101 research outputs found

    The Role of Co-Active Spiritual Coaching in Supporting Responsibility and Accountability in Formation and Supervision

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    The author describes the of the role of co-active spiritual coaching. Personal spiritual renewal is the heart of the program, offering students the chance to reconnect with their deepest spiritual longings and wrestle with challenging questions in a safe, supportice, and resource-filled environment

    Hybrid cosmic ray measurements using the IceAct telescopes in coincidence with the IceCube and IceTop detectors

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    IceAct is a proposed surface array of compact (50 cm diameter) and cost-effective Imaging Air Cherenkov Telescopes installed at the site of the IceCube Neutrino Observatory at the geographic South Pole. Since January 2019, two IceAct telescope demonstrators, featuring 61 silicon photomultiplier (SiPM) pixels have been taking data in the center of the IceTop surface array during the austral winter. We present the first analysis of hybrid cosmic ray events detected by the IceAct imaging air-Cherenkov telescopes in coincidence with the IceCube Neutrino Observatory, including the IceTop surface array and the IceCube in-ice array. By featuring an energy threshold of about 10 TeV and a wide field-of-view, the IceAct telescopes show promising capabilities of improving current cosmic ray composition studies: measuring the Cherenkov light emissions in the atmosphere adds new information about the shower development not accessible with the current detectors, enabling significantly better primary particle type discrimination on a statistical basis. The hybrid measurement also allows for detailed feasibility studies of detector cross-calibration and of cosmic ray veto capabilities for neutrino analyses. We present the performance of the telescopes, the results from the analysis of two years of data, and an outlook of a hybrid simulation for a future telescope array

    Observation of Cosmic Ray Anisotropy with Nine Years of IceCube Data

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    Studies of a muon-based mass sensitive parameter for the IceTop surface array

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    Measuring the Neutrino Cross Section Using 8 years of Upgoing Muon Neutrinos Observed with IceCube

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    The IceCube Neutrino Observatory detects neutrinos at energies orders of magnitude higher than those available to current accelerators. Above 40 TeV, neutrinos traveling through the Earth will be absorbed as they interact via charged current interactions with nuclei, creating a deficit of Earth-crossing neutrinos detected at IceCube. The previous published results showed the cross section to be consistent with Standard Model predictions for 1 year of IceCube data. We present a new analysis that uses 8 years of IceCube data to fit the νμ_{μ} absorption in the Earth, with statistics an order of magnitude better than previous analyses, and with an improved treatment of systematic uncertainties. It will measure the cross section in three energy bins that span the range 1 TeV to 100 PeV. We will present Monte Carlo studies that demonstrate its sensitivity

    Searching for time-dependent high-energy neutrino emission from X-ray binaries with IceCube

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    A time-independent search for neutrinos from galaxy clusters with IceCube

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    Completing Aganta Kairos: Capturing Metaphysical Time on the Seventh Continent

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    The Acoustic Module for the IceCube Upgrade

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    A Combined Fit of the Diffuse Neutrino Spectrum using IceCube Muon Tracks and Cascades

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