Alexey Boldyrev

Publications⁵²

• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Amplitude analysis of the 𝐵+→𝜋+𝜋+𝜋− decay // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 101. No. 1. P. 012006. doi
• Article Ustyuzhanin A., Borisyak M., Guschin M., Derkach D., Kazeev N., Ratnikov F., Ryzhikov A., Maevskiy A., Boldyrev A., Arzymatov K., Belavin V., Попов С. А. First branching fraction measurement of the suppressed decay Ξ0c→π−Λ+c // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. No. 102. P. 071101. doi
• Article K. Arzymatov, V. Belavin, A. Boldyrev, M. Borisyak, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin. First observation of excited Ω−b states // Physical Review Letters. 2020. Vol. 124. No. 8. P. 1-12. doi
• Article Arzymatov K., Belavin V., Ustyuzhanin A., Derkach D., Boldyrev A., Guschin M., Ratnikov F., Maevskiy A., Borisyak M., Kazeev N., Ryzhikov A., Филиппов А. С., Попов С. А. First observation of the decay 𝐵0→𝐷0𝐷⎯⎯⎯⎯⎯0𝐾+𝜋− // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 102. No. 5. P. 1-11. doi
• Article K. Arzymatov, V. Belavin, A. Boldyrev, M. Borisyak, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin. Isospin amplitudes in Λ0b→J/ψΛ(Σ0) and Ξ0b→J/ψΞ0(Λ) decays // Physical Review Letters. 2020. Vol. 124. No. 11. P. 1-11. doi
• Article A. Boldyrev, D. Derkach, F. Ratnikov, A. Shevelev. ML-assisted versatile approach to Calorimeter R&D // Journal of Instrumentation. 2020. Vol. 15. P. 1-7. doi
• Article Арзыматов К., Белавин В. С., Болдырев А. С., Борисяк М. А., Деркач Д. А., Казеев Н. А., Маевский А. С., Ратников Ф. Д., Рыжиков А. С., Устюжанин А. Е., Гущин М. И. Measurement of CP observables in B±→DK± and B±→Dπ± with D→K0SK±π∓ decays // Journal of High Energy Physics. 2020. Т. 6. С. 58. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Measurement of CP violation in B0→ D∗±D∓ decays // Journal of High Energy Physics. 2020. Vol. 03. P. 147. doi
• Article Ратников Ф. Д., Устюжанин А. Е., Маевский А. С., Белавин В. С., Арзыматов К., Гущин М. И., Рыжиков А. С., Деркач Д. А., Казеев Н. А., Болдырев А. С., Борисяк М. А. Measurement of CP-averaged observables in the B0→K∗0μ+μ− decay // Physical Review Letters. 2020. Т. 125. С. 011802. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ustyuzhanin A., LHCb C. Measurement of the branching fraction of the decay B0s→K0SK0S // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 102. No. 1. P. 012011. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ryzhikov A., Ustyuzhanin A. Measurement of the Λ0b→J/ψΛ angular distribution and the Λ0b polarisation in pp collisions // Journal of High Energy Physics. 2020. Vol. 6. P. 110. doi
• Article K. Arzymatov, V. Belavin, A. Boldyrev, M. Borisyak, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin. Measurement of |Vcb| with B0s→Ds(∗)μ+νμ decays // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 101. No. 7. P. 072004. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ryzhikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Measurement of Ξ++cc production in pp collisions at √s=13 TeV // Chinese Physics C. 2020. Vol. 44. No. 2. P. 022001. doi
• Article Arzymatov K., Belavin V., Boldyrev A., Borisyak M., Derkach D., Guschin M., Kazeev N., Maevskiy A., S. Popov, Ratnikov F., Ryzhikov A., Ustyuzhanin A. Observation of Enhanced Double Parton Scattering in Proton-Lead Collisions at at √sNN = 8.16 TeV // Physical Review Letters. 2020. Vol. 125. No. 21. P. 1-13. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ustyuzhanin A., Arzymatov K., Баранов А. С., Belavin V., Borisyak M., Chekalina V., LHCb C. Observation of Several Sources of 𝐶𝑃 Violation in 𝐵+→𝜋+𝜋+𝜋− Decays // Physical Review Letters. 2020. Vol. 124. No. 3. P. 031801. doi
• Article Ratnikov F., Ustyuzhanin A., Maevskiy A., Derkach D., Arzymatov K., Belavin V., Boldyrev A., Borisyak M., Kazeev N., Guschin M., Ryzhikov A. Observation of a new baryon state in the Λ0bπ+π− mass spectrum // Journal of High Energy Physics. 2020. Vol. 06. P. 136. doi
• Article Ratnikov F., Ustyuzhanin A., Maevskiy A., Boldyrev A., Arzymatov K., Kazeev N., Ryzhikov A., Guschin M., Derkach D., Borisyak M., Belavin V. Observation of new Ξ0c baryons decaying to Λ+cK− // Physical Review Letters. 2020. Vol. 124. No. 22. P. 222001-1-222001-11. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Рыжиков А. С., Ustyuzhanin A. Observation of structure in the J/ψ-pair mass spectrum // Science Bulletin. 2020. P. 1-29. doi (in press)
