نتایج جستجو برای: neutron moderation
تعداد نتایج: 51301 فیلتر نتایج به سال:
Abstract The Applied Nuclear Physics Group at Lund University has constructed a CANS (Compact Accelerator-driven Neutron Source). is based around 3 MV, single-ended, Pelletron accelerator, which used to impinge 2.8 MeV deuterium beam into beryllium target. anticipated neutron production will be on the order of 10 n/s in 4π sr, with future upgrades expected increase 11 n/s. energy up 9 peak emis...
Neutron sensing is critical in civilian and military applications. Conventional neutron sensors are limited by size, weight, cost, portability and helium supply. Here the microfabrication of gadolinium (Gd) conversion material-based heterojunction diodes for detecting thermal neutrons using electrical signals produced by internal conversion electrons (ICEs) is described. Films with negligible s...
Mechanisms for detecting neutrons in matter are based on indirect methods. Neutrons, as their name suggests, are neutral. Also, they do not interact directly with the electrons in matter, as gamma ray$ do. The process of neutron detection begins when neutrons, interacting with various nuclei, initiate the release of one or more charged particles. The electrical signrdsproduced by the charged pa...
The continuous ecological management of the Loess Plateau is known throughout the world for two strategies: the integrated soil conservation project that began in the 1970s, and the “Grain for Green” project that began in the 1990s. Six sub-catchments nested in the Beiluo River basin were selected to investigate streamflow regime variations during the two project periods. The annual streamflow ...
(41)Ca is produced mainly by absorption of low-energy neutrons on stable (40)Ca. We used accelerator mass spectrometry (AMS) to measure (41)Ca in enamel of 16 teeth from 13 atomic bomb survivors who were exposed to the bomb within 1.2 km from the hypocenter in Hiroshima. In our accompanying paper (Wallner et al., Radiat. Res. 174, 000-000, 2010), we reported that the background-corrected (41)Ca...
Boron Neutron Capture Synovectomy (BNCS) has been proposed as a novel application of the o 1 B(n,a) 7Li reaction for the treatment of Rheumatoid Arthritis (RA). RA is an autoimmune disease of the joints characterized by an inflammation of the synovium, the membrane lining the joint capsule. If drug regimes fail, treatment options are surgical synovectomy or radiation synovectomy. BNCS has advan...
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