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4 papers
Sun as a cosmic ray TeVatron
Prabir Banik, Arunava Bhadra, Sanjay K. Ghosh
Very recently, HAWC observatory discovered the high-energy gamma ray emission from the solar disk during the quiescent stage of the Sun, extending the Fermi-LAT detection of intens…
Synchronization gauge field, standing waves and one-way-speed of light
Arunava Bhadra, Abhishek Chakraborty, Souvik Ghose +1
The absolute nature of many fundamental predictions of the theory of special relativity, including the relativity of simultaneity, has been questioned in the literature owing to th…
Gravitational lensing study of cold dark matter led galactic halo
Samrat Ghosh, Arunava Bhadra, Amitabha Mukhopadhyay
In this work the space-time geometry of the halo region in spiral galaxies is obtained considering the observed flat galactic rotation curve feature, invoking the Tully-Fisher rela…
Leptonic originated High energy neutrinos from astrophysical objects
Arunava Bhadra, Prabir Banik
High-energy neutrinos are traditionally regarded as unambiguous signatures of hadronic cosmic rays in astrophysical environments. Here we show that TeV neutrinos can instead be pro…