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EUSO: using high energy cosmic rays and neutrinos as messengers from the unknown universe
fluorescence cosmic rays neutrinos extensive air showers
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2015/9/16
Exploiting the earth atmosphere as a giant detector for the incoming extraterrestrial fl ux of high energy cosmic rays
and cosmic neutrinos, the mission «EUSO-Extreme Universe Space Observatory&...
A Search for UHE Tau Neutrinos with IceCube
IceCube neutrino telescope tau neutrinos double bangs
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2012/2/23
The first dedicated search for ultra-high energy (UHE) tau neutrinos of astrophysical origin was performed using the IceCube detector in its 22-string configuration. The search also had sensitivity to...
Constraining dynamical dark energy with a divergence-free parametrization in the presence of spatial curvature and massive neutrinos
Constraining dynamical dark energy divergence-free parametrization presence spatial curvature massive neutrinos
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2012/2/21
In this paper, we report the results of constraining the dynamical dark energy with a divergence-free parameterization, $w(z) = w_{0} + w_{a}(\frac{\ln(2+z)}{1+z}-\ln2)$, in the presence of spatial cu...
Indirect Dark Matter Detection in the Light of Sterile Neutrinos
Indirect Dark Matter Detection Light Sterile Neutrinos
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2012/2/23
The recent global fit of short baseline neutrino oscillation data favors the presence of one (or more) sterile neutrino state which leads to new mass splitting \Delta m^2 ~1 eV^2. We consider the effe...
High Energy Neutrinos from Gamma Ray Bursts
High Energy Neutrinos Gamma Ray Bursts
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2011/10/13
In the internal shock model of gamma ray bursts ultrahigh energy pions, kaons and neutrons are likely to be produced in the interactions of shock accelerated relativistic protons with low energy photo...
Constraints on the origin of ultra-high-energy cosmic rays from cosmogenic neutrinos and photons
Astroparticle physics Acceleration of particles Abundances Neutrinos Gamma-rays Relativistic processes
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2011/10/11
We study the production of cosmogenic neutrinos and photons during the extragalactic propagation of ultra-high-energy cosmic rays (UHECRs). For a wide range of models in cosmological evolution of sour...
Supernovae, Neutrinos, and the Chirality of the Amino Acids
Amino acids, Chirality, Origin of life, Molecular clouds, Supernova neutrinos
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2011/9/5
A mechanism for creating an enantioenrichment in the amino acids, the building blocks of the proteins, that involves global selection of one handedness by interactions between the amino acids and neut...
Neutrinos and Their Charged Cousins: Are They Secret Sharers?
Neutrinos Charged Cousins Secret Sharers
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2011/9/14
“Neutrinos they are very small. They have no charge and have no mass and do not interact at all.” So wrote the renowned author John Updike, erring twice in one couplet. Indeed, neutrinos are the most ...
Gravitational interactions between fast neutrinos and the formation of bound rotational states
Gravitational neutrinos Circular states
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2011/8/31
The gravitational forces exerted between fast neutrinos at short distances are examined using Newton’s gravitational law, special relativity, and the equivalence principle. It is found that the magnit...
Model Independent Constraints on Solar Neutrinos
Model Independent Constraints Solar Neutrinos
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2011/4/7
Model Independent Constraints on Solar Neutrinos 。
ISW-LSS cross-correlation in coupled Dark Energy models with massive neutrinos
cosmic microwave background cosmology: miscellaneous cosmology observations cosmology: theory cosmology: large-scale structure of universe
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2010/11/9
We provide an exhaustive analysis of the Integrated Sach–Wolfe effect (ISW) in the context of coupled Dark Energy cosmologies where a component of massive neutrinos is also present. We focus on the ef...
Directional correlations between UHECRs and neutrinos observed with IceCube
Directional correlations neutrinos observed
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2010/11/10
Ultra-high energy cosmic rays (UHECR) above an energy threshold of tens of EeV might undergo only small deflections due to interstellar magnetic fields. Their arrival directions would then point to re...
High-energy atmospheric neutrinos
High Energy Astrophysical Phenomena (astro-ph.HE) High Energy Physics - Experiment (hep-ex)
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2010/12/29
High-energy neutrinos, arising from decays of mesons that were produced through the cosmic rays collisions with air nuclei, form unavoidable background noise in the astrophysical neutrino detection pr...
RENO: An Experiment for Neutrino Oscillation Parameter theta_13 Using Reactor Neutrinos at Yonggwang
Neutrino Oscillation Reactor Neutrinos
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2010/3/16
The RENO experiment is a short baseline neutrino experiment in Korea aiming to measure the neutrino mixing angle theta_13 or set limit to sin^2(2 theta_13) less than 0.02. This document describes phys...
Observation of Geo-Neutrinos
Geo-neutrino neutrino detector anti-neutrinos from reactors
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2010/3/16
Geo-neutrinos, electron anti-neutrinos produced in beta decays of naturally occurring radioactive isotopes in the Earth, are a unique direct probe of our planet's interior. We report the first observa...