Related papers: Galactic Diffuse Neutrino Emission from Sources be…

Active Galactic Nuclei and the Origin of IceCube's Diffuse Neutrino Flux

The excess of neutrino candidate events detected by IceCube from the direction of TXS 0506+056 has generated a great deal of interest in blazars as sources of high-energy neutrinos. In this study, we analyze the publicly available portion…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Dan Hooper , Tim Linden , Abby Vieregg

Measuring the Astrophysical Galactic Plane Neutrino Flux and Searching for Galactic PeVatrons using the IceCube Multi-Flavor Astrophysical Neutrino Sample

The IceCube Neutrino Observatory has provided new insights into the high-energy universe, in particular, unveiling neutrinos from the galactic plane. However, galactic neutrino sources are still unresolved. The recent detection of multi-PeV…

High Energy Astrophysical Phenomena · Physics 2025-09-09 Matthias Thiesmeyer , Tianlu Yuan , Leo Seen , Lu Lu , Albrecht Karle

Tomographic Constraints on High-Energy Neutrinos of Hadronuclear Origin

Mounting evidence suggests that the TeV-PeV neutrino flux detected by the IceCube telescope has mainly an extragalactic origin. If such neutrinos are primarily produced by a single class of astrophysical sources via hadronuclear ($pp$)…

High Energy Astrophysical Phenomena · Physics 2015-11-30 Shin'ichiro Ando , Irene Tamborra , Fabio Zandanel

PeV neutrinos from intergalactic interactions of cosmic rays emitted by active galactic nuclei

The observed very high energy spectra of distant blazars are well described by secondary gamma rays produced in line-of-sight interactions of cosmic rays with background photons. In the absence of the cosmic-ray contribution, one would not…

High Energy Astrophysical Phenomena · Physics 2013-07-29 Oleg E. Kalashev , Alexander Kusenko , Warren Essey

A multi-messenger study of the total galactic high-energy neutrino emission

A detailed multi-messenger study of the high-energy emission from the Galactic plane is possible nowadays thanks to the observations provided by gamma and neutrino telescopes and could be mandatory in order to obtain a consistent scenario.…

High Energy Physics - Phenomenology · Physics 2018-08-29 G. Pagliaroli , F. L. Villante

Leptohadronic Multimessenger Modeling of 324 Gamma-Ray Blazars

The origin of the diffuse astrophysical neutrino flux observed by the IceCube experiment is still under debate. In recent years there have been associations of neutrino events with individual blazars, which are active galaxies with…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Xavier Rodrigues , Vaidehi S. Paliya , Simone Garrappa , Anastasiia Omeliukh , Anna Franckowiak , Walter Winter

Searches for Neutrinos from LHAASO ultra-high-energy {\gamma}-ray sources using the IceCube Neutrino Observatory

Galactic PeVatrons are Galactic sources theorized to accelerate cosmic rays up to PeV in energy. The accelerated cosmic rays are expected to interact hadronically with nearby ambient gas or the interstellar medium, resulting in…

