List of Publications

arXiv     Google Scholar     Inspire-HEP

  1. Cosmogenic Origin of KM3-230213A: Delayed Gamma-Ray Emission from A Cosmic-Ray Transient
    Sovan Boxi, Saikat Das, Nayantara Gupta
    Astrophys. J. Lett. 997 (2026) L3 [arXiv:2511.18144]

  2. Studying mirror acceleration via kinetic simulations of relativistic plasma turbulence
    Saikat Das, Siyao Xu, Joonas Nättilä
    Submitted to Phys. Rev. D [arXiv:2504.16019]

  3. Cosmic-Ray Constraints on the Flux of Ultra-High-Energy Neutrino Event KM3-230213A
    Saikat Das, Bing Zhang, Soebur Razzaque, Siyao Xu
    Astrophys. J. 991 (2025) 96 [arXiv:2504.16019]

  4. Cosmic Clues from Amaterasu: Blazar-Driven Ultrahigh-Energy Cosmic Rays?
    Saikat Das, Srijita Hazra, Nayantara Gupta
    Astrophys. J. Lett. 988 (2025) L8 [arXiv:2504.10847]

  5. Tracing the imprints of large-scale magnetized structure on γ rays from GRB 221009A
    Saikat Das, Soebur Razzaque, Nestor Mirabal, Nicola Omodei, Kohta Murase, Israel-Martinez Castellanos
    Submitted to J. Cosmol. Astropart. Phys. [arXiv:2504.15890]

  6. Composite asymmetric dark matter with a dark photon portal: Multimessenger tests
    Saikat Das, Ayuki Kamada, Takumi Kuwahara, Kohta Murase, Deheng Song
    Phys. Rev. D 112 (2025) 015027 [arXiv:2412.15641]

  7. Probing superheavy dark matter through lunar radio observations of ultrahigh-energy neutrinos
    Saikat Das, Jose Alonso Carpio, Kohta Murase
    Phys. Rev. D 111 (2025) 083007 [arXiv:2405.06382]

  8. Ultrahigh-energy constraints on decaying superheavy dark matter
    Saikat Das, Kohta Murase, Toshihiro Fujii
    Phys. Rev. D 107 (2023) 103013 [arXiv:2302.02993]

  9. Dissecting the broadband emission from gamma-ray blazar PKS~0735+178 in search of neutrinos
    Raj Prince, Saikat Das, Nayantara Gupta, Pratik Majumdar, Bożena Czerny
    Mon. Not. R. Astron. Soc. 527 (2023) 8746 [arXiv:2301.06565]

  10. Exploring the Emission Mechanisms of Mrk 180 with long term X-ray and gamma-ray data
    Sandeep K. Mondal, Saikat Das, Nayantara Gupta
    Astrophys. J. 948 (2023) 75 [arXiv:2212.07331]

  11. Ultrahigh-energy cosmic-ray signature in GRB 221009A
    Saikat Das, Soebur Razzaque
    Astron. Astrophys. Lett. 670, L12 (2023) [arXiv:2210.13349]

  12. Implications of multiwavelength spectrum on cosmic-ray acceleration in blazar TXS 0506+056
    Saikat Das, Nayantara Gupta, Soebur Razzaque
    Astron. Astrophys. 668, A146 (2022) [arXiv:2208.00838]

  13. Cosmogenic gamma-ray and neutrino fluxes from blazars associated with IceCube events
    Saikat Das, Soebur Razzaque, Saikat Das
    Astron. Astrophys. Lett. 658, L6 (2022) [arXiv:2108.12120]

  14. PeV-EeV neutrinos from gamma-ray blazars due to ultrahigh-energy cosmic-ray propagation
    Saikat Das, Nayantara Gupta, Soebur Razzaque
    Astrophys. J. 910 , 100 (2021) [arXiv:2012.13877]

  15. Modeling the spectrum and composition of ultrahigh-energy cosmic rays with two populations of extragalactic sources
    Saikat Das, Soebur Razzaque, Nayantara Gupta
    Eur. Phys. J. C 81, 59 (2021) [arXiv:2004.07621]

  16. Milky Way globular cluster dynamics: are they preferentially co-rotating?
    Saikat Das, Nirupam Roy
    Res. Astron. Astrophys. 20, 130 (2020) [arXiv:2003.12763]

  17. Ultrahigh-energy Cosmic-Ray Interactions as the Origin of Very High-energy gamma-Rays from BL Lacs
    Saikat Das, Nayantara Gupta, Soebur Razzaque
    Astrophys. J. 889, 149 (2020) [arXiv:1911.06011]

  18. Ultrahigh energy cosmic rays and neutrinos from light nuclei composition
    Saikat Das, Soebur Razzaque, Nayantara Gupta
    Phys. Rev. D 99, 083015 (2019) [arXiv:1809.05321]