
- Vol. 112 (2)
Compton ionization of atomic hydrogen by a twisted photon under the conditions of the electron-ion coincidence method
- 1 June 2025
- Published by Pleiades Publishing Ltd in Physics of Atomic Nuclei
- Vol. 88 (3) , 556-559
Neutrino Scattering on Superfluid Helium with Account for Neutrino Electromagnetic Properties and Collective Effects
Superfluid He-4 is a promising tool for neutrino and dark matter detection. The low-energy neutrino interaction with superfluid He-4 proceeds through coherent elastic neutrino–atom scattering (CE\(\nu\)AS), which has not yet been observed. The first experimental study of CE\(\nu\)AS is under preparation in Sarov using a tritium neutrino source and a superfluid He-4 detector. This will allow testing the neutrino physics of the Standard Model and beyond at unprecedentedly low energies. We develop a theoretical approach for studying neutrino interaction with a superfluid He-4, taking into account single quasiparticle (phonon and roton) production in the target upon tritium neutrino scattering. We show that such collective effects significantly affect the neutrino scattering cross section at energy transfers of the order of 1 meV and less.- 1 June 2025
- Published by Pleiades Publishing Ltd in Physics of Atomic Nuclei
- Vol. 88 (3) , 556-559
Neutrino Scattering on Superfluid Helium with Account for Neutrino Electromagnetic Properties and Collective Effects
Superfluid He-4 is a promising tool for neutrino and dark matter detection. The low-energy neutrino interaction with superfluid He-4 proceeds through coherent elastic neutrino–atom scattering (CE\(\nu\)AS), which has not yet been observed. The first experimental study of CE\(\nu\)AS is under preparation in Sarov using a tritium neutrino source and a superfluid He-4 detector. This will allow testing the neutrino physics of the Standard Model and beyond at unprecedentedly low energies. We develop a theoretical approach for studying neutrino interaction with a superfluid He-4, taking into account single quasiparticle (phonon and roton) production in the target upon tritium neutrino scattering. We show that such collective effects significantly affect the neutrino scattering cross section at energy transfers of the order of 1 meV and less.