Abstract
We present the new version v2.0 of the public code BlackHawk designed to compute the Hawking radiation of black holes, with both primary and hadronized spectra. This new version aims at opening an avenue toward physics beyond the Standard Model (BSM) in Hawking radiation. Several major additions have been made since version v1.0: dark matter/dark radiation emission, spin 3/2 greybody factors, scripts for cosmological studies, BSM black hole metrics with their associated greybody factors and a careful treatment of the low energy showering of secondary particles; as well as bug corrections. We present, in each case, examples of the new capabilities of BlackHawk.
Highlights
It is of utmost importance to be able to predict precisely the HR spectra of Standard Model (SM) and beyond SM (BSM) particles
We present the new version v2.0 of the public code BlackHawk designed to compute the Hawking radiation of black holes, with both primary and hadronized spectra
[42] X-ray limits, neutrino constraints from Super-Kamiokande [40], JUNO [43] or prospective neutrino detectors [44,45], gamma ray constraints from INTEGRAL [46], COMPTEL with improved low-energy secondary particles treatment [12], prospective AMEGO instrument [12,47], LHASSO [48] or fine modelisation of the Galaxy [49], prediction of signals from Planet 9 within the PBH hypothesis [50], archival galactic center radio observations [51], interstellar medium temperature in dwarf galaxies [52,53,54] or 21 cm measurements by EDGES with Schwarzschild [55] or Kerr PBHs [56], Big Bang nucleosynthesis (BBN) [57], heat flow from a small BH captured in the Earth core [58], warm DM from light Schwarzschild [22] and Kerr
Summary
We describe the new features added to BlackHawk since the manual was published [34] and we give examples of interesting new results. They have been grouped into distinct categories, even if the changes were made separately: addition of DM, spin 3/2 greybody factors, time dependent features for cosmological studies, greybody factors from new BH metrics, low energy hadronization. Most of these add-ons imply a modification of some parameters and routines, that are listed respectively in Sect. Most of these add-ons imply a modification of some parameters and routines, that are listed respectively in Sect. 3 and “Appendix A”
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