Search Results - "Acharya, Sandeep Kumar" :: K.UTB vyhledávací portál

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CMB and BBN constraints on evaporating primordial black holes revisited

by Acharya, Sandeep Kumar, Khatri, Rishi
Published in Journal of cosmology and astroparticle physics (01.06.2020)

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Thermalization of large energy release in the early Universe

by Chluba, Jens, Ravenni, Andrea, Acharya, Sandeep Kumar
Published in Monthly notices of the Royal Astronomical Society (11.10.2020)

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CMB anisotropy and BBN constraints on pre-recombination decay of dark matter to visible particles

by Acharya, Sandeep Kumar, Khatri, Rishi
Published in Journal of cosmology and astroparticle physics (16.12.2019)

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CMB spectral distortions constraints on primordial black holes, cosmic strings and long lived unstable particles revisited

by Acharya, Sandeep Kumar, Khatri, Rishi
Published in Journal of cosmology and astroparticle physics (11.02.2020)

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Sunyaev-Zeldovich signatures from non-thermal, relativistic electrons using CMB maps

by Acharya, Sandeep Kumar
Published in The open journal of astrophysics (11.07.2024)

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A closer look at dark photon explanations of the excess radio background

by Acharya, Sandeep Kumar, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (01.05.2023)

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CMB spectral distortions from continuous large energy release

by Acharya, Sandeep Kumar, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (22.08.2022)

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Importance of intracluster scattering and relativistic corrections from tSZ effect with cosmic infrared background

by Acharya, Sandeep Kumar, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (01.02.2023)

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Revisiting secondary CMB distortions due to kinetic Sunyaev–Zel’dovich effect from quasar bubbles before reionization

by Acharya, Sandeep Kumar, Majumdar, Subhabrata
Published in Monthly notices of the Royal Astronomical Society (01.05.2023)

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The role of soft photon injection and heating in 21 cm cosmology

by Acharya, Sandeep Kumar, Cyr, Bryce, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (30.05.2023)

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Can accreting primordial black holes explain the excess radio background?

by Acharya, Sandeep Kumar, Dhandha, Jiten, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (18.10.2022)

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Constraints on the spectral signatures of superconducting cosmic strings

by Cyr, Bryce, Chluba, Jens, Acharya, Sandeep Kumar
Published in Monthly notices of the Royal Astronomical Society (01.10.2023)

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Soft photon heating: a semi-analytic framework and applications to 21-cm cosmology

by Cyr, Bryce, Acharya, Sandeep Kumar, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (01.10.2024)

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Constraining broad photon spectrum injections from exotic and astrophysical sources

by Acharya, Sandeep Kumar, Cyr, Bryce, Chluba, Jens
Published in Monthly notices of the Royal Astronomical Society (01.01.2024)

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Comparison of numerical methods for computing the repeated Compton scattering of photons in isotropic media

by Acharya, Sandeep Kumar, Chluba, Jens, Sarkar, Abir
Published in Monthly notices of the Royal Astronomical Society (01.10.2021)

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Constraints on N eff of high energy non-thermal neutrino injections upto > z ∼ 10 8 from CMB spectral distortions and abundance of light elements

by Acharya, Sandeep Kumar, Khatri, Rishi
Published in Journal of cosmology and astroparticle physics (05.11.2020)

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Constraints on Neff of high energy non-thermal neutrino injections upto >z∼108 from CMB spectral distortions and abundance of light elements

by Acharya, Sandeep Kumar, Khatri, Rishi
Published in Journal of cosmology and astroparticle physics (01.11.2020)

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The non-thermal secondary CMB anisotropies from a cosmic distribution of radio galaxy lobes

by Acharya, Sandeep Kumar, Majumdar, Subhabrata, Nath, Biman B
Published in Monthly notices of the Royal Astronomical Society (01.01.2023)

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Disentangling the primordial nature of stochastic gravitational wave backgrounds with CMB spectral distortions

by Cyr, Bryce, Kite, Thomas, Chluba, Jens, Hill, J Colin, Jeong, Donghui, Acharya, Sandeep Kumar, Bolliet, Boris, Patil, Subodh P
Published in Monthly notices of the Royal Astronomical Society (13.01.2024)

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Non-thermal Sunyaev–Zeldovich signal from radio galaxy lobes

by Acharya, Sandeep Kumar, Majumdar, Subhabrata, Nath, Biman B
Published in Monthly notices of the Royal Astronomical Society (01.06.2021)

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