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Model-dependent estimate on the connection between fast radio bursts and ultra-high energy cosmic rays
High Energy Astrophysical Phenomena · Submitted 19 Dec 2013
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that in the blitzar model and the model of merging binary neutron stars, the huge energy release of each FRB central engine together with the rather high rate of FRBs, the accelerated EeV cosmic rays may contribute significantly to the observed ones.
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The abstract, sentence by sentence
The existence of fast radio bursts (FRBs), a new type of extragalatic transients, has been established recently and quite a few models have been proposed. In this work we discuss the possible connection between the FRB sources and ultra-high energy ($>10^{18}$ eV) cosmic rays. We show that in the blitzar model and the model of merging binary neutron stars, the huge energy release of each FRB central engine together with the rather high rate of FRBs, the accelerated EeV cosmic rays may contribute significantly to the observed ones. In other FRB models including for example the merger of double white dwarfs and the energetic magnetar radio flares, no significant EeV cosmic ray is expected. We also suggest that the mergers of double neutron stars, even if they are irrelevant to FRBs, may play a non-ignorable role in producing EeV cosmic ray protons if supramassive neutron stars were formed in a good fraction of mergers and the merger rate is $\gtrsim 10^{3}~{\rm yr^{-1}~ Gpc^{-3}}$. Such a possibility will be unambiguously tested in the era of gravitational wave astronomy.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The existence of fast radio bursts (FRBs), a new type of extragalatic transients, has been established recently and quite a few models have been proposed. | background 1.00 | 0.04 | 0.02 | asserted 1.00 |
| s1 | In this work we discuss the possible connection between the FRB sources and ultra-high energy ($>10^{18}$ eV) cosmic rays. | contribution 0.98 | 0.55 | 0.06 | hedged possibility 0.92 |
| s2 | We show that in the blitzar model and the model of merging binary neutron stars, the huge energy release of each FRB central engine together with the rather high rate of FRBs, the accelerated EeV cosmic rays may contribute significantly to the observed ones. | result 0.98 | 0.85 | 0.62 | hedged possibility 0.70 |
| s3 | In other FRB models including for example the merger of double white dwarfs and the energetic magnetar radio flares, no significant EeV cosmic ray is expected. | result 1.00 | 0.64 | 0.13 | asserted 0.82 |
| s4 | We also suggest that the mergers of double neutron stars, even if they are irrelevant to FRBs, may play a non-ignorable role in producing EeV cosmic ray protons if supramassive neutron stars were formed in a good fraction of mergers and the merger rate is $\gtrsim 10^{3}~{\rm yr^{-1}~ Gpc^{-3}}$. | result 0.60 | 0.61 | 0.12 | hedged possibility 1.00 |
| s5 | Such a possibility will be unambiguously tested in the era of gravitational wave astronomy. | future work 0.93 | 0.11 | 0.10 | asserted 0.54 |
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Original abstract
The existence of fast radio bursts (FRBs), a new type of extragalatic transients, has been established recently and quite a few models have been proposed. In this work we discuss the possible connection between the FRB sources and ultra-high energy ($>10^{18}$ eV) cosmic rays. We show that in the blitzar model and the model of merging binary neutron stars, the huge energy release of each FRB central engine together with the rather high rate of FRBs, the accelerated EeV cosmic rays may contribute significantly to the observed ones. In other FRB models including for example the merger of double white dwarfs and the energetic magnetar radio flares, no significant EeV cosmic ray is expected. We also suggest that the mergers of double neutron stars, even if they are irrelevant to FRBs, may play a non-ignorable role in producing EeV cosmic ray protons if supramassive neutron stars were formed in a good fraction of mergers and the merger rate is $\gtrsim 10^{3}~{\rm yr^{-1}~ Gpc^{-3}}$. Such a possibility will be unambiguously tested in the era of gravitational wave astronomy.
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What it cites · 4 sentences without a confident label
Cites as support 1 paper
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This is because there are some tentative evidence for the formation of SMNSs in a sizeable fraction of NS-NS mergers and such a kind of long-lived central engine can accelerate the materials ejected during the merger to very high velocities [ref] .
A double neutron star merger origin for the cosmological relativistic fading source PTF11agg? · The model of merging double Neutron Stars · 0.97
Cites as background 4 papers
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Currently quite a few models have been proposed to interpret FRBs, including the mergers of binary neutron stars [ref] , energetic magnetar radio flares [ref] , delayed collapses of supramassive neutron stars (SMNS) to black holes (i.e., the so-called blitzar model [ref] , a highly relevant hypothesis is the possible connection between Gamma-ray Bursts and FRBs [ref] ), mergers of binary white dwarfs [ref] , and flaring stars if FRBs are instead in the Galaxy [ref] .
Hyperflares of SGRs as an engine for millisecond extragalactic radio bursts · Introduction · 0.98
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Currently quite a few models have been proposed to interpret FRBs, including the mergers of binary neutron stars [ref] , energetic magnetar radio flares [ref] , delayed collapses of supramassive neutron stars (SMNS) to black holes (i.e., the so-called blitzar model [ref] , a highly relevant hypothesis is the possible connection between Gamma-ray Bursts and FRBs [ref] ), mergers of binary white dwarfs [ref] , and flaring stars if FRBs are instead in the Galaxy [ref] .
Scenario Machine: fast radio bursts, short gamma-ray burst, dark energy and Laser Interferometer Gravitational-wave Observatory silence · Introduction · 0.98
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Currently quite a few models have been proposed to interpret FRBs, including the mergers of binary neutron stars [ref] , energetic magnetar radio flares [ref] , delayed collapses of supramassive neutron stars (SMNS) to black holes (i.e., the so-called blitzar model [ref] , a highly relevant hypothesis is the possible connection between Gamma-ray Bursts and FRBs [ref] ), mergers of binary white dwarfs [ref] , and flaring stars if FRBs are instead in the Galaxy [ref] .
The birth of black holes: neutron star collapse times, gamma-ray bursts and fast radio bursts · Introduction · 0.98
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