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Articles 2941 - 2944 of 2944
Full-Text Articles in Astrophysics and Astronomy
A Nuclear Magnetic Resonance Absorption Experiment, Richard Runge
A Nuclear Magnetic Resonance Absorption Experiment, Richard Runge
Physics & Astronomy ETDs
In nuclear magnetic resonance absorption work, the detection of the absorption of energy by protons situated in a steady strong magnetic field and subject to a weak radiofrequency (RF) magnetic field is attempted. The protons are present in a sample placed inside an RF coil. A radiofrequency current, present in this coil, produces a rapidly oscillating magnetic field which is capable of supplying energy to the system of protons in the steady strong magnetic field. This absorption of energy by the protons alters their relative numerical distribution among the energy levels available to them.
A Study Of Variations In Cosmic Ray Intensity Due To The Shifting Of Isobaric Layers In The Stratosphere, Frederick Herbert Martens
A Study Of Variations In Cosmic Ray Intensity Due To The Shifting Of Isobaric Layers In The Stratosphere, Frederick Herbert Martens
Physics & Astronomy ETDs
This investigation is an attempt to correlate variations in cosmic ray intensity with shifts of the isobaric layers in the stratosphere on the basis of the change in path length traveled by radioactive mesotrans, and in consideration of ordinary mass absorption of the air along the path.
Some Contributions Of Pure Math To Science, Herbert B.E. Case
Some Contributions Of Pure Math To Science, Herbert B.E. Case
Student and Lippitt Prize Essays
An examination of the connection between math and science through discoveries in the subjects of astronomy, mechanics, physics and chemistry.
Studying Properties Of Xenon Doped Argon And Developing Optical Simulation Techniques For The Legend Collaboration, A Neutrinoless Double Beta Decay Experiment, Neil Christopher Mcfadden Dr
Studying Properties Of Xenon Doped Argon And Developing Optical Simulation Techniques For The Legend Collaboration, A Neutrinoless Double Beta Decay Experiment, Neil Christopher Mcfadden Dr
Physics & Astronomy ETDs
Neutrinoless double beta decay is a hypothesized lepton-number-violating process in which two neutrons decay to two protons, producing two electrons but no electron antineutrinos. The LEGEND collaboration will search for this decay in 76Ge. To improve the argon active veto for LEGEND-1000, xenon doped argon was explored as an alternative active volume. Simulations using argon doped with 10 ppm xenon and pure liquid argon were used to predict the light yield from cosmic muons in a 100 liter cryogenic vessel. The simulations predicted that xenon doping would yield 1.83+/-0.02 more light, while an increase of 1.81+/-0.05 was measured. From …