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Observation of the semileptonic decay B+→pp¯μ+νμ // Journal of High Energy Physics. 2020. Vol. 03. P. 146. doi
• Article Ratnikov F., Ustyuzhanin A., Belavin V., Arzymatov K., Maevskiy A., Ryzhikov A., Derkach D., Guschin M., Borisyak M., Boldyrev A., Kazeev N. Precision measurement of the B+c meson mass // Journal of High Energy Physics. 2020. Vol. 07. P. 123. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Precision measurement of the 𝛯++𝑐𝑐 mass // Journal of High Energy Physics. 2020. Vol. 02. No. 049. P. 1-17. doi
• Article Borisyak M., Derkach D., Maevskiy A., Kazeev N., Ustyuzhanin A., Guschin M., Boldyrev A., Ratnikov F., Arzymatov K., Baranov A., Belavin V., Chekalina V., LHCb c. Search for A′→μ+μ− decays // Physical Review Letters. 2020. Vol. 124. No. 4. P. 1-12. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ustyuzhanin A., LHCb C. Search for CP violation and observation of P violation in Λ0b→pπ−π+π− decays // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 102. No. 5. P. 051101. doi
• Article Arzymatov K., Baranov A., Belavin V., Borisyak M., Ratnikov F., Ustyuzhanin A., Boldyrev A., Derkach D., Ryzhikov A., Guschin M., Kazeev N., Maevskiy A. Search for CP violation in Ξ+c→pK−π+ decays using model-independent techniques // The European Physical Journal C - Particles and Fields. 2020. Vol. 80. P. 986. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ustyuzhanin A., LHCb C. Search for the doubly charmed baryon Ξ cc // Science China Physics, Mechanics & Astronomy. 2020. Vol. 63. No. 2. P. 221062-1-221062-15. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ryzhikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak, S. Popov. Search for the doubly heavy Ξ0𝑏𝑐 baryon via decays to D0pK− // Journal of High Energy Physics. 2020. Vol. 11. No. 095. P. 1-20. doi
• Article K. Arzymatov, V. Belavin, A. Boldyrev, M. Borisyak, D. Derkach, Guschin M., N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ryzhikov, A. Ustyuzhanin. Search for the lepton flavour violating decay B+→K+μ−τ+ using B∗0s2 decays // Journal of High Energy Physics. 2020. Vol. 06. No. 129. P. 1-18. doi
• Article Ратников Ф. Д., Устюжанин А. Е., Арзыматов К., Маевский А. С., Белавин В. С., Гущин М. И., Рыжиков А. С., Казеев Н. А., Борисяк М. А., Болдырев А. С., Деркач Д. А. Search for the rare decays B0s→e+e− and B0→e+e− // Physical Review Letters. 2020. Т. 124. С. 211802. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ryzhikov A., Ustyuzhanin A., Arzymatov K., Belavin V., Borisyak M., Филиппов А. С., Попов С. А. Searches for low-mass dimuon resonances // Journal of High Energy Physics. 2020. Vol. 10. P. 156. doi
• Article Borisyak M., Derkach D., Belavin V., Arzymatov K., Guschin M., Ratnikov F., Kazeev N., Курбатов Е. О., Ustyuzhanin A., Boldyrev A., Ryzhikov A., Maevskiy A., LHCb c., Попов С. А. Study of the lineshape of the χc1(3872) state // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 102. No. 9. P. 092005-1-092005-20. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Рыжиков А. С., Ustyuzhanin A. Study of the ψ2(3823) and χc1(3872) states in B+→(J/ψπ+π−)K+ decays // Journal of High Energy Physics. 2020. Vol. 2020. No. 8. P. 1-27. doi
• Article K. Arzymatov, V. Belavin, A. Boldyrev, M. Borisyak, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin. Test of lepton universality with Λ0b→pK−ℓ+ℓ− decays // Journal of High Energy Physics. 2020. Vol. 05. P. 140. doi
• Article Borisyak M., Derkach D., Guschin M., Ustyuzhanin A., Chekalina V., Boldyrev A., Arzymatov K., Belavin V., Kazeev N., Maevskiy A., Ratnikov F., Ryzhikov A., Baranov A., LHCb c. Updated measurement of decay-time-dependent CP asymmetries in D0→K+K− and D0→π+π− decays // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2020. Vol. 101. No. 1. P. 1-12. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, V. Belavin, M. Borisyak, K. Arzymatov. Measurement of CP observables in the process B0 → DK*0 with two- and four-body D decays // Journal of High Energy Physics. 2019. No. 08(2019)041. P. 1-29. doi
