The D—D Reaction as a Standard Neutron Source
THE first of the two possible D—D reactions has long been used as a source of mono-energetic neutrons. To use it as a standard source of neutrons requires either the counting of all the neutrons, using, for example, a water-tank method, or the counting of the helium-3 particles, which is difficult b...
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| Veröffentlicht in: | Nature 1950-07, Vol.166 (4209), p.28-28 |
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| creator | McNEILL, K. G. THONEMANN, P. C. PRICE, F. V. |
| description | THE first of the two possible D—D reactions
has long been used as a source of mono-energetic neutrons. To use it as a standard source of neutrons requires either the counting of all the neutrons, using, for example, a water-tank method, or the counting of the helium-3 particles, which is difficult because of their very short range. But if, with given conditions, the ratio of the number of helium-3 particles to the number of hydrogen-3 or hydrogen-1 particles from the second reaction is once found, then the neutron flux may afterwards be determined merely by counting the number of hydrogen particles, which is much easier owing to their greater range. |
| doi_str_mv | 10.1038/166028a0 |
| format | Article |
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| ispartof | Nature, 1950-07, Vol.166 (4209), p.28-28 |
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| language | eng |
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| source | MEDLINE; Nature Journals Online; SpringerLink Journals - AutoHoldings |
| subjects | ABSORPTION ALUMINUM DEUTERIUM ENERGY RANGE HELIUM 3 Humanities and Social Sciences Humans HYDROGEN letter MEASURED VALUES multidisciplinary NEUTRON FLUX NEUTRON SOURCES NEUTRONS NUMERICALS Old Medline PHYSICS PROPORTIONAL COUNTERS PROTONS Science Science (multidisciplinary) TRITIUM |
| title | The D—D Reaction as a Standard Neutron Source |
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