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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 33 for “"proton energy"”.
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Proton-Alpha-Particle Scattering at a Proton Energy of 5.8 Mev
Made available in DSpace on 2015-05-12T17:11:48Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0009031.PDF: 3323305 bytes, checksum: d9e2afc1c8b181cc5a6408297274a470 (MD5) Previous issue date: 1952
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Assessment of Uncertainty In Planning and Dose Delivery of Proton Therapy In An Iroc- Houston Qa Phantom Due to Variable Ct Technique and Proton Energy
<p>As proton therapy increases in popularity, so does the need for effective quality assurance. Proton therapy institutions participating in NCI funded clinical trials rely heavily on the credentialing and auditing services of IROC-H and therefore the process must be well understood. The purpose of …
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Evaluation of the performance of coherent optical communications commercial DSP ASICs in low earth orbit radiation environments
… (SRIM) program are used to simulate 64.0 MeV protons penetrating through the system. The SRIM simulations are used to calculate the proton energy levels entering the silicon active region of the CL2001OA1 and to determine the proton energy level sufficient for depositing ionizing dose in the …
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A Theoretical Model for Calculation of Molecular Stopping Power
… and He gas was calculated for incident proton energy ranging from 100 KeV to 2.5 MeV. The stopping power of O<sub>2</sub>, N<sub>2</sub> and water vapor was also calculated for incident proton energy ranging from 40 keV to 2.5 MeV. Good agreement with experimental data was obtained.</p> …
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Charged-particle tracking for neutron-deuteron breakup
… software has been developed to measure the energy of protons scattered in the breakup process d(n, np)n. The nd breakup experiment is performed at the Weapons Neutron Research facilities at Los Alamos Neutron Science Center. In order to fully define breakup kinematics for the stationary …
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Intra-pulse dynamics of laser-driven ion acceleration in ultra-thin foils
… explores the spatial-intensity profile of the proton beam accelerated from thin (tens of nanometre) aluminium targets.The beam of accelerated protons displayed a variety of features, including a low-energy annular profile, a high energy component with a small divergence and Rayleigh-Taylor-like …
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Polarization in the elastic scattering of protons from carbon and nitrogen
"The polarization of protons elastically scattered from nitrogen and carbon has been measured using double scattering techniques 0 The polarization was determined for nitrogen at a scattering angle of 48°c .mo in the proton energy interval 7.6 to 11.8 MeV. The polarization from carbon '~as …
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Silicon detector testing for neutron beta decay experiment nab
… Manitoba 2 mass spectrometer to operate as a low energy proton source to use as a detector test facility for low energy protons. The full Nab detector apparatus was installed and tested at the University of Manitoba in early 2021. The subject of this thesis is the preparation of the Manitoba 2 …
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Radiative proton capture to second harmonic giant dipole states in ¹³N
… have been measured for the radiative proton capture reaction ¹²C(p,ϒ)¹³N at beam energies from 40 to 54 MeV. Measurements were made with the new, large anticoincidence-shielded spectrometer HA GAR at angles from 30° to 150° to the beam direction. Differential and total cross-sections …
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Alpha decay of excited states of carbon-12
… analysis of the data has yielded alpha-particle energy spectra over a wide energy range. A counter has been assembled to detect neutrons scattered by carbon nuclei in the crystal, and the measurements repeated in coincidence with these neutrons. The energy range of particle resolving power has …
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Analytical application of proton-induced prompt photon specrometry
… emitted tinder bombardment with 3.5 to 6.0MeV protons from the 77 stable non-gaseous elements were evaluated for analytical application. The compilation included the yields of about 2200 gamma-rays and their detection limit for analysis. Because the data were measured under identical …
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Neutron-deuteron breakup and quasielastic scattering
… time-of-flight scintillators, and scattered protons are detected by two scintillators and a wire chamber. This setup allows for measurement of the incident neutron energy, scattered neutron energy, and scattered proton energy, as well as the scattering angle and position of the scattered …
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generation and transport of high-current relativistic electron beams in high intensity laser-solid interactions
… of a 2D Cu Kα imager and the TNSA-generated proton beam. Analytical models together with a 3D hybrid-PIC code are employed to simulate the beam properties in solids. The effects of the self-generated fields on the fast electron beam transport, the effect of the preplasma density scale length …
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Coincident proton decay of the continuum induced by 200 MeV protons on 12C
Coincident protons from the reaction ¹²C(p,2p) at an incident proton energy of 200 Me V, have been measured using conventional particle telescopes. Data were acquired at nine pairs of angles (θ₂=20°, 45°, 70°, 95°, 120° and 145° for θ₁ =-20°, and θ₂=35°, 85° and 135° for θ₁ =-45°). An improved …
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Proton-Deuteron Elastic Scattering and Three-Nucleon Forces
The spin observables Ay, iT11, and Cy,y in proton-deuteron elastic scattering were measured over the angular range 65° < ϴcm < 115° at a proton energy Tlab = 197 MeV. These data were acquired with a polarized proton beam and an internal vector-polarized deuteron gas target at the Indiana University …
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Increased Proton Energies - Above the ~ 60 MeV Empirical Barrier, from High-Contrast High-Intensity Short-Pulse Laser-Interactions with Micro-Cone Targets
… extreme states of matter and the study of high energy density physics in the laboratory, as well as the creation of various intense radiation sources, i.e. electrons, X-rays, and ions. Of particular interest to this dissertation is the production of ion beams from solid targets. These ion beams …
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Proton -Deuteron Elastic Scattering and Three -Nucleon Forces
The spin observables Ay, iT 11, and Cy,y in proton-deuteron elastic scattering were measured over the angular range 65° < theta cm < 115° at a proton energy Tlab = 197 MeV. These data were acquired with a polarized proton beam and an internal vector-polarized deuteron gas target at the …
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Use of silicon surface-barrier detectors for neutron detection
… of producing a neutron spectrometer using the proton recoil telescope with the surface-barrier detector. These objects were fulfilled. From the results with the protein recoil telescope, there is a possibility of producing a neutron spectrometer using the proton recoil telescope and …
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A coincident measurement of the three-body photodisintegration of helium-3
This experiment measured coincident neutron-proton pairs from the photodisintegration of 3He. The bremsstrahlung photon beam was produced by a 100 MeV electron beam, supplied by the University of Illinois Nuclear Physics Laboratory 100 % duty factor electron microtron. The energy and angle of the …
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A study of Gamow-teller strength using the 208Pb(p,n) and 181Ta(p,n) reactions at intermediate energy, Ep=122 MeV
… and ¹⁸¹Ta(p,n)¹⁸¹W reactions at an incident proton energy of 122 MeV. The experiment was performed using the beam-swinger facility at the National Accelerator Centre, Faure, South Africa. The time-of-flight(TOF) technique was employed with a flight-path of 100 m. Detectors comprised three …
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