EXTRAGALACTIC STAR-FORMING GALAXIES WITH HYPERNOVAE AND SUPERNOVAE AS HIGH-ENERGY NEUTRINO AND GAMMA-RAY SOURCES: THE CASE OF THE 10 TeV NEUTRINO DATA

Senno, Nicholas; Mészáros, P.; Murase, Kohta; Baerwald, Philipp; Rees, M. J.

doi:10.1088/0004-637x/806/1/24

Cited by 78 publications

(81 citation statements)

References 79 publications

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“…4 indicates the the optimistic upper limit can exceed the IceCube data in principle. The spectral shape is suggestive as it is globally soft for 10 TeV E ν 5 PeV, but avoids the constraints set by the Fermi extragalactic gamma-ray background measurement in the sub-TeV range [93][94][95].…”

Section: Diffuse Neutrinos From Low-luminosity Grbs and Hypernovaementioning

confidence: 99%

Choked jets and low-luminosity gamma-ray bursts as hidden neutrino sources

2016

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We consider gamma-ray burst (GRB) jets that are choked by extended material as sources of high-energy cosmic neutrinos. We take into account the jet propagation physics both inside the progenitor star and the surrounding dense medium. Radiation constraints, which are relevant for high-energy neutrino production are considered as well. Efficient shock acceleration of cosmic rays is possible for sufficiently low-power jets and/or jets buried in a dense, extended wind or outer envelope. Such conditions also favor GRB jets to become stalled, and the necessary conditions for stalling are explicitly derived. Such choked jets may explain transrelativistic supernovae (SNe) and low-luminosity (LL) GRBs, giving a unified picture of GRBs and GRB-SNe. Focusing on this unified scenario for GRBs, we calculate the resulting neutrino spectra from choked jets including the relevant microphysical processes such as multipion production in pp and pγ interactions, as well as the energy losses of mesons and muons. We obtain diffuse neutrino spectra using the latest results for the luminosity function of LL GRBs. Although uncertainties are large, we confirm that LL GRBs can potentially give a significant contribution to the diffuse neutrino flux. Our results are consistent with the present IceCube data and do not violate the stacking limits on classical highluminosity GRBs. We find that high-energy neutrino production in choked jets is dominated by pγ interactions. These sources are dark in GeV-TeV gamma-rays, and do not contribute significantly to the Fermi diffuse gamma-ray background. Assuming stalled jets can launch a quasi-spherical shock in the dense medium, "precursor" TeV neutrinos emerging prior to the shock breakout gamma-ray emission can be used as smoking gun evidence for a choked jet model for LL GRBs. Our results strengthen the relevance of wide field-of-view sky monitors with better sensitivities in the 1−100 keV range.PACS numbers: 95.85. Ry, 97.60.Bw, 98.70.Rz

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Section: Diffuse Neutrinos From Low-luminosity Grbs and Hypernovaementioning

confidence: 99%

Choked jets and low-luminosity gamma-ray bursts as hidden neutrino sources

2016

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“…Clusters and groups of galaxies have also been investigated as potential neutrino sources [40,47], where cosmic rays, generated through large-scale-structure shocks [37,40] or injected by star-forming galaxies [27], interact with the intracluster medium. Since the cluster or group number density decreases as a function of redshift, implying a small value of δ, tomographic constraints are very stringent.…”

Section: H Y S I C a L R E V I E W L E T T E R Smentioning

confidence: 99%

“…Many papers discuss the neutrino emission from one specific source class by adopting a modeldependent approach, for active galactic nuclei (AGNs) [9][10][11][12][13][14][15][16][17][18], star-forming galaxies [19][20][21][22][23][24][25][26][27][28], gamma-ray bursts [29][30][31][32][33][34][35][36], galaxy clusters [37][38][39][40], and dark matter decays [41][42][43][44][45].…”

