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23 results on '"Atkinson, Mack"'

1. Heavy Neutrino searches through Double-Bang Events at Super-Kamiokande, DUNE, and Hyper-Kamiokande

Author

Atkinson, Mack, Coloma, Pilar, Martinez-Soler, Ivan, Rocco, Noemi, and Shoemaker, Ian M.

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract

A variety of new physics scenarios allow for neutrinos to up-scatter into a heavy neutral lepton state. For a range of couplings and neutrino energies, the heavy neutrino may travel some distance before decaying to visible final states. When both the up-scattering and decay occur within the detector volume, these "double bang" events produce distinctive phenomenology with very low background. In this work, we first consider the current sensitivity at Super-Kamiokande via the atmospheric neutrino flux, and find current data may already provide new constraints. We then examine projected future sensitivity at DUNE and Hyper-Kamiokande, including both atmospheric and beam flux contributions to double-bang signals., Comment: 17 pages, 6 figures. v2: minor changes, references added and typos fixed. Matches version accepted for publication in JHEP

Published
2021
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19. Heavy neutrino searches through double-bang events at Super-Kamiokande, DUNE, and Hyper-Kamiokande

Author

Atkinson, Mack, Coloma, Pilar, Martinez-Soler, Ivan, Rocco, Noemi, and Shoemaker, Ian M.

Subjects
High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, Nuclear and High Energy Physics, High Energy Physics - Phenomenology (hep-ph), Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, FOS: Physical sciences, High Energy Physics::Experiment, High Energy Physics - Experiment
Abstract

A variety of new physics scenarios allow for neutrinos to up-scatter into a heavy neutral lepton state. For a range of couplings and neutrino energies, the heavy neutrino may travel some distance before decaying to visible final states. When both the up-scattering and decay occur within the detector volume, these "double bang" events produce distinctive phenomenology with very low background. In this work, we first consider the current sensitivity at Super-Kamiokande via the atmospheric neutrino flux, and find current data may already provide new constraints. We then examine projected future sensitivity at DUNE and Hyper-Kamiokande, including both atmospheric and beam flux contributions to double-bang signals., 17 pages, 6 figures. v2: minor changes, references added and typos fixed. Matches version accepted for publication in JHEP

Published
2022
Full Text
View/download PDF

21. The Continuous Open Width Washing of Woven Fabric.

Author

Atkinson, Mack E.

Subjects
TEXTILES, DYES & dyeing, ENERGY consumption, COLOR, PIGMENTS, WEAVING
Abstract

Continuous open width washing consumes approximately one-half of all energy in the typical continuous dyeing and finishing plant. Estimates of energy waste due to less than ideal operating conditions range from 20 to 50%. Modifications of existing wash boxes could achieve large energy savings in many plants. Replacement of obsolete boxes with new boxes would, of course, show major reductions in energy consumption. [ABSTRACT FROM AUTHOR]

Published
1991

22. Continuous Open Width Washing of Woven Fabrics.

Author

Atkinson, Mack E.

Subjects
ENERGY consumption, DYES & dyeing, TEXTURED woven textiles, STRETCH woven textiles, ENERGY management, CONTINUOUS processing, LAUNDRY, TEMPERATURE measurements, CHARTS, diagrams, etc.
Abstract

Continuous open width washing consumes about half of all energy in the typical continuous dyeing and finishing plant. Estimates of energy waste due to less than ideal operating conditions range from 20 to 50%. Modifications of existing wash boxes could achieve significant energy savings in many plants. Replacement of obsolete boxes would produce major reductions in energy consumption. [ABSTRACT FROM AUTHOR]

Published
1992

23. Continuous Open Width Washing of Woven Fabrics.

Author

Atkinson, Mack E.

Subjects
TEXTURED woven textiles, LAUNDRY, DYES & dyeing, ENERGY consumption, BOXES, ENERGY conservation, FACTORIES
Abstract

Continuous open width washing consumes about half of all energy in the typical continuous dyeing and finishing plant. Estimates of energy waste due to less than ideal operating conditions range from 20 to 50%, Modifications of existing wash boxes could achieve significant energy savings in many plants. Replacement of obsolete boxes would produce major reductions in energy consumption. [ABSTRACT FROM AUTHOR]

Published
1991

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