Oleg Ruchayskiy

Oleg Ruchayskiy

Associate Professor


  1. Published

    Probing the nature of dark matter with deep XMM-Newton observations of the dwarf spheroidal galaxies

    Boyarsky, A. & Ruchayskiy, Oleg, Mar 2017, In: Astronomische Nachrichten. 338, 2-3, p. 287-292

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Probing new physics with displaced vertices: Muon tracker at CMS

    Bondarenko, K., Boyarsky, A., Ovchynnikov, M., Ruchayskiy, Oleg & Shchutska, L., 15 Oct 2019, In: Physical Review D. 100, 7, 9 p., 075015.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Phenomenology of GeV-scale heavy neutral leptons

    Bondarenko, K., Boyarsky, A., Gorbunov, D. & Ruchayskiy, Oleg, 1 Nov 2018, In: Journal of High Energy Physics. 2018, 11, 48 p., 032.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Observation of Collider Muon Neutrinos with the SND@LHC Experiment

    Albanese, R., Alexandrov, A., Alicante, F., Anokhina, A., Asada, T., Battilana, C., Bay, A., Betancourt, A. J., Biswas, R., Blanco Castro, Bogomilov, M., Ruchayskiy, Oleg, Timiryasov, Inar & SND LHC Collaboration, S. L. C., 19 Jul 2023, In: Physical Review Letters. 131, 3, 8 p., 031802.

    Research output: Contribution to journalLetterResearchpeer-review

  5. Published

    Measurement of the muon flux from 400 GeV/c protons interacting in a thick molybdenum/tungsten target

    Ahdida, C., Akmete, A., Albanser, R., Alexandrov, A. V., Anokhina, A., Aoki, S., Arduini, G., Atkin, E., Azorsky, N., Back, J. J., Bagulya, A., Boiarska, I., Ruchayskiy, Oleg, Tastet, J., Xella, Stefania & SHIP collaboration, S. C., 29 Apr 2020, In: European Physical Journal C. 80, 3, 11 p., 284.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Measurement of the muon flux at the SND@LHC experiment

    Albanese, R., Alexandrov, A., Alicante, F., Anokhina, A., Asada, T., Battilana, C., Bay, A., Betancourt, C., Bick, D., Biswas, R., Castro, A. B., Boccia, V., Bogomilov, M., Bonacorsi, D., Bonivento, W. M., Bordalo, P., Boyarsky, A., Buontempo, S., Campanelli, M., Camporesi, T. & 125 others, Canale, V., Castro, A., Centanni, D., Cerutti, F., Chernyavskiy, M., Choi, K. -., Cholak, S., Cindolo, F., Climescu, M., Conaboy, A. P., Dallavalle, G. M., Davino, D., De Bryas, P. T., De Lellis, G., De Magistris, M., De Roeck, A., De Rújula, A., De Serio, M., De Simone, D., Crescenzo, A. D., Donà, R., Durhan, O., Fabbri, F., Fedotovs, F., Ferrillo, M., Ferro-luzzi, M., Fini, R. A., Fiorillo, A., Fresa, R., Funk, W., Walls, F. M. G., Golovatiuk, A., Golutvin, A., Graverini, E., Guler, A. M., Guliaeva, V., Haefeli, G. J., Hagner, C., Herrera, J. C. H., Van Herwijnen, E., Iengo, P., Ilieva, S., Infantino, A., Iuliano, A., Jacobsson, R., Kamiscioglu, C., Kauniskangas, A. M., Khalikov, E., Kim, S. H., Kim, Y. G., Klioutchnikov, G., Komatsu, M., Konovalova, N., Kuleshov, S., Lacker, H. M., Lantwin, O., Manghi, F. L., Lauria, A., Lee, K. Y., Lee, K. S., Meo, S. L., Loschiavo, V. P., Marcellini, S., Margiotta, A., Mascellani, A., Miano, A., Mikulenko, A., Montesi, M. C., Navarria, F. L., Ogawa, S., Okateva, N., Ovchynnikov, M., Paggi, G., Park, B. D., Pastore, A., Perrotta, A., Podgrudkov, D., Polukhina, N., Prota, A., Quercia, A., Ramos, S., Reghunath, A., Roganova, T., Ronchetti, F., Rovelli, T., Ruchayskiy, Oleg, Ruf, T., Gilarte, M. S., Sadykov, Z., Samoilov, M., Scalera, V., Schmidt-parzefall, W., Schneider, O., Sekhniaidze, G., Serra, N., Shaposhnikov, M., Shevchenko, V., Shchedrina, T., Shchutska, L., Shibuya, H., Simone, S., Siroli, G. P., Sirri, G., Soares, G., Sohn, J. Y., Sandoval, O. J. S., Spurio, M., Starkov, N., Timiryasov, Inar, Tioukov, V., Tramontano, F., Trippl, C., Ursov, E., Ustyuzhanin, A., Vankova-kirilova, G., Verguilov, V., Leonardo, N. V. G., Vilela, C., Visone, C., Wanke, R., Yaman, E., Yazici, C., Yoon, C. S., Zaffaroni, E. & Saa, J. Z., 27 Jan 2024, In: The European Physical Journal C. 84, 1, 10 p., 90.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Magnetohydrodynamics of chiral relativistic fluids

    Boyarsky, A., Fröhlich, J. & Ruchayskiy, Oleg, 11 Aug 2015, In: Physical Review D. 92, 4, 043004.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Light scalar production from Higgs bosons and FASER 2

    Boiarska, I., Bondarenko, K., Boyarsky, A., Ovchynnikov, M., Ruchayskiy, Oleg & Sokolenko, A., 11 May 2020, In: Journal of High Energy Physics. 2020, 5, 21 p., 049.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Lepton number survival in the cosmic neutrino background

