نتایج جستجو برای: be neutron source
تعداد نتایج: 4518067 فیلتر نتایج به سال:
A recent paper [Phys. Rev. C 83, 057304 (2011)] used knockout from 12Be to populate two states near 3.9 MeV in 11Be and observed their neutron decay—but treated the two as a single state. The authors used a branching ratio for the upper state from an experiment that also did not separate the two states. Thus, their energy for 11Be(3.96 MeV) and the spectroscopic factor connecting it to 12Be(gs)...
A new high-flux spallation neutron source, the neutron Time-Of-Flight facility (nTOF), recently became operational at CERN. The neutron energy ranges from the thermal to the GeV range. Performance results from the commissioning are reported.
Background: Boron neutron capture therapy (BNCT) is a radiotherapy that combines biological targeting and high linear energy transfer. A potential therapeutic approach for non-small cell lung cancer (NSCLC) is considered. However, dose in lung tumor is not homogeneous, and it will reduce the effect of BNCT treatment. In order to improve the dose distribution of BNCT, the multi-field irradiation...
W. A. Peters,1,2,3,* T. Baumann,3 B. A. Brown,2,3 J. Brown,4 P. A. DeYoung,5 J. E. Finck,6 N. Frank,2,3,† K. L. Jones,1,‡ J.-L. Lecouey,3,§ B. Luther,7 G. F. Peaslee,5 W. F. Rogers,8 A. Schiller,3,‖ M. Thoennessen,2,3 J. A. Tostevin,9 and K. Yoneda3,¶ 1Department of Physics and Astronomy, Rutgers, State University of New Jersey, Piscataway, New Jersey 08854, USA 2Department of Physics & Astrono...
Plasma experiments conducted on the PF-1000 device generate the release of neutrons and ionizing radiation that are the source of immediate exposure to personnel. Neutron activation of materials in the research device and the surroundings is a source of ongoing radiation exposure to the same personnel. Having reported on personnel exposure from ionizing radiation and neutron activation, we now ...
I discuss the nature of the compact X-ray source inside the supernova remnant RCW 103. Several models, based on the accretion onto a compact object such as a neutron star or a black hole (isolated or binary), are analyzed. I show that it is more likely that the X-ray source is an accreting neutron star than an accreting black hole. I also argue that models of a binary system with an old accreti...
W. A. Peters,1,2,* T. Baumann,2 B. A. Brown,1,2 J. Brown,3 P. A. DeYoung,4 J. E. Finck,5 N. Frank,1,2,† K. L. Jones,6,‡ J.-L. Lecouey,2,§ B. Luther,7 G. F. Peaslee,4 W. F. Rogers,8 M. Thoennessen,1,2 and J. A. Tostevin9 1Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA 2National Superconducting Cyclotron Laboratory, Michigan State University, Eas...
چکیده ندارد.
The Low Energy Neutron Source (LENS) is based on Be(p,xn) reactions at proton energy up to 13 MeV. Its novel design employs a cylindrical light water reflector/moderator surrounding the Be target primary neutron source and a solid CH4 cold neutron moderator downstream from the Be target that is coupled to the reflector. The design of the Target/Moderator/Reflector (TMR) assembly was optimized w...
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