Leptonic secondary emission in a hadronic microquasar model
Fil: Orellana, Mariana D. Universidad Nacional de Río Negro; Argentina
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| Lenguaje: | Inglés |
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2007
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| Acceso en línea: | https://www.aanda.org/articles/aa/abs/2007/46/aa8495-07/aa8495-07.html http://hdl.handle.net/11336/29338 https://rid.unrn.edu.ar/jspui/handle/20.500.12049/2827 http://dx.doi.org/10.1051/0004-6361:20078495 |
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I65-R171-20.500.12049-28272023-09-13T15:34:33Z application/pdf info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/4.0/ 2007-10-03 Fil: Orellana, Mariana D. Universidad Nacional de Río Negro; Argentina Fil: Orellana, Mariana D. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Orellana, Mariana D. Instituto Argentino de Radioastronomia; Argentina Fil: Bordas, Pol. Universidad de Barcelona; España Fil: Bosch Ramon, Valentí. Max Planck Institut für Kernphysik; Alemania Fil: Romero, Gustavo E. Comisión de Investigaciones Científicas; Argentina Fil: Romero, Gustavo E. Instituto Argentino de Radioastronomia; Argentina Fil: Romero, Gustavo E. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Paredes, Josep M. Universidad de Barcelona; España Leptonic secondary emission in a hadronic microquasar model Orellana, Mariana Dominga Bordas, Pol Bosch Ramon, Valentí Romero, Gustavo E. Paredes, Josep M. Ciencias Físicas Radiation Mechanisms Gamma Rays Binary Stars Ciencias Físicas true Context. It has been proposed that the origin of the very high-energy photons emitted from high-mass X-ray binaries with jet-like features, so-called microquasars (MQs), is related to hadronic interactions between relativistic protons in the jet and cold protons of the stellar wind. Leptonic secondary emission should be calculated in a complete hadronic model that include the effects of pairs from charged pion decays inside the jets and the emission from pairs generated by gamma-ray absorption in the photosphere of the system. Aims. We aim at predicting the broadband spectrum from a general hadronic microquasar model, taking into account the emission from secondaries created by charged pion decay inside the jet. Methods. The particle energy distribution for secondary leptons injected along the jets is consistently derived taking the energy losses into account. We also compute the spectral energy distribution resulting from these leptons is calculated after assuming different values of the magnetic field inside the jets. The spectrum of the gamma-rays produced by neutral pion-decay and processed by electromagnetic cascades under the stellar photon field. Results. We show that the secondary emission can dominate the spectral energy distribution at low energies ( ∼ 1 MeV). At high energies, the production spectrum can be significantly distorted by the effect of electromagnetic cascades. These effects are phase-dependent, and some variability modulated by the orbital period is predicted. Orellana, Mariana D., Bordas, Pol., Bosch Ramon, Valentí., Romero, Gustavo E. & Paredes, Josep M. (2007). Leptonic secondary emission in a hadronic microquasar model. EDP Sciences; Astronomy and Astrophysics; 476; 1; 9-15 0004-6361 https://www.aanda.org/articles/aa/abs/2007/46/aa8495-07/aa8495-07.html http://hdl.handle.net/11336/29338 https://rid.unrn.edu.ar/jspui/handle/20.500.12049/2827 http://dx.doi.org/10.1051/0004-6361:20078495 eng 476 Astronomy and Astrophysics |
| institution |
Universidad Nacional de Río Negro |
| institution_str |
I-65 |
| repository_str |
R-171 |
| collection |
Repositorio Institucional Digital de la Universidad Nacional de Río Negro (UNRN) |
| language |
Inglés |
| orig_language_str_mv |
eng |
| topic |
Ciencias Físicas Radiation Mechanisms Gamma Rays Binary Stars Ciencias Físicas |
| spellingShingle |
Ciencias Físicas Radiation Mechanisms Gamma Rays Binary Stars Ciencias Físicas Orellana, Mariana Dominga Bordas, Pol Bosch Ramon, Valentí Romero, Gustavo E. Paredes, Josep M. Leptonic secondary emission in a hadronic microquasar model |
| topic_facet |
Ciencias Físicas Radiation Mechanisms Gamma Rays Binary Stars Ciencias Físicas |
| description |
Fil: Orellana, Mariana D. Universidad Nacional de Río Negro; Argentina |
| author |
Orellana, Mariana Dominga Bordas, Pol Bosch Ramon, Valentí Romero, Gustavo E. Paredes, Josep M. |
| author_facet |
Orellana, Mariana Dominga Bordas, Pol Bosch Ramon, Valentí Romero, Gustavo E. Paredes, Josep M. |
| author_sort |
Orellana, Mariana Dominga |
| title |
Leptonic secondary emission in a hadronic microquasar model |
| title_short |
Leptonic secondary emission in a hadronic microquasar model |
| title_full |
Leptonic secondary emission in a hadronic microquasar model |
| title_fullStr |
Leptonic secondary emission in a hadronic microquasar model |
| title_full_unstemmed |
Leptonic secondary emission in a hadronic microquasar model |
| title_sort |
leptonic secondary emission in a hadronic microquasar model |
| publishDate |
2007 |
| url |
https://www.aanda.org/articles/aa/abs/2007/46/aa8495-07/aa8495-07.html http://hdl.handle.net/11336/29338 https://rid.unrn.edu.ar/jspui/handle/20.500.12049/2827 http://dx.doi.org/10.1051/0004-6361:20078495 |
| work_keys_str_mv |
AT orellanamarianadominga leptonicsecondaryemissioninahadronicmicroquasarmodel AT bordaspol leptonicsecondaryemissioninahadronicmicroquasarmodel AT boschramonvalenti leptonicsecondaryemissioninahadronicmicroquasarmodel AT romerogustavoe leptonicsecondaryemissioninahadronicmicroquasarmodel AT paredesjosepm leptonicsecondaryemissioninahadronicmicroquasarmodel |
| _version_ |
1824438167107796992 |