Extremely energetic cosmic neutrinos and their impact on particle physics and cosmology

Ringwald, Andreas

doi:10.1016/j.nuclphysbps.2004.10.024

Nuclear Physics B - Proceedings Supplements

2004

DOI: 10.1016/j.nuclphysbps.2004.10.024

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Extremely energetic cosmic neutrinos and their impact on particle physics and cosmology

Andreas Ringwald

Abstract: Existing and planned neutrino detectors, sensitive in the energy regime from 10 17 eV to 10 23 eV, offer opportunities for particle physics and cosmology. In this contribution, we discuss particularly the possibilities to infer information about physics beyond the Standard Model at center-of-mass energies beyond the reach of the Large Hadron Collider, as well as to detect big bang relic neutrinos via absorption dips in the observed neutrino spectra.

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Cited by 2 publications

References 93 publications

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Weak interactions of supersymmetric staus at high energies

et al. 2006

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Neutrino telescopes may have the potential to detect the quasi-stable staus predicted by some supersymmetric models. Detection depends on stau electromagnetic energy loss and weak interactions. We present results for the weak interactions contribution to the energy loss of high energy staus as they pass through rock. We show that the neutral current weak interaction contribution is much smaller than photonuclear energy loss, however, the charged current contribution may become dominant process above an energy of ∼ 10 9 GeV. As a consequence, the stau range may be reduced above ∼ 10 9 GeV as compared to the range neglecting weak interactions. We contrast this with the case of tau range, which is barely changed with the inclusion of charged current interactions.

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Weak interactions of supersymmetric staus at high energies

et al. 2006

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Cosmogenic neutrinos and quasistable supersymmetric particle production

2007

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We study the signal for the detection of quasistable supersymmetric particle produced in interactions of cosmogenic neutrinos. We consider energy loss of high-energy staus due to photonuclear and weak interactions. We show that there are optimal nadir angles for which the stau signal is a factor of several hundred larger than muons. We discuss how one could potentially eliminate muon background by considering the energy loss of muons in the detector. We also show results for the showers produced by weak interactions of staus that reach the detector.

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Extremely energetic cosmic neutrinos and their impact on particle physics and cosmology

Cited by 2 publications

References 93 publications

Weak interactions of supersymmetric staus at high energies

Weak interactions of supersymmetric staus at high energies

Cosmogenic neutrinos and quasistable supersymmetric particle production

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