High Energy Astrophysical Phenomena · Physics 2023-03-15 R. Abbasi , M. Ackermann , J. Adams , N. Aggarwal , J. A. Aguilar , M. Ahlers , J. M. Alameddine , A. A. Alves , N. M. Amin , K. Andeen , T. Anderson , G. Anton , C. Argüelles , Y. Ashida , S. Athanasiadou , S. N. Axani , X. Bai , A. Balagopal V. , M. Baricevic , S. W. Barwick , V. Basu , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , J. Beise , C. Bellenghi , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , F. Bontempo , J. Y. Book , J. Borowka , C. Boscolo Meneguolo , S. Böser , O. Botner , J. Böttcher , E. Bourbeau , J. Braun , B. Brinson , J. Brostean-Kaiser , R. T. Burley , R. S. Busse , M. A. Campana , E. G. Carnie-Bronca , Y. L. Chang , C. Chen , Z. Chen , D. Chirkin , S. Choi , B. A. Clark , L. Classen , A. Coleman , G. H. Collin , A. Connolly , J. M. Conrad , P. Coppin , P. Correa , S. Countryman , D. F. Cowen , C. Dappen , P. Dave , C. De Clercq , J. J. DeLaunay , D. Delgado López , H. Dembinski , K. Deoskar , A. Desai , P. Desiati , K. D. de Vries , G. de Wasseige , T. DeYoung , A. Diaz , J. C. Díaz-Vélez , M. Dittmer , H. Dujmovic , M. A. DuVernois , T. Ehrhardt , P. Eller , R. Engel , H. Erpenbeck , J. Evans , P. A. Evenson , K. L. Fan , A. R. Fazely , A. Fedynitch , N. Feigl , S. Fiedlschuster , A. T. Fienberg , C. Finley , L. Fischer , D. Fox , A. Franckowiak , E. Friedman , A. Fritz , P. Fürst , T. K. Gaisser , J. Gallagher , E. Ganster , A. Garcia , S. Garrappa , L. Gerhardt , A. Ghadimi , C. Glaser , T. Glauch , T. Glüsenkamp , N. Goehlke , J. G. Gonzalez , S. Goswami , D. Grant , S. J. Gray , T. Grégoire , S. Griffin , S. Griswold , C. Günther , P. Gutjahr , C. Haack , A. Hallgren , R. Halliday , L. Halve , F. Halzen , H. Hamdaoui , M. Ha Minh , K. Hanson , J. Hardin , A. A. Harnisch , P. Hatch , A. Haungs , K. Helbing , J. Hellrung , F. Henningsen , L. Heuermann , S. Hickford , A. Hidvegi , C. Hill , G. C. Hill , K. D. Hoffman , K. Hoshina , W. Hou , T. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , K. Hymon , S. In , N. Iovine , A. Ishihara , M. Jansson , G. S. Japaridze , M. Jeong , M. Jin , B. J. P. Jones , D. Kang , W. Kang , X. Kang , A. Kappes , D. Kappesser , L. Kardum , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , J. L. Kelley , A. Kheirandish , K. Kin , J. Kiryluk , S. R. Klein , A. Kochocki , R. Koirala , H. Kolanoski , T. Kontrimas , L. Köpke , C. Kopper , D. J. Koskinen , P. Koundal , M. Kovacevich , M. Kowalski , T. Kozynets , K. Kruiswijk , E. Krupczak , A. Kumar , E. Kun , N. Kurahashi , N. Lad , C. Lagunas Gualda , M. Lamoureux , M. J. Larson , F. Lauber , J. P. Lazar , J. W. Lee , K. Leonard DeHolton , A. Leszczyńska , M. Lincetto , Q. R. Liu , M. Liubarska , E. Lohfink , C. Love , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , A. Ludwig , W. Luszczak , Y. Lyu , W. Y. Ma , J. Madsen , K. B. M. Mahn , Y. Makino , S. Mancina , W. Marie Sainte , I. C. Mariş , S. Marka , Z. Marka , M. Marsee , I. Martinez-Soler , R. Maruyama , F. Mayhew , T. McElroy , F. McNally , J. V. Mead , K. Meagher , S. Mechbal , A. Medina , M. Meier , S. Meighen-Berger , Y. Merckx , L. Merten , J. Micallef , D. Mockler , T. Montaruli , R. W. Moore , Y. Morii , R. Morse , M. Moulai , T. Mukherjee , R. Naab , R. Nagai , U. Naumann , A. Nayerhoda , J. Necker , M. Neumann , H. Niederhausen , M. U. Nisa , A. Noell , S. C. Nowicki , A. Obertacke Pollmann , M. Oehler , B. Oeyen , A. Olivas , R. Orsoe , J. Osborn , E. O'Sullivan , H. Pandya , D. V. Pankova , N. Park , G. K. Parker , E. N. Paudel , L. Paul , C. Pérez de los Heros , J. Peterson , S. Philippen , S. Pieper , A. Pizzuto , M. Plum , Y. Popovych , A. Porcelli , M. Prado Rodriguez , B. Pries , R. Procter-Murphy , G. T. Przybylski , C. Raab , J. Rack-Helleis , M. Rameez , K. Rawlins , Z. Rechav , A. Rehman , P. Reichherzer , G. Renzi , E. Resconi , S. Reusch , W. Rhode , M. Richman , B. Riedel , E. J. Roberts , S. Robertson , S. Rodan , G. Roellinghoff , M. Rongen , C. Rott , T. Ruhe , L. Ruohan , D. Ryckbosch , D. Rysewyk Cantu , S. Athanasiadou , I. Safa , J. Saffer , D. Salazar-Gallegos , P. Sampathkumar , S. E. Sanchez Herrera , A. Sandrock , M. Santander , S. Sarkar , S. Sarkar , J. Savelberg , P. Savina , M. Schaufel , H. Schieler , S. Schindler , B. Schlueter , T. Schmidt , J. Schneider , F. G. Schröder , L. Schumacher , G. Schwefer , S. Sclafani , D. Seckel , S. Seunarine , A. Sharma , S. Shefali , N. Shimizu , M. Silva , B. Skrzypek , B. Smithers , R. Snihur , J. Soedingrekso , A. Søgaard , D. Soldin , C. Spannfellner , G. M. Spiczak , C. Spiering , M. Stamatikos , T. Stanev , R. Stein , T. Stezelberger , T. Stürwald , T. Stuttard , G. W. Sullivan , I. Taboada , S. Ter-Antonyan , W. G. Thompson , J. Thwaites , S. Tilav , K. Tollefson , C. Tönnis , S. Toscano , D. Tosi , A. Trettin , C. F. Tung , R. Turcotte , J. P. Twagirayezu , B. Ty , M. A. Unland Elorrieta , K. Upshaw , N. Valtonen-Mattila , J. Vandenbroucke , N. van Eijndhoven , D. Vannerom , J. van Santen , J. Vara , J. Veitch-Michaelis , S. Verpoest , D. Veske , C. Walck , T. B. Watson , C. Weaver , P. Weigel , A. Weindl , J. Weldert , C. Wendt , J. Werthebach , M. Weyrauch , N. Whitehorn , C. H. Wiebusch , N. Willey , D. R. Williams , M. Wolf , G. Wrede , J. Wulff , D. L. Xu , X. W. Xu , J. P. Yanez , E. Yildizci , S. Yoshida , S. Yu , T. Yuan , Z. Zhang , P. Zhelnin

