Magnetic field effects on neutrino production in microquasars

被引：60

作者：

Reynoso, M. M. ^{[1
,2
]}

Romero, G. E. ^{[3
,4
]}

机构：

[1] Univ Nacl Mar del Plata, Dept Fis, Fac Ciencias Exactas & Nat, RA-7600 Mar Del Plata, Argentina

[2] Consejo Nacl Invest Cient & Tecn, UNMdP, Inst Invest Fis Mar del Plata, RA-1033 Buenos Aires, DF, Argentina

[3] Consejo Nacl Invest Cient & Tecn, CCT La Plata, Inst Argentino Radioastron, RA-1033 Buenos Aires, DF, Argentina

[4] Natl Univ La Plata, Fac Ciencias Astron & Geofis, RA-1900 La Plata, Argentina

来源：

ASTRONOMY & ASTROPHYSICS | 2009年 / 493卷 / 01期

关键词：

X-rays: binaries; neutrinos; radiation mechanisms: non-thermal; GAMMA-RAY EMISSION; TEV NEUTRINOS; CYGNUS X-1; JET; RADIATION; BINARY; MODELS; RADIO;

D O I：

10.1051/0004-6361:200811004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Aims. We investigate the effects of magnetic fields on neutrino production in microquasars. Methods. We calculated the steady particle distributions for the pions and muons generated in p gamma and pp interactions in the jet taking the effects of all energy losses into account. Results. The obtained neutrino emission is significantly modified due to the synchrotron losses suffered by secondary pions and muons. Conclusions. The estimates made for neutrino fluxes arriving on the Earth imply that detection of high-energy neutrinos from the vicinity of the compact object can be difficult. However, in the case of windy microquasars, the interaction of energetic protons in the jet with matter of dense clumps of the wind could produce detectable neutrinos. This is because the pions and muons at larger distances from the compact object will not be affected by synchrotron losses.

引用

页码：1 / 11

页数：11

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