• Article Arzymatov K., Баранов А. С., Belavin V., Borisyak M., Ratnikov F., Ustyuzhanin A., Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A. Measurement of CP violation in the B0s→ϕϕ decay and search for the B0→ϕϕ decay // Journal of High Energy Physics. 2019. P. 1-34. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Measurement of CP violation in the Bs0→ϕϕ decay and search for the B 0 → ϕϕ decay // Journal of High Energy Physics. 2019. No. 12. P. 155. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Measurement of the B−c meson production fraction and asymmetry in 7 and 13 TeV pp collisions // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2019. Vol. 100. No. 11. P. 112006-1-112006-17. doi
• Article Ratnikov F., Ustyuzhanin A., Derkach D., Boldyrev A., Maevskiy A., Kazeev N., Belavin V., Borisyak M., Guschin M., Ryzhikov A., Arzymatov K., Chekalina V., Баранов А. С. Measurement of the B−c meson production fraction and asymmetry in 7 and 13 TeV pp collisions // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2019. Vol. 100. No. 11. P. 112006. doi
• Article Boldyrev A., Derkach D., Guschin M., Maevskiy A., Ratnikov F., Ustyuzhanin A., Kazeev N., LHCb C. Measurement of the electron reconstruction efficiency at LHCb // Journal of Instrumentation. 2019. Vol. 14. No. 11. P. 11023. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, V. Belavin, M. Borisyak, K. Arzymatov. Observation of New Resonances in the Λb0 π+π- System // Physical Review Letters. 2019. Vol. 123. No. 15. P. 1-11. doi
• Article Maevskiy, A., Boldyrev, A, Derkach, D., Hushchyn, M., Kazeev, N., Ratnikov, F., Ustyuzhanin, A., Belavin, V., Borisyak, M., K. Arzymatov. Observation of the Λb0→χc1 (3872) pK− decay // Journal of High Energy Physics. 2019. No. 09(2019)28. P. 1-19. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, K. Arzymatov, V. Belavin, M. Borisyak. Search for Lepton-Flavor Violating Decays B+→K+μ±e∓ // Physical Review Letters. 2019. Vol. 123. No. 24. P. 1-11. doi
• Article Boldyrev A., Derkach D., Guschin M., Kazeev N., Maevskiy A., Ratnikov F., Ustyuzhanin A., LHCb C. Search for the doubly charmed baryon Ξ+𝑐𝑐 // Science China Physics, Mechanics & Astronomy. 2019. Vol. 63. No. 2. P. 1869-1927. doi
• Article A. Boldyrev, D. Derkach, M. Hushchyn, N. Kazeev, A. Maevskiy, F. Ratnikov, A. Ustyuzhanin, V. Belavin, M. Borisyak, K. Arzymatov. Updated measurement of time-dependent 𝐶𝑃-violating observables in 𝐵0𝑠→𝐽/𝜓𝐾+𝐾− decays // The European Physical Journal C - Particles and Fields. 2019. No. 79:706. P. 1-26. doi
• Article A. S. Maevskiy, A. S. Boldyrev, ATLAS C. Angular analysis of Bd0→K∗μ+μ− decays in pp collisions at √s=8 TeV with the ATLAS detector // Journal of High Energy Physics. 2018. Vol. 10. No. 047. P. 1-46. doi
• Article Boldyrev A. S., Vorobev K. A., Zhukov K. I., Konovalov S. P., Maevsky A. S., Romaniouk A. S., Smirnov S. Y., Teterin P. E., Tikhomirov V. O., Filippov K. A. Computer Simulation of a Transition-Radiation Detector Prototype Based on Straw Proportional Chambers / Пер. с рус. // Instruments and Experimental Techniques. 2018. Vol. 61. No. 5. P. 658-664. doi
• Article A.S. Boldyrev, ATLAS C., A.S. Maevskiy. Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2018. Vol. 97. No.  072003. P. 1-44. doi
• Article A.S. Boldyrev, A.S. Maevskiy, ATLAS C. Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector // Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 2018. Vol. 784. P. 173-191. doi
• Article A.S. Boldyrev, A.S. Maevskiy, ATLAS C. Search for the standard model Higgs boson produced in association with top quarks and decaying into a bb¯ pair in pp collisions at √s = 13 TeV with the ATLAS detector // Physical Review D - Particles, Fields, Gravitation and Cosmology. 2018. Vol.  97. No.  072016. P. 072016-1-072016-44. doi
• Article A S Boldyrev, A Maevsky. Some results of test beam studies of Transition Radiation Detector prototypes at CERN // Journal of Physics: Conference Series. 2017. Vol. 798. No. 1. P. 1-5. doi
• Article A S Boldyrev, A Maevsky. Test beam studies of the TRD prototype filled with different gas mixtures based on Xe, Kr, and Ar // Journal of Physics: Conference Series. 2017. Vol. 798. No. 1. P. 1-5. doi
• Article A. Maevskiy, A. S. Boldyrev, ATLAS C. Measurement of the CP-violating phase ϕs and the B0s meson decay width difference with B0s→J/ψϕ decays in ATLAS // Journal of High Energy Physics. 2016. Vol. 8. No. 147. P. 1-44. doi