    Ruchayskiy, Oleg, Syvolap, V. & Würsch, R., 1 Dec 2023, In: Physical Review D. 108, 12, 6 p., 123503.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Laminar and Turbulent Dynamos in Chiral Magnetohydrodynamics. II. Simulations

    Schober, J., Rogachevskii, I., Brandenburg, A., Boyarsky, A., Frohlich, J., Ruchayskiy, Oleg & Kleeorin, N., 10 May 2018, In: Astrophysical Journal. 858, 2, 23 p., 124.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Laminar and Turbulent Dynamos in Chiral Magnetohydrodynamics. I. Theory

    Rogachevskii, I., Ruchayskiy, Oleg, Boyarsky, A., Frohlich, J., Kleeorin, N., Brandenburg, A. & Schober, J., 10 Sep 2017, In: Astrophysical Journal. 846, 2, 153.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Improved big bang nucleosynthesis constraints on heavy neutral leptons

    Boyarsky, A., Ovchynnikov, M., Ruchayskiy, Oleg & Syvolap, 16 Jul 2021, In: Physical Review D. 104, 2, 13 p., 023517.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    How to constrain warm dark matter with the Lyman-α forest

    Garzilli, A., Magalich, A., Ruchayskiy, Oleg & Boyarsky, A., 23 Jan 2021, In: Monthly Notices of the Royal Astronomical Society. 502, p. 2356-2363 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    How bright was the Big Bang?

    Andersen, C., Rosenstroem, C. A. & Ruchayskiy, Oleg, 19 Apr 2019, In: American Journal of Physics. 87, 5, p. 395-400

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Heavy neutral leptons — Advancing into the PeV domain

    Urquía Calderón, Kevin Alberto, Timiryasov, Inar & Ruchayskiy, Oleg, 24 Aug 2023, In: Journal of High Energy Physics. 2023, 8, 28 p., 167.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Hadronic decays of a light Higgs-like scalar

    Boyarsky, A., Ruchayskiy, Oleg & Monin, A., 10 Jan 2019, In: Physical Review D. 99, 19 p., 015019.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Galaxy formation in semi-analytic models with sterile neutrino dark matter

    Lovell, M. R., Bose, S., Boyarsky, A., Cole, S., Frenk, C., Gonzalez-Perez, V., Kennedy, R., Ruchayskiy, Oleg & Smith, A., 1 Jan 2018, 14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings. Ruffini, R., Bianchi, M., Ruffini, R. & Jantzen, R. T. (eds.). World Scientific Publishing Co. Pte. Ltd., p. 2441-2446 6 p. (14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  18. Published

    Feebly-interacting particles: FIPs 2020 workshop report

    Agrawal, P., Bauer, M., Beacham, J., Berlin, A., Boyarsky, A., Cebrian, S., Cid-Vidal, X., D'Enterria, D., De Roeck, A., Drewes, M., Echenard, B., Giannotti, M., Giudice, G. F., Gninenko, S., Gori, S., Goudzovski, E., Heeck, J., Hernandez, P., Hostert, M., Irastorza, I. G. & 26 others, Izmaylov, A., Jaeckel, J., Kahlhoefer, F., Knapen, S., Krnjaic, G., Lanfranchi, G., Monroe, J., Outschoorn, V. I. M., Lopez-Pavon, J., Pascoli, S., Pospelov, M., Redigolo, D., Ringwald, A., Ruchayskiy, Oleg, Ruderman, J., Russell, H., Salfeld-Nebgen, J., Schuster, P., Shaposhnikov, M., Shchutska, L., Shelton, J., Soreq, Y., Stadnik, Y., Swallow, J., Tobioka, K. & Tsai, Y., 19 Nov 2021, In: European Physical Journal C. 81, 11, 137 p., 1015.

    Research output: Contribution to journalReviewResearchpeer-review

  19. Published

    Fast simulation of muons produced at the SHiP experiment using Generative Adversarial Networks

    SHIP collaboration, S. C., 2 Nov 2019, In: Journal of Instrumentation. 14, 20 p., P11028.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Evolution of the Primordial Axial Charge across Cosmic Times

    Boyarsky, A., Cheianov, V. V., Ruchayskiy, Oleg & Sobol, O., 11 Jan 2021, In: Physical Review Letters. 126, 2, 6 p., 021801.

    Research output: Contribution to journalLetterResearchpeer-review

  21. Published

    Equilibration of the chiral asymmetry due to finite electron mass in electron-positron plasma

    Boyarsky, A., Cheianov, V. V., Ruchayskiy, Oleg & Sobol, O., 11 Jan 2021, In: Physical Review D. 103, 1, 39 p., 013003.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Decaying dark matter: The case for a deep X-ray observation of Draco

    Lovell, M. R., Bertone, G., Boyarsky, A., Jenkins, A. & Ruchayskiy, Oleg, 1 Jan 2015, In: Monthly Notices of the Royal Astronomical Society. 451, 2, p. 1573-1585 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Cutoff in the Lyman-alpha forest power spectrum: Warm IGM or warm dark matter?

    Garzilli, A., Boyarsky, A. & Ruchayskiy, Oleg, 10 Oct 2017, In: Physics Letters B. 773, p. 258-264

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Constraints from Ly-alpha forests on non-thermal dark matter including resonantly-produced sterile neutrinos

    Baur, J., Palanque-Delabrouille, N., Yeche, C., Boyarsky, A., Ruchayskiy, Oleg, Armengaud, E. & Lesgourgues, J., 6 Dec 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 11, 013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center

    Boyarsky, A., Franse, J., Iakubovskyi, D. & Ruchayskiy, Oleg, 14 Oct 2015, In: Physical Review Letters. 115, 16, 161301.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 124404360