Search for neutrino signals correlated with LHAASO diffuse Galactic emission

The diffuse Galactic $\gamma$-ray emission originates from the interactions between cosmic rays and the interstellar medium or radiation fields within our Galaxy, where the production of neutrinos is also anticipated. Recently, the Large…

High Energy Astrophysical Phenomena · Physics 2025-01-28 Wenlian Li , Tian-Qi Huang , Donglian Xu , Huihai He

Do high energy astrophysical neutrinos trace star formation?

The IceCube Neutrino Observatory has provided the first map of the high energy (~ 0.01 -- 1 PeV) sky in neutrinos. Since neutrinos propagate undeflected, their arrival direction is an important identifier for sources of high energy particle…

High Energy Astrophysical Phenomena · Physics 2015-12-23 Kimberly Emig , Cecilia Lunardini , Rogier Windhorst

Expectations for high energy diffuse galactic neutrinos for different cosmic ray distributions

The interaction of cosmic rays with the gas contained in our Galaxy is a guaranteed source of diffuse high energy neutrinos. We provide expectations for this component by considering different assumptions for the cosmic ray distribution in…

High Energy Astrophysical Phenomena · Physics 2016-11-09 G. Pagliaroli , C. Evoli , F. L. Villante

IceCube Search for Galactic Neutrino Sources based on HAWC Observations of the Galactic Plane

We present a search in IceCube data for neutrino emission from Galactic TeV gamma-ray sources detected by the HAWC gamma-ray observatory. HAWC serves as the excellent instrument to complement IceCube with its energy range extending to very…

High Energy Astrophysical Phenomena · Physics 2019-08-26 Ali Kheirandish , Joshua Wood

Exploring the Universe with Very High Energy Neutrinos

With the discovery of a high-energy neutrino flux in the 0.1 PeV to PeV range from beyond the Earth's atmosphere with the IceCube detector, neutrino astronomy has achieved a major breakthrough in the exploration of the high-energy universe.…

High Energy Astrophysical Phenomena · Physics 2019-08-13 A. Kappes

Gamma-rays and Neutrinos from Giant Molecular Cloud Populations in the Galactic Plane

The recent IceCube detection of significant neutrino flux from the inner Galactic plane has provided us valuable insights on the spectrum of cosmic rays in our Galaxy. This flux can be produced either by a population of Galactic point…

High Energy Astrophysical Phenomena · Physics 2024-06-04 Abhijit Roy , Jagdish C. Joshi , Martina Cardillo , Prantik Sarmah , Ritabrata Sarkar , Sovan Chakraborty

Recent IceCube Measurements Using High Energy Neutrinos

The IceCube Neutrino Observatory, located at the geographic South Pole, is a Cherenkov detector that continuously monitors a cubic kilometer of instrumented glacial ice for neutrino interactions in the sub-TeV to EeV energy range. Its…

High Energy Astrophysical Phenomena · Physics 2019-10-04 Hans Niederhausen

Evidence for neutrino emission from the nearby active galaxy NGC 1068

We report three searches for high energy neutrino emission from astrophysical objects using data recorded with IceCube between 2011 and 2020. Improvements over previous work include new neutrino reconstruction and data calibration methods.…

