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Light-ion Productio...
Light-ion Production in 175 MeV Neutron-induced Reactions on Oxygen
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- Tippawan, Udomrat (author)
- Uppsala universitet,Tillämpad kärnfysik
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Vilaithong, T. (author)
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- Pomp, Stephan (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Andersson, P (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Bevilacqua, Riccardo (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Blomgren, Jan (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Gustavsson, Cecilia (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Nilsson, Leif (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Österlund, Michael (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Simutkin, Vasily (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Sjöstrand, Henrik (author)
- Uppsala universitet,Tillämpad kärnfysik
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Hayashi, M. (author)
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Hirayama, S. (author)
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Naitou, Y. (author)
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Watanabe, Y. (author)
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- Hjalmarsson, Anders (author)
- Uppsala universitet,The Svedberg-laboratoriet
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- Prokofiev, Alexander (author)
- Uppsala universitet,The Svedberg-laboratoriet
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- Tesinsky, Milan (author)
- KTH,Reaktorfysik
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(creator_code:org_t)
- Korean Physical Society, 2011
- 2011
- English.
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In: Journal of the Korean Physical Society. - : Korean Physical Society. - 0374-4884 .- 1976-8524. ; 59:2, s. 1979-1982
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Data on light-ion production in light nuclei such as carbon, nitrogen and oxygen are particularly important in calculations of dose distributions in human tissue for radiation therapy at neutron beams, and for dosimetry of high energy neutrons produced by high-energy cosmic radiation interacting with nuclei (nitrogen and oxygen) in the atmosphere. When studying neutron dose effects, special consideration on carbon and oxygen is needed since they are, by weight, the most abundant elements in human tissue. The MEDLEY setup at The Svedberg Laboratory (TSL), Uppsala, Sweden has been used to measure such data with double-differential cross sections (DDX) for the (n, xp), (n, xd), xt), (n,(3)He), and (n,alpha) reactions from C, 0, Si, Ca, Fe, Pb, and U around 96 MeV. At the new Uppsala neutron beam facility the available energy range of quasi mono-energetic neutron beams is extended up to 175 MeV. The detector setup used in MEDLEY consists of eight so-called telescopes mounted at different angles inside all evacuated reaction chamber. Each of the telescopes consists of two fully depleted Delta E silicon surface barrier detectors (SSBD) and a CsI(Tl) crystal. In order to make measurements at this higher neutron energy possible some changes in the detector setup compared to the campaign at 96 MeV were applied Accordingly, the second Delta E detectors have been replaced by 1000 mu m thick SSBDs as well as the size of the crystals used as E detectors was increased to a total length of 100 mm and a diameter of 50 mm. The Delta E - E technique is used to identify the light ions, and cutoff energies as low as 2.5 MeV for protons and 4.0 MeV for alpha particles are achieved. The data are normalised relative to elastic up scattering measured in one of the telescopes at 20 degrees. Preliminary DDXs for oxygen are presented and compared with theoretical calculations.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Double-differential cross sections
- Light-ion production
- 175 MeV
- Physics
- Fysik
- Fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Tippawan, Udomra ...
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Vilaithong, T.
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Pomp, Stephan
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Andersson, P
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Bevilacqua, Ricc ...
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Blomgren, Jan
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Gustavsson, Ceci ...
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Nilsson, Leif
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Österlund, Micha ...
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Simutkin, Vasily
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Sjöstrand, Henri ...
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Hayashi, M.
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Hirayama, S.
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Naitou, Y.
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Watanabe, Y.
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Hjalmarsson, And ...
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Prokofiev, Alexa ...
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Tesinsky, Milan
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Journal of the K ...
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Uppsala University
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Royal Institute of Technology