GeV-TeV Cosmic Ray Leptons in the Solar System from the Bow Shock Wind Nebula of the Nearest Millisecond Pulsar J0437-4715. (arXiv:1904.09430v1 [astro-ph.HE])
<a href="http://arxiv.org/find/astro-ph/1/au:+Bykov_A/0/1/0/all/0/1">A.M. Bykov</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Petrov_A/0/1/0/all/0/1">A.E. Petrov</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Krassilchtchikov_A/0/1/0/all/0/1">A.M. Krassilchtchikov</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Levenfish_K/0/1/0/all/0/1">K.P. Levenfish</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Osipov_S/0/1/0/all/0/1">S.M. Osipov</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pavlov_G/0/1/0/all/0/1">G.G. Pavlov</a>
We consider acceleration of leptons up to GeV-TeV energies in the bow shock
wind nebula of PSR J0437-4715 and their subsequent diffusion through the
interstellar magnetic fields. The leptons accelerated at the pulsar wind
termination surface are injected into re-acceleration in colliding shock flows.
Modelled spectra of synchrotron emission from the accelerated electrons and
positrons are consistent with the far-ultraviolet and X-ray observations of the
nebula carried out with the Hubble Space Telescope and Chandra X-ray
Observatory. These observations are employed to constrain the absolute fluxes
of relativistic leptons, which are escaping from the nebula and eventually
reaching the Solar System after energy-dependent diffusion through the local
interstellar medium accompanied by synchrotron and Compton losses. It is shown
that accelerated leptons from the nebula of PSR J0437-4715 can be responsible
both for the enhancement of the positron fraction above a few GeV detected by
PAMELA and AMS-02 spectrometers and for the TeV range lepton fluxes observed
with H.E.S.S., VERITAS, Fermi, CALET, and DAMPE.
We consider acceleration of leptons up to GeV-TeV energies in the bow shock
wind nebula of PSR J0437-4715 and their subsequent diffusion through the
interstellar magnetic fields. The leptons accelerated at the pulsar wind
termination surface are injected into re-acceleration in colliding shock flows.
Modelled spectra of synchrotron emission from the accelerated electrons and
positrons are consistent with the far-ultraviolet and X-ray observations of the
nebula carried out with the Hubble Space Telescope and Chandra X-ray
Observatory. These observations are employed to constrain the absolute fluxes
of relativistic leptons, which are escaping from the nebula and eventually
reaching the Solar System after energy-dependent diffusion through the local
interstellar medium accompanied by synchrotron and Compton losses. It is shown
that accelerated leptons from the nebula of PSR J0437-4715 can be responsible
both for the enhancement of the positron fraction above a few GeV detected by
PAMELA and AMS-02 spectrometers and for the TeV range lepton fluxes observed
with H.E.S.S., VERITAS, Fermi, CALET, and DAMPE.
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