Academic literature on the topic 'Radiative Emission of Neutrino Pair'

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Journal articles on the topic "Radiative Emission of Neutrino Pair"

1

Jentschura, Ulrich D., and István Nándori. "Neutrino Pair Cerenkov Radiation for Tachyonic Neutrinos." Advances in High Energy Physics 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/9850312.

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The emission of a charged light lepton pair by a superluminal neutrino has been identified as a major factor in the energy loss of highly energetic neutrinos. The observation of PeV neutrinos by IceCube implies their stability against lepton pair Cerenkov radiation. Under the assumption of a Lorentz-violating dispersion relation for highly energetic superluminal neutrinos, one may thus constrain the Lorentz-violating parameters. A kinematically different situation arises when one assumes a Lorentz-covariant, space-like dispersion relation for hypothetical tachyonic neutrinos, as an alternative
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Yoshimura, M., N. Sasao, and M. Tanaka. "Radiative emission of neutrino pair free of quantum electrodynamic backgrounds." Progress of Theoretical and Experimental Physics 2015, no. 5 (2015): 53B06–0. http://dx.doi.org/10.1093/ptep/ptv064.

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Yoshimura, M., A. Fukumi, N. Sasao, and T. Yamaguchi. "Parity Violating Observables in Radiative Neutrino Pair Emission from Metastable Atoms." Progress of Theoretical Physics 123, no. 3 (2010): 523–32. http://dx.doi.org/10.1143/ptp.123.523.

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Dinh, D. N., and S. T. Petcov. "Radiative emission of neutrino pairs in atoms and light sterile neutrinos." Physics Letters B 742 (March 2015): 107–16. http://dx.doi.org/10.1016/j.physletb.2015.01.020.

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Jentschura, U. D., I. Nándori, and G. Somogyi. "Lorentz breaking and SU(2)L × U(1)Y gauge invariance for neutrinos." International Journal of Modern Physics E 28, no. 09 (2019): 1950072. http://dx.doi.org/10.1142/s0218301319500721.

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Conceivable Lorentz-violating effects in the neutrino sector remain a research area of great general interest, as they touch upon the very foundations on which the Standard Model and our general understanding of fundamental interactions are laid. Here, we investigate the relation of Lorentz violation in the neutrino sector in light of the fact that neutrinos and the corresponding left-handed charged leptons form [Formula: see text] doublets under the electroweak gauge group. Lorentz-violating effects thus cannot be fully separated from questions related to gauge invariance. The model dependenc
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Drewes, Marco, Jamie McDonald, Loïc Sablon, and Edoardo Vitagliano. "Neutrino Emissivities as a Probe of the Internal Magnetic Fields of White Dwarfs." Astrophysical Journal 934, no. 2 (2022): 99. http://dx.doi.org/10.3847/1538-4357/ac7874.

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Abstract The evolution of white dwarfs (WDs) depends crucially on thermal processes. The plasma in their core can produce neutrinos that escape from the star, thus contributing to the energy loss. While in the absence of a magnetic field the main cooling mechanism is plasmon decay at high temperature and photon surface emission at low temperature, a large magnetic field in the core hiding beneath the surface even of ordinary WDs, and undetectable to spectropolarimetric measurements, could potentially leave an imprint in the cooling. In this paper, we revisit the contribution to WD cooling stem
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Crinquand, B., B. Cerutti, and G. Dubus. "Kinetic modeling of the electromagnetic precursor from an axisymmetric binary pulsar coalescence." Astronomy & Astrophysics 622 (February 2019): A161. http://dx.doi.org/10.1051/0004-6361/201834610.

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Context. The recent detection of gravitational waves associated with a binary neutron star merger revives interest in interacting pulsar magnetospheres. Current models predict that a significant amount of magnetic energy should be released prior to the merger, leading to electromagnetic precursor emission. Aims. In this paper, we revisit this problem in the light of the recent progress in kinetic modeling of pulsar magnetospheres. We limit our work to the case of aligned magnetic moments and rotation axes, and thus neglect the orbital motion. Methods. We perform global two-dimensional axisymme
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Florou, Ioulia, Maria Petropoulou, and Apostolos Mastichiadis. "A marginally fast-cooling proton–synchrotron model for prompt GRBs." Monthly Notices of the Royal Astronomical Society 505, no. 1 (2021): 1367–81. http://dx.doi.org/10.1093/mnras/stab1285.

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ABSTRACT A small fraction of gamma-ray bursts (GRBs) with available data down to soft X-rays (∼0.5 keV) has been shown to feature a spectral break in the low-energy part (∼1–10 keV) of their prompt emission spectrum. The overall spectral shape is consistent with optically thin synchrotron emission from a population of particles that have cooled on a time-scale comparable to the dynamic time to energies that are still much higher than their rest-mass energy (marginally fast cooling regime). We consider a hadronic scenario and investigate if the prompt emission of these GRBs can originate from r
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Hirotani, K. "Gamma-ray Emission from Pulsar Outer Magnetospheres." Symposium - International Astronomical Union 195 (2000): 171–80. http://dx.doi.org/10.1017/s0074180900162904.

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We study the γ-ray emission from an outer-gap accelerator around a rotating neutron star. Assuming the existence of global currents in the magnetosphere, the charge depletion causes a large electric field along the magnetic field lines. This electric field accelerates migratory electrons and positrons which radiate gamma-rays via curvature radiation. These gamma-rays, in turn, produce yet more radiating particles by colliding with the X-rays, leading to a pair-production cascade. Imposing a gap-closure condition that a single pair produces one pair in the gap, on average, we explicitly solve t
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Itoh, Naoki. "Neutrino Emission Processes in the Weinberg-Salam Theory." International Astronomical Union Colloquium 108 (1988): 434–35. http://dx.doi.org/10.1017/s025292110009429x.

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The neutrino emission processes play essential roles in stellar evolution as expemplified by the observations of the neutrinos from SN 1987a by the KAMIOKANDE-II and IMB experiments. Recently a very extensive study of the various neutrino emission processes based on the Weinberg-Salam theory has been completed by the present author and his collaborators. The neutrino emission processes calculated by the author’s group include pair, photo-, plasma, and bremsstrahlung neutrino processes. The neutrino energy loss rates due to pair, photo-, and plasma processes in the framework of the Weinberg-Sal
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