A. I. Milstein
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View article: Quantum and classical dynamics of neutron in a magnetic field
Quantum and classical dynamics of neutron in a magnetic field Open
The paper presents solution of quantum problem of neutron propagation in the magnetic field with multipole field expansion. Rigorous solution of the Pauli equation for neutron reveals existence of two solutions, finite and infinite, for an…
View article: Non-stationary Aharonov-Bohm effect
Non-stationary Aharonov-Bohm effect Open
The non-stationary Aharonov-Bohm effect (scattering of electron in the field of a narrow solenoid with alternating current) is considered. Using the eikonal approximation, the wave function of electron, the differential and total scatterin…
View article: Quantum and classical dynamics of neutron in a magnetic field
Quantum and classical dynamics of neutron in a magnetic field Open
The paper presents solution of quantum problem of neutron propagation in the magnetic field with multipole field expansion. Rigorous solution of the Pauli equation for neutron reveals existence of two solutions, finite and infinite, for an…
View article: Resonant amplification of a relativistic electron bremsstrahlung on an atom in the undulator field
Resonant amplification of a relativistic electron bremsstrahlung on an atom in the undulator field Open
It is shown that the influence of the undulator field on the motion of a relativistic electron leads to a significant increase of the bremsstrahlung cross section on an atom near the end of the spectrum of undulator radiation. Observation …
View article: Photoproduction of e+e− pair in a Coulomb field near the threshold
Photoproduction of e+e− pair in a Coulomb field near the threshold Open
We consider the electron-positron pair production by a photon in Coulomb field near threshold. We obtain the analytical results for the particle energy spectrum and angular distribution exactly in the parameter Ze2/ħv. We show that Furry-S…
View article: Possible Studies at the First Stage of the NICA Collider Operation with Polarized and Unpolarized Proton and Deuteron Beams
Possible Studies at the First Stage of the NICA Collider Operation with Polarized and Unpolarized Proton and Deuteron Beams Open
This paper contains suggestions for experiments with usage of the Spin\nPhysics Detector (SPD) at the first stage of the SPD NICA Programme developing\nat JINR. Double polarized pp-, dd- and pd- collisions at c.m.s. NN energies of\n3.4-10 …
View article: Parity violation in high-energy proton-proton scattering
Parity violation in high-energy proton-proton scattering Open
A new approach is proposed to describe the parity violation in the process of scattering of a polarized proton by a proton at high energies. It is shown that in the tree approximation the P-odd amplitude of proton-proton scattering is subs…
View article: Possibility to investigate P-parity violation in nuclear collisions at facility NICA
Possibility to investigate P-parity violation in nuclear collisions at facility NICA Open
A possible experimental setup for measuring the effect of parity violation in the interaction of the polarized proton or deuteron beams with an unpolarized target is discussed. One possibility is investigation of scattering of the proton o…
View article: An extension of BDK event generator
An extension of BDK event generator Open
An extension of the well known ee → 4 l event generator of F. A. Berends, P. H. Daverveldt, and R. Kleiss is presented. This extension accounts for production of narrow resonances, as well as the initial state radiation. In addition, it al…
View article: Interaction of real and virtual<i>NN</i>pairs in<i>J/ψ</i>decays
Interaction of real and virtual<i>NN</i>pairs in<i>J/ψ</i>decays Open
The differential decay rates of the processes J /ψ→ pp̅ π 0 , J /ψ→ pp̅ η, J /ψ→ pp̅ ω, J /ψ→ pp̅ ρ, and J /ψ→ pp̅ γ close to the pp̅ threshold are calculated with the help of the NN̅ optical potential. We use the potential which has been suggest…
View article: Concept of a low energy electron-positron collider for dimuonium study
Concept of a low energy electron-positron collider for dimuonium study Open
We discuss a low energy collider for production of the not yet discovered $\\mu^+\\mu^-$ bound state (dimuonium). In our design we follow the Brodsky-Lebed proposal of the large-crossing-angle $e^+e^-$ intersection, when the dimuonium carr…
View article: Electron–positron pair production in ion collisions at low velocity beyond Born approximation
Electron–positron pair production in ion collisions at low velocity beyond Born approximation Open
We derive the spectrum and the total cross section of electromagnetic e+e− pair production in the collisions of two nuclei at low relative velocity β. Both free–free and bound-free e+e− pair production is considered. The parameters ηA,B=ZA…
View article: High-energy electroproduction in an atomic field
High-energy electroproduction in an atomic field Open
The differential cross section of high-energy electroproduction in the electric field of heavy atoms is derived. The result is obtained with the exact account of the atomic field by means of the quasiclassical approximation to the wave fun…