Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle

Z. Fodor, S. Katz, A. Ringwald, H. Tu

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

After a short review of the ultrahigh energy cosmic ray puzzle – the apparent observation of cosmic rays originating from cosmological distances with energies above the expected Greisen-Zatsepin-Kuzmin cutoff 4 × 1019 eV – we consider strongly interacting neutrino scenarios as an especially interesting solution. We show that all features of the ultrahigh energy cosmic ray spectrum from 1017 eV to 1021 eV can be described to originate from a simple power-like injection spectrum of protons, under the assumption that the neutrino-nucleon cross-section is significantly enhanced at center of mass energies above 100 TeV. In such a scenario, the cosmogenic neutrinos produced during the propagation of protons through the cosmic microwave background initiate air showers in the atmosphere, just as the protons. The total air shower spectrum induced by protons and neutrinos shows excellent agreement with the observations. We shortly discuss TeV-scale extensions of the Standard Model which may lead to a realization of a strongly interacting neutrino scenario. We emphasize, however, that such a scenario may even be realized within the standard electroweak model: electroweak instanton/sphaleron induced processes may get strong at ultrahigh energies. Possible tests of strongly interacting neutrino scenarios range from observations at cosmic ray facilities and neutrino telescopes to searches at lepton nucleon scattering experiments.

Original languageEnglish
Title of host publicationThe Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories
PublisherWorld Scientific Publishing Co.
Pages741-761
Number of pages21
Volume1
ISBN (Electronic)9789812704030
ISBN (Print)9789812566676
DOIs
Publication statusPublished - Jan 1 2006

Fingerprint

neutrinos
cosmic rays
interactions
protons
cosmic ray showers
energy
electroweak model
instantons
center of mass
leptons
cut-off
telescopes
injection
microwaves
atmospheres
propagation
cross sections
scattering

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Fodor, Z., Katz, S., Ringwald, A., & Tu, H. (2006). Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle. In The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories (Vol. 1, pp. 741-761). World Scientific Publishing Co.. https://doi.org/10.1142/9789812704030_0044

Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle. / Fodor, Z.; Katz, S.; Ringwald, A.; Tu, H.

The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. Vol. 1 World Scientific Publishing Co., 2006. p. 741-761.

Research output: Chapter in Book/Report/Conference proceedingChapter

Fodor, Z, Katz, S, Ringwald, A & Tu, H 2006, Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle. in The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. vol. 1, World Scientific Publishing Co., pp. 741-761. https://doi.org/10.1142/9789812704030_0044
Fodor Z, Katz S, Ringwald A, Tu H. Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle. In The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. Vol. 1. World Scientific Publishing Co. 2006. p. 741-761 https://doi.org/10.1142/9789812704030_0044
Fodor, Z. ; Katz, S. ; Ringwald, A. ; Tu, H. / Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle. The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories. Vol. 1 World Scientific Publishing Co., 2006. pp. 741-761
@inbook{d0e30f82c37a43c7968000a62b9dbaf2,
title = "Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle",
abstract = "After a short review of the ultrahigh energy cosmic ray puzzle – the apparent observation of cosmic rays originating from cosmological distances with energies above the expected Greisen-Zatsepin-Kuzmin cutoff 4 × 1019 eV – we consider strongly interacting neutrino scenarios as an especially interesting solution. We show that all features of the ultrahigh energy cosmic ray spectrum from 1017 eV to 1021 eV can be described to originate from a simple power-like injection spectrum of protons, under the assumption that the neutrino-nucleon cross-section is significantly enhanced at center of mass energies above 100 TeV. In such a scenario, the cosmogenic neutrinos produced during the propagation of protons through the cosmic microwave background initiate air showers in the atmosphere, just as the protons. The total air shower spectrum induced by protons and neutrinos shows excellent agreement with the observations. We shortly discuss TeV-scale extensions of the Standard Model which may lead to a realization of a strongly interacting neutrino scenario. We emphasize, however, that such a scenario may even be realized within the standard electroweak model: electroweak instanton/sphaleron induced processes may get strong at ultrahigh energies. Possible tests of strongly interacting neutrino scenarios range from observations at cosmic ray facilities and neutrino telescopes to searches at lepton nucleon scattering experiments.",
author = "Z. Fodor and S. Katz and A. Ringwald and H. Tu",
year = "2006",
month = "1",
day = "1",
doi = "10.1142/9789812704030_0044",
language = "English",
isbn = "9789812566676",
volume = "1",
pages = "741--761",
booktitle = "The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories",
publisher = "World Scientific Publishing Co.",

}

TY - CHAP

T1 - Strong neutrino-nucleon interactions at ultrahigh energies as a solution to the GZK puzzle

AU - Fodor, Z.

AU - Katz, S.

AU - Ringwald, A.

AU - Tu, H.

PY - 2006/1/1

Y1 - 2006/1/1

N2 - After a short review of the ultrahigh energy cosmic ray puzzle – the apparent observation of cosmic rays originating from cosmological distances with energies above the expected Greisen-Zatsepin-Kuzmin cutoff 4 × 1019 eV – we consider strongly interacting neutrino scenarios as an especially interesting solution. We show that all features of the ultrahigh energy cosmic ray spectrum from 1017 eV to 1021 eV can be described to originate from a simple power-like injection spectrum of protons, under the assumption that the neutrino-nucleon cross-section is significantly enhanced at center of mass energies above 100 TeV. In such a scenario, the cosmogenic neutrinos produced during the propagation of protons through the cosmic microwave background initiate air showers in the atmosphere, just as the protons. The total air shower spectrum induced by protons and neutrinos shows excellent agreement with the observations. We shortly discuss TeV-scale extensions of the Standard Model which may lead to a realization of a strongly interacting neutrino scenario. We emphasize, however, that such a scenario may even be realized within the standard electroweak model: electroweak instanton/sphaleron induced processes may get strong at ultrahigh energies. Possible tests of strongly interacting neutrino scenarios range from observations at cosmic ray facilities and neutrino telescopes to searches at lepton nucleon scattering experiments.

AB - After a short review of the ultrahigh energy cosmic ray puzzle – the apparent observation of cosmic rays originating from cosmological distances with energies above the expected Greisen-Zatsepin-Kuzmin cutoff 4 × 1019 eV – we consider strongly interacting neutrino scenarios as an especially interesting solution. We show that all features of the ultrahigh energy cosmic ray spectrum from 1017 eV to 1021 eV can be described to originate from a simple power-like injection spectrum of protons, under the assumption that the neutrino-nucleon cross-section is significantly enhanced at center of mass energies above 100 TeV. In such a scenario, the cosmogenic neutrinos produced during the propagation of protons through the cosmic microwave background initiate air showers in the atmosphere, just as the protons. The total air shower spectrum induced by protons and neutrinos shows excellent agreement with the observations. We shortly discuss TeV-scale extensions of the Standard Model which may lead to a realization of a strongly interacting neutrino scenario. We emphasize, however, that such a scenario may even be realized within the standard electroweak model: electroweak instanton/sphaleron induced processes may get strong at ultrahigh energies. Possible tests of strongly interacting neutrino scenarios range from observations at cosmic ray facilities and neutrino telescopes to searches at lepton nucleon scattering experiments.

UR - http://www.scopus.com/inward/record.url?scp=84990018123&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84990018123&partnerID=8YFLogxK

U2 - 10.1142/9789812704030_0044

DO - 10.1142/9789812704030_0044

M3 - Chapter

SN - 9789812566676

VL - 1

SP - 741

EP - 761

BT - The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories

PB - World Scientific Publishing Co.

ER -