Contents

Bulletin of the Russian Academy of Sciences: Physics

Vol. 90, No. 6, 2026

An Experiment to Determine the Spectrum of Excitation Energy of the 6He Nucleus in the n + 7Li Reaction

M. V. Mordovskoy, A. A. Kasparov, A. A. Afonin, V. V. Mitsuk, V. N. Ponomarev, and D. M. Rodkin p. 821  abstract

Experiments to Study the FLASH Effect in Proton Irradiation of Laboratory Animals

S. V. Akulinichev, Yu. K. Gavrilov, D. A. Kokontsev, V. V. Kudelkina, V. V. Martynova, G. V. Merzlikin, D. G. Tagabilev, and I. A. Yakovlev p. 830  abstract

Path to New Elements: Investigation of Reactions with 50Ti and 54Cr

D. Ibadullayev, Yu. Ts. Oganessian, V. K. Utyonkov, F. Sh. Abdullin, S. N. Dmitriev, M. G. Itkis, A. V. Karpov, N. D. Kovrizhnykh, D. A. Kuznetsov, O. V. Petrushkin, A. V. Podshibiakin, A. N. Polyakov, A. G. Popeko, R. N. Sagaidak, V. V. Saiko, L. Schlattauer, V. D. Shubin, M. V. Shumeiko, D. I. Solovyev, Yu. S. Tsyganov, A. A. Voinov, V. G. Subbotin, A. V. Sabelnikov, D. Abdusamadzoda, A. Yu. Bodrov, M. G. Voronyuk, G. A. Bozhikov, N. V. Aksenov, A. V. Khalkin, Z. G. Gan, Z. Y. Zhang, M. H. Huang, H. B. Yang, J. G. Wang, M. M. Zhang, and X. Y. Huang p. 837  abstract

Formation of Dineutron in the Reaction of Stopped Pion Absorption 9Be(π−, t 4He)2n

Yu. B. Gurov, M. S. Dovbnenko, S. A. Evseev, S. V. Rozov, M. V. Tel’kushev, and B. A. Chernyshev p. 846  abstract

Single-Particle Structure of Superheavy Nuclei in the Dispersive Optical Model

O. V. Bespalova, A. A. Klimochkina, and M. M. Mosunov p. 852  abstract

Effective Matter Radii of 10,11,12Bе Nuclei Determined from Their Total Reaction Cross Sections

M. A. Naumenko, V. V. Samarin, Yu. G. Sobolev, S. S. Stukalov, and Yu. E. Penionzhkevich p. 860  abstract

On Studying Multiplicity and Spectra of Photoneutrons from Heavy Nuclei at Eγ ≤ 20 MeV Using γ-Quantum Beams from Compton Back-Scattering

L. Z. Dzhilavyan, A. M. Lapik, A. L. Polonski, A. V. Rusakov, S. S. Belyshev, A. A. Kuznetsov, V. V. Varlamov, and V. I. Shvedunov p. 869  abstract

Kinematic Simulations of an Experiment to Determine Low-Energy Characteristics of pp Interaction in the p + 2H → p + p + n Reaction

V. V. Mitsuk, A. A. Kasparov, M. V. Mordovskoy, V. M. Lebedev, and A. V. Spassky p. 875  abstract

Development of a Mathematical Model for Dose Assessment in Lung Cancer Radiotherapy

E. A. Kopylova, G. E. Gorlachev, E. N. Lykova, A. V. Nazarenko, F. R. Studenikin, A. A. Shcherbakov, E. A. Novikova, and A. P. Chernyaev p. 881  abstract

Analysis of Probabilities of E2 Transitions and Energies of 182,184W Positive Parity States

P. N. Usmanov, I. N. Izosimov, E. K. Yusupov, and M. Zh. Korzhavov p. 890  abstract

Description of the 3H(d,n)4He Reaction at Low Energies within a Microscopic Cluster Approach

A. S. Solovyev p. 900  abstract

Multisensor System for Monitoring Heavy-Ion Beams

E. O. Zemlin, V. I. Zherebchevsky, M. F. Kudoyarov, N. A. Maltsev, and V. V. Petrov p. 905  abstract

Experimental Verification of Ion-Plasma Technology for Decontamination of Nuclear Reactor Equipment

A. S. Petrovskaya and A. B. Tsyganov p. 911  abstract

Accelerator Based Neutron Source VITA for Boron Neutron Capture Therapy and Other Applications

M. I. Bikchurina, T. A. Bykov, G. D. Verkhovod, V. S. Degtyarev, I. S. Ibrahim, A. I. Kasatova, D. A. Kasatov, A. A. Kashcheev, Ya. A. Kolesnikov, V. D. Konovalova, A. M. Koshkarev, K. S. Kuzmina, G. M. Ostreinov, S. S. Savinov, N. Sh. Singatulina, E. O. Sokolova, A. E. Soldatov, I. N. Sorokin, I. S. Taskaeva, T. V. Shein, A. A. Shuklina, I. M. Shchudlo, S. V. Shchukin, and S. Yu. Taskaev p. 917  abstract

Event-by-Event Determination of Thermodynamic Quantities at NICA Energies

V. N. Kovalenko p. 923  abstract

Synthesis and Optical Properties of Quantum Dots of Perovskite Doped with Neodymium Ion

Yu. K. Altudov, A. M. Pshukov, A. A. Kokoeva, N. E. Pukhaeva, N. Kheswa, and V. N. Kornoukhov p. 928  abstract

Bound State of the 6He Nucleus in the SS-HORSE–NCSM Approach

M. K. Efimenko, A. I. Mazur, I. A. Mazur, I. J. Shin, and A. M. Shirokov p. 935  abstract

Impoved Constraints on Heavy Vestor Bosons in Decay Channels to Pairs of Gauge or Higgs Bosons in Experiments at the Large Hadron Collider

I. A. Serenkova p. 940  abstract

Investigation of the Neutron Beam Parameters of the Time-of-Flight Spectrometer GNEIS

A. M. Tiagelskaia, N. M. Olkhovich, and A. S. Vorobyev p. 948  abstract

Ternary Fission of Actinides Induced by Thermal Neutrons with Light Particle Emission

L. V. Titova, S. G. Kadmensky, Ya. O. Otvodenko, and E. S. Belousov p. 954  abstract

Approaches to Determining the Nuclear Neck Radius at the Point of Scission

D. E. Lyubashevsky, Ya. O. Otvodenko, P. V. Kostryukov, and A. I. Ivanchenko p. 962  abstract

Simulation of the SPD Straw Tracker Performance in p–p and Ion–Ion Collisions at NICA

A. I. Durov, E. Y. Soldatov, and A. V. Lazareva p. 970  abstract

Nuclear Reactor Fuel Isotopes Antineutrino Spectra from Fission Fragments

V. V. Sinev, P. I. Alzhev, S. V. Ingerman, P. Yu. Naumov, and A. P. Vlasenko p. 978  abstract

Magnetic Undulator in the Form of a Uniformly Magnetized Profiled Magnetic Strip for a Free-Electron Laser

M. A. Piatakov and P. A. Polyakov p. 985  abstract

High-Precision Femtosecond Laser Writing in Fiber-Optic Tapers

S. O. Gurbatov, A. V. Dostovalov, and A. A. Kuchmizhak p. 993  abstract