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Title: Method and apparatus for generating low energy nuclear particles

Abstract

A particle accelerator (12) generates an input particle beam having an initial energy level above a threshold for generating secondary nuclear particles. A thin target (14) is rotated in the path of the input beam for undergoing nuclear reactions to generate the secondary particles and correspondingly decrease energy of the input beam to about the threshold. The target (14) produces low energy secondary particles and is effectively cooled by radiation and conduction. A neutron scatterer (44) and a neutron filter (42) are also used for preferentially degrading the secondary particles into a lower energy range if desired.

Inventors:
 [1];  [2];  [3];  [4]
+ Show Inventor Affiliations
  1. Shoreham, NY
  2. Flushing, NY
  3. Brookhaven, NY
  4. Miller Place, NY
Issue Date:
Research Org.:
Associated Universities, Inc., Upton, NY (United States)
OSTI Identifier:
872146
Patent Number(s):
5870447
Application Number:
08/774,669
Assignee:
Brookhaven Science Associates (Upton, NY)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61N - ELECTROTHERAPY
G - PHYSICS G21 - NUCLEAR PHYSICS G21G - CONVERSION OF CHEMICAL ELEMENTS
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DOE Contract Number:  
AC02-76CH00016
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; generating; energy; nuclear; particles; particle; accelerator; 12; generates; input; beam; initial; level; threshold; secondary; target; 14; rotated; path; undergoing; reactions; generate; correspondingly; decrease; produces; effectively; cooled; radiation; conduction; neutron; scatterer; 44; filter; 42; preferentially; degrading; range; desired; nuclear reactions; input beam; particle accelerator; energy level; particle beam; energy range; nuclear reaction; nuclear particles; secondary particles; initial energy; energy secondary; secondary particle; nuclear particle; particle accelera; /376/

Citation Formats

Powell, James R, Reich, Morris, Ludewig, Hans, and Todosow, Michael. Method and apparatus for generating low energy nuclear particles. United States: N. p., 1999. Web.
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Powell, James R, Reich, Morris, Ludewig, Hans, & Todosow, Michael. Method and apparatus for generating low energy nuclear particles. United States.
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Powell, James R, Reich, Morris, Ludewig, Hans, and Todosow, Michael. Tue . "Method and apparatus for generating low energy nuclear particles". United States. https://www.osti.gov/servlets/purl/872146.
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@article{osti_872146,
title = {Method and apparatus for generating low energy nuclear particles},
author = {Powell, James R and Reich, Morris and Ludewig, Hans and Todosow, Michael},
abstractNote = {A particle accelerator (12) generates an input particle beam having an initial energy level above a threshold for generating secondary nuclear particles. A thin target (14) is rotated in the path of the input beam for undergoing nuclear reactions to generate the secondary particles and correspondingly decrease energy of the input beam to about the threshold. The target (14) produces low energy secondary particles and is effectively cooled by radiation and conduction. A neutron scatterer (44) and a neutron filter (42) are also used for preferentially degrading the secondary particles into a lower energy range if desired.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {2}
}
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Works referenced in this record:

Proton linacs for boron neutron capture therapy
conference, January 1993

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