{"id":6235,"date":"2020-02-06T16:00:00","date_gmt":"2020-02-06T15:00:00","guid":{"rendered":"https:\/\/www.ieec.cat\/high-energy-neutrinos-from-active-galactic-nuclei\/"},"modified":"2023-01-17T15:05:47","modified_gmt":"2023-01-17T14:05:47","slug":"high-energy-neutrinos-from-active-galactic-nuclei","status":"publish","type":"post","link":"https:\/\/www.ieec.cat\/en\/high-energy-neutrinos-from-active-galactic-nuclei\/","title":{"rendered":"High energy neutrinos from active galactic nuclei"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”4.14.8″ _module_preset=”default” background_image=”\/wp-content\/uploads\/2022\/04\/slider-corpo2.jpg” height=”114px” global_colors_info=”{}”][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.14.8″ _module_preset=”default” custom_margin=”||0px||false|false” custom_padding=”||0px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.14.8″ _dynamic_attributes=”content” _module_preset=”default” custom_margin=”0px||0px||false|false” custom_padding=”0px||0px||false|false” global_colors_info=”{}”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF90aXRsZSIsInNldHRpbmdzIjp7ImJlZm9yZSI6IjxoMSBjbGFzcz1cImVudHJ5X3RpdGxlXCI+IiwiYWZ0ZXIiOiI8L2gxPiJ9fQ==@[\/et_pb_text][et_pb_text _builder_version=”4.14.8″ _dynamic_attributes=”content” _module_preset=”default” custom_margin=”0px|5px|0px||false|false” custom_padding=”0px||0px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ custom_css_main_element=”display: inline-block;”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfZmVjaGFfZXZlbnRvIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJlbmFibGVfaHRtbCI6Im9mZiJ9fQ==@[\/et_pb_text][et_pb_text _builder_version=”4.14.8″ _dynamic_attributes=”content” _module_preset=”default” custom_margin=”0px|5px|0px||false|false” custom_padding=”0px||0px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ custom_css_main_element=”display: inline-block;”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfaG9yYV9ldmVudG8iLCJzZXR0aW5ncyI6eyJiZWZvcmUiOiIiLCJhZnRlciI6IiIsImVuYWJsZV9odG1sIjoib2ZmIn19@[\/et_pb_text][et_pb_text _builder_version=”4.14.8″ _dynamic_attributes=”content” _module_preset=”default” custom_margin=”0px||0px||false|false” custom_padding=”0px||0px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″ module_class=”event-organizations”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfb3JnYW5pemFjaW9uZXMiLCJzZXR0aW5ncyI6eyJiZWZvcmUiOiIiLCJhZnRlciI6IiIsImVuYWJsZV9odG1sIjoib2ZmIn19@[\/et_pb_text][et_pb_text _builder_version=”4.14.8″ _dynamic_attributes=”content” _module_preset=”default” custom_margin=”0px||0px||false|false” custom_padding=”0px||0px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfbHVnYXJfZXZlbnRvIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJlbmFibGVfaHRtbCI6Im9mZiJ9fQ==@[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.14.8″ _module_preset=”default” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” top_divider_color=”RGBA(255,255,255,0)” top_divider_height=”0px” global_colors_info=”{}”][et_pb_row _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.ieec.cat\/wp-content\/uploads\/2022\/12\/1580820945_87c8fca63f169e18dd0ea36b465c7ab3_2020_02_chiara_righi.jpg” alt=”High energy neutrinos from active galactic nuclei” title_text=”High energy neutrinos from active galactic nuclei” _builder_version=”4.14.8″ _module_preset=”default” width=”600px” module_alignment=”center” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”]Despite intense inquiry, the sources at the origin of the high-energy neutrinos revealed by IceCube are still unknown. The potential correlation of an IceCube event with a flaring gamma-ray source has recently focused the attention on blazars, active galactic nuclei (AGN) with a relativistic jet pointing to the Earth.<\/p>\n

Since the nuclei of these sources lack bright thermal components, it is generally expected that, for acceptable values of the high-energy proton luminosity, the neutrino output (mediated by photopion reactions with photons produced within the jet) is low. I will discuss how this problem can be overcome considering alternative sources of soft photons external to the jet.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Despite intense inquiry, the sources at the origin of the high-energy neutrinos revealed by IceCube are still unknown. The potential correlation of an IceCube event with a flaring gamma-ray source has recently focused the attention on blazars, active galactic nuclei (AGN) with a relativistic jet pointing to the Earth. Since the nuclei of these sources […]<\/p>\n","protected":false},"author":0,"featured_media":6231,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[72,94],"tags":[],"class_list":["post-6235","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events","category-talk"],"yoast_head":"\nHigh energy neutrinos from active galactic nuclei - IEEC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ieec.cat\/en\/high-energy-neutrinos-from-active-galactic-nuclei\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High energy neutrinos from active galactic nuclei - IEEC\" \/>\n<meta property=\"og:description\" content=\"Despite intense inquiry, the sources at the origin of the high-energy neutrinos revealed by IceCube are still unknown. 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