34 resultados para Scintillation counters


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This search contains 64 references. Citations are included to both report literature and to articles appearing in scientific journals. Reports are listed alphanumerically under the issuing agency.

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Mode of access: Internet.

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"Contract No. AT-(40-1)-2513."

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"LADC 148"

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The measurement of 28O-Mev neutron cross sections of various nuclei is described. The neutron beam used results from 340-Mev protons in the 184-in. cyclotron striking a 2-in. Be target. The neutron detector consists of a double coincidence anthracene scintillation counter telescope which counts recoil protons scattered at 15 deg from a paraffin cylinder placed in the collimated neutron beam. A 2-in. Cu absorber placed between the counters assures that only protons of energy greater than 250 Mev are counted. The cross sections for all nuclei measured from Li to Pb are smaller than the corresponding cross sections measured at 90 Mev by factors between 0.5 and 0.6.

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Mode of access: Internet.

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"Task No. 4 ; Contract No. AT-(40-1)-2513"--Added title page.

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"July 1960."

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"December 6, 1960."

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Included are 464 selected references on the theory, manufacture, properties, performance, and utliization of semiconductor materials for the detection of nuclear radiation. Reports and open literature references are covered through January 1962.

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This bibliography contains 335 selected references on detection and measurement of radiation from isotopes when used in physical and biological research. These references were selected from scientific journals published during 1948-1957. A list of journals from which the references were selected and an author index are included.