High Energy Astrophysical Phenomena · Physics 2024-02-12 IceCube Collaboration , R. Abbasi , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , J. M. Alameddine , C. Alispach , A. A. Alves , N. M. Amin , K. Andeen , T. Anderson , G. Anton , C. Argüelles , Y. Ashida , S. Axani , X. Bai , A. Balagopal V. , A. Barbano , S. W. Barwick , B. Bastian , V. Basu , S. Baur , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , C. Bellenghi , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , M. Boddenberg , F. Bontempo , J. Borowka , S. Böser , O. Botner , J. Böttcher , E. Bourbeau , F. Bradascio , J. Braun , B. Brinson , S. Bron , J. Brostean-Kaiser , S. Browne , A. Burgman , R. T. Burley , R. S. Busse , M. A. Campana , E. G. Carnie-Bronca , C. Chen , Z. Chen , D. Chirkin , K. Choi , B. A. Clark , K. Clark , L. Classen , A. Coleman , G. H. Collin , J. M. Conrad , P. Coppin , P. Correa , D. F. Cowen , R. Cross , C. Dappen , P. Dave , C. De Clercq , J. J. DeLaunay , D. Delgado López , H. Dembinski , K. Deoskar , A. Desai , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , A. Diaz , J. C. Díaz-Vélez , M. Dittmer , H. Dujmovic , M. Dunkman , M. A. DuVernois , E. Dvorak , T. Ehrhardt , P. Eller , R. Engel , H. Erpenbeck , J. Evans , P. A. Evenson , K. L. Fan , A. R. Fazely , A. Fedynitch , N. Feigl , S. Fiedlschuster , A. T. Fienberg , K. Filimonov , C. Finley , L. Fischer , D. Fox , A. Franckowiak , E. Friedman , A. Fritz , P. Fürst , T. K. Gaisser , J. Gallagher , E. Ganster , A. Garcia , S. Garrappa , L. Gerhardt , A. Ghadimi , C. Glaser , T. Glauch , T. Glüsenkamp , A. Goldschmidt , J. G. Gonzalez , S. Goswami , D. Grant , T. Grégoire , S. Griswold , C. Günther , P. Gutjahr , C. Haack , A. Hallgren , R. Halliday , L. Halve , F. Halzen , M. Ha Minh , K. Hanson , J. Hardin , A. A. Harnisch , A. Haungs , D. Hebecker , K. Helbing , F. Henningsen , E. C. Hettinger , S. Hickford , J. Hignight , C. Hill , G. C. Hill , K. D. Hoffman , R. Hoffmann , B. Hokanson-Fasig , K. Hoshina , F. Huang , M. Huber , T. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , K. Hymon , S. In , N. Iovine , A. Ishihara , M. Jansson , G. S. Japaridze , M. Jeong , M. Jin , B. J. P. Jones , D. Kang , W. Kang , X. Kang , A. Kappes , D. Kappesser , L. Kardum , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , M. Kellermann , J. L. Kelley , A. Kheirandish , K. Kin , T. Kintscher , J. Kiryluk , S. R. Klein , R. Koirala , H. Kolanoski , T. Kontrimas , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , P. Koundal , M. Kovacevich , M. Kowalski , T. Kozynets , E. Kun , N. Kurahashi , N. Lad , C. Lagunas Gualda , J. L. Lanfranchi , M. J. Larson , F. Lauber , J. P. Lazar , J. W. Lee , K. Leonard , A. Leszczyńska , Y. Li , M. Lincetto , Q. R. Liu , M. Liubarska , E. Lohfink , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , A. Ludwig , W. Luszczak , Y. Lyu , W. Y. Ma , J. Madsen , K. B. M. Mahn , Y. Makino , S. Mancina , I. C. Mariş , I. Martinez-Soler , R. Maruyama , K. Mase , T. McElroy , F. McNally , J. V. Mead , K. Meagher , S. Mechbal , A. Medina , M. Meier , S. Meighen-Berger , J. Micallef , D. Mockler , T. Montaruli , R. W. Moore , R. Morse , M. Moulai , R. Naab , R. Nagai , R. Nahnhauer , U. Naumann , J. Necker , L. V. Nguyên , H. Niederhausen , M. U. Nisa , S. C. Nowicki , D. Nygren , A. Obertacke Pollmann , M. Oehler , B. Oeyen , A. Olivas , E. O'Sullivan , H. Pandya , D. V. Pankova , N. Park , G. K. Parker , E. N. Paudel , L. Paul , C. Pérez de los Heros , L. Peters , J. Peterson , S. Philippen , S. Pieper , M. Pittermann , A. Pizzuto , M. Plum , Y. Popovych , A. Porcelli , M. Prado Rodriguez , P. B. Price , B. Pries , G. T. Przybylski , C. Raab , J. Rack-Helleis , A. Raissi , M. Rameez , K. Rawlins , I. C. Rea , A. Rehman , P. Reichherzer , R. Reimann , G. Renzi , E. Resconi , S. Reusch , W. Rhode , M. Richman , B. Riedel , E. J. Roberts , S. Robertson , G. Roellinghoff , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk Cantu , I. Safa , J. Saffer , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , M. Santander , S. Sarkar , S. Sarkar , K. Satalecka , M. Schaufel , H. Schieler , S. Schindler , T. Schmidt , A. Schneider , J. Schneider , F. G. Schröder , L. Schumacher , G. Schwefer , S. Sclafani , D. Seckel , S. Seunarine , A. Sharma , S. Shefali , M. Silva , B. Skrzypek , B. Smithers , R. Snihur , J. Soedingrekso , D. Soldin , C. Spannfellner , G. M. Spiczak , C. Spiering , J. Stachurska , M. Stamatikos , T. Stanev , R. Stein , J. Stettner , A. Steuer , T. Stezelberger , R. Stokstad , T. Stürwald , T. Stuttard , G. W. Sullivan , I. Taboada , S. Ter-Antonyan , S. Tilav , F. Tischbein , K. Tollefson , C. Tönnis , S. Toscano , D. Tosi , A. Trettin , M. Tselengidou , C. F. Tung , A. Turcati , R. Turcotte , C. F. Turley , J. P. Twagirayezu , B. Ty , M. A. Unland Elorrieta , N. Valtonen-Mattila , J. Vandenbroucke , N. van Eijndhoven , D. Vannerom , J. van Santen , S. Verpoest , C. Walck , T. B. Watson , C. Weaver , P. Weigel , A. Weindl , M. J. Weiss , J. Weldert , C. Wendt , J. Werthebach , M. Weyrauch , N. Whitehorn , C. H. Wiebusch , D. R. Williams , M. Wolf , K. Woschnagg , G. Wrede , J. Wulff , X. W. Xu , J. P. Yanez , S. Yoshida , S. Yu , T. Yuan , Z. Zhang , P. Zhelnin

