Search results for " Elementary particles"

showing 10 items of 18 documents

First search for extremely high energy cosmogenic neutrinos with the IceCube Neutrino Observatory.

2010

We report on the results of the search for extremely-high energy (EHE) neutrinos with energies above $10^7$ GeV obtained with the partially ($\sim$30%) constructed IceCube in 2007. From the absence of signal events in the sample of 242.1 days of effective livetime, we derive a 90% C.L. model independent differential upper limit based on the number of signal events per energy decade at $E^2 \phi_{\nu_e+\nu_\mu+\nu_\tau}\simeq 1.4 \times 10^{-6}$ GeV cm$^{-2}$ sec$^{-1}$ sr$^{-1}$ for neutrinos in the energy range from $3\times10^7$ to $3\times10^9$ GeV.

Nuclear and High Energy Physics[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]Cosmology and Nongalactic Astrophysics (astro-ph.CO)[SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]Astrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesCosmic rayElementary particleAstrophysicsAetiology screening and detection [ONCOL 5]01 natural sciencesIceCube Neutrino Observatory[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO]cosmic raysSpectrummuon0103 physical sciencesNeutrinoddc:530010306 general physicsGeneralLiterature_REFERENCE(e.g.dictionariesencyclopediasglossaries)PhysicsHigh Energy Astrophysical Phenomena (astro-ph.HE)Muon010308 nuclear & particles physics[SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]High Energy Physics::Phenomenologypionand other elementary particlesCosmic-RaysMassless particleNeutrino detectorHigh Energy Physics::ExperimentNeutrinoAstrophysics - High Energy Astrophysical PhenomenaLeptonAstrophysics - Cosmology and Nongalactic Astrophysics
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Lepto-producción de pares v-v y el número de Generaciones

1983

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Estudio del calorimetro electromagnético forward de Delphi : Aplicación a la búsqueda del Boson de Higgs HO en LEP-I

1986

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Contribuciones piónicas y de quarks a la estructura electromagnética de los núcleos

1989

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Neutrins de Majorana, sector de Higgs, violació de CP, no conservació del número leptònic i eixes coses

1986

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Cálculos perturbativos en modelos de bariones con invariancia quiral

1984

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Análisis de las colisiones elásticas entre nucleos de la capa S-d a energías próximas a la barrera de Coulomb

1987

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Estudio y test de detectores silicio para la reconstrucción de trazas en la zona de bajo ángulo del detector de atlas de LHC del CERN

1999

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Extensión de CHPT a energías superiores

1998

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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Análisis de la estructura de corrientes Cargadas y Neutras a partir de procesos Nucleares Semileptonicos

1983

Physics Elementary Particles and High Energy:FÍSICA [UNESCO]UNESCO::FÍSICA
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