Oleg Ruchayskiy

Oleg Ruchayskiy

Associate Professor


  1. 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

  2. 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

  3. Published

    A White Paper on keV sterile neutrino Dark Matter

    Adhikari, R., Agostini, M., Ky, N. A., Araki, T., Archidiacono, M., Bahr, M., Baur, J., Behrens, J., Bezrukov, F., Dev, P. S. B., Borah, D., Boyarsky, A., de Gouvea, A., Pires, C. A. D. S., de Vega, H. J., Dias, A. G., Di Bari, P., Djurcic, Z., Dolde, K., Dorrer, H. & 116 others, Durero, M., Dragoun, O., Drewes, M., Drexlin, G., Duellmann, C. E., Eberhardt, K., Eliseev, S., Enss, C., Evans, N. W., Faessler, A., Filianin, P., Fischer, V., Fleischmann, A., Formaggio, J. A., Franse, J., Fraenkle, F. M., Frenk, C. S., Fuller, G., Gastaldo, L., Garzilli, A., Giunti, C., Glueck, F., Goodman, M. C., Gonzalez-Garcia, M. C., Gorbunov, D., Hamann, J., Hannen, V., Hannestad, S., Hansen, Steen Harle, Hassel, C., Heeck, J., Hofmann, F., Houdy, T., Huber, A., Iakubovskyi, D., Lanni, A., Ibarra, A., Jacobsson, R., Jeltema, T., Jochum, J., Kempf, S., Kieck, T., Korzeczek, M., Kornoukhov, V., Lachenmaier, T., Laine, M., Langacker, P., Lasserre, T., Lesgourgues, J., Lhuillier, D., Li, Y. F., Liao, W., Long, A. W., Maltoni, M., Mangano, G., Mavromatos, N. E., Menci, N., Merle, A., Mertens, S., Mirizzi, A., Monrea, B., Nozik, A., Neronov, A., Niro, V., Novikov, Y., Oberauer, L., Otten, E., Palanque-Delabrouille, N., Pallavicini, M., Pantuev, V. S., Papastergis, E., Parke, S., Pascoli, S., Pastor, S., Patwardhan, A., Pilaftsis, A., Radford, D. C., Ranitzsch, P. C. -., Rest, O., Robinson, D. J., Rodrigues da Silva, P. S., Ruchayskiy, Oleg, Sanchez, N. G., Sasaki, M., Saviano, N., Schneider, A., Schneider, F., Schwetz, T., Schoenert, S., Scholl, S., Shankar, F., Shrock, R., Steinbrink, N., Strigari, L., Suekane, F., Suerfu, B., Takahashi, R., Thi Hong Van, N., Tkachev, I., Totzauer, M., Tsai, Y., Tully, C. G., Valerius, K., Valle, J. W. F., Venos, D., Viel, M., Vivier, M., Wang, M. Y., Weinheimer, C., Wendt, K., Winslow, L., Wolf, J., Wurm, M., Xing, Z., Zhou, S. & Zuber, K., Jan 2017, In: Journal of Cosmology and Astroparticle Physics. 2017, 1

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter

    Lovell, M. R., Gonzalez-Perez, V., Bose, S., Boyarsky, A., Cole, S., S. Frenk, C. & Ruchayskiy, Oleg, 14 Mar 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 3, p. 2836-2849

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays

    Tastet, J., Goudzovski, E., Timiryasov, I. & Ruchayskiy, Oleg, 8 Sep 2021, In: Physical Review D. 104, 5, 7 p., 055005.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 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

  7. 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

  8. 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

  9. 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

  10. Published

    Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies

    Lovell, M. R., Bose, S., Boyarsky, A., A. Crain, R., S. Frenk, C., Hellwing, W. A., Ludlow, A. D., Navarro, J. F., Ruchayskiy, Oleg, Sawala, T., Schaller, M., Schaye, J. & Theuns, T., 16 Mar 2017, In: Monthly Notices of the Royal Astronomical Society. 468, 4, p. 4285-4298

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 124404360