Evidence for neutrino emission from X-ray Bright Seyfert Galaxies in the Southern Hemisphere using Enhanced Starting Track Events with IceCube

IceCube recently reported the observation of TeV neutrinos from the nearby Seyfert galaxy NGC~1068, and the corresponding neutrino flux is significantly higher than the upper limit implied by observations of GeV-TeV gamma rays. This…

High Energy Astrophysical Phenomena · Physics 2026-02-12 The IceCube Collaboration

Can FSRQs produce the IceCube detected diffuse neutrino emission?

IceCube has reported the detection of a diffuse TeV-PeV neutrino emission, for which the flat spectrum radio quasars (FSRQs) have been proposed to be the candidate sources. Here we assume that the neutrino flux from FSRQs is proportional to…

High Energy Astrophysical Phenomena · Physics 2016-02-01 Bin Wang , Zhuo Li

Problems and Prospects from a Flood of Extragalactic TeV Neutrinos in IceCube

The steep spectrum of neutrinos measured by IceCube extending from >1 PeV down to ~10 TeV has an energy flux now encroaching on the Fermi isotropic GeV background. We examine several implications starting from source energetics requirements…

High Energy Astrophysical Phenomena · Physics 2015-11-06 Matthew D. Kistler

Galactic and Extragalactic Analysis of the Astrophysical Muon Neutrino Flux with 12.3 years of IceCube Track Data

The Ice Cube Neutrino Observatory has been measuring an isotropic astrophysical neutrino flux in multiple detection channels for almost a decade. Galactic diffuse emission, which arises from the interactions between cosmic rays and the…

High Energy Astrophysical Phenomena · Physics 2023-08-17 Philipp Fürst

High-Energy Neutrino Astronomy: where do we stand, where do we go?

With the identification of a diffuse flux of astrophysical ("cosmic") neutrinos in the TeV-PeV energy range, IceCube has opened a new window to the Universe. However, the corresponding cosmic landscape is still uncharted: so far, the…

High Energy Astrophysical Phenomena · Physics 2018-08-01 Christian Spiering