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confidence: 99%

Tomographic Constraints on High-Energy Neutrinos of Hadronuclear Origin

2015

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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) interactions, a similar flux of gamma-ray photons is expected. For the first time, we employ tomographic constraints to pinpoint the origin of the IceCube neutrino events by analyzing recent measurements of the cross correlation between the distribution of GeV gamma rays, detected by the Fermi satellite, and several galaxy catalogs in different redshift ranges. We find that the corresponding bounds on the neutrino luminosity density are up to 1 order of magnitude tighter than those obtained by using only the spectrum of the gamma-ray background, especially for sources with mild redshift evolution. In particular, our method excludes any hadronuclear source with a spectrum softer than E −2.1 as a main component of the neutrino background, if its evolution is slower than ð1 þ zÞ 3 . Starburst galaxies, if able to accelerate and confine cosmic rays efficiently, satisfy both spectral and tomographic constraints. Introduction.-The discovery of the PeV neutrinos by IceCube [1,2] has launched the era of high-energy neutrino astronomy. The current data set is compatible with a flux in excess with respect to the atmospheric background, with an isotropic allocation of events on the celestial sphere and flavor equipartition [1][2][3][4][5][6]. Because of the current low statistics, the origin of the high-energy IceCube events is not yet known, but an extragalactic and mostly diffuse origin appears to be favored [7,8].High-energy neutrino production from cosmic accelerators has been the subject of a cascade of theoretical studies, especially after the IceCube results were announced [7,8]. Many papers discuss the neutrino emission from one specific source class by adopting a modeldependent approach, for active galactic nuclei (AGNs) [9][10][11][12][13][14][15][16][17][18], star-forming galaxies [19][20][21][22][23][24][25][26][27][28], gamma-ray bursts [29][30][31][32][33][34][35][36], galaxy clusters [37][38][39][40], and dark matter decays [41][42][43][44][45].Alternatively, a more generic approach focuses on the phenomenological aspects of the potential sources. For example, assuming photomeson production (pγ) of neutrinos, Ref.[46] obtained constraints on the source size and magnetic field strength needed to match the IceCube flux. Reference [47] hypothesized that the TeV-PeV neutrinos were generated via hadronuclear interactions (pp) and concluded that the cosmic ray spectrum of the dominant neutrino sources should be harder than E −2.2 . This is because the associated gamma-ray spectrum will extend down to GeV energies, where the flux of the isotropic gamma-ray background (IGRB) measured with the Fermi Large Area Telescope (LAT) [48] cannot be overshot. The connection with sources of ultrahigh-energy cosmic rays has also been considered [49][50][51].

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“…Various extragalactic scenarios have been suggested that might be (partially) responsible for the observed flux of neutrinos. Source candidates include galaxies with intense star formation [28,29,30,31,32,33], cores of active galactic nuclei (AGN) [34,35,36], low-luminosity AGN [37,38], blazars [39,40,41], low-power GRBs [42,43,44], cannonball GRBs [45], intergalactic shocks [46], and active galaxies embedded in structured regions [47,48,29].…”

Section: Pos(icrc2015)022mentioning

confidence: 99%

Multi-Messenger Aspects of Cosmic Neutrinos

Ahlers¹

2016

Proceedings of the 34th International Cosmic Ray Conference — PoS(ICRC2015)

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The recent observation of TeV-PeV neutrinos by IceCube has opened a new window to the highenergy Universe. I will discuss this signal in the context of multi-messenger astronomy. For extragalactic source scenarios the corresponding hadronic gamma-rays are not directly observable due to interactions with the cosmic radiation backgrounds. Nevertheless, the isotropic sub-TeV gamma ray background observed by Fermi-LAT contains indirect information from secondary emission produced in electromagnetic cascades. On the other hand, observation of PeV gamma rays would provide a smoking-gun signal for Galactic emission. Interestingly, the overall energy density of the observed neutrino flux is close to a theoretical limit for neutrino production in ultrahigh energy cosmic ray sources and might indicate a common origin of these phenomena. I will highlight various multi-messenger relations and their implications for neutrino source scenarios.

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EXTRAGALACTIC STAR-FORMING GALAXIES WITH HYPERNOVAE AND SUPERNOVAE AS HIGH-ENERGY NEUTRINO AND GAMMA-RAY SOURCES: THE CASE OF THE 10 TeV NEUTRINO DATA

Cited by 78 publications

References 79 publications

Choked jets and low-luminosity gamma-ray bursts as hidden neutrino sources

Choked jets and low-luminosity gamma-ray bursts as hidden neutrino sources

Tomographic Constraints on High-Energy Neutrinos of Hadronuclear Origin

Multi-Messenger Aspects of Cosmic Neutrinos

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