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Showing 1 to 20 of 355 for “"Neutrons"”.
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High-intensity laser generated neutrons
Hochintensitätslaser erzeugen im Fokus Lichtintensitäten, deren Feldstärke die rapide Beschleunigung vieler Elektronen und über die dadurch hervorgerufenen quasistatischen Felder die Beschleunigung von Ionen auslöst. Durch verschiedene Kernreaktionen (z.B. Fusion) dieser Ionen können Neutronen …
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Photographic detector for thermal neutrons
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1961.
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Dimuon Production by High-Energy Neutrons
Made available in DSpace on 2015-05-13T15:22:05Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7709101.PDF: 1551247 bytes, checksum: 2c9b1ef5bf166c7ff6dbcbd999114da3 (MD5) Previous issue date: 1976
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Dimuon production by high energy neutrons
… Laboratory, the dimuon production by high energy neutrons has been measured for incident neutron energies of approximately 250 and 320 GeV. The mass spectra show clear peaks in the rho-omega mass region and at the J /psi mass. Cross sections and longitudinal and transverse momenta distributions …
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Simulated liquid argon interactions with neutrons
… Elastic and inelastic collisions between neutrons and argon nuclei as well as neutron captures were simulated independently in order to characterize the accuracy of the implementation by GEANT4.9.3.pOl and GEANT4.9.5. The effective cross sections, angular distributions, photons, decay …
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Interactions of neutrons with silicon CCD chips
… camera, I set up an experiment in which outside neutrons are shielded with layers of plastic material and x-rays are suppressed with lead bricks surrounding the camera. Cosmic muons create particle showers that can also interact with the CCD chip so I build an active shield using a pair of …
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Magnetic scattering of neutrons by hexagonal cobalt
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 1963
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The Transmission of Neutrons in Boron Carbide Spheres
Made available in DSpace on 2017-07-06T18:56:17Z (GMT). No. of bitstreams: 3 Shaban_Yasser_R_MS.pdf: 38862818 bytes, checksum: 9247f708e35d8b79fb4c8937914af4af (MD5) Shaban_Yasser_R_MS_ABS.pdf: 520862 bytes, checksum: 25257165f92de5f7e5c3da7861dba74b (MD5) license.txt: 4813 bytes, checksum: …
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Production of charm mesons by high energy neutrons
"The charmed mesons D""'±, DO, and D; have been observed in neutron-nucleus collisions at the FNAL Tevatron. A sample of 134 ± 19 events was investigated in the decay D""'±-+ D°1r± with the subsequent decay mode D°-+ K+ K-. The cross section per nucleon for D""'±, at most probable energy ...;s = 35 …
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Prompt neutrons from fission of 252Cf and 235U
… been made of the n-n angular correlation for neutrons emitted in spontaneous fission of ²⁵²Cf and thermal-neutron- induced fission of ²³⁵U. The dependence of the angular correlation on the neutron detection threshold energy was investigated. These measurements and other experimental data on …
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Energy correlations of prompt neutrons from 252Cf fission
… energy correlations for coincident neutrons emitted in the spontaneous fission of ²⁵²Cf. The hypothesis that cooling of the fission fragments during the cascade evaporation of prompt neutrons affects the energies of successive neutrons in a cascade has been investigated by a …
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Cross sections of nuclei for 1.4 BeV neutrons
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1954.
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Three-dimensional magnetic domain imaging with polarized neutrons
… neutron imaging and tomography. Polarized neutrons are advantageous for studying internal magnetic structure because they penetrate materials, and their spin-polarizations are sensitive to magnetic fields. This study experimentally tested the depolarization of neutrons in five different …
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Dielectric liquid ionization chambers for detecting fast neutrons
… with dielectric liquids for detection of fast neutrons. The three dielectric liquids studied were Tetramethylsilane (TMS), Tetramethylpentane (TMP), and Isooctane, which each have intrinsic properties that make them attractive for fast neutron detection. Their electronic properties are similar …
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Polarization of D(d,n)He³ reaction neutrons
The state of polarization of neutrons emitted at an angle of 45° (Lab) from the D(d,n)He³ reaction has been determined by observing the asymmetry in scattering from carbon. Neutrons scattered at equal angles to the right and left were detected simultaneously by two cylindrical stilbene crystals, …
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TRINIDY: Transport of Ions and Neutrons in Dynamic Materials
This work is comprised of essentially three sections. First, there is a detailed technical description of the science behind TRINIDY. Secondly there will be a complete write-up of the validation and verification work done during the development of TRINIDY. Lastly, a series of practical …
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The Polarization of Neutrons From The Photodisintegration of Deuterium
Made available in DSpace on 2015-05-12T17:03:39Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6206134.PDF: 7042422 bytes, checksum: b0f372c379171b61fd42c6f57334f138 (MD5) Previous issue date: 1962
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Spectroscopic radiography with monoenergetic neutrons for homeland security applications
… system which uses the spectral analysis of fast neutrons generated in the 11B(d,n[gamma])12C reaction. Neutron radiography in current use systems employs a total count analysis to reconstruct hydrogenous content in scanned cargoes. This research presents a technique which leverages the large …
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