English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

While active galactic nuclei with relativistic jets have long been primecandidates for the origin of extragalactic cosmic rays and neutrinos, the BLLac object TXS 0506+056 is the first astrophysical source observed to beassociated with some confidence ($\sim 3\sigma$) with a high-energy neutrino,IceCube-170922A, detected by the IceCube Observatory. The source was found tobe active in high-energy gamma-rays with Fermi-LAT and in very-high-energygamma-rays with the MAGIC telescopes. To consistently explain the observedneutrino and multi-wavelength electromagnetic emission of TXS 0506+056, weinvestigate in detail single-zone models of lepto-hadronic emission, assumingco-spatial acceleration of electrons and protons in the jet, and synchrotronphotons from the electrons as targets for photo-hadronic neutrino production.The parameter space concerning the physical conditions of the emission regionand particle populations is extensively explored for scenarios where thegamma-rays are dominated by either 1) proton synchrotron emission or 2)synchrotron-self-Compton emission, with a subdominant but non-negligiblecontribution from photo-hadronic cascades in both cases. We find that thelatter can be compatible with the neutrino observations, while the former isstrongly disfavoured due to the insufficient neutrino production rate.

Lepto-hadronic single-zone models for the electromagnetic and neutrino emission of TXS 0506+056